3451
The big six matrix factorizations
Six matrix factorizations dominate in numerical linear algebra and matrix analysis: for most purposes one of them is sufficient for the task at hand. We summarize them here. For each factorization …
Topics /
Software Engineering
The most popular blog posts about software engineering on Hacker News. 14,535 posts.
3452
Communicating Sequential Processes
With the arrival of core.async , ClojureScript provides a powerful advantage over other popular compile to JavaScript languages like CoffeeScript , Dart , and TypeScript . These languages fail to address the single largest source of incidental complexity for any sizeable client side application - concurrency. In my…
3453
Extracting Objects Recursively with Jq
The Algolia-powered Hacker News API returns nested comment threads that look like this: https://hn.algolia.com/api/v1/items/27941108
3454
Using Erlang hot code updates
One of the Erlang ecosystem's spiciest nerd snipes are hot code updates. Because it can do it. In ways that almost no other runtime can. I use Elixir which builds on Erlang and has the same capabilities.
3455
Thinking Psycopg3
Sponsoring this project will help achieve swift completion and ensure the maintenance of psycopg2, psycopg3 and other related projects.
3456
Analyzing the codebase of Caffeine, a high performance caching library
The other day, while wasting time reading reddit, I stumbled upon a blogpost mentioning S3 FIFO, a method claiming to outperform LRU (Least Recently Used) in terms of cache miss ratio. Notable companies like RedPandas, Rising Wave, and Cloudflare have already implemented it in various capacities, so this piqued my…
3457
3458
Tony Hoare has died
Limousin, Saint-Yrieix-la-perche, Périgord, Université, société, Livres, citations, Nantes, Jumilhac
3459
How LLVM Optimizes a Function
This is very nice summary of IR Passes. I found “InstCombine” pass to be easier to start with to understand the code flow in LLVM IR Pass. Maybe the beginners can start with that first.
3460
You can't fool the optimizer
Pattern recognition can see through obfuscated code to find the right instruction
3461
JSX over the Wire
Turning your API inside-out.
3462
Vulnerability research is cooked
Vulnerability discovery has always been gated by elite attention. Elite attention is now abundant. What happens next?
3463
3464
Python Type Hints – *args and **kwargs (2021)
When I started writing type hints, I was a little confused about what to do with Python’s variable argument operators, * and ** (often called *args and **kwargs). Here’s what I figured out.
3465
3466
Uncovering the mechanics of The Games: Winter Challenge
An investigation into The Games; Winter Challenge
3467
3468
Category Theory for Programmers (2014)
Table of Contents Part One Category: The Essence of Composition Types and Functions Categories Great and Small Kleisli Categories Products and Coproducts Simple Algebraic Data Types Functors Functo…
3469
Better Bash History (2012)
By default, the Bash shell keeps the history of your most recent session in the .bash_history file, and the commands you’ve issued in your current session are also available with a history call. These defaults are useful for keeping track of what you’ve been up to in the shell on any given machine, but with disks much…
3470
OCaml at First Glance
You never get a second chance to make a first impression.
3471
Finger Trees: A Simple General-Purpose Data Structure (2006)
Finger Trees: A Simple General-purpose Data Structure
3472
3473
Introduction to Facebook's Flux architecture
If you’re like me and you wanted to go further with React, you more than likely would’ve checked out Flux , had a glance, closed the tab and then reassessed…
3474
Let’s Build a Video Card
In these videos, I talk about how VGA signals work and build a circuit that provides the correct timing of sync signals so that a monitor recognizes the signal and displays an image stored on an EEPROM.
3475
Why Discourse uses Ember.js
This week, I was delighted to finally reveal Discourse, the app I’ve been working on for most of the last year in secrecy with awesome people. The launch got a lot of attention - we were …
3476
3477
My First Unikernel
I wanted to make a simple REST service for queuing file uploads, deployable as a virtual machine. The traditional way to do this is to download a …
3478
Curl hearts Mozilla
Today Mozilla revealed the new logo and "refreshed identity". The new Mozilla logo uses the colon-slash-slash sequence already featured in curl's logo as I've discussed previously here from back before the final decision (or layout) was complete. The sentiment remains though. We don't feel that we can in any way claim…
3479
An Introduction to Stock Market Data Analysis with R – Part 1
This is my first article in a two-part series introducing stock data analysis using R.
3480
Whose bug is this anyway?
Some bugs look so impossible you start blaming the OS, the tools, or the compiler. This post digs into three of them.