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The best WebAssembly runtime may be no runtime
When we think “a fast AOT WebAssembly compiler and runtime”, we typically think about V8, Wasmer, WasmEdge or Wasmtime.
New
The latest blog posts to take off on Hacker News. 1,733 posts.
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Text Editor Data Structures: Rethinking Undo
Undo and redo have been a staple operation of text editors probably since the first typo was ever made, yet there has not been a lot of innovation around refining the idea of what undo and redo could be. Let’s explore what I mean…
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Magical Fibonacci Formulae
The following Python function computes the Fibonacci sequence , without loops, recursion or floating point arithmetic:
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Building a bare-metal bootable game for Raspberry Pi in C#
How I built a graphical bootable "game" for the Raspberry Pi (or any other modern computer) in C#.
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Fixing Classical Cats: How I got tricked by 28-year-old defensive programming
Every now and then, when working on ScummVM’s Director engine, I run across a disc that charms me so much I just have to get it working right away....
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Bad NEWS, Emacs
Post by Eshel Yaron about changes for the worse in Emacs 30 registers feature
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How many lines of C it takes to execute a + b in Python
Understand the mechanics of dynamic dispatch implementation in CPython
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Fuzzy Finding with Emacs Instead of Fzf
fzf is a popular tool among command line hackers. But if you're an Emacs user, it's hard to use as it requires an interactive terminal. What if you could use Emacs to do the fuzzy finding instead of fzf?
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Scrambling eggs for Spotify with Knuth's Fibonacci hashing
In this blog post, we explore Spotify's journey from using the Fisher-Yates shuffle to a more sophisticated song shuffling algorithm that prevents clustering of tracks by the same artist. We then connect this challenge to Fibonacci hashing, and propose a novel, evenly distributed artist shuffling method.
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You are never taught how to build quality software
Learning how to build quality software is not part of computer science education. How do we learn it?
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Postgres Language Server: Implementing the Parser
A detailed analysis of our iterations to implement a Parser for Postgres
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Making noisy SVGs
Adding noise texture with only code
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Everyday performance rules for Ruby on Rails developers
Delve into best practices for HTTP, Ruby on Rails, and databases, and discover when to adhere to the rules or when breaking them could set your code apart.
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A Critique on “A Critique on the OpenPGP Updates”
An occasional blog about OpenPGP keyservers and related issues
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Long context prompting for Claude 2.1
Claude 2.1 excels at retrieving information across its 200K context window, with a simple prompt adjustment improving accuracy from 27% to 98%. Claude 2.1’s performance when retrieving an individual sentence across its full 200K token context window.
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Wikifunctions
The new library of functions will answer questions and enhance knowledge. Everyone, everywhere can access and contribute to it now.
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Databases are the endgame for data-oriented design
For the first SpacetimeDB blog post, I’d like to clear up some confusion that I’ve seen arise in discussions about SpacetimeDB and address some general misperceptions about databases. My sense is tha…
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Rethinking serverless with FLAME
Imagine if you could auto scale simply by wrapping any existing app code in a function and have that block of code run in a temporary copy of your app
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Why is Jepsen written in Clojure?
People keep asking why Jepsen is written in Clojure , so I figure it’s worth having a referencable answer. I’ve programmed in something like twenty languages. Why choose a Weird Lisp?
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JSONB has landed
JSONB is a rewrite of the SQLite JSON functions that, depending on usage patterns, could be several times faster than the original JSON functions. This enhancement has now landed on trunk .
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Go Testing by Example [video]
I opened GopherCon Australia in early November with the talk “Go Testing By Example”. Being the first talk, there were some A/V issues, so I re-recorded it at home and have posted it here:
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For processing strings, streams in C++ can be slow
The C++ library has long been organized around stream classes, at least when it comes to reading and parsing strings. But streams can be surprisingly slow. For example, if you want to parse numbers, then this C++ routine is close to being the worst possible choice for performance: std::stringstream in(mystring)…
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All my favorite tracing tools
Ever wanted more different ways to understand what’s going on in a program? Here I catalogue a huge variety of tracing methods you can use for varying types of problems. Tracing has been such a long-standing interest (and job) of mine that some of these will novel and interesting to anyone who reads this. I’ll…
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The challenges of supporting foreign key constraints
Today, PlanetScale launched support for foreign key constraints. This article covers some of the behind-the-scenes technical challenges we had to overcome to support them.
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iMessage, explained
This blog post is going to be a cursory overview of the internals iMessage, as I’ve discovered during my work on pypush, an open source project that reimplements iMessage.
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How Beeper Mini Works
It’s a technical deep dive, so buckle up!
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How does Shazam work? (2022)
Your phone's ability to identify any song it listens to is pure technological magic. In this article, I'll show you how one of the most popular apps, Shazam , does it. The founders of Shazam released a paper in 2003 documenting how it works, and I have been working on an implementation of that paper, abracadabra .
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A study of Google's code review tooling (Critique)
A study of Google's code review tooling (Critique), AI-powered improvements, and recent statistics