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PEP 572 – Assignment Expressions
This is a proposal for creating a way to assign to variables within an expression using the notation NAME := expr.
Most cited
Posts that commenters keep linking to, ranked by how many different people have cited them in Hacker News comments. 73 posts.
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Getting to Go: Garbage collection and runtime issues
A technical talk about the structure and details of the new, low-latency Go garbage collector.
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Why SQLite Does Not Use Git
SQLite does not use the Git version control system. SQLite uses Fossil instead, which is a version control system that was specifically designed and written to support SQLite.
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Firecracker – Lightweight Virtualization for Serverless Computing
One of my favorite Amazon Leadership Principles is Customer Obsession. When we launched AWS Lambda, we focused on giving developers a secure serverless experience so that they could avoid managing infrastructure. In order to attain the desired level of isolation we used dedicated EC2 instances for each customer. This…
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NCEES discontinuing PE Software Engineering exam
NCEES will discontinue the Principles and Practice of Engineering (PE) Software Engineering exam after the April 2019 exam administration. Since the original offering in 2013, the exam has been administered five times, with a total population of 81 candidates. Only 19 candidates registered for the April 2018…
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Phoenix.LiveView: Interactive, Real-Time Apps. No Need to Write JavaScript
Phoenix LiveView is an exciting new library which enables rich, real-time user experiences with server-rendered HTML.
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Falsehoods Programmers Believe About Names – With Examples
40 common false assumptions programmers make about names, debunked with real-world examples from global naming systems and identity practices.
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Sunsetting React Native
Due to a variety of technical and organizational issues, we will be sunsetting React Native and putting all of our efforts into making…
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Firefox’s new streaming and tiering compiler
People call WebAssembly a game changer because it makes it possible to run code on the web faster. Some speedups are already present, and some are yet to come. With ...
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Calls between JavaScript and WebAssembly are finally fast
At Mozilla, we want WebAssembly to be as fast as it can be. This started with its design, which gives it great throughput. Then we improved load times with a ...
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MacPaint and QuickDraw Source Code (2010)
The Apple Macintosh combined brilliant design in hardware and in software. The drawing program MacPaint, which was released with the computer in January of 1984, was an example of that brilliance both in what it did, and in how it was implemented.
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On Vigna's PCG Critique
On 14 May 2018, Sebastiano Vigna added a page to his website (archived here) entitled “The wrap-up on PCG generators” that attempts to persuade readers to avoid various PCG generators. That day, he al
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Feature comparison of ack, ag, git-grep, GNU grep and ripgrep
There are many greplike tools available to choose from. ripgrep is currently the fastest, which folks seem to focus on, but they have different features. Here's a chart to help you see which tools can do what.
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You can now run WebAssembly on Cloudflare Workers
Today, we're extending Cloudflare Workers with support for WebAssembly. All Workers customers can now augment their applications with WASM at no additional cost.
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How to implement a basic ActivityPub server
Today we’ll be looking at how to connect the protocols powering Mastodon in the simplest way possible to enter the federated network. We will use static files, standard command-line tools, and some simple Ruby scripting, although the functionality should be easily adaptable to other programming languages. First…
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GitLab + Google Cloud Platform = simplified, scalable deployment
We’ve teamed up with Google Cloud Platform – here’s what that means for you.
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Efficiently Generating a Number in a Range
The vast majority of my posts about random number generation have focused on looking at the properties of different generation schemes. But, perhaps surprisingly, the performance of your randomized a
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Beating JSON performance with Protobuf
Protobuf, the binary format crafted by Google, surpasses JSON performance even on JavaScript environments like Node.js/V8 and web browser...
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Building a Language and Compiler for Machine Learning
Since we originally proposed the need for a first-class language, compiler and ecosystem for machine learning (ML), there have been plenty of interesting developments in the field. Not only have the tradeoffs in existing systems, such as TensorFlow and PyTo...
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Oxidizing Source Maps with Rust and WebAssembly
A detailed look at how we replaced the most performance-sensitive portions of the source-map JavaScript Library’s source map parser with Rust code that is compiled to WebAssembly. The results: The ...
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Common Mistakes for New Golang Devs
Go is a simple and fun language, but, like any other language, it has a few gotchas... Many of those gotchas are not entirely Go's fault. Some of these mistakes are natural traps if you are coming from another language....
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The algebra and calculus of algebraic data types
Just as algebra is fundamental to the whole of mathematics, algebraic data types (ADTs) are fundamental to many common functional programming languages. They’re the primitives upon which all of our richer data structures are built, including everything from sets, maps, and queues, to bloom filters and neural networks .
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React Native at Airbnb
In 2016, we took a big bet on React Native. Two years later, we’re ready to share our experience with the world and show what’s next.
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Building a fast Electron app with Rust
When I built Finda , I wanted it to be fast — specifically, to respond to all user input within 16 milliseconds.
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Racket-On-Chez Status
posted by Matthew Flatt with thanks to collaborators Kent Dybvig, Andy Keep, Gustavo Massaccesi, Sarah Spall, Sam Tobin-Hochstadt, and Jon Zeppieri It's been almost a year since we decided to try running Racket on Chez Scheme, and it has been almost six ...
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WebAssembly’s post-MVP future
People have a misconception—they think that the WebAssembly that landed in browsers back in 2017—is the final version. In fact, we still have many use cases to unlock, from heavy-weight ...