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Socket.IO C++
I'm really proud to announce the first release of the Socket.IO C++ Client on GitHub!
Top posts
Every blog post that took off on Hacker News, ranked by the votes of its best submission. 7,293 posts.
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The Road to the JIT
The official home of the Erlang Programming Language
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AI2: Open Coding Agents
SERA is the first in our family of Open Coding Agents, achieving state-of-the-art performance at low cost.
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Bevy 0.2
A month after the initial Bevy release, and thanks to 87 contributors, 174 pull requests, and our generous sponsors, I'm happy to announce the Bevy 0.…
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SQL, Scaling, and What's Unique About Postgres
Citus gives you all the greatness of Postgres plus the superpowers of distributed tables. By distributing your data and queries, your application gets high performance—at any scale. The Citus database is available as open source and as a managed service on Azure.
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Flutter and Dart, or how to quickly build a mobile app without losing your hair
Oprogramowanie dla banków, ubezpieczycieli i firm leasingowych: procesy kredytowe, obsługa polis, bankowość mobilna i dane. 20+ lat, 500+ projektów.
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Getting the most out of Opus 5.5 in Claude and Claude Code
How to prompt Opus 5.5, steer a long run, and check your results in Claude apps and Claude Code.
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Create and edit images with Gemini 2.0 in preview
Explore how to generate and edit images with Gemini 2.0 Flash, now in preview in Google AI Studio
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Gemini CLI GitHub Actions
Today, we’re introducing Gemini CLI GitHub Actions. It’s a no-cost, powerful AI coding teammate for your repository. It acts both as an autonomous agent for critical rou…
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Re-implementing LangChain in 100 lines of code
LangChain has become a tremendously popular toolkit for building a wide range of LLM-powered applications, including chat, Q&A and document search. In this blogpost I re-implement some of the novel LangChain functionality as a learning exercise, looking at the low-level prompts it uses to create these higher level…
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How to make a fast dynamic language interpreter
This post is about optimizing an extremely simple AST-walking interpreter for a dynamic language called Zef that I created for fun to the point where it is competitive with the likes of Lua, QuickJS, and CPython.
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A Clojure Crash Course
It’s time to learn how to actually do things with Clojure! Hot damn! Although you’ve undoubtedly heard of Clojure’s awesome concurrency support and other stupendous features, Clojure’s most salient characteristic is that it is a Lisp. In this chapter, you’ll explore the elements that compose this Lisp core: syntax…
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A deep dive into Linux's new mseal syscall
If you love exploit mitigations, you may have heard of a new system call named mseal landing into the Linux kernel’s 6.10 release, providing a protection called “memory sealing.” Beyond notes from the authors, very little information about this mitigation exists. In this blog post, we’ll explain what this syscall is…
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Indexing Billions of Text Vectors
Optimizing memory-usage for approximate nearest neighbor search
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Build Your Own Home Automation w/ Pusher, Twilio, and Arduino
Build you own DIY Home Automation Using Twilio, PowerSwitch, Arduino, and Pusher
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Scala at scale at Databricks
Explore how Databricks leverages Scala for large-scale data processing, enhancing performance and developer productivity.
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How Discord achieves native iOS performance with React Native
Discover the latest news and app updates, stories, company insights, and plenty more about Discord, all in one place.
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My Agent Skill for Test-Driven Development
AI agents tend to be, at least as of this writing (May 2026), lousy at writing tests. The tests they write are often vague, cryptic, overcomplicated, hacky, dis...
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RethinkDB 1.16: cluster management API, realtime push
The 1.16 release is a precursor to the upcoming 2.0 release, and is the biggest RethinkDB release to date with over 300 enhancements . This release includes two exciting new features: a comprehensive API for large cluster management, and realtime push functionality that dramatically simplifies the development of…
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Retries – An interactive study of request retry methods
An interactive guide to retrying requests: why naive retries overload a failing service, and how exponential backoff and jitter fix it.
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HIPAA 101 for Software Development Teams
Everything you need to know about HIPAA compliance, from the basics to infrastructure requirements to building with AI.
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Learning how to write a 3D engine from scratch in C#, TypeScript or JavaScript (2013)
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