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Do Not Log
Almost every week I accidentally get into this logging argument. Here’s the problem: people tend to log different things and call it a best-practice. And I a...
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The Documentation Triangle, or, why code isn't self documenting
These statements can be hard to argue against, especially if they come from someone who is more experienced than you. A lot of the trouble is that they are not wrong – well, they’re not completely wrong.
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Clang is better than GCC
Yes, this is a problem of weak static typing of pure C. Pure C is a great tool for some jobs, but here be dragons , as they say.
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Automated testing in Bevy
Chad Nauseam Home
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The Fourth Operation: What Comes After Exponentiation
Tetration -- repeated exponentiation a fractional number of times.
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The one about Lisp interactivity
Lisp REPLs are on the collective lips of the WWW lately and so I thought I’d add my little bit of chatter to the mix as well. 1
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Hacks for Engineering Estimates
Engineers often have to ask each other for “estimates”– rough projections for how long projects will take. While some teams do rigorous estimation rituals to varying degrees of success, many situation
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Faster CRC32-C on x86
Computing the CRC-32C of a 4KB buffer on a modern x86 chip can be done as a simple loop around the crc32 instruction:
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eBPF for tracing how Firefox uses page faults to load libraries
Modern browsers are some of the most complicated programs ever written. For example, the main Firefox library on my system is over 130Mbytes. Doing 130MB of IO poorly can be quite a performance hit, even with SSDs! :). Few people seem to understand how memory-mapped IO works. There are no pre-canned tools to observe…
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Building a neural network in pure Lisp using only atoms and lists
A neural network written in pure Lisp without built-in numbers using only atoms and lists in SectorLISP, a 512-byte Lisp interpreter written by the authors of the SectorLISP project.
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Uninitialized memory: Unsafe Rust is too hard
Why unsafe Rust is a complex and user unfriendly experience.
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Monorepos in JavaScript and TypeScript
A tutorial how to use a monorepo architecture in frontend JavaScript and TypeScript with tools like npm/yarn/pnpm workspaces, Turborepo/NX/Lerna, Git Submodules, ...
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Between Two Lisps (2020)
Out of all Lisps the ones I’ve come to appreciate the most are Scheme and Common Lisp.
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JavaScript Obfuscation Techniques by Example
Code level discussion of web scraping, gray hat automation, growth hacking and bounty hunting
947
Mysterious Memset
Where did that memset come from?
948
Building a simple shell in C – Part 3
Implementing the execution functionality of the shell
949
Parsing bitstreams with Nom
How to use Nom to parse binary protocols at the level of individual bits
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Wordlexpr: Compile-Time Wordle in C++20
Not participating in the hype around Wordle seemed wrong, and what better way to do it than to create it cleanly at compile time in C++20? Introducing Wordlexpr!
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What do you really get from IDE-driven development?
I’ve been playing with GitHub Copilot, an IDE extensions that uses GitHub’s vast knowledge of how people code to suggest what you probably meant to type next. I’m running it through Visual Studio Code, but it also runs in JetBrains and Neovim.
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Go 1.21 may have a clear(x) builtin
You're probably reading this page because you've attempted to access some part of my blog (Wandering Thoughts) or CSpace , the wiki thing it's part of. Unfortunately you're using a browser version that my anti-crawler precautions consider suspicious, most often because it's too old (most often this applies to versions…
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How programmers make sure that their software is correct
Our most important goal in writing software is that it be correct. The software must do what the programmer wants it to do. It must meet the needs of the user. In the business world, double-entry bookkeeping is the idea that transactions are recorded in at least two accounts (debit and credit). One of the … Continue…
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Guile Steel: a proposal for a systems Lisp
Before we get into this kind of stream-of-consciousness outline, I'd like to note that very topically to this, over at the Spritely Institute (where I'm CTO, did I mention on here yet that I'm the CTO of a nonprofit to improve networked communication on the internet on this blog? because I don't think I did) we…
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Lil: A Scripting Language
Lil is part of the technology that powers Decker , a multimedia creative tool inspired by HyperCard . Decker uses Lil for adding custom behavior to decks and the widgets within. Lil is designed to be learned in layers, but it is a richly multi-paradigm language which incorporates ideas from imperative, functional…
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Trivia About Rust Types
Preface (by Jimmy Hartzell) I am a huge fan of Jon Gjengset’s Rust for Rustaceans, an excellent book to bridge the gap between beginner Rust programming skills and becoming a fully-functional member of the Rust community. He’s famous for his YouTube channel as well; I’ve heard good things about it (watching video…