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Introducing Git protocol version 2
The latest news from Google on open source releases, major projects, events, and outreach programs for early career developers.
Topics /
Software Engineering
The most popular blog posts about software engineering on Hacker News. 21,811 posts.
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Building Fast Interpreters in Rust
In the previous post we described the Firewall Rules architecture and how the different components are integrated together. We created a configurable Rust library for writing and executing Wireshark®-like filters in different parts of our stack written in Go, Lua, C, C++ and JavaScript Workers.
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Build your own database
A step-by-step guide to building a key-value database from scratch.
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Everyone is still terrible at creating software at scale
I have a hunch that once people saw the economic potential of software, they started looking for ways to "scale it up" and we haven't stopped searching yet.
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Ruby 2.0.0 Released
We are pleased to announce the release of Ruby 2.0.0-p0.
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The original source code of Microsoft GW-BASIC from 1983
We are excited to announce the open-sourcing of Microsoft's GW-BASIC on GitHub!
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An example of LLM prompting for programming
Generated knowledge and chain of thought prompting of an LLM can generate useful code.
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Write Your Own Virtual Machine
In this tutorial, I will teach you how to write your own virtual machine (VM) that can run assembly language programs, such as my friend’s 2048 or my Roguelike . If you know how to program, but would like to gain a deeper understanding of what is going on inside a computer and better understand how programming…
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Prevent cognitive debt by manually retyping LLM-generated code
Despite what I said in April , I'm still using coding assistants on my personal projects.
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Goodbye, Twilio
As of this week and after almost four years, I'm not a Twilio employee anymore. I'm writing this while I work through a range of conflicting emotions, and try to adapt to new daily routines without…
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What's New in Ruby on Rails 8
What Rails 8 ships and requires: built-in authentication, Solid Queue, Kamal 2, and production SQLite, plus support timelines and an upgrade checklist.
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Go 1.7 is released
Go 1.7 adds faster x86 compiled code, context in the standard library, and more.
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The Makefile I use with JavaScript projects
I work on a lot of Javascript projects. The fashion in Javascript is to use build tools like Gulp or Webpack that are written and configured in Javascript. I want to talk about the merits of Make.
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Cursor 3
Cursor 3 is a unified workspace for building software with agents.
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A bunch of programming advice I'd give to myself 15 years ago
I finally have the feeling that I’m a decent programmer, so I thought it would be fun to write some advice with the idea of “what would have gotten me to this point faster?” I’m not claiming this is great advice for everyone, just that it would have been good advice for me. If you (or your team) are shooting…
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Recreating Epstein PDFs from raw encoded attachments
Heads-up: An update to this article has been posted. There have been a lot of complaints about both the competency and the logic behind the latest Epstein archive release by the DoJ: from censoring…
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Light Table 0.4 released
With this release our goal was to bring more people into the fold, to increase the number of languages we can eval, and to smooth out some of the core experience. After 0.3, we finally had a chance to move the ball forward some - from live modifying websites directly inside of LT to injecting code into NodeJS and…
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Understanding Python through its builtins
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Achieving 100k connections per second with Elixir
In this article, we explain how to scale Elixir to handle 100k connections per second.
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Claude Code On-the-Go
Running six Claude Code agents in parallel from an iPhone. A cloud VM, Tailscale, mosh, and push notifications enable async development from anywhere.
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Agentic Engineering Patterns
Patterns for getting the best results out of coding agents like Claude Code and OpenAI Codex. See my introduction for more on this project.
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On React and WordPress
Big companies like to bury unpleasant news on Fridays: A few weeks ago, Facebook announced they have decided to dig in on their patent clause addition to the React license, even after Apache had sa…
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Building Effective AI Agents
Practical guidance from Anthropic on building reliable AI agents, from simple composable patterns to fully autonomous systems.
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-2000 Lines of code (2004)
In early 1982, the Lisa software team was trying to buckle down for the big push to ship the software within the next six months. Some of the managers decided that it would be a good idea to track the progress of each individual engineer in terms of the amount of code that they wrote from week to week. They devised a…
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Text Rendering Hates You
Rendering text, how hard could it be? As it turns out, incredibly hard! To my knowledge, literally no system renders text “perfectly”. It’s all best-effort, although some efforts are more important than others.
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