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Demystifying Floating Point Precision
Floating point numbers have limited precision. If you are a game programmer, you have likely encountered bugs where things start breaking after too much time has elapsed, or after something has mov…
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The latest blog posts to take off on Hacker News. 14,543 posts.
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Of SVG, Minification and Gzip
Smaller files are downloaded faster, so making an asset file size smaller before sending it to a client is a good thing to do.
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DéjàVu: a map of code duplicates on GitHub
DéjàVu: A map of code duplicates on GitHub Lopes et al., OOPSLA ‘17 ‘DéjàVu’ drew me in with its attention grabbing abstract: This paper analyzes a corpus of 4.5 million non-fork projects hosted on…
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What's wrong with the default build tool for Scala
SBT is the default build tool for the Scala programming community: you can build Scala using other tools, but the vast majority of the community uses SBT. Despite that, nobody seems to like SBT: people say it's confusing, complicated, and opaque. This post will deeply analyze what exactly it is about SBT that people…
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“Security problems are primarily just bugs”
People are debating this email from Linus Torvalds (maintainer of the Linux kernel). It has strong language, like: Some security people ...
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When I use classes, when I don’t, what I do instead and why
When I use classes, when I don't, what I do instead, and why
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The Atoms of Programming
In the world of physics, there are many different models that can be used, though typically each of them has different applicability to different contexts. At the small scale, quantum physics is a very useful model, Newtonian physics will yield evidently incorrect predictions so is less valuable. Where a Newtonian…
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Scaling Postgres with Read Replicas and Using WAL to Counter Stale Reads
Scaling out operation with read replicas and avoiding the downside of stale reads by observing replication progress.
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A Cookbook for Machine Learning: Vol 1
This was a busy week, I had no time to read anything new, so I'm sharing a note that I wrote for myself, for no other reason than to understand things better. It's a kind of cookbook of various "transformations" you can apply to...
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What is a Source Map
These days web assets such as JS and CSS aren’t simple text files. Instead, they’re typically minified or come from a complex build process involving compili...
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“It is never a compiler error”
From the highly eclectic blog of Mark Dominus
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Augmented reality with Python and OpenCV
You may (or may not) have heard of or seen the augmented reality Invizimals video game or the Topps 3D baseball cards. The main idea is to render in the screen of a tablet, PC or smartphone a 3D mo…
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Using SVG as image placeholders
I’m passionate about image performance optimisation and making images load fast on the web. One of the most interesting areas of…
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Phoenix WebSockets under a Microscope
This is a code-reading and exploration post about the WebSockets side of Phoenix. It builds upon some of the tracing techniques showcased in the previous post, to observe some of the internals of Phoenix. It also features some tricks I commonly employ to debug WebSocket related issues. The title and nature of this…
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A Universe in One Line of Code with 10 PRINT
Generating a Universe with One Line of Code
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Software architecture is failing
I doubt there has ever been a time when software architecture was seen as a raging success. The “three-tier architecture” of the web has held up extremely well and is an excellent place for many people to start. The “12 Factor App” approach has encouraged developers to adopt practices that make deployment and scaling…
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The cargo cult of versioning
[ Update Nov 27: This post had issues, and I retract some of my more provocative claims. See the errata at the end. ]
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Burn the Programmer
This is a guest post by Virtual Reality developer Hugh Hancock, creator of VR horror RPG Left-Hand Path .
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Simple React Patterns
I've been writing React applications for a few years now, and I've noticed that some patterns tend to repeat themselves. In this post, I'll review these patterns which will summarize about 99% of the React code I write every day.
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