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Optimizing a breadth-first search
Optimizing a breadth-first search of an implicit graph for secondary storage, and memory use in general.
Top posts
Every blog post that took off on Hacker News, ranked by the votes of its best submission. 21,842 posts.
18302
Aesthetics of single threading
This essay explores the cost of multitasking through computer science concepts like context switching and advocates for the focus found in single-threaded moments.
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The nihilist and optimist programmers (2015)
Peter Bourgon has a web site, and this is that web site.
18305
Why Rust nextest is process-per-test
Why nextest runs each test in its own process: a game-theoretic view.
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Johnny-Five v1.0 – JavaScript Robotics and IoT Framework
Johnny-Five is the original JavaScript Robotics & IoT Platform. Originally created by Rick Waldron in 2012, Johnny-Five is now maintained by a community of passionate software developers and hardware engineers. Over 75 developers have made contributions towards building a robust, extensible and composable ecosystem.
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Hacker Scouts teaches children Linux, robotics, and welding
Track and improve how AI assistants recommend your brand across ChatGPT, Gemini, Claude & more.
18311
Comparing Python frameworks: A simple webapp in Flask, web.py, bottle, juno ...
This is a set of apps which creates the same application in various Python web micro-frameworks.
18312
Crystal 1.2.2 Is Released
We are releasing the second patch release of the 1.2 series.
18313
Building a F1 race simulator
One of the most fascinating aspects of modern Formula 1 is the use of computer simulations to predict car performances and race strategies. By the early 1990s, teams like Benetton had begun to deve…
18314
Compiling a Lisp (2020)
Overture to our small Lisp to x86-64 compiler
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Introduction to Category Theory
The aim of this course is to teach the basics of category theory, in a way that is accessible and relevant to computer scientists. The emphasis is on gaining a good understanding the basic definitions, examples, and techniques, so that students are equipped for further study on their own of more advanced topics if…
18317
Clojure 2011 Year in Review
A new year is upon us. Before the world ends, let’s take a look back at what 2011 meant for everybody’s favorite programming language:
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Cryptographically Secure PHP Development
Your field guide to building secure cryptography features in PHP
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Leaked admin access token to Python, PyPI, and PSF GitHub repos
The JFrog Security Research team has recently discovered and reported a leaked access token with administrator access to Python’s, PyPI’s and Python Software Foundation’s GitHub repositories, which was leaked in a public Docker container hosted on Docker Hub. As a community service, the JFrog Security Research team…
18321
Sherlock Holmes Debugging
I use the Sherlock Holmes method of debugging software. This means working backwards from a symptom to the series of causes which tell a story of the entire bug. It works for production outages and during development. Something that recently happened at my startup should be instructive.
18322
Writing our own cheat engine (2021)
First entry on completing Cheat Engine's tutorial without Cheat Engine
18323
C++26: The New Debugging Header
If you’ve ever needed to hit a breakpoint programmatically in C++, you’ve probably written something like this: 1 2 3 4 5 6 7 8 9 #if defined(_MSC_VER) __debugbreak(); #elif defined(__clang__) __builtin_debugtrap(); #elif defined(__GNUC__) && (defined(__i386__) || defined(__x86_64__)) __asm__ volatile("int3"); #else…
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Common Mistakes as Python Web Developer
A short list of common mistakes in Python web applications in terms of security and architecture.
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Which Interpreters Are Faster, AST or Bytecode?
A brief overview of our study of abstract-syntax-tree and bytecode interpreters on top of RPython and the GraalVM metacompilation systems.
18327
Haskell's Missing Concurrency Basics (2016)
Michael Snoyman's personal homepage and blog, featuring writing about programming, open source, health, finance, religion, and whatever else catches his interest.
18328
Writing a Postgres Foreign Data Wrapper for Clickhouse in Go
Postgres(hereinafter mentioned as PG) is a pretty cool database with lots of nice features, one of them little known ones is the ability of having Foreign data wrappers (hereinafter mentioned as FDWs). Clickhouse(hereinafter mentioned as CH) is another amazing database with an altogether different set of features…
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Run the First Edition of Unix with Docker
In this article you'll see how to run a PDP-11 simulator through Docker to interact with Unix as it was back in 1972.