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Run end-to-end tests faster with Firecracker
Firecracker is the technology which powers Serverless, but it can be also be repurposed to run end-to-end tests quickly and cheaply.
Topics /
Software Engineering
The most popular blog posts about software engineering on Hacker News. 550 posts.
242
Using CRDTs for multiplayer text editing
From the Zed Blog: A detailed exploration of Zed's eventually-consistent text representation.
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Improve Git monorepo performance with a file system monitor
Monorepo performance can suffer due to the sheer number of files in your working directory. Git’s new builtin file system monitor makes it easy to speed up monorepo performance.
244
The Docker+WASM Technical Preview
Learn more about the Docker+Wasm Technical Preview that enables all developers to quickly & easily build applications that target Wasm runtimes.
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Racket v8.5
Racket version 8.5 is now available from https://download.racket-lang.org. As of this release: Racket's new `-y` flag automatically keeps compiled files up to date, reducing subsequent load times. Error-message realms allow Racket-hosted langua...
246
Nyxt 3 Pre-release 1 (a Lisp powered web browser)
We are so happy to announce that after 6 months some 1.5K+ commits, we are ready to show you a preview of Nyxt 3! As always, there's a lot of new features (bugs), so your feedback is critical!
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Bevy 0.7: data oriented game engine built in Rust
Thanks to 123 contributors, 349 pull requests, and our generous sponsors, I'm happy to announce the Bevy 0.7 release on crates.io! For those who don't…
248
Use Git tactically
How you can use micro-commits to effectively apply the Strangler Fig pattern.
249
Using a Raspberry Pi as a Bluetooth Speaker with PipeWire
Using PipeWire, WirePlumber and a Raspberry Pi, you can create an audio bridge between a Bluetooth® device and an analog speaker system. Here's how.
250
Implementing "seen by" functionality with Postgres
Different approaches for tracking visitor counts with PostgreSQL.
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Rails adds support for Fiber-safe ActiveRecord ConnectionPools
ActiveRecord's ConnectionPool is now fiber-safe! Configure config.active_support.isolation_level for better throughput.
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Rewriting Libimagequant in Rust for Portability
libimagequant is a library for generating high-quality palettes, useful for compression of transparent PNG images (~75% smaller!) and making nice GIF animations .
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Will Hare replace C? Or Rust? Or Zig? Or anything else?
If the short answer leaves you wanting, keep reading. I must admit that this sentence from the Hare announcement may have caused some confusion:
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Build your own web framework
Historical tutorial for building a web framework on Vercel, updated with current Vercel Functions and Routing Middleware terminology.
256
jQuery 3.6.2
jQuery: The Write Less, Do More, JavaScript Library
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Deno 1.27
Deno 1.27 ships with major improvements for IDEs, better support for npm packages, navigator.language Web API and more.
258
Bun 0.3
Massive reduction in memory usage, faster text encoding, improved Jest compatibility, file-system routing, automatic package installs, and a lot more
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Fresh 1.1 – Automatic JSX, plugins, DevTools, and more
This release makes Fresh even more powerful with automatic JSX, plugins, DevTools integration and more.
260
The Protobuf Language Specification
A comprehensive definition of the language, to empower a vibrant Protobuf ecosystem.
261
A cost model for Nim
This blog post is the beginning of a cost model for the implementation that is available via `Nim devel` aka Nim version 2.
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REPL Driven Minecraft
A tale of optimization during the ClojureD Minecraft workshop
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GraalVM 22.1: Developer experience improvements, Apple Silicon builds, and more
Today we’re releasing GraalVM 22.1! This release brings new features and lots of improvements — we’ll cover the highlights in this blog…
265
Sorbet: Stripe's Type Checker for Ruby
Stripe uses Sorbet to type check our 15 million lines of Ruby code, making engineers more productive. Here's why we love Sorbet.
266
Mach v0.1: Cross-platform Zig graphics
Five months ago we announced some of our vision for Mach & the future of graphics with Zig. Today we've reached Mach v0.1 with over 1,100 commits.
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SQLite Release 3.39.0
A complete list of SQLite releases in a single page and a chronology are both also available. A detailed history of every check-in is available at SQLite version control site .
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Spin – WebAssembly Framework
Read some of the latest blog posts from Akamai Developers.
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Packed structs in Zig make bit/flag sets trivial
As we've been building Mach engine, we've been using a neat little pattern in Zig that enables writing flag sets more nicely in Zig than in other languages. Here's a brief explainer.