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Digital Ghosts, Wisdom, and Tennis Matchmaking

from Dan Quach Blog [alt+shift+b] in programming

Digital Ghosts My mom recently had a free consultation from her electric company to assess replacing her propane water heater with an electric water pump heater.  She forwarded the assessment report to me, and I spent some time reviewing and researching the program. Despite living quite far away, I have been surprised by how much […]
16th Jun 2025

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More from Dan Quach Blog

How Cooking Works

In 2006, I did my first start-up howcookingworks.com where the idea was a site to learn how to cook.   The first part of the site described the techniques of cooking, and the other was where cooks could connect to participants to learn from them. At the time, I went to a lot of start-up […]

12th Apr 2026 • 1 votes
Reflections at 44, Tofu, Ancient Robots, Fanny Crosby

44 I recently turned 44, and this year resonates more than others for the simple fact that there are two repeating numbers. Other numbers that have come to mind are 22, 44, and 88. At 22,  I had just graduated from college with a computer science degree during a mild recession, so none of my […]

24th Oct 2025 • 18 votes
A Data Engineering Perspective of LLMs

Data engineering is a field I would categorize as a subspecialty of software engineering. It shares the same concerns as software engineering—scalability, maintainability, and other “-ilities”—but its primary focus is on data. It’s a unique discipline because data is inherently messy, and as a result, no standard enterprise framework has emerged to dominate the space—and […]

8th Apr 2025 • 92 votes
State of Data Engineering 2025 Q1

AI Updates There is a lot of chatter about 2025 being the year of agentic frameworks.  To me, this means a system in which a subset can allow AI models to take independent actions based on their environment, typically interacting with external APIs or interfaces.  The terminology around this concept is still evolving, and definitions […]

6th Feb 2025 • 61 votes

More in programming

A new home for all my apps: apps.chofter.com

Say hello to apps.chofter.com, the new home for everything I build. The speed at which I ship new things has massively increased with the advent of AI, and I’ve been encouraged by the fact that, as I approach my sixth decade, new ideas for useful & fun things to build still come at me apace. These no longer fit on my personal homepage, which is a combination of work experience, interests, things I made long ago that are no longer relevant (but still interesting), and of course, the many apps & tools I have out there in the wild right now. The site was 100% built using Claude Code, which did an amazing job of inspecting all the various websites, app stores and code bases and constructing a site in 30 minutes or so. I had to push it to make the site more SEO friendly, pre-rendered to HTML rather than over relying on client side rendering, but that was it. So there we go, enjoy the delightful and hopefully useful apps that I’ve already built and will continue to build in the future

11 hours ago • 1 votes
SumatraPDF new features: March 18, 2026

New in the SumatraPDF pre-release builds: DDE commands accept arguments Commands sent via DDE can take arguments, the same as in custom shortcuts (#5383). Loading message in tab While a document loads, its tab shows a “loading” message instead of the home page (#5385). Install 32-bit on 64-bit Windows The installer lets you install the 32-bit version on 64-bit Windows (#5379). Changes for this day · Full changelog

yesterday • 1 votes
An Update on Orion for Linux and Windows

Kagi is ending development of Orion for Linux and Windows and open-sourcing both so the community can carry them forward. Our small team will now focus fully on making Orion for macOS and iOS faster, more stable, and more capable.

2 days ago • 1 votes
Clip of me singing Despard in Ruddigore in 2013

A clip of me singing a funny song from Gilbert and Sullivan’s Ruddigore back in 2013

2 days ago • 1 votes
How and Why fork() Uses Copy-on-Write

In this video, we look at why fork() needs copy-on-write, how it works inside the kernel, and a memory usage problem that Instagram encountered with Python.

2 days ago • 1 votes
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