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How to write a tree-sitter grammar in an afternoon
This article was discussed on Hacker News.
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Software Engineering
The most popular blog posts about software engineering on Hacker News. 1,001 posts.
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On Device Learning
Before asking the question, how do I build AGI, you first must ask the question, what would I recognize as AGI?
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The Tower of Weakenings: Memory Models for Everyone
In my previous article I looked at the ways that Rust could be better at pointers. Half of the problems were fundamental issues that affect basically every programming language that lets you mess with pointers directly, and the other half were rust-specific issues. My article also proposed two solutions: for the…
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Compilers and IRs: LLVM IR, SPIR-V, and MLIR
Overall discussion on compilers and IRs (LLVM IR, SPIR-V, and MLIR): why they are in their current manner and how they would evolve
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Tailwind CSS v3.2: revisiting my “feature creep” warning
Only nine months after I suggested Tailwind might someday hit an unpleasant inflection point, that may now be happening.
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Notes on Virtual Threads and Clojure
Virtual Threads are an excellent addition to Java platform and here's how Clojure is going to benefit from it.
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How to make Flappy Bird with C++
A little much about C++, Game Development, Programming and Web
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Software engineering books to read and reread
Advanced Web Application Architecture allows you to spot what kind of code you're dealing with:
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Bundling binary tools in Python wheels
I spotted a new (to me) pattern which I think is pretty interesting: projects are bundling compiled binary applications as part of their Python packaging wheels. I think it’s really …
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Know how your org works, or how to become a more effective engineer
A few months ago, exhausted by a constant stream of people perennially disappointed about reward structures at companies, I made what…
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How to add thousands of lights to your renderer and not die in the process
Why ReSTIR is good for you.
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The Modern Observability Problem
The observability problem - Why is the system exhibiting this behaviour?
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Implementing ‘strlen’ using SVE
In C, the length of a string in marked by a 0 byte at the end of the string. Thus to determine the length of the string, one must scan it, looking for the 0 byte. Recent ARM processors have a powerful instruction set (SVE) that is well suited for such problems. It allows you … Continue reading Implementing ‘strlen’…
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Writing docs well: why should a software engineer care?
Recently I gave a guest lecture in a graduate level software engineering course on the value of technical writing for software engineers. This post is a sort of rough transcript of my talk. I live-…
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How to make sure no dynamic memory is used
How to disable heap (dynamic memory allocation) in an embedded application? This article goes into the details of linker files and how to detect dynamic memory allocation.
919
Making all your integers positive with zigzag encoding
You sometimes feel the need to make all of your integers positive, without losing any information. That is, you want to map all of your integers from 'signed' integers (e.g., -1, 1, 3, -3) to 'unsigned integers' (e.g., 3,2,6,7). This could be useful if you have a fast function to compress integers that fails to ……
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Simple declarative schema migration for SQLite
At my company we use a small SQLite database. We define the schema in a single file with SQL CREATE TABLE statements. If we add tables, columns, or indexes, our application will create them automatically the next time it starts up.
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Ruby Fiber Scheduler
Ruby can work asynchronously with just a Fiber Scheduler and a couple built-in methods - no frameworks are required! It's easy to use, scales well, and has amazing performance benefits.
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A Faster Lexer in Go
It's been a while since I've last rewritten my favorite lexical analyzer :-) That post is the last in a series implementing a lexer for the TableGen language in a variety of programming languages, using multiple techniques. The last lexer written, in Go, was very fast indeed - processing 1 MiB of source in about 20…
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Squeezing Performance from SQLite: EXPLAINing the Virtual Machine
The virtual machine? Yep, but not the Java Virtual Machine.
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Forbidden Emacs Lisp Knowledge: Block Comments
Note : The \037 sequence appearing in the code snippets is one character, escaped for readability.
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How does find by example work in the Pharo Finder
Veja o post original em português em How does find by example work in the Pharo Finder. How does find by example work in the Pharo Finder One of the things that looks like magic is the search for m…
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How we wound up with Linux's kernel mode setting ('KMS')
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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89 Operating Systems
I occasionally do talks about curl. In these talks I often include a few slides that say something abut curl's coverage and presence on different platforms. Mostly to boast of course, but also to help explain to the audience how curl has manged to reach its ten billion installations. This is current incarnation of…