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Top posts
Every blog post that took off on Hacker News, ranked by the votes of its best submission. 21,842 posts.
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Optimized Go gzip/zip packages, 30-50% faster
I have worked on optimizing the standard library deflate function, and I am happy to announce revised gzip/zip packages, that on x64 is about 30-50% faster with slightly improved compression. Project: https://github.com/klauspost/compress All packages are drop-in replacements for the standard libraries, so you can use…
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The Importance of End-to-End Thinking in System Design
I once attended a talk by Yoky Matsuoka when I was young – so young, in fact, that I don’t remember when or where the talk was. What I do remember is her telling the story of designing…
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Writing a competitive BZip2 encoder in Ada from scratch in a few days – part 2
Note for subscribers: if you are interested in my Ada programming articles only, you can use this RSS feed link. Link to Part 3 here . As ...
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Verifying GCC optimizations using an SMT solver
This post describes the implementation of pysmtgcc. See “GCC Translation Validation” for background information.
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LLVM 3.0 Type System Rewrite
One of the most pervasive IR (and thus compiler API) changes in LLVM 3.0 was a complete reimplementation of the LLVM IR type system. This change was long overdue (the original type system lasted from LLVM 1.
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The Geometry Behind Normal Maps
Tangent space is often presented as a confusing block of shader math. This is a deep dive into what tangent vectors actually mean, how they emerge from UVs to bridge 2D and 3D space, and the geometry that makes normal mapping possible.
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Progressive Locks: fast, upgradable read/write locks
Context A few years after I created the Elastic Binary Trees (ebtree) , I started to get some feedback from users who needed to use the...
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A Rust shaped hole
Without writing a single line of Rust, why I feel it might be right
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Introducing passkeys in Chrome
We announced in October that passkey support was available in Chrome Canary. Today, we are pleased to announce that passkey support is now ...
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Linux Sucks 2022
"This time it's personal."
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The truth about Lisp (2006)
In which the truth about lisp is revealed, and some alternatives are enumerated.
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Mtime comparison considered harmful
tl;dr: Rebuilding a target because its mtime is older than the mtimes of its dependencies, like `make` does, is very error prone. redo does...
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Revisiting 64-bit-ness in Visual Studio and elsewhere (2015)
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Unsigned sizes: A five year mistake
C3 is the ergonomic, safe evolution of C. Familiar syntax, full ABI compatibility, optionals, slices, contracts and zero-cost abstractions.
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Reasons to Learn Redux as a JavaScript Developer
Redux greatly shaped how we develop modern JavaScript applications nowadays. Here I want to give a walkthrough on all the mindset changes we went through as JavaScript developers ...
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Using the switch(true) pattern in JavaScript
The switch true pattern isn't well known but it is incredibly useful. It's not a JavaScript specific pattern, but I use it in almost every single project.
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Effortless Performance Improvements in C++: std:unordered_map
This is the second post in the series about effortless performance improvements in C++. Check the first post to get the full story!
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Write Posix Shell
write posix shell 2023-03-10 /\ {.-} ;_.-'\ { _.}_ \.-' / `, \ | / \ | ,/ [0] \|_/ what is shell? most people in tech are familiar with shell scripts. but shell is a language! ... shit. actually. wait, let me rephrase- most people _use_ shell. most people _avoid_ shell. but mostly most people _hate_ shell. but should…
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Unsafe Rust is harder than C
Or: The Most Expensive Linked List I’ve Ever Written
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We switched to cursor-based pagination
Earlier this month, we migrated from offset pagination to cursor-based pagination for our API. In this journal, we walk through the basics of these methods of pagination and why we’re making this switch.
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No LLM Code in Dependencies
I've spent about 100 hours of work over the past month to make sure git-annex can build without dependencies that contain LLM generated code. At least so far.
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