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105

HN comments are underrated

danluu.com·danluu.com·26 days ago
#JhWCT75y
#include#define#if#endif#people#system

HN comments are terrible. On any topic I’m informed about, the vast majority of comments are pretty clearly wrong. Most of the time, there are zero comments from people who know anything about the topic and the top comment is reasonable sounding but…

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80

Speeding Up (small) Ruby Hashes

byroot’s blog·byroot's blog·26 days ago
#xNpAT4O2
#define#eql#else#endif#include#ruby

Something I must confess is that I absolutely hate writing these blog posts. It’s not quite as bad as having to give a conference talk, but it’s up there on the list of activities that feel like pulling teeth to me. Not that I’m not proud of the result.…

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0

Tracking down a Zsh history data loss bug 🐞

Michael Stapelberg·Michael Stapelberg·about 1 month ago
#20uLkNJu
#include#bpftrace#zsh#history#linux#article

For many years, I sometimes discovered that commands I was sure I had run were no longer present in my Z shell history file (~/.zsh_history). In this article, I will show you how I tracked down the bug.…

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Interconverting std::function with copyable_function
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Interconverting std::function with copyable_function

C++11 introduced std::function as a type-erased callable-object holder. function was badly designed in a few ways: Its rarely used “go fish” API bloats every user; it advertises operator() const even when the controlled object’s operator() is mutating; it…

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GitHub - welcome-to-the-sunny-side/misa77: Ridiculously fast decompression at good ratios. misa77 is 1.5-3x faster than LZ4 for decompression on x86 and ARM (with better ratios!).
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GitHub - welcome-to-the-sunny-side/misa77: Ridiculously fast decompression at good ratios. misa77 is 1.5-3x faster than LZ4 for decompression on x86 and ARM (with better ratios!).

Hacker News·Hacker News·2 months ago
#Hou6bJsH

Ridiculously fast decompression at good ratios. misa77 is 1.5-3x faster than LZ4 for decompression on x86 and ARM (with better ratios!). - welcome-to-the-sunny-side/misa77

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GitHub - rochus-keller/BUSY: BUSY is a lean, statically typed, cross-platform, easily bootstrappable build system for GCC, CLANG and MSVC inspired by Google GN
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GitHub - rochus-keller/BUSY: BUSY is a lean, statically typed, cross-platform, easily bootstrappable build system for GCC, CLANG and MSVC inspired by Google GN

Hacker News·Hacker News·2 months ago
#j9LtJosM
#github#include#gcc#clang#msvc#article

BUSY is a lean, statically typed, cross-platform, easily bootstrappable build system for GCC, CLANG and MSVC inspired by Google GN - rochus-keller/BUSY

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FreeBSD ate my ram!
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190

FreeBSD ate my ram!

Hacker News·FreeBSD ate my ram!·2 months ago
#F50SsQX0
#crocidb#define#ifdef#endif#include#freebsd

I spent a whole month researching FreeBSD's kernel's virtual memory system to understand why tools like htop, btop and fastfetch report different information about RAM usage. I ended up submitting patches to all of these projects.

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