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Melange 1.0: Compile OCaml / ReasonML to JavaScript
Hey folks, this is a special one. Melange 1.0 The Melange team and I are thrilled to announce the release of Melange 1.0 today, marking a major milestone in...
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Software Engineering
The most popular blog posts about software engineering on Hacker News. 1,733 posts.
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Use GitHub Actions to Make Your GitHub Profile Dynamic
Automatically Update Your Profile with Fresh Content and Showcase Your Latest Work
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Two algorithms for randomly generating aperiodic tilings
[Part of a series: Penrose and hats | Spectres | finite-state transducers | more transducers | refining tilings ]
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Elixir/Erlang Secure Coding and Deployment Hardening Guidelines
Documentation, specifications and code from the Security Working Group of the Erlang Ecosystem Foundation
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Fascination of Awk
I describe why AWK is great for prototyping and is often the best alternative to the shell and Python
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Making PostgreSQL tick: New features in pg_cron
Since pg_cron 1.5, you can easily schedule jobs that run every 1-59 seconds. And pg_cron 1.6 added support for Postgres 16. This blog post walks you through the benefits of second granularity jobs with the pg_cron open source extension to Postgres.
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Ten years of “Go: The good, the bad, and the meh”
I wrote a blog post ten years ago. How do I feel about it now?
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How to design software architecture for startups
A good software architecture for a startup looks very different from the one you might build for an enterprise system. Here is what worked for us.
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Memory safety is necessary, not sufficient
TL;DR: I think that a focus on memory safe languages (MSLs) versus non memory-safe languages is a bit of a red herring. The actual distinction is slightly…
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Crafting container images without Dockerfiles
Last month I have been developing a Rust tool to create container images from Conda environments, without going through Docker. It was a wild trip down the rabbit hole of OCI images, so I thought I’d share part of the adventure here. Enjoy! But why? If you are used to building container images, you might be asking…
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Ruby 3.3's YJIT: Faster While Using Less Memory
This year, the YJIT team has been working hard to improve and optimize YJIT. We’re proud to say that the version of YJIT to be included with Ruby 3.3 is leaps and bounds ahead of Ruby 3.2’s. It provides better performance across the board, while also warming up faster and using less memory. The 3.3 release is also…
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JEP 430: String Templates (Preview) Proposed to Target Java 21
Enhance the Java programming language with string templates . String templates complement Java's existing string literals and text blocks by coupling literal text with embedded expressions and template processors to produce specialized results. This is a preview language feature and API .
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GitHub merge queue is generally available
Supercharge pull request merges on your busiest branches by enabling your team to queue.
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Updates to the H2O.ai db-benchmark
The H2O.ai db-benchmark has been updated with new results. In addition, the AWS EC2 instance used for benchmarking has been changed to a c6id.metal for improved repeatability and fairness across libraries. DuckDB is the fastest library for both join and group by queries at almost every data size.
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Curl 8.0.0
Exactly one month since the previous release, we are happy to give you curl 8.0.0 released on curl's official 25th birthday. This a major version number bump but without any ground-breaking changes or fireworks. We decided it was about time to reset the minor number down to more a manageable level and doing it exactly…
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The magic of small databases
Notes on personal libraries, collections and small indexes on the web
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Deno 1.39: The Return of WebGPU
We've re-added WebGPU, added new deno coverage reporters, made substantial Node.js compatibility improvements, and more.
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The Smallest Hash Table
This December I once again did the Advent of Code , in Rust. If you are interested, my solutions are on Github. I wanted to highlight one particular solution to the day 2 problem as it is both optimized completely beyond the point of reason yet contains a useful technique. For simplicity we’re only going to do part 1…
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Sips: Scriptable Image Processing System
I wanted to convert some .webp images to .png on my Mac. I asked ChatGPT:
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Training NanoGPT on My Journal
Wouldn't it be great to have a pet AI chat bot that knows you really well, and can give you free consulting, coaching and therapy ? What could possibly go wrong if an intelligent corporate-controlled system has unlimited access to your private data to provide you the best possible service? Well... a lot of things.
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How to think about async/await in Rust
(This is a section of the lilos intro guide that people seemed to like, so to increase its visibility, I’m lifting it up into its own post and expanding it a bit. I hope this is a useful companion piece to the post on async debugging I posted this morning.))
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Why does email development have to suck? – Explaining all the <tr>'s and <td>'s
Email clients have quirks that force you to use <table> elements, inline styles, and follow other bad practices that make development complicated.
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Hotspot performance engineering fails
Developers often believe that software performance follows a Pareto distribution: 80% of the running time is spent in 20% of the code. Using this model, you can write most of your code without any care for performance and focus on the narrow pieces of code that are performance sensitive. Engineers like Casey Muratori…
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Zulip 7.0: Threaded open-source team chat
We’re excited to announce the release of Zulip Server 7.0, containing hundreds of new features and bug fixes! Zulip is an open-source team chat application designed to help people collaborate to solve any challenge. With conversations organized by topic, Zulip is ideal for both live and asynchronous …
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From Stacks to Trees: A new aliasing model for Rust
Since last fall, Neven has been doing an internship to develop a new aliasing model for Rust: Tree Borrows. Hang on a second, I hear you say – doesn’t Rust already have an aliasing model? I...
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