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Topics /
Software Engineering
The most popular blog posts about software engineering on Hacker News. 21,834 posts.
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Fuzzing is magic – Or how I found a panic in Rust's regex library
Going through the steps of using cargo fuzz to find bugs in Rust projects
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NumPy 1.20
This NumPy release is the largest so made to date, some 684 PRs contributed by 184 people have been merged. See the list of highlights below for more details. The Python versions supported for this release are 3.7-3.9, support for Python 3.6 has been dropped. Highlights are
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Embedded Rules of Thumb (2018)
26 April 2018 by Phillip Johnston • Last updated 10 June 2021You may call them guidelines, heuristics, or rules of thumb. No matter, the purpose is the same: to provide a reasonable approximation of the truth. These rules of thumb can help guide your understanding of the systems you work on, focus you toward the ……
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Memory efficiency of parallel IO operations in Python
Python allows for several different approaches to parallel processing. The main issue with parallelism is knowing its limitations. We either want to parallelise IO operations or …
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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.
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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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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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Bit-twiddling optimizations in Zed's Rope
From the Zed Blog: In this episode of Zed Decoded, Thorsten and Antonio walk through the performance optimizations Antonio when working on Zed's Rope data structure before they then pair on adding more optimizations
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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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Recovering deleted files using grep
I was working on a server this morning and accidentally deleted an important configuration file. Like many Linux users, I lamented the absence of an “undelete” command.
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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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Understanding Recursive Queries in PostgreSQL
This article gives a simple introduction with examples to recursive queries in PostgreSQL. It also includes a comparison to Oracle recursive queries.
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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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Multi-Value All the Wasm
Multi-value is a proposed extension to core WebAssembly that enables functions to return many values, among other things. It is also a prerequisite for Wasm interface types. Nick Fitzgerald has ...
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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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OCaml Onboarding: Introduction to the Dune build system
Welcome to all Camleers We are back with another practical walkthrough for the newcomers of the OCaml ecosystem. We understand from the feedback we have gathered over the years that getting started with the OCaml Distribution can sometimes be perceived as challenging at first. That's why we keep it ...
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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 …