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Fujifilm Instax Wide 300 to Mamiya Press mount mod How I modified an Instax Wide instant camera to mount a Mamiya Press medium format lens The post...
24th May 2020
113

Fujifilm Instax Wide 300 to Mamiya Press mount mod

from Style over Substance [alt+shift+b] in technology

24th May 2020
How I modified an Instax Wide instant camera to mount a Mamiya Press medium format lens The post Fujifilm Instax Wide 300 to Mamiya Press mount mod appeared first on Style over Substance.
Don't be afraid of RAID Introduction I sense this sentiment on the internet that RAID is dangerous, that the likelihood of...
22nd May 2020
32

Don't be afraid of RAID

from Louwrentius - Solar [alt+shift+b] in technology

22nd May 2020
Introduction I sense this sentiment on the internet that RAID is dangerous, that the likelihood of your RAID array failing during a rebuild is almost a certainty, because hard drives have become so large. I think nothing is further from the truth and I would like to dispel this...
Joining Spotify in Sweden Image source Life in Japan All the things that I knew about Japan turned out to be true, as soon as...
22nd May 2020
21

Joining Spotify in Sweden

from Himanshu Mishra | orkohunter.net RSS Feed [alt+shift+b] in technology

22nd May 2020
Image source Life in Japan All the things that I knew about Japan turned out to be true, as soon as I arrived here 8 months ago. Japan is a…
Why I don't take sponsorships Last year I made that video in response to a sponsorship offer that I got from various VPN...
20th May 2020
24

Why I don't take sponsorships

from Simply Explained [alt+shift+b] in technology

20th May 2020
Last year I made that video in response to a sponsorship offer that I got from various VPN providers. They all told me the same thing: our service is the best way to protect your privacy, and we were hoping you could convey this message in one of your videos.So I decided to do...
JSON and PowerShell Working with Object-based arrays in PowerShell can be a challenge; but here's a trick that will...
11th May 2020
31

JSON and PowerShell

from Opsbros [alt+shift+b] in technology

11th May 2020
Working with Object-based arrays in PowerShell can be a challenge; but here's a trick that will allow you to manipulate these objects efficiently.
Scalable application design without magic I needed to design a scalable backend infrastructure that could handle lots of concurrent users. I...
10th May 2020
28

Scalable application design without magic

from Willem's Blog [alt+shift+b] in technology

10th May 2020
I needed to design a scalable backend infrastructure that could handle lots of concurrent users. I did this by leveraging the client's computing power having it handle most of the user interaction workload.
Scalable application design without magic As part of the online food ordering app I'm building, I needed to design a scalable backend...
10th May 2020
1

Scalable application design without magic

from Willem L. Middelkoop [alt+shift+b] in technology

10th May 2020
As part of the online food ordering app I'm building, I needed to design a scalable backend infrastructure that could handle lots of concurrent users. Scalability is considered a hard problem to tackle. Often it's presented like it's something magical, done by million dollar...
How I wrote a book using Pollen I wrote an online book using Pollen, a static site generator in Racket. An earlier post contains my...
3rd May 2020
26

How I wrote a book using Pollen

from Jonas Hietala [alt+shift+b] in technology

3rd May 2020
I wrote an online book using Pollen, a static site generator in Racket. An earlier post contains my first impressions of it, but as the book is now completed I think I can summarize some implementation details in more detail with this post. I really like the markup language and...
The Farmer's Hotel My first piece of work by O'Hara, shockingly, and it was a cute little three act play filled with as...
3rd May 2020
1

The Farmer's Hotel

from Writing [alt+shift+b] in technology

3rd May 2020
My first piece of work by O'Hara, shockingly, and it was a cute little three act play filled with as much drinking and death as I'd been led to believe.
The Farmer's Hotel My first piece of work by O'Hara, shockingly, and it was a cute little three act play filled with as...
3rd May 2020
1

The Farmer's Hotel

from Applied Cartography [alt+shift+b] in technology

3rd May 2020
My first piece of work by O'Hara, shockingly, and it was a cute little three act play filled with as much drinking and death as I'd been led to believe.
Writing a SQL database from scratch in Go: 3. indexes Previously in database basics: 1. SELECT, INSERT, CREATE and a REPL 2. binary expressions...
1st May 2020
23

Writing a SQL database from scratch in Go: 3. indexes

from Notes on software development [alt+shift+b] in technology

1st May 2020
Previously in database basics: 1. SELECT, INSERT, CREATE and a REPL 2. binary expressions and WHERE filters 4. a database/sql driver In this post, we extend gosql to support indexes. We focus on the addition of PRIMARY KEY constraints on table creation and some easy...
April 2020 gwern.net newsletter This is the April 2020 edition of the gwern.net newsletter; previous, March 2020 (archives).
1st May 2020
21

April 2020 gwern.net newsletter

from Gwern.net Newsletter [alt+shift+b] in technology

1st May 2020
This is the April 2020 edition of the gwern.net newsletter; previous, March 2020 (archives).
Minor site updates As it happens I got a little tired of the syntax highlighter Pandoc uses so on a whim I started...
29th Apr 2020
22

Minor site updates

from Jonas Hietala [alt+shift+b] in technology

29th Apr 2020
As it happens I got a little tired of the syntax highlighter Pandoc uses so on a whim I started looking at moving to Pygments as my highlighter. With some searching around I found a blog post about just that! That’s lucky because while I like Haskell, I’ve never really grocked it...
Software is Polluting the World Sustainable UX: A design approach to reducing carbon emissions
29th Apr 2020
1

Software is Polluting the World

from Kent de Bruin [alt+shift+b] in technology

29th Apr 2020
Sustainable UX: A design approach to reducing carbon emissions
The Making Of Stunt Island How Stunt Island from IBM PC was programmed back in 1992!
21st Apr 2020
1

The Making Of Stunt Island

from Fabien Sanglard [alt+shift+b] in technology

21st Apr 2020
How Stunt Island from IBM PC was programmed back in 1992!
Monitoring my 3D printer with a Pi Zero, Home Assistant and TinyCore Linux Many devices in my home have become "smart" over the last couple of months, with one big exception:...
20th Apr 2020
28

Monitoring my 3D printer with a Pi Zero, Home Assistant and TinyCore Linux

from Simply Explained [alt+shift+b] in technology

20th Apr 2020
Many devices in my home have become "smart" over the last couple of months, with one big exception: my trusty 3D printer. It's a super reliable Prusa i3 MK3, but it lacks an internet connection.So I decided to use a Pi Zero to keep track of my 3D prints and send the progress to...
BigBasket slot alert BigBasket is the leading online grocery delivery portal in India, due to the reduced workforce and...
19th Apr 2020
20

BigBasket slot alert

from Abishek Muthian [alt+shift+b] in technology

19th Apr 2020
BigBasket is the leading online grocery delivery portal in India, due to the reduced workforce and extraordinary demand; the bookings happen at random slots and we have no other choice but to keep checking the app regularly. A need gap was posted recently, asking for a solution...
Talking tablets: what makes a great tablet? Over the past few weeks I worked with Microsoft Surface Pro X to see if it is any good, can it be...
13th Apr 2020
24

Talking tablets: what makes a great tablet?

from Willem's Blog [alt+shift+b] in technology

13th Apr 2020
Over the past few weeks I worked with Microsoft Surface Pro X to see if it is any good, can it be your main computer?
Talking tablets: what makes a great tablet? Earlier this year Microsoft released their brand new Surface Pro X tablet computer, in many ways...
13th Apr 2020
1

Talking tablets: what makes a great tablet?

from Willem L. Middelkoop [alt+shift+b] in technology

13th Apr 2020
Earlier this year Microsoft released their brand new Surface Pro X tablet computer, in many ways this is a forward thinking device. As I like working with tablets I wondered what exactly makes a great tablet? Is Surface Pro X any good? Read along to find out. Surface Pro X Unlike...
The impact of the MDADM bitmap on RAID performance Introduction I'm aware that most people with intensive storage workloads won't run those workloads...
6th Apr 2020
38

The impact of the MDADM bitmap on RAID performance

from Louwrentius - Solar [alt+shift+b] in technology

6th Apr 2020
Introduction I'm aware that most people with intensive storage workloads won't run those workloads on hard drives anymore, that ship has sailed a long time ago. SSDs have taken their place (or 'the cloud'). For those few left who do use hard drives in Linux software RAID setups...
PEP8Speaks - Now helping 5,000 open source projects write neat and clean Python What is this project? 🐍 PEP8Speaks = PEP 8 + Speaks GitHub:...
5th Apr 2020
20

PEP8Speaks - Now helping 5,000 open source projects write neat and clean Python

from Himanshu Mishra | orkohunter.net RSS Feed [alt+shift+b] in technology

5th Apr 2020
What is this project? 🐍 PEP8Speaks = PEP 8 + Speaks GitHub: https://github.com/OrkoHunter/pep8speaks PEP 8 is Python's recommended coding…
Studying foreign languages with inbox zero The only time I've been able to seriously, rapidly improve my ability to speak a foreign language...
4th Apr 2020
24

Studying foreign languages with inbox zero

from Notes on software development [alt+shift+b] in technology

4th Apr 2020
The only time I've been able to seriously, rapidly improve my ability to speak a foreign language was through intensive language courses in college. I was forced to actively speak, read, and write Chinese for 6-8 hours a week (1-2 hours every day). Then study another 5-10 hours a...
Emma this was so fun. i am reminded of walter scott's description of austen as a flemish painter: "[the]...
1st Apr 2020
1

Emma

from Writing [alt+shift+b] in technology

1st Apr 2020
this was so fun. i am reminded of walter scott's description of austen as a flemish painter: "[the] subjects are not often elegant and certainly never grand; but they are finished up to nature, and with a precision which delights the reader"
Emma this was so fun. i am reminded of walter scott's description of austen as a flemish painter: "[the]...
1st Apr 2020
1

Emma

from Applied Cartography [alt+shift+b] in technology

1st Apr 2020
this was so fun. i am reminded of walter scott's description of austen as a flemish painter: "[the] subjects are not often elegant and certainly never grand; but they are finished up to nature, and with a precision which delights the reader"
Volumer I've always wanted a good USB volume control, so I decided to design one.
21st Mar 2020
25

Volumer

from Opsbros [alt+shift+b] in technology

21st Mar 2020
I've always wanted a good USB volume control, so I decided to design one.
Understanding Storage Performance - IOPS and Latency Introduction The goal of this blogpost is to help you better understand storage performance. I want...
21st Mar 2020
79

Understanding Storage Performance - IOPS and Latency

from Louwrentius - Solar [alt+shift+b] in technology

21st Mar 2020
Introduction The goal of this blogpost is to help you better understand storage performance. I want to discuss some fundamentals that are true regardless of your particular needs. This will help you better reason about storage and may provide a scaffolding for further learning....
Securing Your GitHub Account Let's talk about some of the simple & practical steps you can take to improve your GitHub account...
11th Mar 2020
23

Securing Your GitHub Account

from Ian's Blog [alt+shift+b] in technology

11th Mar 2020
Let's talk about some of the simple & practical steps you can take to improve your GitHub account security. There's plenty of good reasons why you should try to keep any online account safe, but I feel that GitHub deserves special attention among developers. With automation...
COVID-19 temperature correlation A user on needgap posted a problem of not being able to find graphs showing confirmed COVID-19 cases...
11th Mar 2020
24

COVID-19 temperature correlation

from Abishek Muthian [alt+shift+b] in technology

11th Mar 2020
A user on needgap posted a problem of not being able to find graphs showing confirmed COVID-19 cases and local weather data such as temperature. The reason for reputed agencies not publishing such graph is likely to prevent misinformation and possibly to avoid governments getting...
Never attribute to stupidity that which is adequately explained by opportunity cost Hanlon's razor is a classic aphorism I'm sure you have heard before: Never attribute to malice that...
10th Mar 2020
28

Never attribute to stupidity that which is adequately explained by opportunity cost

from Home on Erik Bernhardsson [alt+shift+b] in technology

10th Mar 2020
Hanlon's razor is a classic aphorism I'm sure you have heard before: Never attribute to malice that which can be adequately explained by stupidity. I've found that neither malice nor stupidity is the most common reason when you don't understand why something is in a certain way.
Riding the Risk Railway When building and operating a user-facing system, especially one that is open to the public, it is...
9th Mar 2020
25

Riding the Risk Railway

from Matt Blewitt [alt+shift+b] in technology

9th Mar 2020
When building and operating a user-facing system, especially one that is open to the public, it is important to consider the riskiness of a user, which can also be characterised as trustworthiness. These will typically be negatively correlated, with low trust indicating high risk...
Writing a SQL database from scratch in Go: 1. SELECT, INSERT, CREATE and a REPL Next in database basics: 2. binary expressions and WHERE filters 3. indexes 4. a...
6th Mar 2020
25

Writing a SQL database from scratch in Go: 1. SELECT, INSERT, CREATE and a REPL

from Notes on software development [alt+shift+b] in technology

6th Mar 2020
Next in database basics: 2. binary expressions and WHERE filters 3. indexes 4. a database/sql driver In this series we'll write a rudimentary database from scratch in Go. Project source code is available on Github. In this first post we'll build enough of a parser to...
The beautiful machine 20 years later, I have built an other PC!
6th Mar 2020
1

The beautiful machine

from Fabien Sanglard [alt+shift+b] in technology

6th Mar 2020
20 years later, I have built an other PC!
Monolithic vs Microservices software architecture This week I flew to Gothenburg to talk about enterprise software architecture, read along to learn...
2nd Mar 2020
29

Monolithic vs Microservices software architecture

from Willem's Blog [alt+shift+b] in technology

2nd Mar 2020
This week I flew to Gothenburg to talk about enterprise software architecture, read along to learn about choosing the right architecture for your app development
Monolithic vs Microservices software architecture This week I flew to Gothenburg to meet people from a large international shipping company, talking...
2nd Mar 2020
1

Monolithic vs Microservices software architecture

from Willem L. Middelkoop [alt+shift+b] in technology

2nd Mar 2020
This week I flew to Gothenburg to meet people from a large international shipping company, talking about the development of enterprise level software. During the meeting there were various experts in the room, one of them asked me on choosing the right software architecture (for...
Test suites as classifiers Suppose we have some codebase we’re considering applying some patch to, and which has a robust and...
1st Mar 2020
24

Test suites as classifiers

from Posts on Made of Bugs [alt+shift+b] in technology

1st Mar 2020
Suppose we have some codebase we’re considering applying some patch to, and which has a robust and maintained test suite. Considering the patch, we may ask, is this patch acceptable to apply and deploy. By this we mean to ask if the patch breaks any important functionality,...
How to Do Nothing: Resisting the Attention Economy a bad book with a good thesis. the author warns you of its incoherence early on, which is a shame...
1st Mar 2020
1

How to Do Nothing: Resisting the Attention Economy

from Writing [alt+shift+b] in technology

1st Mar 2020
a bad book with a good thesis. the author warns you of its incoherence early on, which is a shame because there are very good pieces of logos amidst the circumlocution
How to Do Nothing: Resisting the Attention Economy a bad book with a good thesis. the author warns you of its incoherence early on, which is a shame...
1st Mar 2020
1

How to Do Nothing: Resisting the Attention Economy

from Applied Cartography [alt+shift+b] in technology

1st Mar 2020
a bad book with a good thesis. the author warns you of its incoherence early on, which is a shame because there are very good pieces of logos amidst the circumlocution
How to build your own Goodman ZONE camera, part 2 The Goodman ZONE is a medium-format 3D-printed film camera designed by Dora Goodman as part of her...
21st Feb 2020
104

How to build your own Goodman ZONE camera, part 2

from Style over Substance [alt+shift+b] in technology

21st Feb 2020
The Goodman ZONE is a medium-format 3D-printed film camera designed by Dora Goodman as part of her range of open-source camera models, using the existing Mamiya Press lens series for glass and the Mamiya RB67 backs to hold film. She sells pre-printed kits that contain all the...
Sputnik Sweetheart Murakami feels more and more like an old friend with whom I feel comfortable: most of the...
18th Feb 2020
1

Sputnik Sweetheart

from Writing [alt+shift+b] in technology

18th Feb 2020
Murakami feels more and more like an old friend with whom I feel comfortable: most of the conversations and stories are ones we've had before, but it is still fun to banter and to rehash old arguments and think about the good times.
Sputnik Sweetheart Murakami feels more and more like an old friend with whom I feel comfortable: most of the...
18th Feb 2020
1

Sputnik Sweetheart

from Applied Cartography [alt+shift+b] in technology

18th Feb 2020
Murakami feels more and more like an old friend with whom I feel comfortable: most of the conversations and stories are ones we've had before, but it is still fun to banter and to rehash old arguments and think about the good times.
The day I sold my car This week I sold my car, I now no longer own one. I look back at my years of owning a sports car, if...
12th Feb 2020
65

The day I sold my car

from Willem's Blog [alt+shift+b] in technology

12th Feb 2020
This week I sold my car, I now no longer own one. I look back at my years of owning a sports car, if you're looking for a reason to buy one you should check this out.
The day I sold my car This week I sold my car, I now no longer own one. For me, this is something of a change as over the...
12th Feb 2020
1

The day I sold my car

from Willem L. Middelkoop [alt+shift+b] in technology

12th Feb 2020
This week I sold my car, I now no longer own one. For me, this is something of a change as over the years I owned various sports cars that were like a hobby to me. My discovery of cycling and the birth of my son changed this. But if you're looking for a reason to buy a sports...
Home Energy Monitor: V2 My DIY home energy monitor has been running for almost a year now. It's been recording my...
11th Feb 2020
22

Home Energy Monitor: V2

from Simply Explained [alt+shift+b] in technology

11th Feb 2020
My DIY home energy monitor has been running for almost a year now. It's been recording my electricity consumption every second and everything is neatly archived in my AWS account.Still, though, there is room for improvement. It's time to look back, evaluate & improve the design....
BFS vs DFS in friendships If you already know and remember what Breadth First Search (BFS) and Depth First Search (DFS) are,...
9th Feb 2020
24

BFS vs DFS in friendships

from Himanshu Mishra | orkohunter.net RSS Feed [alt+shift+b] in technology

9th Feb 2020
If you already know and remember what Breadth First Search (BFS) and Depth First Search (DFS) are, skip to What are you saying? Take my…
Reflections on software performance At this point in my career, I’ve worked on at least three projects where performance was a defining...
3rd Feb 2020
24

Reflections on software performance

from Posts on Made of Bugs [alt+shift+b] in technology

3rd Feb 2020
At this point in my career, I’ve worked on at least three projects where performance was a defining characteristic: Livegrep, Taktician, and Sorbet (I discussed sorbet in particular last time, and livegrep in an earlier post). I’ve also done a lot of other performance work on the...
A minimal REST API in Java There's a style of Java that is a joy to write. This post will cover how to set up a basic...
1st Feb 2020
30

A minimal REST API in Java

from Notes on software development [alt+shift+b] in technology

1st Feb 2020
There's a style of Java that is a joy to write. This post will cover how to set up a basic PostgreSQL-integrated REST API using Jersey and JOOQ in a style not dissimilar to Flask and SQLAlchemy in Python. In particular, we'll try to avoid as much runtime reflection/class-loading...
Difference of behavior in SATA Solid State Drives Introduction Update: I've noticed some strange behavior of SSDs when benchmarking them with FIO....
28th Jan 2020
21

Difference of behavior in SATA Solid State Drives

from Louwrentius - Solar [alt+shift+b] in technology

28th Jan 2020
Introduction Update: I've noticed some strange behavior of SSDs when benchmarking them with FIO. After further investigation and additional testing, I've found the reason for the strange patterns in the graphs. The 'strange' test results are due to the fact that they were...
Software Sprezzatura Sprezzatura is “a certain nonchalance, so as to conceal all art and make whatever one does or says...
26th Jan 2020
26

Software Sprezzatura

from Matt Blewitt [alt+shift+b] in technology

26th Jan 2020
Sprezzatura is “a certain nonchalance, so as to conceal all art and make whatever one does or says appear to be without effort and almost without any thought about it”, coined by Castiglione in 1528’s The Book of the Courtier.
Improve your sleep by blocking light I have been wearing a sleep mask in bed, blocking all light. It has been amazing for my sleep's...
23rd Jan 2020
23

Improve your sleep by blocking light

from Willem's Blog [alt+shift+b] in technology

23rd Jan 2020
I have been wearing a sleep mask in bed, blocking all light. It has been amazing for my sleep's quality. Read along for my findings!
Improve your sleep by blocking light Over the past few weeks I have been experimenting with wearing a sleep mask in bed, blocking all...
23rd Jan 2020
1

Improve your sleep by blocking light

from Willem L. Middelkoop [alt+shift+b] in technology

23rd Jan 2020
Over the past few weeks I have been experimenting with wearing a sleep mask in bed, blocking all light. Our bodies produce the sleep hormone, melatonin, in darkness. Living in an environment awash in artificial light, is therefore exactly the sort of thing that disrupts one's...
How To Sell Sales at a startup is counter-intuitive.
18th Jan 2020
23

How To Sell

from Nabeel S. Qureshi [alt+shift+b] in technology

18th Jan 2020
Sales at a startup is counter-intuitive.
Record/Replay testing in Sorbet In 2017 and 2018, I (along with Paul Tarjan and Dmitry Petrashko) was a founding member of the...
13th Jan 2020
27

Record/Replay testing in Sorbet

from Posts on Made of Bugs [alt+shift+b] in technology

13th Jan 2020
In 2017 and 2018, I (along with Paul Tarjan and Dmitry Petrashko) was a founding member of the Sorbet project at Stripe to build a gradual static typechecking system for Ruby, with the aim of enhancing productivity on Stripe’s millions of lines of Ruby, and eventually producing a...
How to hire smarter than the market: a toy model Let's consider a toy model where you're hiring for two things and that those are equally valuable....
13th Jan 2020
25

How to hire smarter than the market: a toy model

from Home on Erik Bernhardsson [alt+shift+b] in technology

13th Jan 2020
Let's consider a toy model where you're hiring for two things and that those are equally valuable. It's not very important what those are, so let's just call them “thing A” and “thing B” for now.
Multitasking on ESP32 with Arduino and FreeRTOS By now, it's no secret that the ESP32 is my go-to chip for making IoT devices. They're small,...
6th Jan 2020
23

Multitasking on ESP32 with Arduino and FreeRTOS

from Simply Explained [alt+shift+b] in technology

6th Jan 2020
By now, it's no secret that the ESP32 is my go-to chip for making IoT devices. They're small, powerful, have a ton of onboard features, and they're relatively easy to program.However, when using it together with Arduino, all your code runs on a single core. That seems a bit...
Agatha Christie’s Poirot Delightful. I’d recommend pacing out your consumption a bit more than we did — like the books...
3rd Jan 2020
1

Agatha Christie’s Poirot

from Writing [alt+shift+b] in technology

3rd Jan 2020
Delightful. I’d recommend pacing out your consumption a bit more than we did — like the books themselves, and perhaps like the format writ large, the formula wears a bit thin and obvious when you’re giving yourself ninety minutes of it each night — but Suchet’s acting is...
Agatha Christie’s Poirot Delightful. I’d recommend pacing out your consumption a bit more than we did — like the books...
3rd Jan 2020
1

Agatha Christie’s Poirot

from Applied Cartography [alt+shift+b] in technology

3rd Jan 2020
Delightful. I’d recommend pacing out your consumption a bit more than we did — like the books themselves, and perhaps like the format writ large, the formula wears a bit thin and obvious when you’re giving yourself ninety minutes of it each night — but Suchet’s acting is...
The Polygons of Another World Let's kick off the year with a series about Another World!
1st Jan 2020
1

The Polygons of Another World

from Fabien Sanglard [alt+shift+b] in technology

1st Jan 2020
Let's kick off the year with a series about Another World!
Serializing and deserializing a Cookie Jar I needed a way to "freeze" a Faraday connection, and then recover it .. but the cookie jar was...
1st Jan 2020
1

Serializing and deserializing a Cookie Jar

from Yazin Alirhayim [alt+shift+b] in technology

1st Jan 2020
I needed a way to "freeze" a Faraday connection, and then recover it .. but the cookie jar was getting in the way.
Whoop strap review: 24/7 wearable sensor The past months I have been wearing the WHOOP Strap 3.0, a wearable sensor that collects health and...
30th Dec 2019
1

Whoop strap review: 24/7 wearable sensor

from Willem L. Middelkoop [alt+shift+b] in technology

30th Dec 2019
The past months I have been wearing the WHOOP Strap 3.0, a wearable sensor that collects health and fitness data. It's different compared to most other fitness bands as it was designed with professional athletes in mind. It is focussed on daily strain, recovery and sleep. Read...
Game of Thrones Okay, so, Game of Thrones.
28th Dec 2019
1

Game of Thrones

from Writing [alt+shift+b] in technology

28th Dec 2019
Okay, so, Game of Thrones.
2019 2019 was pretty great. here are the highlights:
25th Dec 2019
1

2019

from Applied Cartography [alt+shift+b] in technology

25th Dec 2019
2019 was pretty great. here are the highlights:
Two kinds of testing While talking about thinking about tests and testing in software engineering recently, I’ve come to...
24th Dec 2019
28

Two kinds of testing

from Posts on Made of Bugs [alt+shift+b] in technology

24th Dec 2019
While talking about thinking about tests and testing in software engineering recently, I’ve come to the conclusion that there are (at least) two major ideas and goals that people have when they test or talk about testing. This post aims to outline what I see as these two schools,...
Table Stakes This is a short post on what I see are table stakes for any new user-facing service, security-wise....
19th Dec 2019
24

Table Stakes

from Matt Blewitt [alt+shift+b] in technology

19th Dec 2019
This is a short post on what I see are table stakes for any new user-facing service, security-wise. Mostly focused on user-focused, rather than intra-service, considerations.
Uber Money, Uber Everything? A critical review of Uber's move into payments
19th Dec 2019
1

Uber Money, Uber Everything?

from Kent de Bruin [alt+shift+b] in technology

19th Dec 2019
A critical review of Uber's move into payments
Benchmarking a 1.44 MB floppy drive I've used fio - a storage benchmarking tool - to benchmark a 1.44 MB floppy drive to gauge its...
16th Dec 2019
24

Benchmarking a 1.44 MB floppy drive

from Louwrentius - Solar [alt+shift+b] in technology

16th Dec 2019
I've used fio - a storage benchmarking tool - to benchmark a 1.44 MB floppy drive to gauge its random I/O performance. I have no real reason for doing this. I just thought it was funny. I've run a benchmark against the floppy drives for different queue depths. The results are...
A friendly game of Twilight Imperium A few weeks ago I played my first game of Twilight Imperium (Fourth Edition). It was fantastic. We...
11th Dec 2019
31

A friendly game of Twilight Imperium

from Jonas Hietala [alt+shift+b] in technology

11th Dec 2019
A few weeks ago I played my first game of Twilight Imperium (Fourth Edition). It was fantastic. We were six players, most had played the third edition before. As I was quite hyped before the game, I had read up on the rules, watched a let’s play or two and listened to a podcast...
We're hiring at Better Just a quick note that my team is always hiring at Better. A lot of new people have been joining the...
9th Dec 2019
21

We're hiring at Better

from Home on Erik Bernhardsson [alt+shift+b] in technology

9th Dec 2019
Just a quick note that my team is always hiring at Better. A lot of new people have been joining the team here in NYC lately—the tech team has actually grown from 35 to 60 in just ~3 months.
Writing a lisp compiler from scratch in JavaScript: 6. an x86 upgrade Previously in compiler basics: 1. lisp to assembly 2. user-defined functions and variables ...
8th Dec 2019
29

Writing a lisp compiler from scratch in JavaScript: 6. an x86 upgrade

from Notes on software development [alt+shift+b] in technology

8th Dec 2019
Previously in compiler basics: 1. lisp to assembly 2. user-defined functions and variables 3. LLVM 4. LLVM conditionals and compiling fibonacci 5. LLVM system calls This post upgrades the ulisp x86 backend from using a limited set of registers (with no spilling...
ESP32: Tips to increase battery life Running an ESP32 on a battery is a tricky operation. The chip is a powerhouse, and with power comes...
4th Dec 2019
55

ESP32: Tips to increase battery life

from Simply Explained [alt+shift+b] in technology

4th Dec 2019
Running an ESP32 on a battery is a tricky operation. The chip is a powerhouse, and with power comes great responsibility. In this post, I’ll outline how I got an ESP32 to run for over 15 weeks (and counting) on a single 1000mAh battery.
Strike Commander: Interview with Frank Savage There is a playful way to study the architecture of computers of the past. Find a piece of software...
3rd Dec 2019
1

Strike Commander: Interview with Frank Savage

from Fabien Sanglard [alt+shift+b] in technology

3rd Dec 2019
There is a playful way to study the architecture of computers of the past. Find a piece of software you know well and try to find out how it was ported to these machine you don't...
The Meem app: it sucks I've been using Meem, the first digital-only bank in the Middle East, for about a year now. I...
1st Dec 2019
1

The Meem app: it sucks

from Yazin Alirhayim [alt+shift+b] in technology

1st Dec 2019
I've been using Meem, the first digital-only bank in the Middle East, for about a year now. I absolutely hate their app.
Confusion and disengagement in meetings The quickest way to cut through confusion or disagreement among otherwise amiable and honest folks...
30th Nov 2019
26

Confusion and disengagement in meetings

from Notes on software development [alt+shift+b] in technology

30th Nov 2019
The quickest way to cut through confusion or disagreement among otherwise amiable and honest folks is to ask questions. Ask early so you don't waste time. But it's not enough to just ask clarifying questions because the answers won't always be clear. Sounds like Human Interaction...
Fio-plot: creating nice charts from FIO storage benchmark data New release of fio-plot I've rewritten fio-plot, a tool that turns FIO benchmark data into nice...
27th Nov 2019
41

Fio-plot: creating nice charts from FIO storage benchmark data

from Louwrentius - Solar [alt+shift+b] in technology

27th Nov 2019
New release of fio-plot I've rewritten fio-plot, a tool that turns FIO benchmark data into nice charts. It allows you to create four types of graphs which will be discussed below. The github project page explains how to run this tool. Fio-plot also includes a benchmark script...
Building a professional 72TB NAS This month I installed a professional HPE ProLiant DL380p server in a datacenter in Amsterdam, read...
21st Nov 2019
35

Building a professional 72TB NAS

from Willem's Blog [alt+shift+b] in technology

21st Nov 2019
This month I installed a professional HPE ProLiant DL380p server in a datacenter in Amsterdam, read this post to see how this was done!
Building a professional 72TB NAS Over the past few years I have been moving my data and work from local computers (mostly laptops)...
21st Nov 2019
1

Building a professional 72TB NAS

from Willem L. Middelkoop [alt+shift+b] in technology

21st Nov 2019
Over the past few years I have been moving my data and work from local computers (mostly laptops) into the cloud. Cloud computing is done by servers in a datacenter, powerful computers that do the hard work. As my company grew, I needed more capacity. It was time to add some...
The architecture of declarative configuration management With the ongoing move towards “infrastructure-as-code” and similar notions, there’s been an ongoing...
12th Nov 2019
31

The architecture of declarative configuration management

from Posts on Made of Bugs [alt+shift+b] in technology

12th Nov 2019
With the ongoing move towards “infrastructure-as-code” and similar notions, there’s been an ongoing increase in the number and popularity of declarative configuration management tools. This post attempts to lay out my mental model of the conceptual architecture and internal...
A trip down NBA Jam graphics pipeline I took some time to study how NBA Jam arcade cabinet worked. Here is what I learned.
28th Oct 2019
1

A trip down NBA Jam graphics pipeline

from Fabien Sanglard [alt+shift+b] in technology

28th Oct 2019
I took some time to study how NBA Jam arcade cabinet worked. Here is what I learned.
Hamilton I was not a Hamilton hater exactly (I, like many other snoots, didn’t hate Hamilton so much as I...
28th Oct 2019
1

Hamilton

from Writing [alt+shift+b] in technology

28th Oct 2019
I was not a Hamilton hater exactly (I, like many other snoots, didn’t hate Hamilton so much as I hated the people who, for a brief but painful time, were really, really into Hamilton) but I certainly was not a huge fan until Haley roped me into listening to the soundtrack. I...
Hamilton I was not a Hamilton hater exactly (I, like many other snoots, didn’t hate Hamilton so much as I...
28th Oct 2019
1

Hamilton

from Applied Cartography [alt+shift+b] in technology

28th Oct 2019
I was not a Hamilton hater exactly (I, like many other snoots, didn’t hate Hamilton so much as I hated the people who, for a brief but painful time, were really, really into Hamilton) but I certainly was not a huge fan until Haley roped me into listening to the soundtrack. I...
Thoughts on User Safety: 2 Following up from last time, let’s explore the internal and insider fronts when moving beyond...
23rd Oct 2019
28

Thoughts on User Safety: 2

from Matt Blewitt [alt+shift+b] in technology

23rd Oct 2019
Following up from last time, let’s explore the internal and insider fronts when moving beyond security towards safety for our users.
We moved away from the city When me and my girlfriend Veronica moved to Linköping to study at the University the plan was never...
18th Oct 2019
21

We moved away from the city

from Jonas Hietala [alt+shift+b] in technology

18th Oct 2019
When me and my girlfriend Veronica moved to Linköping to study at the University the plan was never to stay there permanently. We just moved there to study but the longterm plan, if you can have one at that stage, was always to move back to the north of Sweden where we came...
Buffet lines are terrible, but let's try to improve them using computer simulations My company has a buffet every Friday, and the lines grow to epic proportions when the food arrives....
16th Oct 2019
22

Buffet lines are terrible, but let's try to improve them using computer simulations

from Home on Erik Bernhardsson [alt+shift+b] in technology

16th Oct 2019
My company has a buffet every Friday, and the lines grow to epic proportions when the food arrives. I've suspected for years that the “classic” buffet line system is a deeply flawed and inefficient method, and every time I'm stuck in the line has made me more convinced.
Interpreting Go After spending some time at work on tooling for keeping documentation in sync with Go struct...
12th Oct 2019
28

Interpreting Go

from Notes on software development [alt+shift+b] in technology

12th Oct 2019
After spending some time at work on tooling for keeping documentation in sync with Go struct definitions I had enough exposure to Go's built-in parsing package that next steps were clear: write an interpreter. It's a great way to get more comfortable with a language's AST. In...
Multi-Window support in your iPad app Take advantage of the improved support for multiple windows on iPadOS by implementing new UI...
6th Oct 2019
29

Multi-Window support in your iPad app

from Willem's Blog [alt+shift+b] in technology

6th Oct 2019
Take advantage of the improved support for multiple windows on iPadOS by implementing new UI concepts enabling different use cases for your app.
Multi-Window support in your iPad app Last month Apple released iPadOS, the first dedicated operating system for iPad. It differs from iOS...
6th Oct 2019
1

Multi-Window support in your iPad app

from Willem L. Middelkoop [alt+shift+b] in technology

6th Oct 2019
Last month Apple released iPadOS, the first dedicated operating system for iPad. It differs from iOS with its support for the larger iPad screen, including multi / split screen windows. I develop apps and it was time to take advantage of these new possibilities that iPadOS...
Part 1: Will greater access to capital spark Bahrain's economy? Many claim that a lack of capital is THE primary reason behind lackluster productivity in the...
5th Oct 2019
1

Part 1: Will greater access to capital spark Bahrain's economy?

from Yazin Alirhayim [alt+shift+b] in technology

5th Oct 2019
Many claim that a lack of capital is THE primary reason behind lackluster productivity in the economy. Let's explore this question.
Administering Kubernetes is hard Kubernetes is easy to use after some exposure; it's pretty convenient too. But it is super hard to...
30th Sep 2019
25

Administering Kubernetes is hard

from Notes on software development [alt+shift+b] in technology

30th Sep 2019
Kubernetes is easy to use after some exposure; it's pretty convenient too. But it is super hard to set up. eksctl is a good tool for folks who don't want to spend hours/days/weeks debugging VPC configuration in 1000s of lines of CloudFormation. None of the other tools seem to be...
Comment on Why I’m Switching Web Hosts by Hitesh Sahni Great post Lars. I have had my fair share of issues with Godaddy, and then Bluehost. I finally found...
29th Sep 2019
1

Comment on Why I’m Switching Web Hosts by Hitesh Sahni

from Comments for Lars Lofgren [alt+shift+b] in technology

29th Sep 2019
Great post Lars. I have had my fair share of issues with Godaddy, and then Bluehost. I finally found satisfaction with SiteGround. The only reason GoDaddy is still in business is because of their heavy online and offline advertising. My WordPress website has not yet reached...
Miscellaneous unsolicited (and possibly biased) career advice No one asked for this, but I'm something like ~12 years into my career and have had my fair share of...
26th Sep 2019
26

Miscellaneous unsolicited (and possibly biased) career advice

from Home on Erik Bernhardsson [alt+shift+b] in technology

26th Sep 2019
No one asked for this, but I'm something like ~12 years into my career and have had my fair share of mistakes and luck so I thought I'd share some. Honestly, I feel like I've mostly benefitted from luck.
Submitting a Google Form using the Command Line I use Google Forms alot, and when you do something ALOT, dealing with a web interface can be a drag.
24th Sep 2019
1

Submitting a Google Form using the Command Line

from Yazin Alirhayim [alt+shift+b] in technology

24th Sep 2019
I use Google Forms alot, and when you do something ALOT, dealing with a web interface can be a drag.
22nd Sep 2019
26

Understanding PLONK

from Vitalik Buterin's website [alt+shift+b] in technology

22nd Sep 2019
Thoughts on User Safety We need to move beyond mere security and towards safety for our customers and our users. This is how...
18th Sep 2019
25

Thoughts on User Safety

from Matt Blewitt [alt+shift+b] in technology

18th Sep 2019
We need to move beyond mere security and towards safety for our customers and our users. This is how we can do that.
Fighting backscatter spam at server level Deal with backscatter spam by implementing a stringent SMTP delivery policy at MTA level.
9th Sep 2019
27

Fighting backscatter spam at server level

from Willem's Blog [alt+shift+b] in technology

9th Sep 2019
Deal with backscatter spam by implementing a stringent SMTP delivery policy at MTA level.
Fighting backscatter spam at server level This month I had to deal with backscatter spam, affecting one of the mail servers I manage. As...
9th Sep 2019
1

Fighting backscatter spam at server level

from Willem L. Middelkoop [alt+shift+b] in technology

9th Sep 2019
This month I had to deal with backscatter spam, affecting one of the mail servers I manage. As server engineer I make sure that servers don't send spam and that incoming email gets filtered. Despite all good efforts, this server kept being blacklisted for sending spam to iCloud,...
A Go/C Polyglot Writing a Go/C polyglot Someone on a Slack I’m on recently raised the question of how you might...
5th Sep 2019
31

A Go/C Polyglot

from Posts on Made of Bugs [alt+shift+b] in technology

5th Sep 2019
Writing a Go/C polyglot Someone on a Slack I’m on recently raised the question of how you might write a source file that’s both valid C and Go, commenting that it wasn’t immediately obvious if this was even possible. I got nerdsniped, and succeeded in producing one, which you can...
Unit testing C code with gtest This post covers building and testing a minimal, but still useful, C project. We'll use...
31st Aug 2019
40

Unit testing C code with gtest

from Notes on software development [alt+shift+b] in technology

31st Aug 2019
This post covers building and testing a minimal, but still useful, C project. We'll use Google's gtest and CMake for testing C code. This will serve as a foundation for some upcoming posts/projects on programming Linux, userland networking and interpreters. test/CMakeLists.txt...
Creating a minimal road bike I wondered how hard it would be to make a bike from spare parts I had in my garage
17th Aug 2019
32

Creating a minimal road bike

from Willem's Blog [alt+shift+b] in technology

17th Aug 2019
I wondered how hard it would be to make a bike from spare parts I had in my garage
Creating a minimal road bike Over the past months I have worked on different bikes, leading to an accumulation of spare parts in...
17th Aug 2019
1

Creating a minimal road bike

from Willem L. Middelkoop [alt+shift+b] in technology

17th Aug 2019
Over the past months I have worked on different bikes, leading to an accumulation of spare parts in my garage. I wondered how hard it would be to make a new bike using these spare parts. I decided to take advantage of this moment to refinish some parts, removing excessive decals...
My home lab server with 20 cores / 40 threads and 128 GB memory Update fall 2024 I have decided to decomission this machine and it is no longer in use. As of this...
12th Aug 2019
38

My home lab server with 20 cores / 40 threads and 128 GB memory

from Louwrentius - Solar [alt+shift+b] in technology

12th Aug 2019
Update fall 2024 I have decided to decomission this machine and it is no longer in use. As of this moment, it's replaced by a cluster of four 1L PCs which use about a third of the idle power usage and boot within 20 seconds. The single-core performance of these low-power 1L PCs...
Modeling conversion rates using Weibull and gamma distributions This is a blog post originally featured on the Better engineering blog. If you want to link to this...
5th Aug 2019
25

Modeling conversion rates using Weibull and gamma distributions

from Home on Erik Bernhardsson [alt+shift+b] in technology

5th Aug 2019
This is a blog post originally featured on the Better engineering blog. If you want to link to this article or share it, please go to the original post URL! Separately, I'm sorry it's been so long with no posts on this blog.
All About Apache Cassandra: Snapshots The concept of a "Snapshot" In computing, a snapshot is a point-in-time copy of data or state of a...
27th Jul 2019
26

All About Apache Cassandra: Snapshots

from Ian's Blog [alt+shift+b] in technology

27th Jul 2019
The concept of a "Snapshot" In computing, a snapshot is a point-in-time copy of data or state of a machine. You ever end up doing something like this? Each one of these files is a snapshot, as it's a copy of your essay at the point-in-time when you saved it. Snapshots provide us...
Data Center Monitoring “I like to use sketches to validate ideas quickly, without a lot of investment in the wrong...
25th Jul 2019
20

Data Center Monitoring

from Daniel De Laney [alt+shift+b] in technology

25th Jul 2019
“I like to use sketches to validate ideas quickly, without a lot of investment in the wrong direction.” The Challenge The computing power that runs the world is hidden away in data centers that few people get to see. While many data centers are lights-out operations most of the...
Startup School - How to talk to users 2025 Note - I based this off the Mom Test , written by a fellow YC founder. Interestingly enough -...
25th Jul 2019
1

Startup School - How to talk to users

from Eric Migicovsky's Blog RSS Feed [alt+shift+b] in technology

25th Jul 2019
2025 Note - I based this off the Mom Test , written by a fellow YC founder. Interestingly enough - if you look at the products I build…
Writing an x86 emulator from scratch in JavaScript: 2. system calls Previously in emulator basics: 1. a stack and register machine In this post we'll extend x86e...
20th Jul 2019
27

Writing an x86 emulator from scratch in JavaScript: 2. system calls

from Notes on software development [alt+shift+b] in technology

20th Jul 2019
Previously in emulator basics: 1. a stack and register machine In this post we'll extend x86e to support the exit and write Linux system calls, or syscalls. A syscall is a function handled by the kernel that allows the process to interact with data outside of its memory....
Introducing FamilyCharger Today we launched FamilyCharger - it's designed to be a central place to charge all your devices,...
18th Jul 2019
18

Introducing FamilyCharger

from Elevation Lab - Blog [alt+shift+b] in technology

18th Jul 2019
Today we launched FamilyCharger - it's designed to be a central place to charge all your devices, fast, without clutter. Our initial designs for a family charger started out as big multi-charging docks, but they were too inflexible, expensive, and took up a lot of space....
Food vacation in Japan Me and my friend spent 2 weeks in Japan and had a great time. I wasn’t planning on taking a lot of...
18th Jul 2019
25

Food vacation in Japan

from Jonas Hietala [alt+shift+b] in technology

18th Jul 2019
Me and my friend spent 2 weeks in Japan and had a great time. I wasn’t planning on taking a lot of pictures, but I ended up sending a bunch back home as a ways of keeping my family up to date. When I look back most of them are about food… So I’ll turn this into a post about the...
Optical vs chest strap heart rate monitors Understanding the differences in common HR monitors used in wearables, smartwatches and fitness...
14th Jul 2019
59

Optical vs chest strap heart rate monitors

from Willem's Blog [alt+shift+b] in technology

14th Jul 2019
Understanding the differences in common HR monitors used in wearables, smartwatches and fitness trackers
Optical vs chest strap heart rate monitors With modern wearables, smartwatches and fitness bands, it has become easy and common to measure your...
14th Jul 2019
1

Optical vs chest strap heart rate monitors

from Willem L. Middelkoop [alt+shift+b] in technology

14th Jul 2019
With modern wearables, smartwatches and fitness bands, it has become easy and common to measure your heart rate. There are however fundamental differences in sensor types. Some sensors capture the electrical signal from your heart while others use light to analyse the blood...
Why I’m Switching Web Hosts Recently, I’ve gotten fed up with my web host. Since I stood this site up, I’ve used MediaTemple....
5th Jul 2019
27

Why I’m Switching Web Hosts

from Comments for Lars Lofgren [alt+shift+b] in technology

5th Jul 2019
Recently, I’ve gotten fed up with my web host. Since I stood this site up, I’ve used MediaTemple. This was before WP Engine was around. At the time, MediaTemple had carved out a nice niche for themselves as the premium web host. Tim Ferriss also raved about them back in the day....
Six months with MCADD It's six months since our son was born with MCADD, a good moment to reflect upon the experience of...
23rd Jun 2019
25

Six months with MCADD

from Willem's Blog [alt+shift+b] in technology

23rd Jun 2019
It's six months since our son was born with MCADD, a good moment to reflect upon the experience of being a parent with some thoughts and tips.
Six months with MCADD Tomorrow it's six months since our son was born, a good moment to reflect upon the experience of...
23rd Jun 2019
1

Six months with MCADD

from Willem L. Middelkoop [alt+shift+b] in technology

23rd Jun 2019
Tomorrow it's six months since our son was born, a good moment to reflect upon the experience of being a parent of a kid with MCADD. This metabolic condition demands special attention on the feeding schedule and preparation for situations when things go different. It's good to...
Writing a lisp compiler from scratch in JavaScript: 6. LLVM system calls Previously in compiler basics: 1. lisp to assembly 2. user-defined functions and variables ...
22nd Jun 2019
28

Writing a lisp compiler from scratch in JavaScript: 6. LLVM system calls

from Notes on software development [alt+shift+b] in technology

22nd Jun 2019
Previously in compiler basics: 1. lisp to assembly 2. user-defined functions and variables 3. LLVM 4. LLVM conditionals and compiling fibonacci 5. an x86 upgrade In this post we'll extend the ulisp compiler's LLVM backend to support printing integers to...
Resurrecting Nexus 6P from bootloop of death Nexus Before the Pixel there was Nexus, smartphones and tablets to showcase the latest in android...
14th Jun 2019
23

Resurrecting Nexus 6P from bootloop of death

from Abishek Muthian [alt+shift+b] in technology

14th Jun 2019
Nexus Before the Pixel there was Nexus, smartphones and tablets to showcase the latest in android with the brand of the manufacturer. They packed in latest android version with top end specifications and pathetic camera (processed image/video) quality; no wonder they didn't take...
Artificial Intelligence In 2018 I worked with argodesign on an artificial intelligence client project, and Fast Company...
4th Jun 2019
21

Artificial Intelligence

from Daniel De Laney [alt+shift+b] in technology

4th Jun 2019
In 2018 I worked with argodesign on an artificial intelligence client project, and Fast Company published an article on our work: This Is The World’s First Graphical AI Interface. For confidentiality reasons I can’t publicly go into more detail on the project than to link to that...
Dig for dummies Learn how to use the dig command to query domain name servers to find the source of network...
23rd May 2019
30

Dig for dummies

from Willem's Blog [alt+shift+b] in technology

23rd May 2019
Learn how to use the dig command to query domain name servers to find the source of network problems, IP-addresses, hostnames, mail servers and related info.
Dig for dummies When you're building websites, apps or email services you may run into domain names and their...
23rd May 2019
1

Dig for dummies

from Willem L. Middelkoop [alt+shift+b] in technology

23rd May 2019
When you're building websites, apps or email services you may run into domain names and their configurations. When everything is working as it should, most of this is invisible. But when troubleshooting a domain name configuration, it may be necessary to dig a little deeper......
Game Engine Black Book update The Game Engine Black Books have been updated. Free pdfs, high-quality prints, and source code are...
17th May 2019
1

Game Engine Black Book update

from Fabien Sanglard [alt+shift+b] in technology

17th May 2019
The Game Engine Black Books have been updated. Free pdfs, high-quality prints, and source code are available.
Slay the Spire In lieu of more to say, I think this is the most well-designed game I've ever played. The size of a...
16th May 2019
1

Slay the Spire

from Writing [alt+shift+b] in technology

16th May 2019
In lieu of more to say, I think this is the most well-designed game I've ever played. The size of a given session is perfect for me (45-75 minutes); the difficulty curve is elegant and sloping; variety is strong. I have poured at least a hundred hours into the game and could see...
Slay the Spire In lieu of more to say, I think this is the most well-designed game I've ever played. The size of a...
16th May 2019
1

Slay the Spire

from Applied Cartography [alt+shift+b] in technology

16th May 2019
In lieu of more to say, I think this is the most well-designed game I've ever played. The size of a given session is perfect for me (45-75 minutes); the difficulty curve is elegant and sloping; variety is strong. I have poured at least a hundred hours into the game and could see...
Using Tor outside of the Tor Browser This post shows how to run Tor with a simple PowerShell script and use it in other apps like...
13th May 2019
27

Using Tor outside of the Tor Browser

from Avestura's Blog [alt+shift+b] in technology

13th May 2019
This post shows how to run Tor with a simple PowerShell script and use it in other apps like Telegram...
What the heck is OCSP? The online certificate status protocol, or OCSP for short, is a way for TLS clients (like your web...
9th May 2019
22

What the heck is OCSP?

from Ian's Blog [alt+shift+b] in technology

9th May 2019
The online certificate status protocol, or OCSP for short, is a way for TLS clients (like your web browser) to check if a certificate has been revoked or not. Certificate Revocation? With asymmetrical encryption, your encryption is only as good as long as your private key remains...
9th May 2019
28

Control as Liability

from Vitalik Buterin's website [alt+shift+b] in technology

9th May 2019
Reader/reader blocking in reader/writer locks Abstract In writer-priority reader/writer locks, as soon as a single writer enters the acquisition...
7th May 2019
28

Reader/reader blocking in reader/writer locks

from Posts on Made of Bugs [alt+shift+b] in technology

7th May 2019
Abstract In writer-priority reader/writer locks, as soon as a single writer enters the acquisition queue, all future accesses block behind any in-flight reads. Thus, if any readers hold the lock for extended periods of time, this can lead to extreme pauses and loss of throughput...
Writing a lisp compiler from scratch in JavaScript: 4. LLVM conditionals and compiling fibonacci Previously in compiler basics: 1. lisp to assembly 2. user-defined functions and variables ...
4th May 2019
27

Writing a lisp compiler from scratch in JavaScript: 4. LLVM conditionals and compiling fibonacci

from Notes on software development [alt+shift+b] in technology

4th May 2019
Previously in compiler basics: 1. lisp to assembly 2. user-defined functions and variables 3. LLVM 5. LLVM system calls 6. an x86 upgrade In this post we'll extend the compiler's LLVM backend to support compiling conditionals such that we can support...
Weather, an argument against simulation hypothesis As I am writing this, cyclone Fani with category 4 level winds 215 kph (130 mph) in the Bay of...
2nd May 2019
22

Weather, an argument against simulation hypothesis

from Abishek Muthian [alt+shift+b] in technology

2nd May 2019
As I am writing this, cyclone Fani with category 4 level winds 215 kph (130 mph) in the Bay of Bengal is expected to make landfall in the state of Odisha, India by tomorrow. Over 800,00 evacuated, as 100 million people are expected to be affected by the cyclone. Cyclone Fani is...
Search like a pro: Google search operators Read along for a comprehensive list of advanced Google search operators that allow you to filter...
24th Apr 2019
23

Search like a pro: Google search operators

from Willem's Blog [alt+shift+b] in technology

24th Apr 2019
Read along for a comprehensive list of advanced Google search operators that allow you to filter your search results.
Search like a pro: Google search operators You probably use the world's most famous search engine to find things everyday, but you might not...
24th Apr 2019
1

Search like a pro: Google search operators

from Willem L. Middelkoop [alt+shift+b] in technology

24th Apr 2019
You probably use the world's most famous search engine to find things everyday, but you might not know about some of its advanced search operators. You can use these special search phrases to find things that are otherwise burried in the search results. Read along for a...
Driverless Pizzas How self-driving vehicles and algorithms will change cities
21st Apr 2019
1

Driverless Pizzas

from Kent de Bruin [alt+shift+b] in technology

21st Apr 2019
How self-driving vehicles and algorithms will change cities
Why software projects take longer than you think: a statistical model Anyone who built software for a while knows that estimating how long something is going to take is...
15th Apr 2019
24

Why software projects take longer than you think: a statistical model

from Home on Erik Bernhardsson [alt+shift+b] in technology

15th Apr 2019
Anyone who built software for a while knows that estimating how long something is going to take is hard. It's hard to come up with an unbiased estimate of how long something will take, when fundamentally the work in itself is about solving something.
On Blobs, Files and Data URIs in Javascript A guide to how to use Data URIs, Blobs and Files in Javascript for the complete beginner.
12th Apr 2019
1

On Blobs, Files and Data URIs in Javascript

from Yazin Alirhayim [alt+shift+b] in technology

12th Apr 2019
A guide to how to use Data URIs, Blobs and Files in Javascript for the complete beginner.
My Apollo Bibliography Over the last few years — perhaps not that unusually among the nerds I know — I’ve become...
9th Apr 2019
25

My Apollo Bibliography

from Posts on Made of Bugs [alt+shift+b] in technology

9th Apr 2019
Over the last few years — perhaps not that unusually among the nerds I know — I’ve become increasingly fascinated by the Apollo program (and early space program more generally), and been reading my way through a growing number of books and documentaries written about it. At a...
Letters What did you do?? I have developed a habbit of writing letters to friends and family for the past...
7th Apr 2019
20

Letters

from Himanshu Mishra | orkohunter.net RSS Feed [alt+shift+b] in technology

7th Apr 2019
What did you do?? I have developed a habbit of writing letters to friends and family for the past few years. Today, I made some of them…
Writing a web server from scratch: 1. HTTP and sockets Say we have some HTML: <html> <body> <h1>Hello world!</h1> </body> </html> And say we'd...
6th Apr 2019
30

Writing a web server from scratch: 1. HTTP and sockets

from Notes on software development [alt+shift+b] in technology

6th Apr 2019
Say we have some HTML: <html> <body> <h1>Hello world!</h1> </body> </html> And say we'd like to be able to render this page in a web browser. If the server is hosted locally we may want to enter localhost:9000/hello-world.html in the address bar, hit enter, make a...
Easy setup of a static site on Amazon S3 with SSL I’ve been hosting my site on Amazon S3 for a while now but I never activated SSL for it. I just...
3rd Apr 2019
21

Easy setup of a static site on Amazon S3 with SSL

from Jonas Hietala [alt+shift+b] in technology

3rd Apr 2019
I’ve been hosting my site on Amazon S3 for a while now but I never activated SSL for it. I just never got around to it, probably the usual procrastination. When I had to setup a new site for another project I chose to host on Amazon as well. Although there are many other free...
The story of the Rendition Vérité 1000 The story of how the Rendition v1000 briefly rule the Quake world.
1st Apr 2019
1

The story of the Rendition Vérité 1000

from Fabien Sanglard [alt+shift+b] in technology

1st Apr 2019
The story of how the Rendition v1000 briefly rule the Quake world.
Servicing a robot vacuum cleaner This week it was time for some maintenance on my iRobot Roomba robot vacuum cleaner. Read along to...
19th Mar 2019
34

Servicing a robot vacuum cleaner

from Willem's Blog [alt+shift+b] in technology

19th Mar 2019
This week it was time for some maintenance on my iRobot Roomba robot vacuum cleaner. Read along to learn how I did it.
Servicing a robot vacuum cleaner Back in 2011 I got myself an iRobot Roomba 555 robot vacuum cleaner to automatically clean my...
19th Mar 2019
1

Servicing a robot vacuum cleaner

from Willem L. Middelkoop [alt+shift+b] in technology

19th Mar 2019
Back in 2011 I got myself an iRobot Roomba 555 robot vacuum cleaner to automatically clean my apartment. It's a little circle shaped robot that drives around sucking up dust bunnies. Over the years it has bravely fought the dangers of my apartment... shoes, cables, carpet and...
Writing a lisp compiler from scratch in JavaScript: 3. LLVM Previously in compiler basics: 1. lisp to assembly 2. user-defined functions and variables ...
10th Mar 2019
33

Writing a lisp compiler from scratch in JavaScript: 3. LLVM

from Notes on software development [alt+shift+b] in technology

10th Mar 2019
Previously in compiler basics: 1. lisp to assembly 2. user-defined functions and variables 4. LLVM conditionals and compiling fibonacci 5. LLVM system calls 6. an x86 upgrade In this post we'll extend the compiler to emit LLVM IR as an option instead of...
Home office renovation When we moved back to our childhood community and bought a house I had one pretty big requirement: I...
1st Mar 2019
26

Home office renovation

from Jonas Hietala [alt+shift+b] in technology

1st Mar 2019
When we moved back to our childhood community and bought a house I had one pretty big requirement: I had to have a home office as I need to work remote. There simply isn’t any software development work for me here. So the later part of 2018 and early 2019 we’ve renovated an old...
One year on the ultimate commuter bike Answering questions from one of the most popular posts of last year, I am reviewing my commuter bike...
26th Feb 2019
34

One year on the ultimate commuter bike

from Willem's Blog [alt+shift+b] in technology

26th Feb 2019
Answering questions from one of the most popular posts of last year, I am reviewing my commuter bike after one year of extensive use through winter and summer.
One year on the ultimate commuter bike A year ago I tried to create the ultimate commuter bike, a modified Sensa Cintura with the Gates...
26th Feb 2019
1

One year on the ultimate commuter bike

from Willem L. Middelkoop [alt+shift+b] in technology

26th Feb 2019
A year ago I tried to create the ultimate commuter bike, a modified Sensa Cintura with the Gates CDN/CDX carbon belt drive. I received lots of messages from cyclists and commuters from all over the world. From the Swiss alps, France, Italy, Germany, United States and even "down...
AOT-compilation of Javascript with V8 tldr; I'm working on a AOT-compiled Javascript implementation called jsc. Many dynamically typed...
26th Feb 2019
28

AOT-compilation of Javascript with V8

from Notes on software development [alt+shift+b] in technology

26th Feb 2019
tldr; I'm working on a AOT-compiled Javascript implementation called jsc. Many dynamically typed programming languages have implementations that compile to native binaries: Python: Cython Common Lisp: SBCL Scheme: Chicken Scheme The benefits of compiling dynamically typed...
Headcount goals, feature factories, and when to hire those mythical 10x people When I started building up a tech team for Better, I made a very conscious decision to pay at the...
21st Feb 2019
21

Headcount goals, feature factories, and when to hire those mythical 10x people

from Home on Erik Bernhardsson [alt+shift+b] in technology

21st Feb 2019
When I started building up a tech team for Better, I made a very conscious decision to pay at the high end to get people. I thought this made more sense: they cost a bit more money to hire, but output usually more than compensates for it.
6th Feb 2019
My Ceph test cluster based on Raspberry Pi's and HP MicroServers Introduction To learn more about Ceph, I've build myself a Ceph Cluster based on actual hardware. In...
26th Jan 2019
26

My Ceph test cluster based on Raspberry Pi's and HP MicroServers

from Louwrentius - Solar [alt+shift+b] in technology

26th Jan 2019
Introduction To learn more about Ceph, I've build myself a Ceph Cluster based on actual hardware. In this blogpost I'll discus the cluster in more detail and I've also included (fio) benchmark results. This is my test Ceph cluster: The cluster consists of the following...
2018 in review A new year and a lingering feeling of not having done enough during the year. A fast review of the...
24th Jan 2019
20

2018 in review

from Jonas Hietala [alt+shift+b] in technology

24th Jan 2019
A new year and a lingering feeling of not having done enough during the year. A fast review of the year usually makes me feel better. 2018 non-geek achievements Was on parental leave for about 7 months. It was great although I’ve been crawling up the walls a little the last...
My first weeks as dad Last Christmas my wife gave birth of our son. It's a life changing experience to become a parent....
23rd Jan 2019
22

My first weeks as dad

from Willem's Blog [alt+shift+b] in technology

23rd Jan 2019
Last Christmas my wife gave birth of our son. It's a life changing experience to become a parent. Read along for my (biometric) findings and some practical tips.
My first weeks as dad Last Christmas my wife gave birth to our son, a little boy that would change everything! It's an...
23rd Jan 2019
1

My first weeks as dad

from Willem L. Middelkoop [alt+shift+b] in technology

23rd Jan 2019
Last Christmas my wife gave birth to our son, a little boy that would change everything! It's an incredible experience to become a parent, especially if it is your first kid. It introduces a whole new way of living, having to deal with regular feeding, caring and sleepless...
Writing a lisp compiler from scratch in JavaScript: 2. user-defined functions and variables Previously in compiler basics: 1. lisp to assembly 3. LLVM 4. LLVM conditionals and...
20th Jan 2019
24

Writing a lisp compiler from scratch in JavaScript: 2. user-defined functions and variables

from Notes on software development [alt+shift+b] in technology

20th Jan 2019
Previously in compiler basics: 1. lisp to assembly 3. LLVM 4. LLVM conditionals and compiling fibonacci 5. LLVM system calls 6. an x86 upgrade In this post we'll extend the compiler to support defining functions and variables. Additionally, we'll require the...
The Boys in the Boat A friend of mine who's in finance told me that the book is a cult favorite in his office, as most of...
14th Jan 2019
1

The Boys in the Boat

from Writing [alt+shift+b] in technology

14th Jan 2019
A friend of mine who's in finance told me that the book is a cult favorite in his office, as most of them did crew in college. There's gotta be a word for the narrative neatness that this book employs. Of course the UW folks are the young upstarts — of course they are portrayed...
The Boys in the Boat A friend of mine who's in finance told me that the book is a cult favorite in his office, as most of...
14th Jan 2019
1

The Boys in the Boat

from Applied Cartography [alt+shift+b] in technology

14th Jan 2019
A friend of mine who's in finance told me that the book is a cult favorite in his office, as most of them did crew in college. There's gotta be a word for the narrative neatness that this book employs. Of course the UW folks are the young upstarts — of course they are portrayed...
Data architecture vs backend architecture A modern tech stack typically involves at least a frontend and backend but relatively quickly also...
10th Jan 2019
32

Data architecture vs backend architecture

from Home on Erik Bernhardsson [alt+shift+b] in technology

10th Jan 2019
A modern tech stack typically involves at least a frontend and backend but relatively quickly also grows to include a data platform. This typically grows out of the need for ad-hoc analysis and reporting but possibly evolves into a whole oil refinery of cronjobs, dashboards, bulk...
Geniune Love and Infatuation After a long time, I read something so meaningful on reddit. How do you distinguish genuine love for...
10th Jan 2019
21

Geniune Love and Infatuation

from Himanshu Mishra | orkohunter.net RSS Feed [alt+shift+b] in technology

10th Jan 2019
After a long time, I read something so meaningful on reddit. How do you distinguish genuine love for someone from infatuation? was the…
Solving Problems In this post, I describe a Problem Solving methodology I unexpectedly picked up while working at a...
1st Jan 2019
1

Solving Problems

from Yazin Alirhayim [alt+shift+b] in technology

1st Jan 2019
In this post, I describe a Problem Solving methodology I unexpectedly picked up while working at a Fortune 500 company. It's a technique I use to this day when solving tricky problems.
Make small changes and solve the problems you have Two frustrating things that can happen in an organization are 1) big changes and 2) changes that...
27th Dec 2018
32

Make small changes and solve the problems you have

from Notes on software development [alt+shift+b] in technology

27th Dec 2018
Two frustrating things that can happen in an organization are 1) big changes and 2) changes that aren’t clearly associated with a known problem. It’s even worse in that order. These situations tend to happen when a problem remain unaddressed for too long. These situations tend to...
Comment on My 7 Rules for A/B Testing That Triple Conversion Rates by Naman Modi Thanks for the useful steps. I usually pay good attention to how actively plugin is maintained & how...
13th Dec 2018
1

Comment on My 7 Rules for A/B Testing That Triple Conversion Rates by Naman Modi

from Comments for Lars Lofgren [alt+shift+b] in technology

13th Dec 2018
Thanks for the useful steps. I usually pay good attention to how actively plugin is maintained & how often plugin supports questions are answered in the forum.
Game Engine Black Book: Wolfenstein 3D, 2nd Edition The second edition of the Game Engine Black Book: Wolfenstein 3D is out.
6th Dec 2018
1

Game Engine Black Book: Wolfenstein 3D, 2nd Edition

from Fabien Sanglard [alt+shift+b] in technology

6th Dec 2018
The second edition of the Game Engine Black Book: Wolfenstein 3D is out.
Do amazing things with a focused mind Read about my experience during the workshop I got as a birth day present involving the Wim Hof...
5th Dec 2018
32

Do amazing things with a focused mind

from Willem's Blog [alt+shift+b] in technology

5th Dec 2018
Read about my experience during the workshop I got as a birth day present involving the Wim Hof Method.
Do amazing things with a focused mind Just when the temperature was a low 2° Celsius, I jumped in the Amstel river! While it was nearly...
5th Dec 2018
1

Do amazing things with a focused mind

from Willem L. Middelkoop [alt+shift+b] in technology

5th Dec 2018
Just when the temperature was a low 2° Celsius, I jumped in the Amstel river! While it was nearly freezing outside I went for a swim, just moments after I've taken an ice bath! This post is about the incredible birthday present I got, a workshop involving the Wim Hof Method. Wim...
5th Dec 2018
28

A CBC Casper Tutorial

from Vitalik Buterin's website [alt+shift+b] in technology

5th Dec 2018
Writing a lisp compiler from scratch in JavaScript: 1. lisp to assembly Next in compiler basics: 2. user-defined functions and variables 3. LLVM 4. LLVM...
20th Nov 2018
24

Writing a lisp compiler from scratch in JavaScript: 1. lisp to assembly

from Notes on software development [alt+shift+b] in technology

20th Nov 2018
Next in compiler basics: 2. user-defined functions and variables 3. LLVM 4. LLVM conditionals and compiling fibonacci 5. LLVM system calls 6. an x86 upgrade In this post we'll write a simple compiler in Javascript (on Node) without any third-party libraries....
Compiling Ceph on the Raspberry Pi 3B+ (armhf) using Clang/LLVM UPDATE 2019 / 2020 There are official ARM64 binaries of Ceph that you can run on a 64-bit version of...
10th Nov 2018
23

Compiling Ceph on the Raspberry Pi 3B+ (armhf) using Clang/LLVM

from Louwrentius - Solar [alt+shift+b] in technology

10th Nov 2018
UPDATE 2019 / 2020 There are official ARM64 binaries of Ceph that you can run on a 64-bit version of Ubuntu 18.04. Important: I consider this page obsolete. I will keep it up for transparency's sake Introduction In this blog post I'll show you how to compile Ceph Luminous for...
Book Recommendation - Man's Search for Meaning Dear :name-retracted:, I finished reading a book today. It’s called Man’s Search for Meaning,...
3rd Nov 2018
19

Book Recommendation - Man's Search for Meaning

from Himanshu Mishra | orkohunter.net RSS Feed [alt+shift+b] in technology

3rd Nov 2018
Dear :name-retracted:, I finished reading a book today. It’s called Man’s Search for Meaning, written by Viktor Frankl. He was a German…
Is the Apple Watch the modern tool watch? I tested the Apple Watch during my work in Frankfurt this week where I had to go inside an internet...
1st Nov 2018
27

Is the Apple Watch the modern tool watch?

from Willem's Blog [alt+shift+b] in technology

1st Nov 2018
I tested the Apple Watch during my work in Frankfurt this week where I had to go inside an internet data centre.
Is the Apple Watch the modern tool watch? This week I went to Frankfurt for business. I had to perform maintenance to servers in a data...
1st Nov 2018
1

Is the Apple Watch the modern tool watch?

from Willem L. Middelkoop [alt+shift+b] in technology

1st Nov 2018
This week I went to Frankfurt for business. I had to perform maintenance to servers in a data centre. This seemed like a great opportunity to test the Apple Watch's usefulness in real life (other than health and fitness). I wondered, is the Apple Watch the modern tool watch? ...
Introducing Anchor Pro! Our original Anchor, the first under-desk headphone mount, is truly a great product - easy to...
22nd Oct 2018
21

Introducing Anchor Pro!

from Elevation Lab - Blog [alt+shift+b] in technology

22nd Oct 2018
Our original Anchor, the first under-desk headphone mount, is truly a great product - easy to install, does what it says, and a timeless design. It's in use on over 100,000 desks worldwide. So what do you do when you have a great product like The Anchor? Well, we decided to make...
On NYC, Tokyo and Seoul I’ve lived in NYC for the past year — moved here after years in Philly and after growing up in a...
20th Oct 2018
26

On NYC, Tokyo and Seoul

from Notes on software development [alt+shift+b] in technology

20th Oct 2018
I’ve lived in NYC for the past year — moved here after years in Philly and after growing up in a rural community a few hours west of there. My wife is South Korean and last week concluded my second trip to the suburbs of Seoul to visit her family. We finished up that trip with a...
Threads “You’re an interesting species. An interesting mix. You’re capable of such beautiful dreams, and...
14th Oct 2018
23

Threads

from Himanshu Mishra | orkohunter.net RSS Feed [alt+shift+b] in technology

14th Oct 2018
“You’re an interesting species. An interesting mix. You’re capable of such beautiful dreams, and such horrible nightmares. You feel so lost…
Startup School - A Conversation on Hard Tech 2025 Note - good convo with Adora for Startup School
12th Oct 2018
1

Startup School - A Conversation on Hard Tech

from Eric Migicovsky's Blog RSS Feed [alt+shift+b] in technology

12th Oct 2018
2025 Note - good convo with Adora for Startup School
Using a budget Android as main smartphone I switched to Android to find out how good a budget smartphone performs compared to an expensive...
8th Oct 2018
30

Using a budget Android as main smartphone

from Willem's Blog [alt+shift+b] in technology

8th Oct 2018
I switched to Android to find out how good a budget smartphone performs compared to an expensive iPhone.
Using a budget Android as main smartphone Every now and then, I switch phones to keep track of mobile developments. As professional app and...
8th Oct 2018
1

Using a budget Android as main smartphone

from Willem L. Middelkoop [alt+shift+b] in technology

8th Oct 2018
Every now and then, I switch phones to keep track of mobile developments. As professional app and web developer, I need to know how different devices work in real life. This time I used a budget Android smartphone, making me curious how it would compare to an expensive iPhone....
The hacker's guide to uncertainty estimates It started with a tweet: New years resolution: every plot I make during 2018 will contain...
8th Oct 2018
21

The hacker's guide to uncertainty estimates

from Home on Erik Bernhardsson [alt+shift+b] in technology

8th Oct 2018
It started with a tweet: New years resolution: every plot I make during 2018 will contain uncertainty estimates — Erik Bernhardsson (@bernhardsson) January 7, 2018 Why? Because I've been sitting in 100,000,000 meetings where people endlessly debate whether the monthly number of...
Comment on The 35 Headline Formulas of John Caples by Ace Rashid I was reading copy hackers article title "Is $5000 a lot to charge for a sales page" and you were...
4th Oct 2018
1

Comment on The 35 Headline Formulas of John Caples by Ace Rashid

from Comments for Lars Lofgren [alt+shift+b] in technology

4th Oct 2018
I was reading copy hackers article title "Is $5000 a lot to charge for a sales page" and you were one of the 14 marketers that were asked this bonus question to which you felt that it was too low for a sales page. That drew me to your site to learn more about you. I am glad...
When Harry Met Sally This, to me, is the ur-romcom — the gold standard against which all others are compared, and most...
27th Sep 2018
1

When Harry Met Sally

from Writing [alt+shift+b] in technology

27th Sep 2018
This, to me, is the ur-romcom — the gold standard against which all others are compared, and most are found wanting. The chemistry, the script, the everpresent autumn, the interstitials with old couples — it is all so good, and exactly what it is trying to be!
When Harry Met Sally This, to me, is the ur-romcom — the gold standard against which all others are compared, and most...
27th Sep 2018
1

When Harry Met Sally

from Applied Cartography [alt+shift+b] in technology

27th Sep 2018
This, to me, is the ur-romcom — the gold standard against which all others are compared, and most are found wanting. The chemistry, the script, the everpresent autumn, the interstitials with old couples — it is all so good, and exactly what it is trying to be!
Optimising images for the web and performance Make your website faster by optimising the images. This posts explains how you can do this.
25th Sep 2018
21

Optimising images for the web and performance

from Willem's Blog [alt+shift+b] in technology

25th Sep 2018
Make your website faster by optimising the images. This posts explains how you can do this.
Optimising images for the web and performance One way to make your website faster is to make it smaller. Not with tiny fonts, but with less bytes!...
25th Sep 2018
1

Optimising images for the web and performance

from Willem L. Middelkoop [alt+shift+b] in technology

25th Sep 2018
One way to make your website faster is to make it smaller. Not with tiny fonts, but with less bytes! More than half the weight of an average website is because of images. Yet very few people optimise their images for the web and performance, time to find out how much bytes you...
Bloated It used to happen sporadicly but now it is a daily experience.
23rd Sep 2018
1

Bloated

from Fabien Sanglard [alt+shift+b] in technology

23rd Sep 2018
It used to happen sporadicly but now it is a daily experience.
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