swyx's site RSS Feed
Supervised Learning: Instance-based Learning and K-Nearest Neighbors
Regression isn't the only way. What if we were far, far... lazier about it?
over a year ago
Regression isn't the only way. What if we were far, far... lazier about it?
PostHog's RSS Feed
The secrets of PostHog query performance
We want PostHog to become the first choice for product analytics at any scale. To do that, users...
over a year ago
We want PostHog to become the first choice for product analytics at any scale. To do that, users should have a smooth experience exploring their…
blag
PSA: Most databases do not do checksums by default
Most databases don’t do checksums by default. Disk corruptions go silently unnoticed.
a month ago
Most databases don’t do checksums by default. Disk corruptions go silently unnoticed.
Joel Gascoigne
How to name your startup
* Tweet [https://twitter.com/share]
*
* Buffer [http://bufferapp.com/add]
*
Choosing a name...
over a year ago
* Tweet [https://twitter.com/share]
*
* Buffer [http://bufferapp.com/add]
*
Choosing a name is one of the parts of a startup I find the most difficult. It’s
also something you can easily get hung up on. We all know that the key thing is
to move on to actually
ntietz.com blog
The bittersweet end of a year of independence
Just over a year ago, I left the startup I was working for and started my own business. My intention...
over a year ago
Just over a year ago, I left the startup I was working for and started my own business. My intention was to do freelance work ("consulting", to all my clients) until I was able to launch my first product, and then shift into being a product company. My ambitions and confidence...
Jim Nielsen’s Blog
Prototyping Magic Tricks and Software
In Penn & Teller’s Masterclass (no. 12 “Principles of Performing”) they explain how one of their...
2 months ago
In Penn & Teller’s Masterclass (no. 12 “Principles of Performing”) they explain how one of their favorite ways to design a magic trick is to come up with an idea and then act it out as if they already know how to do it. Here’s Penn:
We still start with an idea for a trick, how we...
Vadim Kravcenko
Stand Out and Dare to Disagree
Question:
Answer:
The post Stand Out and Dare to Disagree appeared first on Vadim Kravcenko.
7 months ago
Question:
Answer:
The post Stand Out and Dare to Disagree appeared first on Vadim Kravcenko.
Josh Comeau's blog
The Front-End Developer's Guide to the Terminal
If you want to learn a modern JavaScript framework like React or Angular, you better be familiar...
over a year ago
If you want to learn a modern JavaScript framework like React or Angular, you better be familiar with the terminal! So many frameworks and tools assume that you're proficient with it, without ever explaining it. This blog post is your missing manual, covering all of the most...
PostHog's RSS Feed
Introducing Notebooks for PostHog
Today we’ve released a major change, dubbed PostHog 3000, which updates the look and feel of PostHog...
a year ago
Today we’ve released a major change, dubbed PostHog 3000, which updates the look and feel of PostHog dramatically. You can read all about what’s…
Words and Buttons...
Challenge your performance intuition with C++ sine
One more interactive quiz. This time, it's all about the sine function. Which one is faster and...
over a year ago
One more interactive quiz. This time, it's all about the sine function. Which one is faster and when?
Making software...
Running VSCode in Chromium on OpenBSD
Running VSCode in Chromium on OpenBSD
2023-06-05
VSCode and its many variations are not available on...
a year ago
Running VSCode in Chromium on OpenBSD
2023-06-05
VSCode and its many variations are not available on OpenBSD. This doesn't cause issue with many OpenBSD users, but those making the jump from Linux might miss access to such a popular editor. Lucky for us, there is a hacky...
swyx's site RSS Feed
Unsupervised Learning: Clustering
Single Linkage, K-Means, Soft Clustering, and Kleinberg Impossibility
over a year ago
Single Linkage, K-Means, Soft Clustering, and Kleinberg Impossibility
Darek Kay
Separate Firefox Dark UI theme from website dark mode
I like the default dark color theme in Firefox, but I prefer to view websites in light mode. This...
over a year ago
I like the default dark color theme in Firefox, but I prefer to view websites in light mode. This distinction has been working until recently, but with Firefox 95, the browser dark theme will enforce dark mode on websites as well. This sounds like a good default, but I want to...
swyx's site RSS Feed
Donating $10k to FreeCodeCamp
I benefited from FreeCodeCamp and would like to give back
over a year ago
I benefited from FreeCodeCamp and would like to give back
Making software...
Installing Ruby with RVM on Alpine Linux
Installing Ruby with RVM on Alpine Linux
2023-03-16
For some on-going projects I need to switch to...
a year ago
Installing Ruby with RVM on Alpine Linux
2023-03-16
For some on-going projects I need to switch to different versions of ruby. Although there exist many step-by-step instructions on installing and configuring rvm for most Linux distros, there aren't many focused on Alpine "daily...
Irrational...
Rough notes on learning Wardley Mapping.
In my ongoing efforts to draft a book on engineering strategy,
I’ve finally reached the point where...
3 weeks ago
In my ongoing efforts to draft a book on engineering strategy,
I’ve finally reached the point where I need to transition “Wardley Mapping” from a topic to
consider including into a topic that I either do or do not include.
The first step on that line is getting much deeper at...
PostHog's RSS Feed
Array 1.26.0
PostHog 1.26.0 is here! Read about our Series B raise, our new features, and find out who are the 4...
over a year ago
PostHog 1.26.0 is here! Read about our Series B raise, our new features, and find out who are the 4 new team members we've onboarded.
David Heinemeier...
We are a place of business
After the disastrous launch of their Gemini AI, which insisted that George Washington was actually...
8 months ago
After the disastrous launch of their Gemini AI, which insisted that George Washington was actually Black and couldn't decide whether Musk's tweets or Hitler was worse, Google's response was timid and weak. This was just a bug! A problem with QA! It absolutely, positively wasn't a...
alexwlchan
Tag your infrastructure-as-code resources with a link to their definitions
The aspiration of infrastructure-as-code tools is that you use them to manage everything.
You create...
a year ago
The aspiration of infrastructure-as-code tools is that you use them to manage everything.
You create all your resources by writing a file that defines them, and any time you change something, you update the definition in that file.
It’s a nice idea, but easier said than...
Ink & Switch
05 · Edit groups
“Formality on demand” allows writers to choose the level of structure they want in their...
9 months ago
“Formality on demand” allows writers to choose the level of structure they want in their collaboration, and avoid needless ceremony.
A Beautiful Site
Find a name for almost any hex color
Have you ever wondered what color that certain shade of blue is? Or maybe you've named your...
over a year ago
Have you ever wondered what color that certain shade of blue is? Or maybe you've named your Less/Sass variables something like gray, light gray, lighter gray, etc. Here's a tool that will give you more reasonable names for all those colors.
Name that Color lets you enter a hex...
bunnie's blog
Winner, Name that Ware April 2024
Last month’s ware was a “Z16 AI Voice Translator”. The name doesn’t really tell you much, so here’s...
6 months ago
Last month’s ware was a “Z16 AI Voice Translator”. The name doesn’t really tell you much, so here’s some photos that give a better idea of what the device is about. Above are the main parts of the device. The construction is simple and straightforward: big battery, screen with...
Charles Chen
C# Discriminated Unions and .NET Channels
For parallel processing of records, C# discriminated unions and .NET System.Threading.Channels make...
5 months ago
For parallel processing of records, C# discriminated unions and .NET System.Threading.Channels make it easy.
Irrational...
Using cultural survey data.
When I was at Stripe, I reworked the hiring process for Director-plus engineering managers.
My goal...
a year ago
When I was at Stripe, I reworked the hiring process for Director-plus engineering managers.
My goal was to better evaluate polished senior leaders who always said the right thing.
I wanted to find the real beliefs and behaviors underneath all the polish.
One interview focused on...
Nelson's Weblog
The Sandbaggers
I just finished an extraordinary late-70s TV show, The
Sandbaggers. It’s British spy TV. While the...
a year ago
I just finished an extraordinary late-70s TV show, The
Sandbaggers. It’s British spy TV. While the show name-checks
James Bond frequently the soul of it is more of a Le
Carré thing. Intelligence as a series of dismal political battles
between underpaid civil servants at the home...
ntietz.com blog
Getting buy-in to get things done
When you are working in any sort of leadership role, you'll have to get people to work toward...
7 months ago
When you are working in any sort of leadership role, you'll have to get people to work toward initiatives that you're leading or make changes you're proposing.
Whether you're a line manager running a team day-to-day, or a principal engineer pushing technical initiatives forward,...
Vadim Kravcenko
Aging Code
In a quaint bar on the outskirts of Catania (Italy), as whiskey glasses clinked and muted...
a year ago
In a quaint bar on the outskirts of Catania (Italy), as whiskey glasses clinked and muted conversations blended into a […]
The post Aging Code appeared first on Vadim Kravcenko.
somenice
Whistler High Note Trail
Gorgeous clear day around the back of Whistler Mountain yesterday. Hiked the High Note Trail...
over a year ago
Gorgeous clear day around the back of Whistler Mountain yesterday. Hiked the High Note Trail backwards from Harmony Lake Loop up to the Peak chair.
swyx's site RSS Feed
Write My Code For Me
_My thoughts to self while weighing adding `netlify functions:create` to Netlify Dev. [Originally a...
over a year ago
_My thoughts to self while weighing adding `netlify functions:create` to Netlify Dev. [Originally a gist](https://gist.github.com/sw-yx/6f97b9d7f3efbfad4c8e5b8a14b5bd27)_
charity.wtf
Questionable Advice: “How can I drive change and influence teams…without power?”
Last month I got to attend GOTO Chicago and give a talk about continuous deployment and...
a year ago
Last month I got to attend GOTO Chicago and give a talk about continuous deployment and high-performing teams. Honestly I did a terrible job, and I’m not being modest. I had just rolled off a delayed redeye flight; I realized partway through that I had the wrong slides loaded,...
Joel Gascoigne
Enjoying the moment
* Tweet [https://twitter.com/share]
*
* Buffer [http://bufferapp.com/add]
*
When I look back...
over a year ago
* Tweet [https://twitter.com/share]
*
* Buffer [http://bufferapp.com/add]
*
When I look back on the times I’ve done the most productive work on my startup
[http://bufferapp.com], it has always been when I’ve had a great balance of
work
and rest...
swyx's site RSS Feed
The introduction to TypeScript Generics you've been missing
> Note: this is an unfinished draft, but I'm sharing it anyway as an outline
over a year ago
> Note: this is an unfinished draft, but I'm sharing it anyway as an outline
Neil Panchal
Berkeley Mono December Update
It's been a while since I had announced the release of Berkeley Mono. The more I examine it under...
over a year ago
It's been a while since I had announced the release of Berkeley Mono. The more I examine it under scrutinous eyes, the more I find that there is more work to be done. At one point, I had the following masters going through the final tuning:
Berkeley Mono
David Heinemeier...
Our cloud exit has already yielded $1m/year in savings
Getting our applications out of the cloud provided the main celebration for our exit, but seeing the...
a year ago
Getting our applications out of the cloud provided the main celebration for our exit, but seeing the actual spend tumble is the prize. See, the only way to get pricing in the cloud down from obscene to merely offensive is through reserved instances. This is where you sign up for...
A Smart Bear
Fermi ROI: Fixing the ROI rubric
“Maximum value in minimum time.” Sounds good in theory, but traditional rubrics surreptitiously fail...
over a year ago
“Maximum value in minimum time.” Sounds good in theory, but traditional rubrics surreptitiously fail to produce the best answers, and fail to create explanations that help others understand why they’re the best answers. This system works.
Remains of the Day
My Favorite Movies of 2021
A second year of the pandemic passed in which I didn’t attend any film festivals in person. I miss...
over a year ago
A second year of the pandemic passed in which I didn’t attend any film festivals in person. I miss it. My viewing output of is lower than usual but still much much higher than that of the median filmgoer.
Film is one category of media in which human recommendations still feel...
A Smart Bear
Metrics that cannot even be measured in retrospect
Some of the most enticing, important metrics are impossible to measure, even after the fact. Here's...
a year ago
Some of the most enticing, important metrics are impossible to measure, even after the fact. Here's now to identify and avoid this trap.
Jim Nielsen’s Blog
Site Search in Arc Browser — For Your Own Site
Arc just released site search built right into the browser.
Want to search for something...
a year ago
Arc just released site search built right into the browser.
Want to search for something specifically on Twitter? Pull up the search bar and start typing Twitter:
Select the site search option and hit Tab. This puts you into what I’ll call “site search mode”:
Once you enter...
Liz Denys
Bauhaus spoon rest, 2024
Bauhaus design / negative space / boundaries that are clear on paper
6 months ago
Bauhaus design / negative space / boundaries that are clear on paper
Irrational...
Executive translation.
One of my most unexpectedly controversial posts
is Extract the Kernel, which argues
that executives...
3 months ago
One of my most unexpectedly controversial posts
is Extract the Kernel, which argues
that executives are generally directionally correct but specifically wrong,
and it’s your job to understand the overarching direction without getting
distracted by the narrow errors in their...
Cognitive...
My Own AI Server Cluster
When a16z generously sponsored Dolphin, I had some compute budget, and because the original...
a year ago
When a16z generously sponsored Dolphin, I had some compute budget, and because the original dolphin-13b was a flop, I had some time to go back to the drawing board. When I was ready to train the next iteration, I reconsidered whether to rent or buy the compute for the build. I...
somenice
Mammoth Mountain Logo
Ooof. Hard to believe this would have passed all the checks and balances to get appropriated...
a year ago
Ooof. Hard to believe this would have passed all the checks and balances to get appropriated approved. It’s not a stretch to say that a California ski resort has naively combined two M’s to form a crown but to outright copy a symbol used repeatedly by one of the highest selling...
HTMHell
The hidden attribute in HTML
by Ahmad El-Alfy
The hidden attribute allows us to hide HTML elements from the page. When it was...
a year ago
by Ahmad El-Alfy
The hidden attribute allows us to hide HTML elements from the page. When it was introduced, it worked in a very simple way: it set the CSS display property to none.
Many people voiced concerns because here we are, mixing styles with markup again. To be fair, this...
alexwlchan
A script to verify my Netlify redirects
I’ve changed the URL design on this website a couple of times.
The current structure seems to be...
a month ago
I’ve changed the URL design on this website a couple of times.
The current structure seems to be working fairly well, but I made some dubious decisions when I started out that really didn’t scale.
(Like having a single folder for all of my /images/ – of which there are now over...
Kagi Blog
Kagi search features
*New* : More features in our Dec 22 update ( https://blog.kagi.com/kagi-search-dec22-update ) and...
over a year ago
*New* : More features in our Dec 22 update ( https://blog.kagi.com/kagi-search-dec22-update ) and May 23 update ( https://blog.kagi.com/search-enhancements ).
Stephen Wolfram...
The Story Continues: Announcing Version 14 of Wolfram Language and Mathematica
Version 14.0 of Wolfram Language and Mathematica is available immediately both on the desktop and in...
11 months ago
Version 14.0 of Wolfram Language and Mathematica is available immediately both on the desktop and in the cloud. See also more detailed information on Version 13.1, Version 13.2 and Version 13.3. Building Something Greater and Greater… for 35 Years and Counting Today we celebrate...
bunnie's blog
Winner, Name that Ware December 2023
The Ware from December 2023 is a 20-watt laser diode used for engraving. It’s used in products like...
10 months ago
The Ware from December 2023 is a 20-watt laser diode used for engraving. It’s used in products like the ATOMSTACK Laser Engraver (link without affiliate code), and the module itself is produced by Shenzhen Xinghan Laser Technology Co, Ltd.. I don’t have an exact part number for...
swyx's site RSS Feed
Beware The Fallacy of Composition
Many things that make sense individually don't make sense as a group.
over a year ago
Many things that make sense individually don't make sense as a group.
Liz Denys
On the Fearless Girl, what constitutes art, authorial intent, and the patriarchy
A little over a month ago, Kristen Visbal's Fearless Girl statue was placed face to face with...
over a year ago
A little over a month ago, Kristen Visbal's Fearless Girl statue was placed face to face with Charging Bull statue in Manhattan's Financial District:
Moody Man's photo of Fearless Girl
Anthony Quintano's photo of Fearless Girl facing Charging Bull
But she wasn't...
Jim Nielsen’s Blog
There’s TypeScript and Then There’s TypeScript
Are you a TypeScript user?
Your initial reaction may be a resounding “Yes!”
Or perhaps be a booming...
a year ago
Are you a TypeScript user?
Your initial reaction may be a resounding “Yes!”
Or perhaps be a booming “No!”
The answer seems simple, but (as with most things) it might be more nuanced than you think.
Here’s Anders Hejlsberg, TypeScript Co-Creator & Lead Architech, from the...
Dan Slimmon
Post-mortems: content over structure
The value of post-mortems is apparent: failures present opportunities to learn about unexpected...
a year ago
The value of post-mortems is apparent: failures present opportunities to learn about unexpected behaviors of the system, and learning lets us make improvements to the system’s reliability. The value of post-mortem documents is much less apparent. Many R&D orgs will insist that...
Words and Buttons...
Binary search
The page contains interactive plots to play with different strategies and distributions.
over a year ago
The page contains interactive plots to play with different strategies and distributions.
Posts on Nikita...
Orange-Website-Proofing My Blog
Discussion on HackerNews and Lobsters.
Over the course of one year this website is deployed, I did...
a year ago
Discussion on HackerNews and Lobsters.
Over the course of one year this website is deployed, I did not pay a penny for hosting it. Sure, I pay for renting the domain itself, but everything else is free and quite honestly I like it this way. So when I woke up to a 10$ bill from...
Cognitive...
From Zero to Fineturning with Axolotl on ROCm
Gratitude to https://tensorwave.com/ for giving me access to their excellent servers!
Few have tried...
9 months ago
Gratitude to https://tensorwave.com/ for giving me access to their excellent servers!
Few have tried this and fewer have succeeded. I've been marginally successful after a significant amount of effort, so it deserves a blog post.
Know that you are in for rough waters. And even...
Acko.net
Use.GPU Goes Trad
Old is new again
I've released a new version of Use.GPU, my experimental reactive/declarative...
a year ago
Old is new again
I've released a new version of Use.GPU, my experimental reactive/declarative WebGPU framework, now at version 0.8.
My goal is to make GPU rendering easier and more sane. I do this by applying the lessons and patterns learned from the React world, and...
The Changelog
So Many Caring People In This World
When I was a boy and I would see scary things in the news, my mother would say to me, “Look for the...
over a year ago
When I was a boy and I would see scary things in the news, my mother would say to me, “Look for the helpers. You will always find people who are helping.” To this day, especially in times of “disaster,” I remember my mother’s words and I am always comforted by realizing that...
HTMHell
#26 HTMHell special: tasty buttons
The second HTMHell special focuses on another highly controversial pattern in front-end...
over a year ago
The second HTMHell special focuses on another highly controversial pattern in front-end development:
🔥 the burger button. 🔥
The burger button and his tasty friends (kebab, meatball and bento) usually reveal a list of links when activated. According to our studies, these buttons...
macwright.com
The S&P 500 is largely a historical artifact
I see the S&P 500 referenced pretty frequently as an vanilla index for people investing. This isn’t...
8 months ago
I see the S&P 500 referenced pretty frequently as an vanilla index for people investing. This isn’t totally wrong, which is why this post is short. But, if you have the goal of just “investing in the market,” there’s a better option for doing that: a total market index. For...
Words and Buttons...
Trippy polynomials in arctangent scale
This shows the global properties of polynomials, their derivatives, and explains how the Maclaurine...
over a year ago
This shows the global properties of polynomials, their derivatives, and explains how the Maclaurine and Taylor series work all with animated plots in arctangent scale.
swyx's site RSS Feed
Reinforcement Learning: Game Theory
RL with multiple actors
over a year ago
Dan Cowell
Deadlines Work
If you had told me that I'm capable of cycling 50km non-stop, soaked to the skin in torrential rain,...
9 months ago
If you had told me that I'm capable of cycling 50km non-stop, soaked to the skin in torrential rain, eyes burning with sunblock, sweat and ocean spray, in sub-10°C conditions, I would have called you a filthy liar.
Then yesterday happened.
It was meant to be
Jim Nielsen’s Blog
Deploying on Netlify with Apple’s Shortcuts
Just a quick note on a personal workflow thing.
I’ve written before about the many different ways I...
4 months ago
Just a quick note on a personal workflow thing.
I’ve written before about the many different ways I host my personal websites on Netlify.
I’ve got a few websites that aren’t the traditional model of: commit to git, push, build triggers on Netlify, website goes live.
Sometimes I...
TokyoDev
Tokyo Ruby Kaigi 05
![Speaker](https://www.tokyodev.com/rails/active_storage/blobs/redirect/eyJfcmFpbHMiOnsibWVzc2FnZSI6...
over a year ago
![Speaker](https://www.tokyodev.com/rails/active_storage/blobs/redirect/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaHBBaEFsIiwiZXhwIjpudWxsLCJwdXIiOiJibG9iX2lkIn19--1169db2c72c9703ffc256e380c62cb2f19df8c6e/tokyorubykaigi_speaker.jpg)
[Tokyo Ruby Kaigi...
bunnie's blog
Winner, Name that Ware March 2023
The Ware for March 2023 is the controller board from a Hövding 3 “Airbag for Urban Cyclists”....
a year ago
The Ware for March 2023 is the controller board from a Hövding 3 “Airbag for Urban Cyclists”. Congrats to jackw01 for arriving at the correct answer! congrats, email me for your prize. This one was surprisingly difficult to guess from just the PCB alone, but once the associated...
Dan Slimmon
Ask questions first, shoot later
The fact that fixing and diagnosing often converge to the same actions doesn't change the fact that...
7 months ago
The fact that fixing and diagnosing often converge to the same actions doesn't change the fact that these two concurrent activities have different goals. The goal of fixing is to bring the system into line with your mental model of how it's supposed to function. The goal of...
Miguel Carranza
How NOT to apply to Y Combinator
Getting into Y Combinator in 2018 was a defining event in the history of RevenueCat. It was also...
over a year ago
Getting into Y Combinator in 2018 was a defining event in the history of RevenueCat. It was also quite impactful for Jacob and me as founders. I want to believe we would still be around even if we had not gotten into YC, but I am sure the company would not be where it is today....
Paolo Amoroso's...
Overriding card editing with a no-op in WebCard
<![CDATA[I wrote some throwaway code to experiment with editing cards of type Web in WebCard, my...
2 months ago
<![CDATA[I wrote some throwaway code to experiment with editing cards of type Web in WebCard, my RetroChallenge 2024 project. The goal is to make the card read only with the least amount of effort.
In a NoteCards hypertext a Web card is a stand-in for a website, a placeholder...
Don Melton
Sorry, we’re closed
For reasons that will soon become obvious, I’m shutting the doors on this website. Everything will...
a year ago
For reasons that will soon become obvious, I’m shutting the doors on this website. Everything will remain online for now, but I don’t plan on returning to write anything new here. Not that I’ve added any content in almost two years anyway.
I still have a passion for making...
bunnie's blog
Winner, Name that Ware March 2024
Last month’s ware was internals from a VCH-1006 passive hydrogen maser. KE5FX has published a great...
7 months ago
Last month’s ware was internals from a VCH-1006 passive hydrogen maser. KE5FX has published a great write-up about the unit, its history, and how it was repaired. I’ll give the prize to Hessel. The guess given was about as close as anything I could have done myself — a pretty...
Blog System/5
End-to-end tool testing with Bazel and shtk
If you use Bazel, your project is of a moderate size. And because your project is of a moderate...
a year ago
If you use Bazel, your project is of a moderate size. And because your project is of a moderate size, it almost-certainly builds one or more binaries, at least one of which is a CLI tool. But let’s face it: you don’t have end-to-end testing for those tools, do you?
Vadim Kravcenko
How do I tell my cofounder I need to quit?
First of all, I’m sorry you ended up in such a situation. Running in overdrive for so long is a...
a year ago
First of all, I’m sorry you ended up in such a situation. Running in overdrive for so long is a […]
The post How do I tell my cofounder I need to quit? appeared first on Vadim Kravcenko.
Tyler Cipriani: blog
Private-ish GitHub repos
This week, we discovered that GitHub.com’s RSA SSH private key was
briefly exposed in a public...
a year ago
This week, we discovered that GitHub.com’s RSA SSH private key was
briefly exposed in a public GitHub repository.
– GitHub’s
“We updated our RSA SSH host key” blog, 2023-03-23
Once you git push, nothing is private.
Private info in git only stays private on your laptop. But once...
Making software...
Being More Efficient as a Designer and Developer
Being More Efficient as a Designer and Developer
2019-09-28
I recently began working on a small side...
over a year ago
Being More Efficient as a Designer and Developer
2019-09-28
I recently began working on a small side project (a marketing site / blog for an upcoming UX book I'm writing, but I have nothing to promote yet - sorry) and found myself circling around different static site generators...
Greg Brockman
OpenAI Five intro
The text of my speech introducing OpenAI Five at yesterday’s Benchmark event:
“We’re here to watch...
over a year ago
The text of my speech introducing OpenAI Five at yesterday’s Benchmark event:
“We’re here to watch humans and AI play Dota, but today’s match will have implications for the world. OpenAI’s mission is to ensure that when we can build machines as smart as humans, they will benefit...
Josh Collinsworth
A decade of code
A personal (read: meandering) post inspired by the realization that I first began to learn HTML and...
7 months ago
A personal (read: meandering) post inspired by the realization that I first began to learn HTML and CSS exactly ten years ago, reflecting on the lucky turning points that brought me to where I am today.
Epic Web Dev
Use Client Hints to Eliminate Content Layout Shift (tip)
Learn how to eliminate CLS using client hints in the Epic Stack.
a year ago
Learn how to eliminate CLS using client hints in the Epic Stack.
Darek Kay
My personal one-pager
I've been using "Darek Kay" as my pseudonym since school. My surname was long and difficult to...
a year ago
I've been using "Darek Kay" as my pseudonym since school. My surname was long and difficult to pronounce, so I've been mostly using it in a formal context. Last year, I changed my legal name, which also influenced my online presence. Due to the change, looking up my new name via...
Vadim Kravcenko
Why software projects fail
Question:
Answer:
The post Why software projects fail appeared first on Vadim Kravcenko.
9 months ago
Question:
Answer:
The post Why software projects fail appeared first on Vadim Kravcenko.
Making software...
The X220 ThinkPad is the Best Laptop in the World
The X220 ThinkPad is the Best Laptop in the World
2023-09-26
The X220 ThinkPad is the greatest...
a year ago
The X220 ThinkPad is the Best Laptop in the World
2023-09-26
The X220 ThinkPad is the greatest laptop ever made and you're wrong if you think otherwise. No laptop hardware has since surpassed the nearly perfect build of the X220. New devices continue to get thinner and more...
ntietz.com blog
RC Week 8: Life happens, and databases are hard
I'm two-thirds of the way done with my RC batch now.
Eight weeks down, four weeks to go.
The last...
over a year ago
I'm two-thirds of the way done with my RC batch now.
Eight weeks down, four weeks to go.
The last two weeks have been difficult for me because of life happening.
Week 7 was hard because I had some travel to help my parents, and that just takes me out of my routine and is...
Liz Denys
Creamsicles of a different texture: clementine panna cotta
Creamsicles were one of my favorite desserts as a child. Whenever my family went to the pool, I...
over a year ago
Creamsicles were one of my favorite desserts as a child. Whenever my family went to the pool, I would absolutely dread the 15 minutes every hour that I couldn't stay in the pool known as adult swim - until I headed over to the pool's snack shop and grabbed a...
David Heinemeier...
I could have been happy with Windows
After more than twenty years on the mac, it was always going to be difficult for me to leave Apple....
8 months ago
After more than twenty years on the mac, it was always going to be difficult for me to leave Apple. I've simply not been in the market for another computing platform in decades. Sure, I've dabbled a bit here and there, but never with true commitment. It wasn't until Cupertino...
A Beautiful Site
Five things I've learned about taking risks
I had a cush job at a university with great benefits, decent pay, and normal hours. Five years ago,...
over a year ago
I had a cush job at a university with great benefits, decent pay, and normal hours. Five years ago, I took a risk and gave it all up to start a company. Here are the five most important lessons I've learned about risk-taking.
1. There are good risks and bad risks #
People that...
bunnie's blog
Winner, Name that Ware May 2023
Last month’s ware is the Automatic AUT-450C “Connected Car Assistant” (OBD-II code scanner and GPS...
a year ago
Last month’s ware is the Automatic AUT-450C “Connected Car Assistant” (OBD-II code scanner and GPS tracker with cellular, WiFi, and Bluetooth connectivity). The company went out of business shortly after the start of the pandemic. Here’s some more views of the ware — I had left...
Irrational...
My advice for how to use LLMs in your product.
Pretty much every company I know is looking for a way to benefit from Large Language Models. Even if...
8 months ago
Pretty much every company I know is looking for a way to benefit from Large Language Models. Even if their executives don’t see much applicability, their investors likely do, so they’re staring at the blank page nervously trying to come up with an idea. It’s straightforward to...
Irrational...
How to get more headcount.
One of the recurring challenges that teams face is getting headcount to support their initiatives.
A...
a month ago
One of the recurring challenges that teams face is getting headcount to support their initiatives.
A similar problem is the idea that a team can’t get a favored project into their roadmap.
In both cases, teams often create a story about how clueless executives don’t understand...
Words and Buttons...
The simplest possible smooth contouring algorithm
The algorithm that takes a distance function and makes a smooth contour out of it in three steps.
over a year ago
The algorithm that takes a distance function and makes a smooth contour out of it in three steps.
Irrational...
Leadership requires taking some risk.
At a recent offsite with Carta’s Navigators, we landed on an interesting topic: leadership roles...
9 months ago
At a recent offsite with Carta’s Navigators, we landed on an interesting topic: leadership roles sometimes mean that making progress on a professional initiative requires taking some personal risk.
This lesson was hammered into me a decade ago during my time at Uber, where I...
bunnie's blog
Name that Ware, June 2024
The Ware for June 2024 is shown below. This one will probably be a super-easy guess for some folks,...
5 months ago
The Ware for June 2024 is shown below. This one will probably be a super-easy guess for some folks, but the details of the design of this type of ware are interesting from an engineering standpoint. Some of the tricks used here are kind of mind blowing; on paper, I wouldn’t think...
Jim Nielsen’s Blog
“That’s Another Podcast”
I’ve long been a fan of the Rich Ziade / Paul Ford podcast duo. They did Track Changes then The...
a year ago
I’ve long been a fan of the Rich Ziade / Paul Ford podcast duo. They did Track Changes then The Postlight Podcast then The Aboard Podcast then Ziade+Ford, and now (again?) The Aboard Podcast.
Through all my listening, one thing I’ve noticed is that they often make comedic...
Making software...
CSS Slope Graphs
CSS Slope Graphs
2021-06-07
I am a huge sucker for simplistic and beautifully designed visual data...
over a year ago
CSS Slope Graphs
2021-06-07
I am a huge sucker for simplistic and beautifully designed visual data on the web. Most data tends to be graphed via line or bar systems - which is fine - but I think slope graphs are highly underrated. Let's change that, shall we?
The Demo
I'm basing...
HTMHell
Back to Basics: 5 HTML attributes for improved accessibility and user experience
by Daniela Kubesch
In the fast-paced world of web development, it's easy to get caught up in the...
a year ago
by Daniela Kubesch
In the fast-paced world of web development, it's easy to get caught up in the latest frameworks, libraries and cutting-edge technologies. But sometimes, the most impactful improvements come from revisiting the fundamentals.
In this blog post, I'll guide you...
A Beautiful Site
But we haven't even mastered Acid2!
Safari was the first mainstream browser to pass the Acid2 Test now. Opera was a close second....
over a year ago
Safari was the first mainstream browser to pass the Acid2 Test now. Opera was a close second. Firefox finally nailed it down with version 3. Even Micrsoft, back in December, announced that IE8 passes the Acid2 Test. Web browsers have certainly come a long way towards standards...
David Heinemeier...
There's no rebound in sight for unprofitable SaaS
Anyone reviewing their S&P 500 retirement fund these days will do so with a broader smile than last...
a year ago
Anyone reviewing their S&P 500 retirement fund these days will do so with a broader smile than last year. The market as a whole is up, and if you're in the whole market, you're benefitting. But all of that upside, basically, belongs to just a handful of mega tech companies.
This...
37signals Dev
Basecamp code runs 18% faster with YJIT
Basecamp runs ~18% faster with YJIT. In this post I’ll share our setup, and the performance...
a year ago
Basecamp runs ~18% faster with YJIT. In this post I’ll share our setup, and the performance improvements we achieved.
Our setup
Basecamp is currently running Ruby 3.3.0-preview3 and Rails Edge (master branch).
We configure YJIT in our servers via RUBYOPT=--yjit-disable...
TokyoDev
Mental Health in the Japanese Tech Industry
Working in a fast-paced environment such as tech, combined with moving to a homogenous country as a...
a year ago
Working in a fast-paced environment such as tech, combined with moving to a homogenous country as a foreigner (such as Japan where standing out is not considered to be an exceptionally good thing) understandably takes a toll on someone’s mental health. At the same time, language...
A Smart Bear
Building in public forces true competitive advantage
“Building in public” is increasingly popular. It’s fun to have strangers cheering you on, and it...
over a year ago
“Building in public” is increasingly popular. It’s fun to have strangers cheering you on, and it creates a self-imposed accountability. But doesn’t it ruin competitive advantage when your competitors can steal your source code and know the salaries of your employees and whether...
Joel Gascoigne
What are you doing to feel uncomfortable?
* Tweet [https://twitter.com/share]
*
* Buffer [http://bufferapp.com/add]
*
I believe that...
over a year ago
* Tweet [https://twitter.com/share]
*
* Buffer [http://bufferapp.com/add]
*
I believe that when you’re building a startup, it is as much about developing
yourself as it is about developing your startup. This week I’ve stepped up my
gym routine and managed to go to the gym...
The Changelog
How Gapped is Your Air?
Sometimes we want better-than-firewall security for things. For instance: An industrial control...
a year ago
Sometimes we want better-than-firewall security for things. For instance: An industrial control system for a municipal water-treatment plant should never have data come in or out Or, a variant of the industrial control system: it should only permit telemetry and monitoring data...
Vadim Kravcenko
How to better handle stress in a startup?
Dear Reader, First off, let me commend you on the courage and determination you’ve already shown on...
10 months ago
Dear Reader, First off, let me commend you on the courage and determination you’ve already shown on your journey. The […]
The post How to better handle stress in a startup? appeared first on Vadim Kravcenko.
swyx's site RSS Feed
Using Novela by Narative (updated)
With the growing community interest in Gatsby, we hope to create more resources that make it easier...
over a year ago
With the growing community interest in Gatsby, we hope to create more resources that make it easier for anyone to grasp the power of this incredible tool.
Josh Collinsworth
Alfred vs. Raycast: my constant debate
After a year or so of using Raycast, I'm switching back to Alfred. This is what prompted me to make...
a year ago
After a year or so of using Raycast, I'm switching back to Alfred. This is what prompted me to make that decision, and why I may or may not stick with it.
swyx's site RSS Feed
Ejectable Defaults
Borrowing heavily from Gatsby Themes to improve the Sapper developer experience, and a discussion of...
over a year ago
Borrowing heavily from Gatsby Themes to improve the Sapper developer experience, and a discussion of how Ejectable Defaults fits with the Zero Config movement
macwright.com
CSS Roundup
I’ve been writing some CSS. My satisfaction with CSS ebbs and flows: sometimes I’m happy with its...
10 months ago
I’ve been writing some CSS. My satisfaction with CSS ebbs and flows: sometimes I’m happy with its new features like :has, but on the other hand, CSS is one of the areas where you really often get bitten by browser incompatibilities. I remember the old days of JavaScript in which...
HTMHell
Never underestimate HTML
by Lara Aigmüller
“HTML is easy.”, “Frontend development is easier than backend development.”,...
12 months ago
by Lara Aigmüller
“HTML is easy.”, “Frontend development is easier than backend development.”, “Updating the UI should be a simple task once the backend is ready.”—these and other similar statements reached my ears time and again during my career as a web developer.
Very often,...
Miguel Carranza
Evolution of my role as a founder CTO
There is a lot written about the importance of scaling as a founder in a fast-growing startup. Most...
over a year ago
There is a lot written about the importance of scaling as a founder in a fast-growing startup. Most of it focused on the CEO role. The generic advice on leadership also applies to other non-CEO roles, but I could not find a lot of content targeted to technical founders. In fact,...
Stephen Wolfram...
The Physicalization of Metamathematics and Its Implications for the Foundations of Mathematics
h2 span {color: #a5a5a5;}
table.InCell { margin-left: -0.27rem; }
#blog .post_content...
over a year ago
h2 span {color: #a5a5a5;}
table.InCell { margin-left: -0.27rem; }
#blog .post_content .inline-table-of-contents {
background-color: #ebf9f8;
border: solid 1px #89cac7;
}
#blog .post_content .inline-table-of-contents div a {
color: #783f19;
}
#blog...
A Smart Bear
What a startup does to you. Or: A celebration of new life
A startup is a crucible -- a fiery place that tests your limits, not by probing them but by...
a year ago
A startup is a crucible -- a fiery place that tests your limits, not by probing them but by violently exceeding them, all of the time. It's worth it.
Confessions of a...
Disillusioning the Magic of the fork System Call
How the kernels implement the fork system call
3 weeks ago
How the kernels implement the fork system call
swyx's site RSS Feed
What to do when iCloud is stuck on uploading items
I use iCloud as my syncing engine for my [Obsidian Second...
over a year ago
I use iCloud as my syncing engine for my [Obsidian Second Brain](https://www.swyx.io/obsidian-brain), and twice now I've seen iCloud get corrupted into a really bad state. I also [back up everything to github](https://github.com/sw-yx/brain), so I dont really experience much data...
Daniel Immke's Blog...
Making noisy SVGs
Addendum Dec 7, 2023 One of my ongoing fixations with the web is how improvements in technology...
a year ago
Addendum Dec 7, 2023 One of my ongoing fixations with the web is how improvements in technology inform web design. In an earlier post this…
Blog - Bitfield...
Rust and Go vs everything else
Alex Pliutau and I discuss what Go programmers should know about Rust, and
why the two languages...
a month ago
Alex Pliutau and I discuss what Go programmers should know about Rust, and
why the two languages make perfect partners.
ntietz.com blog
A confusing lifetime error related to Rust's lifetime elision
Earlier this week, I ran into a confusing situation with lifetimes and the borrow checker while...
a year ago
Earlier this week, I ran into a confusing situation with lifetimes and the borrow checker while working on my Lox interpreter.
It took me a little while to figure out, and it's an instructive situation.
Here's a reduced-down version of what I was working on.
It's an interpreter,...
HTMHell
The hidden depths of the input element
by Phil Nash
The <input> element is the most fascinating element in HTML.
Most elements behave the...
a year ago
by Phil Nash
The <input> element is the most fascinating element in HTML.
Most elements behave the same way regardless of their attributes, the type attribute of the <input> element can take 1 of 22 different values that gives it not only different behaviour, but a different...
Ralph Ammer
Bergson — Why we live in the past
Should we just live in the moment? In “Matter and Memory” the French philosopher Henri Bergson...
2 months ago
Should we just live in the moment? In “Matter and Memory” the French philosopher Henri Bergson claims that this is not even possible. 1. Perception is physical First of all: How do we perceive the “current moment” anyway? Bergson suggests that the whole point of perception is...
Epic Web Dev
Direct Children Selector in Tailwind CSS (tip)
Simplify your Tailwind CSS code by styling direct children from the parent element.
11 months ago
Simplify your Tailwind CSS code by styling direct children from the parent element.
charity.wtf
On Versioning Observabilities (1.0, 2.0, 3.0…10.0?!?)
Hazel Weakly, you little troublemaker. As I whined to Hazel over text, after she sweetly sent me a...
2 days ago
Hazel Weakly, you little troublemaker. As I whined to Hazel over text, after she sweetly sent me a preview draft of her post: “PLEASE don’t post this! I feel like I spend all my time trying to help bring clarity and context to what’s happening in the market, and this is NOT...
Making software...
Dynamic Checkboxes
Dynamic Checkboxes
2019-07-30
Checkboxes are used quite frequently on forms across the web. Whether...
over a year ago
Dynamic Checkboxes
2019-07-30
Checkboxes are used quite frequently on forms across the web. Whether you're selecting a pricing plan during a site's sign-up process or just simply selecting to opt-out from a newsletter, you have most likely interacted with some form of checkbox...
charity.wtf
“Founder Mode” and the Art of Mythmaking
I’ve never been good at “hot takes”. Anyone who knows anything about marketing can tell you that the...
5 days ago
I’ve never been good at “hot takes”. Anyone who knows anything about marketing can tell you that the best time to share your opinion about something is when everyone is all worked up about it. Hot topics drive clicks and eyeballs and attention en masse. Unfortunately, my internal...
HTMHell
HTML: The Bad Parts
by Mayank
You've probably heard statements along the lines of "HTML is already accessible by...
a year ago
by Mayank
You've probably heard statements along the lines of "HTML is already accessible by default" or "You don't need to reinvent this perfectly fine HTML control". I consider these to be more of general claims rather than universal truths. It's extremely important for web...
Making software...
Aqua UI CSS Buttons
Aqua UI CSS Buttons
2016-06-28
Though it may feel like nostalgia, the old OS design for Mac was...
over a year ago
Aqua UI CSS Buttons
2016-06-28
Though it may feel like nostalgia, the old OS design for Mac was arguably better than the current iteration (as of this writing - High Sierra). I recently designed a quick Dribbble shot showcasing how the older operating system used to have so much...
ntietz.com blog
RC Week 6: Halfway done, wrote a parser!
I'm halfway done with my RC batch now.
Time feels like it has sped up.
The feeling that my time at...
over a year ago
I'm halfway done with my RC batch now.
Time feels like it has sped up.
The feeling that my time at RC is infinite is gone.
This was compounded by seeing folks from the Fall 1 batch conclude their batches yesterday.
We'll get a new boost from the Winter 1 batch joining on Monday,...
Dan Slimmon
Platform teams don’t need to act like companies
Lately you see a lot of software company R&D teams organized around internal products. The Search...
a year ago
Lately you see a lot of software company R&D teams organized around internal products. The Search Team provides a Search service and its “customers” are the teams whose code consumes that service. The Developer Productivity Team’s product is a suite of tools for managing local...
Jim Nielsen’s Blog
The Impressionist Blogging Movement
I love this articulation: AI enables action without thought. It comes from an iA article about AI...
4 months ago
I love this articulation: AI enables action without thought. It comes from an iA article about AI and the future of design (emphasis mine):
Now, what actually is AI? The Italian philosopher and technology ethicist Luciano Floridi sums it up nicely. He posits that AI doesn’t...
Liz Denys
A short comic about the Internet Protocol
Just a cleaned up version of a silly little comic that I came up with during a 6.033 (Computer...
over a year ago
Just a cleaned up version of a silly little comic that I came up with during a 6.033 (Computer Systems Engineering) recitation last semester:
swyx's site RSS Feed
Good Enough
In general, you move faster and feel a lot less stress once you realize - You don't need "the best",...
over a year ago
In general, you move faster and feel a lot less stress once you realize - You don't need "the best", you just need "good enough".
bt RSS Feed
Enabling Safari Extensions with the macOS Catalina Patcher
Enabling Safari Extensions with the macOS Catalina Patcher
2021-09-23
I have an old 2011 MacBook Air...
over a year ago
Enabling Safari Extensions with the macOS Catalina Patcher
2021-09-23
I have an old 2011 MacBook Air that is running the latest version of macOS Catalina thanks to the very wonderful Catalina Patcher by dosdude1. This project has made it possible for me to run and test some of...
A Beautiful Site
Select all, select none, and invert selection with jQuery
A demonstration of selecting checkboxes using jQuery.We start off with a bunch of...
over a year ago
A demonstration of selecting checkboxes using jQuery.We start off with a bunch of checkboxes:
<fieldset id="group_1">
<input type="checkbox" name="numbers[]" value="0" />
<input type="checkbox" name="numbers[]" value="1" />
<input type="checkbox" name="numbers[]" value="2"...
Krzysztof Kowalczyk...
Optimizing JavaScript by using arrays instead of objects
Best optimizations are achievied by thinking about a problem holistically.
In this article I...
over a year ago
Best optimizations are achievied by thinking about a problem holistically.
In this article I describe an optimization that uses arrays instead of classes while providing a class API for accessing data.
Imagine you’re building a web-based note taking application.
It uses modern,...
bt RSS Feed
"This Key is Useless Now. Discard?"
“This Key is Useless Now. Discard?”
2024-08-28
The title of this article probably triggers nostalgic...
3 months ago
“This Key is Useless Now. Discard?”
2024-08-28
The title of this article probably triggers nostalgic memories for old school Resident Evil veterans like myself. My personal favourite in the series (not that anyone asked) was the original, 1998 version of Resident Evil 2 (RE2). I...
Lennart Koopmann
Close Access Denial
I’ve been working on nzyme full-time for 10 months now and I was struggling to find a good name for...
a year ago
I’ve been working on nzyme full-time for 10 months now and I was struggling to find a good name for what its WiFi functionality does. The fact that it looks at not only WiFi but also Ethernet data does not help with that problem. If I have a minute to explain it, it’s no problem...
Jim Nielsen’s Blog
Using Quadratic to Discover Newsletter Links
I built myself a daily email digest that informs me who is linking back to my blog.
It’s a fun way...
10 months ago
I built myself a daily email digest that informs me who is linking back to my blog.
It’s a fun way to discover new people, blogs, and newsletter that I didn’t know existed.
I recently saw links to my blog from the tldr newsletter but didn’t know which posts specifically they were...
37signals Dev
Announcing Hotwire Native
As Rails World 2024 is about to begin, we have an exciting Hotwire announcement! We’re launching a...
2 months ago
As Rails World 2024 is about to begin, we have an exciting Hotwire announcement! We’re launching a brand new, yet familiar, framework for building hybrid mobile apps.
Background
But first, let me provide some context. Last year, shortly before Rails World 2023, we open sourced...
Irrational...
Notes on The Software Engineer's Guidebook
The Software Engineer’s Guidebook by Gergely Orosz is a broad reference book for software engineers...
a year ago
The Software Engineer’s Guidebook by Gergely Orosz is a broad reference book for software engineers that will be particularly valuable for new software engineers and those who’ve worked most of their career in a small number of companies. It doesn’t go deep everywhere, but leaves...
dthompson
Spring Lisp Game Jam 2023 Summary
The Spring Lisp Game Jam
2023 submission
deadline has now passed and we are now in the rating...
a year ago
The Spring Lisp Game Jam
2023 submission
deadline has now passed and we are now in the rating period. I was a
co-host of the jam alongside
technomancy but he did all the real
work setting everything up. There were 30
submissions
this time around, which I believe is a new record...
Letters of Note
I’m amputating you
It was when she joined the Mexican Communist Party in 1927 that Frida Kahlo first met Diego Rivera,...
over a year ago
It was when she joined the Mexican Communist Party in 1927 that Frida Kahlo first met Diego Rivera, a fellow artist 21 years Kahlo’s senior who soon became her mentor and husband. Kahlo’s life up until then had been a struggle due to polio as a child and a serious traffic...
The Codist
My Compensation Over Four Decades As A Programmer
It's a lie, as I don't remember exactly what I made in every job, and it changed during each job....
a year ago
It's a lie, as I don't remember exactly what I made in every job, and it changed during each job. Also, I never worked for a big tech company (other than Apple briefly, but that was when they were going out of business) and only a
PostHog's RSS Feed
The 9 best GDPR-compliant analytics tools
The GDPR (General Data Protection Regulation) places significant restrictions on how you can use...
a year ago
The GDPR (General Data Protection Regulation) places significant restrictions on how you can use tools like Google Analytics to track and collect user…
The Changelog
Building an Asynchronous, Internet-Optional Instant Messaging System
I loaded up this title with buzzwords. The basic idea is that IM systems shouldn’t have to only use...
over a year ago
I loaded up this title with buzzwords. The basic idea is that IM systems shouldn’t have to only use the Internet. Why not let them be carried across LoRa radios, USB sticks, local Wifi networks, and yes, the Internet? I’ll first discuss how, and then why. How do set it up I’ve...
Nelson's Weblog
PreSonus Eris speakers
PreSonus makes good
computer speakers. They’re marketed as “reference monitors” but at $100
for a...
6 months ago
PreSonus makes good
computer speakers. They’re marketed as “reference monitors” but at $100
for a small set I have my doubts about their referenceness. Fortunately I
have a tin ear and they sound just fine for my computer playing YouTube
videos, compressed music, games. ...
PostHog's RSS Feed
Open source (and self-hosted) alternatives to Hotjar & FullStory
Analytics is great when you need hard numbers, but hard numbers don't give you the full picture....
a year ago
Analytics is great when you need hard numbers, but hard numbers don't give you the full picture. What else do you need to do? Talk to users ? Sure…
alexwlchan
Taking regular screenshots of my website
A few weeks ago I was reading the DPC Bit List, an inventory of digital materials and the risks...
8 months ago
A few weeks ago I was reading the DPC Bit List, an inventory of digital materials and the risks associated with their long-term preservation.
What formats need urgent attention before they’re lost forever, what mediums are already being well-preserved, and so on.
For example,...
bt RSS Feed
CSS Slope Graphs
CSS Slope Graphs
2021-06-07
I am a huge sucker for simplistic and beautifully designed visual data...
over a year ago
CSS Slope Graphs
2021-06-07
I am a huge sucker for simplistic and beautifully designed visual data on the web. Most data tends to be graphed via line or bar systems - which is fine - but I think slope graphs are highly underrated. Let’s change that, shall we?
The Demo
I’m basing...
Paolo Amoroso's...
Stumped with URL validation in WebCard
<![CDATA[I started working on URL validation in WebCard and soon bumped into a bug.
When creating a...
2 months ago
<![CDATA[I started working on URL validation in WebCard and soon bumped into a bug.
When creating a new Web card, WebCard prompts for a URL to store in the card. I wrote the predicate WCD.ValidURLP to do some minimal validation and make sure the input resembles a URL. For...
Tinloof - Blog
Images and videos on Sanity
This article is outdated. You can read the Managing Tinloof-powered websites article...
over a year ago
This article is outdated. You can read the Managing Tinloof-powered websites article instead.
-
Images and videos have to be properly configured to rank in search engine result pages and not impact negatively page speed.
Tony Finch's blog
getentropy() vs RAND_bytes()
A couple of notable things have happened in recent months:
There is a new edition of POSIX for 2024....
2 months ago
A couple of notable things have happened in recent months:
There is a new edition of POSIX for 2024. There’s lots of
good stuff in it, but today I am writing about getentropy()
which is the first officially standardized POSIX API for getting
cryptographically secure random...
Josh Collinsworth
How to Check Uniqueness in an Array of Objects in JavaScript
Working with arrays of objects in JavaScript can be difficult. This post covers how to ensure all...
over a year ago
Working with arrays of objects in JavaScript can be difficult. This post covers how to ensure all object keys (IDs) are unique, and how to find non-unique values.
Making software...
My Robotic Mower Woes
My Robotic Mower Woes
2023-05-19
A Brief Background
I'm no stranger to robotic lawnmowers. When my...
a year ago
My Robotic Mower Woes
2023-05-19
A Brief Background
I'm no stranger to robotic lawnmowers. When my wife and I moved into our rural home just over five years ago, we picked up the Husqvarna 450X Automower since I was far too lazy to manually mow my property and the cost was equal...
HTMHell
Control the Viewport Resize Behavior on mobile with `interactive-widget`
by Bramus
figcaption {
font-size: 0.8em;
text-align: center;
}
Viewports units on...
2 weeks ago
by Bramus
figcaption {
font-size: 0.8em;
text-align: center;
}
Viewports units on mobile have been a problem for a long time. Using 100vh is most likely not exactly what you initially expected it to be. To fix this, the CSS Working Group came up with more units over...
David Heinemeier...
Google Cloud cuts egress and promotes cloud exits
The absurd egress fees charged by major hyperscalers have been one of the biggest impediments for...
11 months ago
The absurd egress fees charged by major hyperscalers have been one of the biggest impediments for companies to leave the cloud. We’ve been preparing for our own departure from AWS S3 at 37signals, and the price for taking our data elsewhere is in the crazy-land region of...
David Heinemeier...
Our cloud-exit savings will now top ten million over five years
We finished pulling seven cloud apps, including HEY, out of AWS and onto our own hardware last...
2 months ago
We finished pulling seven cloud apps, including HEY, out of AWS and onto our own hardware last summer. But it took until the end of that year for all the long-term contract commitments to end, so 2024 has been the first clean year of savings, and we've been pleasantly surprised...
Chris Nicholas
A reactive framework in 40 lines
In this article I'll be explaining one method to create a basic reactive framework (in just 40 lines...
over a year ago
In this article I'll be explaining one method to create a basic reactive framework (in just 40 lines of code).
samwho.dev
API Design: In The Wild
We've explored some guiding principles in previous posts, but we're yet to use our new-found skills....
over a year ago
We've explored some guiding principles in previous posts, but we're yet to use our new-found skills. Let's take a break and look at some examples from real-world code you can find in use today, and how we might improve them.
›
Go's math/big package
Most languages have a library...
swyx's site RSS Feed
What if your Index Page was Smart?
Let's rethink the humble Index Page from first principles.
over a year ago
Let's rethink the humble Index Page from first principles.
David Heinemeier...
Google's sad ideological capture was exactly what we were trying to avoid
The Gemini AI roll out should have been Google's day of triumph. The company made one of the...
9 months ago
The Gemini AI roll out should have been Google's day of triumph. The company made one of the smartest acquisitions in tech when they bought DeepMind in 2014. They helped set the course for the modern AI movement with the Transformer paper in 2017. They were poised to be right...
Making software...
Simple Does Not Mean Ugly
Simple Does Not Mean Ugly
2019-03-26
I see new blog posts popping up now and again advocating for...
over a year ago
Simple Does Not Mean Ugly
2019-03-26
I see new blog posts popping up now and again advocating for designers to keep their products as simple as possible - and I couldn't agree more.
A lot of designers tend to think they need to reinvent the wheel when it comes to UI concepts that...
alexwlchan
Moving my YouTube Likes from one account to another
I used to have two YouTube accounts, and I wanted to consolidate them into one.
I had two accounts...
10 months ago
I used to have two YouTube accounts, and I wanted to consolidate them into one.
I had two accounts as a way to keep two separate watch histories.
I was watching videos about gender and trans stuff before I came out, and I didn’t want them appearing in my main account – say, when...
Words and Buttons...
[Renovated] Can you tell an assembly language when you see one?
An interactive quiz featuring several obscure high-level languages and assembly variants.
over a year ago
An interactive quiz featuring several obscure high-level languages and assembly variants.
A Beautiful Site
Parsing URLs in JavaScript
There's an excellent trick to parsing URLs in JavaScript, which was introduced last year by John...
over a year ago
There's an excellent trick to parsing URLs in JavaScript, which was introduced last year by John Long over on GitHub. This technique works great, but the resulting search property will be a raw query string. This isn't very useful if you need to access certain variables in said...
Tyler Cipriani: blog
Framework DIY 13 gen AMD review ⚙️
.title {text-wrap:balance;}
Framework Laptop DIY 13 AMD, 13th Generation with ethernet dongle and...
11 months ago
.title {text-wrap:balance;}
Framework Laptop DIY 13 AMD, 13th Generation with ethernet dongle and screwdriver
The laptop industry is a
tragedy.
Meanwhile, Framework built something
different—repairable, Linux-ready laptops that respect
users. Framework is a rare company worth...
David Heinemeier...
Where next for DEI?
It was a rough 2023 for DEI. After the ideology completely conquered both the corporate and cultural...
10 months ago
It was a rough 2023 for DEI. After the ideology completely conquered both the corporate and cultural world from 2020-2022, the reversal last year was astounding. The Supreme Court ruled the use of race in college admissions illegal, Ibram X. Kendi’s Antiracst Research center fell...
Maggie Appleton
Squish Meets Structure: Designing with Language Models
a year ago
Stephen Wolfram...
The New World of LLM Functions: Integrating LLM Technology into the Wolfram Language
This is part of a series about our LLM technology.Other parts of this series: ChatGPT Gets Its...
a year ago
This is part of a series about our LLM technology.Other parts of this series: ChatGPT Gets Its “Wolfram Superpowers”!Instant Plugins for ChatGPT: Introducing the Wolfram ChatGPT Plugin Kit Turning LLM Capabilities into Functions So far, we mostly think of LLMs as things we...
A Beautiful Site
Design Systems Are An Investment
It's hard to put a value on a design system. It's a lot easier to add up the costs of said design...
a year ago
It's hard to put a value on a design system. It's a lot easier to add up the costs of said design system, especially in terms of salaries and development time. It's even easier to target a design system as the thing that's holding up a product from getting delivered.
The truth...
Liz Denys
New Loose Leaf Security series: Securing your personal finances
Two more episodes of Loose Leaf Security are out, a series about securing your personal...
over a year ago
Two more episodes of Loose Leaf Security are out, a series about securing your personal finances:
Credit and debit card security
An important part of your personal digital security is making sure your credit and debit cards are secure. In this episode, Liz and Geoffrey take a...
Krzysztof Kowalczyk...
Advanced markdown processing in Go
Using gomarkdown/markdown library
This article describes an advanced markdown processing...
a year ago
Using gomarkdown/markdown library
This article describes an advanced markdown processing in Go using gomarkdown/markdown library.
All the code examples are available at https://github.com/gomarkdown/markdown/tree/master/examples
Basics first
Here’s a good...
swyx's site RSS Feed
The God Endpoints will continue until morale improves
a brief meditation on why we keep trying to build God Endpoints and why we will fail until we figure...
over a year ago
a brief meditation on why we keep trying to build God Endpoints and why we will fail until we figure out interfaces.
Ralph Ammer
The Book of Change
Introduction to the Yijing or "book of change", China's oldest philosophical book.
The post The Book...
over a year ago
Introduction to the Yijing or "book of change", China's oldest philosophical book.
The post The Book of Change appeared first on Ralph Ammer.
Darek Kay
Fixing long start-up times of the Eleventy dev server
Recently, I've encountered a peculiar issue with Eleventy. The development server stopped...
over a year ago
Recently, I've encountered a peculiar issue with Eleventy. The development server stopped working:
eleventy --serve
[11ty] Wrote 92 files in 0.48 seconds (5.2ms each, v1.0.2)
[11ty] Watching…
There were no errors. Everything seemed fine, except for the dev server not being...
Paolo Amoroso's...
Raspberry Pi 400: first impressions
<![CDATA[I bought a lovely little computer, a Raspberry Pi 400, and two accessories, a 64 GB Samsung...
a year ago
<![CDATA[I bought a lovely little computer, a Raspberry Pi 400, and two accessories, a 64 GB Samsung Pro Endurance microSD card to hold the file system and a very cheap Full HD webcam for video calls.
Raspberry Pi 400, Samsung Pro Endurance 64 GB microSD card, and Full HD webcam...
Making software...
Simple Navigation Setup in Jekyll 3.9.0
Simple Navigation Setup in Jekyll 3.9.0
2020-09-29
I have found that there is a lot of information...
over a year ago
Simple Navigation Setup in Jekyll 3.9.0
2020-09-29
I have found that there is a lot of information on the internet in regards to setting up "dynamic" navigation in Jekyll. The problem I've noticed is that a good amount of these implementations are overly complex. Here is the...
HTMHell
#33 make me one (input) with everything
The good intentions were there but in the HTML and Accessibility world, less is sometimes more.
Bad...
3 months ago
The good intentions were there but in the HTML and Accessibility world, less is sometimes more.
Bad code
<label for="textinput">First name</label>
<input type="text" id="textinput" aria-label="First name" placeholder="First name" title="First name">
Issues and how to fix them
The...
PostHog's RSS Feed
Array 1.19.0
This new release is a great mix between old and new, with significant improvements to both our newer...
over a year ago
This new release is a great mix between old and new, with significant improvements to both our newer features, as well as our core analytics stack…
ntietz.com blog
Impact of remote-code execution vulnerability in LangChain
One of my private repos depends on LangChain, so I got a lovely email from GitHub this...
a year ago
One of my private repos depends on LangChain, so I got a lovely email from GitHub this morning:
Ooh, a high severity remote-code execution vulnerability in LangChain?
On the one hand, I'm not entirely shocked that a framework that includes the ability to run LLM-generated code...
macwright.com
Hawbuck wallets
There are a lot of companies pitching new kinds of wallets, with lots of ads - Ridge is one of the...
8 months ago
There are a lot of companies pitching new kinds of wallets, with lots of ads - Ridge is one of the most famous. An option that never seems to come up in internet listicles but I’ve sworn by for years is the Hawbuck wallet.
My personal preferences for this kind of thing...
Dan Slimmon
Why transaction order matters, even if you’re only reading
There are 4 isolation levels defined by the SQL standard, and Postgres supports them through the SET...
11 months ago
There are 4 isolation levels defined by the SQL standard, and Postgres supports them through the SET TRANSACTION statement. They are: This last guarantee is one against serialization anomalies. A serialization anomaly is any sequence of events that produces a result that would be...
swyx's site RSS Feed
Prerecording Talks for Online Conferences
Tips for Speakers Prerecording Talks for Online Conferences
over a year ago
Tips for Speakers Prerecording Talks for Online Conferences
ntietz.com blog -...
Terminology isn't universal
A little while back, I wrote that we shouldn't say "auth" but should use other terms instead.
I...
3 weeks ago
A little while back, I wrote that we shouldn't say "auth" but should use other terms instead.
I stand by my argument in general, but it also has another side to it: my suggested terminology makes sense in some domains, but not in all domains.
And that's because terminology...
Daniel Marino
JS13K 2018 Retrospective
In one of my weekly developer emails, I saw a link for JS13KGames. I've always wanted to create a...
over a year ago
In one of my weekly developer emails, I saw a link for JS13KGames. I've always wanted to create a video game. I asked my JavaScript-whiz buddy, Brad, if he was interested in building a game with me. Without hesitation, he said “Yes!”
Concept
A couple of years ago I came up with...
Krzysztof Kowalczyk...
Solo founders with profitable businesses, collected stories
People sometimes wonder: can I have a successful business as a single founder?
The answer is:...
over a year ago
People sometimes wonder: can I have a successful business as a single founder?
The answer is: yes.
This is a collection of solo-preneur success stories (with occasional 2 people bands).
I only include businesses generating significant revenues. In this context it’s around $5k/mo...
bt RSS Feed
Dear Apple, Please Fix Safari's Default Dark Mode Link Color
Dear Apple, Please Fix Safari’s Default Dark Mode Link Color
2022-04-18
Supporting dark mode on the...
over a year ago
Dear Apple, Please Fix Safari’s Default Dark Mode Link Color
2022-04-18
Supporting dark mode on the modern web falls under the realm of accessibility and should not be ignored. It is important and helps keep the visual flow of your content to match that of your users’ operating...
macwright.com
Year in Review
The last time I wrote a “year in review” post was 2017, and before that in 2012. Reading my old...
12 months ago
The last time I wrote a “year in review” post was 2017, and before that in 2012. Reading my old writing is nostalgic and horrific.
By the numbers, 2023 was pretty normal: I read around 20 books, ran around 400 miles. It’s funny how the statistics even out to the same numbers...
swyx's site RSS Feed
Why I Moved Off Dev.to
2 years ago I [moved all my blogging to Dev.to](https://www.swyx.io/devto-cms). Today [my main blog...
over a year ago
2 years ago I [moved all my blogging to Dev.to](https://www.swyx.io/devto-cms). Today [my main blog is on Github Issues](https://www.swyx.io/github-cms) and [I've just launched DXTips on Hashnode](https://twitter.com/swyx/status/1531330889535602688).
charity.wtf
Choose Boring Technology Culture
Honeycomb recently announced our $50M Series D funding round. We aren’t the type to hype this a lot;...
a year ago
Honeycomb recently announced our $50M Series D funding round. We aren’t the type to hype this a lot; Emily summed it up crisply as, “Living another day on someone else’s money isn’t business success, even though it is a lovely vote of confidence.” Agreed. The vote of confidence...
A Smart Bear
In its emptiness, there is the function of a startup
Everything about a startup changes over time. The few things that don't, are its essence. The voyage...
a year ago
Everything about a startup changes over time. The few things that don't, are its essence. The voyage is meaningless, unless you decide what those things are.
David Gerrells
too many birthdays
I have a hard enough time remembering to take the trash out let alone the birthdays of my massive...
over a year ago
I have a hard enough time remembering to take the trash out let alone the birthdays of my massive family. Does this make me a bad uncle?
A Smart Bear
Intense Asymmetry and Self-Flagellation
Erica Douglass sold her company for $1M, yet still struggles with self-worth; why driven people...
4 weeks ago
Erica Douglass sold her company for $1M, yet still struggles with self-worth; why driven people can't escape Impostor Syndrome.
The Pragmatic...
Why my new audiobook “The Software Engineer's Guidebook” is everywhere except on Audible
Currently, Audible’s position is hurting audiobook authors. My audiobook isn’t on Audible due to a...
a week ago
Currently, Audible’s position is hurting audiobook authors. My audiobook isn’t on Audible due to a mix of their monopolistic pricing practices, and the company’s own complacency in how long they take to approve new titles.
Epic Web Dev
Prisma Typed SQL Queries (tip)
3 months ago
Joel Gascoigne
The quiet pivot
* Tweet [https://twitter.com/share]
*
* Buffer [http://bufferapp.com/add]
*
In the last 6...
over a year ago
* Tweet [https://twitter.com/share]
*
* Buffer [http://bufferapp.com/add]
*
In the last 6 months, we’ve quietly shifted the direction of Buffer. Our
adjustment is now almost complete and we’re charging ahead with our new vision.
It’s interesting to reflect on how we came...
Paolo Amoroso's...
Managing pure Common Lisp files on Medley
<![CDATA[Managing Lisp code in the residential environment of Medley differs from similar tasks in...
10 months ago
<![CDATA[Managing Lisp code in the residential environment of Medley differs from similar tasks in traditional file based Common Lisp systems.
In a previous post I explained how the residential environment of Medley works, discussed some of its facilities and tools, and...
swyx's site RSS Feed
Why do Webdevs keep trying to kill REST?
How I broke out of the tiresome REST vs GraphQL debate - by realizing that the real battle is...
over a year ago
How I broke out of the tiresome REST vs GraphQL debate - by realizing that the real battle is between Smart Clients and Smart Servers!
Liz Denys
Liz rides the subway on May 9, 2016
Liz rides the subway is a series containing thoughts I have on the subway, mostly as an experiment...
over a year ago
Liz rides the subway is a series containing thoughts I have on the subway, mostly as an experiment to get me to write more. On today's commutes to and from work:
A Fine Frenzy's "Rangers" is a much more poetic song than Taylor Swift's awkwardly similar "I Know Places." A hunted...
Alice GG
A love letter to Apache Echarts
In the world of software development, I believe the 7th circle of hell is called “NPM”.
It’s a place...
10 months ago
In the world of software development, I believe the 7th circle of hell is called “NPM”.
It’s a place where you can find Javascript libraries that make great promises only to disappoint you once you actually import them.
I know this because I even wrote one.
When you find a gem...
TokyoDev
Web Accessibility in Japan: What Developers Need to Know
Many people with disabilities use assistive technology, which allows them to access websites in ways...
a year ago
Many people with disabilities use assistive technology, which allows them to access websites in ways different from most people. People who are blind, for example, use screen readers to convert website content into audio. Some use braille displays. There are also people who use...
Making software...
My Cheapskate Commenting System
My Cheapskate Commenting System
2022-02-03
My blog now has comments! Well, kind of...
I went down a...
over a year ago
My Cheapskate Commenting System
2022-02-03
My blog now has comments! Well, kind of...
I went down a two day long rabbit-hole trying to find the best solution for implementing comments on my static website (generated via Jekyll FYI). There are a ton of options out there and many...
ntietz.com blog
My first impressions from a few weeks with Lean and Coq
For the last few weeks, some of us have been working through learning about interactive theorem...
over a year ago
For the last few weeks, some of us have been working through learning about interactive theorem proving together at Recurse Center.
I've been curious about proof assistants since undergrad, and finally have the time, space, and peers to dive into it with.
It's been an interesting...
The Codist
The Unreasonable Ineffectiveness of Estimates
In my long career, I've dealt with many different kinds of estimating, from the early days in the...
a year ago
In my long career, I've dealt with many different kinds of estimating, from the early days in the 1980s when there was no estimating because no one had any idea how to do it to my last job where estimation was always demanded but never actually relevant.
In
PostHog's RSS Feed
Don’t bother securing your trademarks in the beginning
Disclaimer: This is intended as a short, tactical guide to getting your trademarks sorted out for...
over a year ago
Disclaimer: This is intended as a short, tactical guide to getting your trademarks sorted out for the first time, on a minimal budget. This is not…
Alice GG
Why diversification matters for long-term investors? Meet Shannon's Demon
Any introduction to finance will mention that diversification is extremely important.
Intuitively,...
a year ago
Any introduction to finance will mention that diversification is extremely important.
Intuitively, it is easy to understand that diversification reduces risks.
If I own stocks in two companies, and one of them goes bankrupt, I lose less than if I had invested all my money in...
swyx's site RSS Feed
Mimicry vs Reflexivity
Two opposing forces that describe how perception and reality do battle.
over a year ago
Two opposing forces that describe how perception and reality do battle.
TokyoDev
自営業している開発者の事例
![itnomikainagoya](https://www.tokyodev.com/rails/active_storage/blobs/redirect/eyJfcmFpbHMiOnsibWVz...
over a year ago
![itnomikainagoya](https://www.tokyodev.com/rails/active_storage/blobs/redirect/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaHBBaFVsIiwiZXhwIjpudWxsLCJwdXIiOiJibG9iX2lkIn19--0fd0bbea7ce4fe8a41672eaf8df9cc22c297bbb0/itnomikainagoya.jpg)
[IT飲み会名古屋](http://www.it-nomikai.jp/nagoya/before-info/...
A Beautiful Site
JavaScript functions for basename and dirname
Here are two JavaScript functions that mimic their PHP cousins.
basename() #
function basename(path)...
over a year ago
Here are two JavaScript functions that mimic their PHP cousins.
basename() #
function basename(path) {
return path.replace(/.*\//, '');
}
dirname() #
function dirname(path) {
return path.match(/.*\//);
}
Unlike their PHP cousins, these functions do not support paths...
Joel Gascoigne
Why you should continue working on your bad idea
* Tweet [https://twitter.com/share]
*
* Buffer [http://bufferapp.com/add]
*
> "The brick...
over a year ago
* Tweet [https://twitter.com/share]
*
* Buffer [http://bufferapp.com/add]
*
> "The brick walls are there for a reason. The brick walls are not there to keep
us out; the brick walls are there to give us a chance to show how badly we want
something. The brick walls are...
ᕕ( ᐛ )ᕗ Herman's...
Why Pictures
For a brief period circa 2016 I wrote and published a weekly webcomic. I wanted to run a successful...
9 months ago
For a brief period circa 2016 I wrote and published a weekly webcomic. I wanted to run a successful webcomic along the lines of Poorly Drawn Lines, Oglaf, or The Oatmeal. I love reading these and am always thrilled when one pops up on my RSS feed.
Prior to this experiment I...
ntietz.com blog
The phrase "good enough" isn't fit for purpose
Words matter.
First impressions matter.
I'm reading The Pragmatic Programmer in a book club, and...
a year ago
Words matter.
First impressions matter.
I'm reading The Pragmatic Programmer in a book club, and there's a section titled "Good-Enough Software".
In it, the authors expand that "the phrase 'good enough' does not imply sloppy or poorly produced code" and that it must still meet...
Making software...
What Happened to Self-Hosted Blogs?
What Happened to Self-Hosted Blogs?
2018-10-18
I remember a time on the internet1 when everyone and...
over a year ago
What Happened to Self-Hosted Blogs?
2018-10-18
I remember a time on the internet1 when everyone and their grandmother was running a personal blog. And I mean personal - not hosted on some side platform or a tacked-on addition to the rest of their website.
Nowadays companies and...
macwright.com
Hiding Peloton and Zwift workouts on Strava by ()
I love Strava, and a lot of my friends do too. And some of them do most of their workouts with...
a year ago
I love Strava, and a lot of my friends do too. And some of them do most of their workouts with Peloton, Swift, and other “integrations.” It’s great for them, but the activities just look like ads for Peloton and don’t have any of the things that I like about Strava’s...
swyx's site RSS Feed
Make your own Dev.to CMS livestream - Part 2
This is day 2 of my livecode Dev.to CMS. See [Day 1...
over a year ago
This is day 2 of my livecode Dev.to CMS. See [Day 1 here](https://dev.to/swyx/make-your-own-dev-to-cms-livestream-part-1-2ad1)
Confessions of a...
Recording: How Hyper-Threading Works — A Microarchitectural Perspective
Last weekend, we did a live session on the architecture of the hyper-threading (simultaneous...
5 months ago
Last weekend, we did a live session on the architecture of the hyper-threading (simultaneous multithreading) implementation in Intel’s x86 processors.
Jim Nielsen’s Blog
Counting to Ten
We’re sitting around the dinner table discussing what happened at school today and it leads us to...
a year ago
We’re sitting around the dinner table discussing what happened at school today and it leads us to the subject of counting to ten.
Realizing everyone in the family can count to ten in a language unique to them at this moment in their life, we go around the table to do it...
Julia Evans
Reasons I still love the fish shell
I wrote about how much I love fish in this blog post from 2017 and, 7 years
of using it every day...
3 months ago
I wrote about how much I love fish in this blog post from 2017 and, 7 years
of using it every day later, I’ve found even more reasons to love it. So I
thought I’d write a new post with both the old reasons I loved it and some
reasons.
This came up today because I was trying to...
PostHog's RSS Feed
Array 1.9.0
First, learn how PostHog raised $3M for our open source project . We could not have done it without...
over a year ago
First, learn how PostHog raised $3M for our open source project . We could not have done it without this community - thank you for all your issues…
bunnie's blog
Automated Stitching of Chip Images
This is the final post in a series about non-destructively inspecting chips with the IRIS...
8 months ago
This is the final post in a series about non-destructively inspecting chips with the IRIS (Infra-Red, in-situ) technique. Here are links to previous posts: This post will cover the software used to stitch together smaller images generated by the control software into a single...
Irrational...
Friction isn't velocity.
When you’re driving a car down a road, you might get a bit stuffy and decide
to roll your windows...
9 months ago
When you’re driving a car down a road, you might get a bit stuffy and decide
to roll your windows down. The air will flow in, the wind will get louder,
and the sensation of moving will intensify. Your engine will start working a bit
harder–and louder–to maintain the same...
A Smart Bear
Product/Market Fit: Experience & Data
Companies that achieve Product/Market Fit -- both self-funded and VC-funded -- exhibit the same...
a year ago
Companies that achieve Product/Market Fit -- both self-funded and VC-funded -- exhibit the same prototypical metrics curves and subjective experiences.
Irrational...
2022 in review.
Previously: 2021, 2020, 2019, 2018, 2017
After the past two years, it’s odd to write an annual...
over a year ago
Previously: 2021, 2020, 2019, 2018, 2017
After the past two years, it’s odd to write an annual reflection where my first thoughts are happy rather than bleak.
The truth is that there is a lot of bleak out there right now–just look at the layoffs and the funding environment–but...
PostHog's RSS Feed
Why we ditched ‘talk to sales’ for transparent pricing
"I wonder how much this SaaS product costs to..." "Contact sales!" 😤 Contact. Sales. Two words that...
over a year ago
"I wonder how much this SaaS product costs to..." "Contact sales!" 😤 Contact. Sales. Two words that embody everything we hate about modern SaaS…
Jim Nielsen’s Blog
Quality Means The Flexibility to Change
Here’s Ben Nadal quoting Dave Farley:
I've come to the belief that the only definition of quality in...
a month ago
Here’s Ben Nadal quoting Dave Farley:
I've come to the belief that the only definition of quality in code that makes any sense is our ability to change the code. If it's easy to change, it's high quality; if it's hard to change, it's not.
Then Ben comments:
I'm sure that some...
the singularity is...
The Elon Swing Voter
I’m getting on a plane back to America tonight, been away for over 3 months. It sort of fills me...
2 weeks ago
I’m getting on a plane back to America tonight, been away for over 3 months. It sort of fills me with dread and anxiety. I remember going to the Apple store before I was leaving, the uhhhhhhh from the sales people was awful. 0 pride. Nobody cares. So different from the sales...
Kagi Blog
Summarize anything with the Universal Summarizer
Universal Summarizer ( https://kagi.com/summarizer ) is an AI-powered tool for instantly summarizing...
a year ago
Universal Summarizer ( https://kagi.com/summarizer ) is an AI-powered tool for instantly summarizing just about any content of any type and any length, by simply providing a URL address (and soon ( #roadmap ) by uploading a file).
swyx's site RSS Feed
Switching to Android after 13 years of iOS
I have used iPhone/iOS for the longest time. Last month I switched to OnePlus 6T/Android. Here are...
over a year ago
I have used iPhone/iOS for the longest time. Last month I switched to OnePlus 6T/Android. Here are my impressions.
TokyoDev
Discount coupons for babysitters in Japan via a government subsidy
In 2016, the government started giving [financial support to parents who use...
a year ago
In 2016, the government started giving [financial support to parents who use babysitters](https://www.kantei.go.jp/jp/headline/taikijido/pdf/h28yosan_sankou5.pdf). Babysitters are very expensive in Japan for most families, so it’s usually not an option for many parents. But at...
Liz Denys
Pointillism rose
Sharpie on computer paper, Photoshop to brighten the colors.
over a year ago
Sharpie on computer paper, Photoshop to brighten the colors.
Liz Denys
Introducing Loose Leaf Security, and our first episode: Securing your online account passwords
I just launched a new project with Geoffrey Thomas: Loose Leaf Security, a podcast about making good...
over a year ago
I just launched a new project with Geoffrey Thomas: Loose Leaf Security, a podcast about making good computer security for everyone. We believe you don't need to be a software engineer or security professional to understand how to keep your devices and data safe. In every...
Seán Barry
A Realisation About Fitness
No matter how much I run, or how much I lift weights, it never gets easier. There's always a part of...
a year ago
No matter how much I run, or how much I lift weights, it never gets easier. There's always a part of me that wants to stop, and there's always another part of me fighting to push through. This is how I deal with that internal battle.
Epic Web Dev
TypeScript: What’s the Point?! (article)
TypeScript elevates JavaScript with static typing, offering scalable, maintainable code despite...
9 months ago
TypeScript elevates JavaScript with static typing, offering scalable, maintainable code despite initial challenges.
Julia Evans
Terminal colours are tricky
Yesterday I was thinking about how long it took me to get a colorscheme in my
terminal that I was...
2 months ago
Yesterday I was thinking about how long it took me to get a colorscheme in my
terminal that I was mostly happy with (SO MANY YEARS), and it made me wonder
what about terminal colours made it so hard.
So I asked people on Mastodon what problems
they’ve run into with colours in the...
Alice GG
How to publish your Godot game on Mac
Since 2019, Apple has required all MacOS software to be signed and notarized.
This is meant to...
3 months ago
Since 2019, Apple has required all MacOS software to be signed and notarized.
This is meant to prevent naive users from installing malware while running software from unknown sources.
Since this process is convoluted, it stops many indie game developers from releasing their Godot...
Quentin Santos
Beware Rust Buffering
This article is about a small pitfall I stumbled uopen Rust. Since it took me relatively too much...
3 months ago
This article is about a small pitfall I stumbled uopen Rust. Since it took me relatively too much time to figure it out, I made this article as a reminder. Also, there is a post scriptum, also about buffers, but not about Rust. While writing my article about Linux pipes, I needed...
David Heinemeier...
The compounding seeds of creativity
Early on in my career, I learned a very important lesson about creativity: It can’t be saved for...
10 months ago
Early on in my career, I learned a very important lesson about creativity: It can’t be saved for later. Creativity is perishable, just like inspiration. It has to be discharged regularly or it will spoil. And if you let enough of it go to waste, eventually your talents will sour...
PostHog's RSS Feed
The most popular Heap alternatives and competitors, compared
The most popular Heap alternatives in 2023 are: PostHog: All-in-one platform that combines...
a year ago
The most popular Heap alternatives in 2023 are: PostHog: All-in-one platform that combines comprehensive analytics with session replay, A/B testing…
Irrational...
Eng org seniority-mix model.
One of the trademarks of private equity ownership is the expectation that either the company...
a month ago
One of the trademarks of private equity ownership is the expectation that either the company maintains their current margin
and grows revenue at 25-30%, or they instead grow slower and increase their free cash flow year over year.
In many organizations, engineering costs have a...
Epic Web Dev
Support Responsive Favicons for a Professional Look (tip)
Create a responsive favicon that adapts to the user's system preference for light or dark mode.
a year ago
Create a responsive favicon that adapts to the user's system preference for light or dark mode.
PostHog's RSS Feed
In-depth: The AARRR pirate funnel explained
Want to build an AARRR funnel in PostHog? Use our AARRR dashboard template to set one up quickly...
a year ago
Want to build an AARRR funnel in PostHog? Use our AARRR dashboard template to set one up quickly and easily. What is the AARRR framework? The AARRR…
A Smart Bear
Worse, but unique
An objectively "worse" strategy can win, if it leverages something unique or unexpected. Startups...
a year ago
An objectively "worse" strategy can win, if it leverages something unique or unexpected. Startups can use this concept to beat incumbents.
ᕕ( ᐛ )ᕗ Herman's...
The Apple Vision Pro and the future of workspaces
Around the beginning of 2022, my girlfriend and I were taking a hike overlooking Camps Bay. And...
a year ago
Around the beginning of 2022, my girlfriend and I were taking a hike overlooking Camps Bay. And while the vistas were gorgeous, I was waving my arms about and describing the future of virtual reality. Having worked as a game developer in the VR space for several years (back...
Making software...
Mini Interactive Keyboard with Pure CSS
Mini Interactive Keyboard with Pure CSS
2020-05-13
Lately, I've become obsessed with trying to see...
over a year ago
Mini Interactive Keyboard with Pure CSS
2020-05-13
Lately, I've become obsessed with trying to see what I can create using only HTML and CSS (besides websites of course). Since playing with the concept of faking 3D elements, I wanted to circle back around to an older CodePen I...
Darek Kay
Git explained: Commit ranges
Git's log and diff commands are useful for inspecting your repository changes. Both commands accept...
over a year ago
Git's log and diff commands are useful for inspecting your repository changes. Both commands accept ranges of commits in different formats, which can be confusing. In this post, I will shed some light on the differences between a b, a..b and a...b commit ranges. Check out the...
Ruud van Asseldonk
An algorithm for shuffling playlists
a year ago
bt RSS Feed
Pure CSS Simple Dropdown Plugin
Pure CSS Simple Dropdown Plugin
2018-09-20
I find myself blowing away default browser select styling...
over a year ago
Pure CSS Simple Dropdown Plugin
2018-09-20
I find myself blowing away default browser select styling and implementing my own custom dropdowns far more often than I’d like. So, I recently created a very simple and clean component using just pure CSS.
Check out the CodePen below...
A Beautiful Site
Stop trying to build the next unicorn
So, you're building the next big thing? You say you're going to make millions and have a fancy...
over a year ago
So, you're building the next big thing? You say you're going to make millions and have a fancy office building out in the valley? That's cool. By the same odds we'll both be rich, because I'm holding tonight's winning lotto ticket.
Your idea probably won't be the next big thing...
macwright.com
You can finally use :has() in most places by
The hot new thing in CSS is :has() and Firefox finally supports it, starting today - so the...
a year ago
The hot new thing in CSS is :has() and Firefox finally supports it, starting today - so the compatibility table is pretty decent (89% at this writing). I already used has() in a previous post - that Strava CSS hack, but I’m finding it useful in so many places.
For example, in Val...
Jake Zimmerman
Using my iPhone as a travel laptop
3 months ago
Joel Gascoigne
6 suggestions for an aspiring founder
* Tweet [https://twitter.com/share]
*
* Buffer [http://bufferapp.com/add]
*
This article is...
over a year ago
* Tweet [https://twitter.com/share]
*
* Buffer [http://bufferapp.com/add]
*
This article is inspired by Startup Edition [http://startupedition.com] in
response to “What advice would you give young entrepreneurs?”
I feel incredibly lucky that I managed to jump on board...
Paolo Amoroso's...
NoteCards visited a website for the first time
<![CDATA[Success!
My WebCard prototype made NoteCards visit a site on the World-Wide Web for the...
2 months ago
<![CDATA[Success!
My WebCard prototype made NoteCards visit a site on the World-Wide Web for the first time. Think of it as a wormhole that connects the old world of hypertext with the new world of the modern web. WebCard, a NoteCards extension for visiting websites, is my...
David Gerrells
why everyone hates levels
Levelsio and I go way back, like 8 years back. I first met him on the twitter when I came across the...
4 months ago
Levelsio and I go way back, like 8 years back. I first met him on the twitter when I came across the “indie hacker” scene.
Josh Comeau's blog
Becoming a Software Developer Without a CS Degree
A look at how hundreds of developers got their start in the industry despite not having a Computer...
over a year ago
A look at how hundreds of developers got their start in the industry despite not having a Computer Science or Software Engineering degree. We'll sort responses into 6 categories, and detail strategies that you can use to ensure you capture the attention of potential employers!
swyx's site RSS Feed
Avoiding Flash of Unthemed Code
If your site has a dark mode or custom theme, you might have a flash of the default theme before...
over a year ago
If your site has a dark mode or custom theme, you might have a flash of the default theme before JavaScript loads. Here is the solution.
swyx's site RSS Feed
Unsupervised Learning: Randomized Optimization
Hill Climbing, Simulated Annealing, Genetic Algorithms, oh my!
over a year ago
Hill Climbing, Simulated Annealing, Genetic Algorithms, oh my!
Making software...
Designers Need Thicker Skin
Designers Need Thicker Skin
2017-07-10
I'm not normally one to comment or even really care about...
over a year ago
Designers Need Thicker Skin
2017-07-10
I'm not normally one to comment or even really care about "drama" within our design industry. Opinions are just that and should just be consumed at face value. But this week I was moderately annoyed with a subset of designers in...
Liz Denys
Save Congestion Pricing!
Gov. Kathy Hochul has announced an intention to "indefinitely pause" the scheduled rollout of...
6 months ago
Gov. Kathy Hochul has announced an intention to "indefinitely pause" the scheduled rollout of congestion pricing on June 30.
Your voice is urgently needed to stand up for a funded MTA with increased accessibility, a healthy planet, and good government in New York. Stop a $15...
Elad Blog
MegaCycles in Tech & Crypto
Every 8-10 years, the technology industry used to go through a boom and bust cycle. A new technology...
over a year ago
Every 8-10 years, the technology industry used to go through a boom and bust cycle. A new technology or platform would emerge, there would be rampant investment and speculation, a few strong hypergrowth survivors would emerge and most of the rest of the new startups would...
Seldo.com
There's no such thing as the fundamentals of web development
a year ago
ntietz.com blog
Licensing can be joyful (and legally dubious)
Software licenses are a reflection of our values.
How you choose to license a piece of software says...
2 months ago
Software licenses are a reflection of our values.
How you choose to license a piece of software says a lot about what you want to achieve with it.
Do you want to reach the maximum amount of users?
Do you want to ensure future versions remain free and open source?
Do you want to...
bt RSS Feed
Width or Flex-Basis?
Width or Flex-Basis?
2018-11-28
Creating rows and columns of elements that adapt dynamically can be...
over a year ago
Width or Flex-Basis?
2018-11-28
Creating rows and columns of elements that adapt dynamically can be a little tricky depending on the desired outcome. Let’s breakdown how to solve this issue using both inline-block paired with width and flex-basis.
Width
Setting the width of the...
A Beautiful Site
Smoothly scroll to an element without a jQuery plugin
You know that special effect where you click on a link and your browser smoothly scrolls down to the...
over a year ago
You know that special effect where you click on a link and your browser smoothly scrolls down to the appropriate section of the page? Pretty slick, right? Here are a couple snippets so you can do the same thing on your own website.
Scroll to a specific element #
Here's how to...
A Smart Bear
When you have nothing: How to find potential customers to interview
How do you find potential customers to interview before you have a product, a website, or even a...
12 hours ago
How do you find potential customers to interview before you have a product, a website, or even a name?
Steve Klabnik
An introduction to economics under capitalism
over a year ago
swyx's site RSS Feed
Branding Bundles
The best way to communicate a group of benefits is to slap a label on it.
over a year ago
The best way to communicate a group of benefits is to slap a label on it.
Julia Evans
Building a custom site for zine feedback
Hello! A few years I wrote a post called A new way I’m getting feedback on my posts: beta...
a year ago
Hello! A few years I wrote a post called A new way I’m getting feedback on my posts: beta readers!
about how I’d started using beta readers.
The basic strategy for getting feedback there was to email people a PDF and ask
for feedback. This was kind of inefficient, and so over the...
swyx's site RSS Feed
Cheatsheet for moving from Master to Main
Notes I have collected on how to renaming the Git default/primary branch
over a year ago
Notes I have collected on how to renaming the Git default/primary branch
PostHog's RSS Feed
We ship whenever
PostHog ships every two weeks, unless it makes more sense not to. Why? Iterating frequently helps...
over a year ago
PostHog ships every two weeks, unless it makes more sense not to. Why? Iterating frequently helps improve our product. We get features in users’ hands…
the singularity is...
nuke/acc
I wrote a tweet about this but deleted it, since it’s a much more nuanced topic than can be...
3 weeks ago
I wrote a tweet about this but deleted it, since it’s a much more nuanced topic than can be discussed there. Nuclear weapons are the Chekhov’s gun on the world stage.
When, if ever, are they going to be fired? When should they be?
I suspect this is not a question a lot of people...
the singularity is...
…and now we see what is possible
Every 70 years America goes through a revolutionary transition. Washington, Lincoln, FDR, now?
The...
a month ago
Every 70 years America goes through a revolutionary transition. Washington, Lincoln, FDR, now?
The Republicans now control the Presidency, the House, the Senate, and the Supreme Court. Is that everything? Does government power lie there, like we are told, or is it all secretly...
Don Melton
That bleeping kerfuffle
After I posted that link to my latest podcast with Rene Ritchie, several folks alerted me via...
over a year ago
After I posted that link to my latest podcast with Rene Ritchie, several folks alerted me via Twitter that all my colorful metaphors had been “bleeped” on the audio.
I didn’t realize that because I hadn’t listened to the recording myself. And I don’t normally listen to my own...
Marco.org
Overcast 5: Watch, Siri, search, and redesign!
I apologize for the low battery level. Busy day.
It all started with the watchOS volume...
over a year ago
I apologize for the low battery level. Busy day.
It all started with the watchOS volume widget.
You see, Overcast’s previous Apple Watch app really sucked. I did my best with the capabilities of watchOS 1–4, but I couldn’t give people what they really wanted:
Standalone podcast...
A Beautiful Site
Don't hate on PHP
It wasn't long after launching a major open source PHP project until I started hearing things like...
over a year ago
It wasn't long after launching a major open source PHP project until I started hearing things like this:
I [...] immediately drop interest in a project when I see that it is implemented in PHP.
A lot of people have been hating on PHP in recent years, and frankly, they have every...
Vladimir Klepov as a...
Build better libraries, use dev warnings
Suppose you're making a cool library that sums numbers in an array. You add a new option, inital,...
over a year ago
Suppose you're making a cool library that sums numbers in an array. You add a new option, inital, that lets users specify an initial value for the summation:
sum([1, 1, 1], { inital: 10 }) // 13
Oh no! You made a typo — of course you meant initial, not inital. What's done is...
ntietz.com blog
Betraying vim for the IDEs of March
vim is my text editor soulmate1.
But I've gone and done a Brutus by betraying vim and using a...
a year ago
vim is my text editor soulmate1.
But I've gone and done a Brutus by betraying vim and using a different editor.
And I did it on March 15th2, the Ides of March.
Or is it the IDEs of March?
The betrayal happened slowly, then all at once.
For the past few weeks I've been ruminating...
alexwlchan
flapi.sh: a tiny command-line tool for experimenting with the Flickr API →
I use the Flickr API pretty much every day in my day job.
Within the first week, I bashed together a...
8 months ago
I use the Flickr API pretty much every day in my day job.
Within the first week, I bashed together a couple of command-line tools to make a simple tool for exploring the API.
They’re not meant for building “proper” apps, more for quick experiments and seeing what API responses...
swyx's site RSS Feed
Supervised Learning: Classification Learning & Decision Trees
The simplest form of Classification algorithm
over a year ago
The simplest form of Classification algorithm
Josh Collinsworth
Introducing Svelte, and Comparing Svelte with React and Vue
Svelte is a new style of framework for building sites and apps. Let's dive into what makes it...
over a year ago
Svelte is a new style of framework for building sites and apps. Let's dive into what makes it different, why it's so enjoyable, and how it's able to ship such tiny, fast apps.
Darek Kay
Countercheck unit tests
Test-driven development (TDD) is a good technique for making sure that our code matches the...
over a year ago
Test-driven development (TDD) is a good technique for making sure that our code matches the requirements. With frontend unit tests, it is often necessary to countercheck our requirements. In this post I will use React and testing-library, but the underlying problem can be applied...
Krzysztof Kowalczyk...
How I use Roam Research
I take lots of notes and I’m always looking for that perfect note taking app.
Because I take a lot...
over a year ago
I take lots of notes and I’m always looking for that perfect note taking app.
Because I take a lot of notes, mobile-first note taking apps (e.g. Google’s Keep) are of no interest to me.
To me most important thing is:
lowest possible friction in adding new notes
fast way of...
Tinker, Tamper,...
Making Good Bug Reports
Many, many years ago, this was with Bugzilla in the early 2000s, I got my first automated lecture on...
4 months ago
Many, many years ago, this was with Bugzilla in the early 2000s, I got my first automated lecture on what constitutes a good bug report. I probably didn’t pay attention. Since then, I’ve seen this list countless times, in various levels of detail, across a broad array of...
Tinker, Tamper,...
How To Use PyJWT With Django In A Resource Server And Still Keep Parts Of Your Sanity
The OAuth2 spec cleanly separates the role of Authorization Server (AS) from that of Resource Server...
4 months ago
The OAuth2 spec cleanly separates the role of Authorization Server (AS) from that of Resource Server (RS). The role of the AS, and the whole OAUTH2 dance, is to get an access token that will be accepted by a RS.It’s puzzling. It should be easy, nay, trivial, to implement the...
Tinloof - Blog
A basic introduction to functional programming principles in ReasonML
Functional programming is a programming paradigm based on several principles such as immutability...
over a year ago
Functional programming is a programming paradigm based on several principles such as immutability and purity.
ReasonML extends the functional language OCaml and compiles to JavaScript.
This article aims to introduce you to some very basic functional principles present in...
Liz Denys
A simple summer salad of fennel, edamame, and onion
I went most of my life without having fennel. Then one day I had it roasted, the next raw, and I was...
over a year ago
I went most of my life without having fennel. Then one day I had it roasted, the next raw, and I was in love. Surprising, given that I'm not very partial to anise flavoring.
While fennel is very versatile to cook with - you can boil, braise, fry, grill, roast, sauté, or steam it...
Greg Brockman
OpenAI Five Finals Intro
The text of my speech introducing OpenAI Five at Saturday’s OpenAI Five Finals event, where our AI...
over a year ago
The text of my speech introducing OpenAI Five at Saturday’s OpenAI Five Finals event, where our AI beat the world champions at Dota 2:
“Welcome everyone. This is an exciting day.
First, this is an historic moment: this will be the first time that an AI has even attempted to play...
Confessions of a...
Live Session: CPython Memory Management Internals
Last week we concluded the live session on the internals of the CPython’s main bytecode interpreter...
7 months ago
Last week we concluded the live session on the internals of the CPython’s main bytecode interpreter (the VM), and the response from the attendees has been very encouraging. Next, I want to talk about how CPython implements memory management in its runtime. Most programming...
The Pragmatic...
How Games Typically Get Built
The differences between games development and more “standard” software engineering, roles, and how...
a year ago
The differences between games development and more “standard” software engineering, roles, and how games are typically built.
swyx's site RSS Feed
Turning the Static Dynamic with Gatsby + Netlify Functions + Netlify Identity
Gatsby is great for not only static sites but also traditional web applications. You can add...
over a year ago
Gatsby is great for not only static sites but also traditional web applications. You can add authentication and serverless functionality and get up and running incredibly quickly with Netlify - here's how.
Making software...
My Static Blog Publishing Setup and an Apology to RSS Subscribers
My Static Blog Publishing Setup and an Apology to RSS Subscribers
2022-03-21
In case you missed it,...
over a year ago
My Static Blog Publishing Setup and an Apology to RSS Subscribers
2022-03-21
In case you missed it, this website is now generated with pure HTML & CSS. Although, generated isn't the proper way to describe it anymore. Written is a better description.
No more Markdown files. No...
Julia Evans
"Rules" that terminal programs follow
Recently I’ve been thinking about how everything that happens in the terminal
is some combination...
a week ago
Recently I’ve been thinking about how everything that happens in the terminal
is some combination of:
Your operating system’s job
Your shell’s job
Your terminal emulator’s job
The job of whatever program you happen to be running (like top or vim or cat)
The first three (your...
alexwlchan
Making a PDF that’s larger than Germany
I was browsing social media this morning, and I saw a claim I’ve seen go past a few times now – that...
10 months ago
I was browsing social media this morning, and I saw a claim I’ve seen go past a few times now – that there’s a maximum size for a PDF document:
Terrible Maps
@TerribleMaps
Maximum size of a PDF, version 7: 381 km × 381...
Josh Collinsworth
Social Media, Compulsion, and the 12 Things I Learned on My Break from Facebook
I’m beginning to believe that becoming more connected with everyone is making me less connected with...
over a year ago
I’m beginning to believe that becoming more connected with everyone is making me less connected with anyone.
Alex Meub
Install JSDOM On Windows
JSDOM is an awesome node package for simulating a browser environment. It’s a NodeJS implementation...
over a year ago
JSDOM is an awesome node package for simulating a browser environment. It’s a NodeJS implementation of the DOM that makes it super easy to work with pages retrieved from the Internet. Unfortunately, JSDOM relies on a node package called Contextify that is difficult to get working...
Epic Web Dev
Making Use of Code Coverage (article)
Dive into the contentious world of code coverage. Learn its nuances, pitfalls, and practical...
10 months ago
Dive into the contentious world of code coverage. Learn its nuances, pitfalls, and practical applications for modern web app testing