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How to Print Integers Really Fast
Paul Khuong's personal blog. Some Lisp, some optimisation, mathematical or computer.
Top posts
Every blog post that took off on Hacker News, ranked by the votes of its best submission. 21,833 posts.
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Chinchilla’s death
“With more careful calculations, one can win; with less, one cannot” — Sun Tzu, The Art of War .
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Linux Raw Sockets
Recently I did a userspace implementation of the Host Identity Protokoll (HIPv2, RFC 7401) with the upcoming Diet Exchange (HIP DEX, IETF draft 6) . Doing so, I've learnt a lot about raw socktet programing under Linux and here I want to share a few things with you.
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Creating a bash completion script
Lazarus Lazaridis’ personal blog with posts mostly related to programming and opensource. And cats.
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The new X-Men movie explained in Git
I went to see X-Men: Days of Future Past last weekend. While having a heated discussion about the logic behind the time travel in the movie with fellow Rocketeer Lucas Galego, we realized that Git provides a great analogy for time travel. So here you have it, the new X-Men movie explained in Git. SPOILER ALERT If you…
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Code Review from the Command Line
I do the bulk of my code reviews from the command line, especially when reviewing larger changes. I've built up a number of tools and config settings that help me dig into the nuances of the code I'm reviewing, so that I can understand it better than if I were just browsing online.
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Reminder: "Broken gets fixed, but shitty lasts forever"
A while back, it came to my attention that ruby's net/https implementation had an insecure default: not verifying TLS certificates (OpenSSL::SSL::VERIFY_NONE). I wrote an article about it for RubyInside, and helped @geemus fix the issue in his excon gem. Despite this being an incredibly serious security issue, nobody…
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Building a Modern Web Stack for the Real-time Web
WebSockets, SPDY, SSL, and persistent connections are in, except that our infrastructure can't support most of these use cases. To enable the modern, real-time web, we need to drag our 'back office' architectures into this century.
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Squeezing a Sokoban game into 10 lines of Haskell
Call-by-push-block
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Shell programming with bash: by example, by counter-example
As an interactive shell, bash is a terse language for initiating and directing computations.
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Hybridizer: High-Performance C# on GPUs
Hybridizer is a compiler from Altimesh that lets you program GPUs and other accelerators from C# code or .NET Assembly. Using decorated symbols to express parallelism, Hybridizer generates source code…
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The Awk state machine parser pattern (2018)
I run the Ganglia Monitoring System on the home lan to keep an eye on temperatures, loads, disk usages, network throughput and such on the gateway and, more recently, my desktop workstation as well 1 1 The primary reason is that I have noticed some instability, and I would like to know if it’s related to temperature…
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Book Review: Designing Data-Intensive Applications
What a great book Designing Data-Intensive Applications is! It covers databases and distributed systems in clear language, great detail and without any fluff. I particularly like that the author Ma…
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Vulkan Foliage rendering using GPU Instancing
Abdelhadi' blog
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Explaining Ruby Fibers
Explaining Ruby Fibers - Noteflakes
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On Uber’s Choice of Databases
Uber provides bad advice about PostreSQL vs. MySQL
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Down the 'ls' Rabbit Hole
By: Adam Fletcher ( @adamfblahblah ) From ls(1) to the kernel and back again. Too often sysadmins are afraid to dive into the sou...
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Introduction to Hacking PostgreSQL (2007)
Gavin Sherry and I have presented several versions of a tutorial introduction on how to modify the PostgreSQL source code. The original version was given at the PostgreSQL Anniversary Summit in June of 2006. Gavin has since given a revised version of the talk (at LCA 2007), as have I (at PgCon 2007).
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Droste’s Lair
A swords-and-sorcery programming environment for building and counting mathematical structures
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MapReduce Patterns, Algorithms, and Use Cases
In this article I digested a number of MapReduce patterns and algorithms to give a systematic view of the different techniques that can be found on the web or scientific articles. Several practical…
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Skeptical of rewriting JavaScript tools in "faster" languages
I’ve written a lot of JavaScript. I like JavaScript. And more importantly, I’ve built up a set of skills in understanding, optimizing, and debugging JavaScript…
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What Golang Is and Is Not
At Dan’s Stuff, we bring you the thrill and excitement of car auctions near me right to your screen. Our blog is dedicated to helping you navigate the fast-paced world of car auctions with confidence and expertise. We provide in-depth guides, expert advice, and the latest news to ensure you have all the information…