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What the Flux?
Flux by Facebook is an architectural pattern for using their React library. This post helps explain flux in easy to understand ways.
Top posts
Every blog post that took off on Hacker News, ranked by the votes of its best submission. 14,544 posts.
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Fast and easy Levenshtein distance using a trie (2011)
<img src="http://stevehanov.ca/blog/images/acer.jpg"/> If you have a web site with a search function, you will rapidly realize that most mortals are terrible typists. Many searches contain mispelled words, and users will expect these searches to magically work. This magic is often done using levenshtein distance. In…
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Beyond OpenAPI
Let's write the docs like it's 2023.
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Refining Ruby
What does the following code do? If you answered
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Avy Can Do Anything
Update (2024-09-08): Read this article in Japanese at Qiita or at Emacs-JP. You’re using Avy wrong. Too harsh? Let me rephrase: you’re barely using Avy. Still too broad? Okay, the noninflammatory version: Avy, the Emacs package to jump around the screen, lends itself to efficient composable usage that’s obscured by…
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Clojure Distilled
The difficulty in learning Clojure does not stem from its syntax, which happens to be extremely simple, but from having to learn new methods for solving problems. As such, we'll focus on understanding the core concepts and how they can be combined to solve problems the functional way.
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How copying an int made my code 11 times faster
I have moved off Medium to a personal blog. Click here for the updated post.
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Introduction to Artificial Neural Networks – Part 1
This is the first part of a three part introductory tutorial on artificial neural networks. In this first tutorial we will discover what neural networks are, why they're useful for solving certain types of tasks and finally how they work.
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Parsing the Infamous Japanese Postal CSV
Late last year I released posuto, a package presenting Japanese postal code data in an easy-to-use format. It's based on data released by Japan Post, which is infamous for being widely used but hard to parse.
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Faster Integer Parsing
Back with a post after 6 years of silence. If you had to parse a microsecond-resolution epoch timestamp as quickly as possible, how would you do it? We’ll take a look at using compiler intrinsics to do it in log(n) time.
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(Android) Developer Income Report #14
As many of you already know I am publishing my monthly income reports each month. Here is another one that will sum up the August 2011. As I have discovered some new methods to make your applicatio…
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The essence of Reed-Solomon coding
Let’s say we want to store some data on multiple drives, so that we can recover from drive failures.
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On concepts and realities
It’s been really interesting seeing how people have responded to the idea of Light Table over the past week and understandably there have been a lot of questions as the ideas have sunk in (for me too). Many of these are questions about the details of exactly how this or that feature will work and that brings me to…
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Threads and Goroutines
So after several years of reading oversimplified and flat out incorrect comments about threads and fibers/goroutines/async/etc and fighting this reaction: I’ve decided to write my own still-over-simplified all in one guide to the difference between a couple popular threads and fiber implementations. In order to…
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Publishing my first game using PICO-8
TL/DR; Play/Download a copy from itch.io I had always wanted to create games. In fact its one of the reasons I went down the development path. For various reasons I never invested enough time …
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Making Git and Jupyter Notebooks play nice
Summary: jq rocks for speedy JSON mangling. Use it to make powerful git clean filters, e.g. when stripping out unwanted cached-data from Jupyter notebooks. You can find the documentation of git 'clean' and 'smudge' filters buried in the page on git-attributes , or see my example setup below.
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Castlevania III Password Algorithm
An explanation of the Castlevania III password algorithm, including name hashes, payload encoding, decoding, special names, and all valid passwords.
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A tale about fixing eBPF spinlock issues in the Linux kernel
A system freeze led us deep into Linux spinlock internals, where we helped find not one but three bugs in the kernel's resilient locking code used by eBPF.
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Design Issues in LLVM IR
On the whole, LLVM has a well-designed intermediate representation (IR), which is specified in the language reference . However, there are a number of areas where design mistakes have been made. And while the LLVM project is generally open to addressing such issues, mistakes in core IR design tend to be firmly…
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Compiler Basics: LLVM
Writing a lisp compiler from scratch in JavaScript: 3. LLVM
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A skeptic's first contact with Kubernetes
Key concepts & much deserved YAML ranting
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Mistakes I see engineers making in their code reviews
In the last two years, code review has gotten much more important. Code is now easy to generate using LLMs, but it’s still just as hard to review. Many software…
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Bringing the web up to speed with WebAssembly
Bringing the web up to speed with WebAssembly Haas et al., PLDI 2017 This is a joint paper from authors at Google, Mozilla, Microsoft and Apple describing the motivations for WebAssembly together w…
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Ditch your version manager
Try Nix and don't look back.