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Writing a Game Boy emulator
I've always wanted to write an emulator from scratch, but I've held off for a long time because it's probably the most advanced programming project I've ever wanted to do.
Topics /
Software Engineering
The most popular blog posts about software engineering on Hacker News. 14,535 posts.
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Writing great documentation
A series of articles laying out the tools, tips, and techniques I’ve learned over the years I’ve spent helping to write Django’s docs.
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When TCP sockets refuse to die
While working on our Spectrum server , we noticed something weird: the TCP sockets which we thought should have been closed were lingering around. We realized we don't really understand when TCP sockets are supposed to time out!
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The type system is a programmer's best friend
Programming, Coffee and Indie Hacking
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Common Beginner Mistakes with React
I used to teach React at a local coding bootcamp, and I noticed that students kept getting tripped up by the same handful of things. In this article, we're going to go through 9 of the most dastardly gotchas. I'll show you how to solve these common problems, so you can avoid a lot of potential frustration!
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Swift is a more convenient Rust
Mercy4D jadi lounge gaming digital buat yang pengen main dengan suasana lebih nyaman. Game online yang tersedia beragam, tampilannya enak dilihat, jadi mau jelajah sebentar atau lanjut lama tetap terasa santai dan nggak monoton.
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Demand for Ruby on Rails is Still Huge
TL;DR Looking at job postings, Rails is more popular than Django, Laravel or Express. By a lot. If you specifically measure startup cities…
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Learning Go by porting a medium-sized web back end from Python
How I learnt the basics of Go (its good parts as well as a few quirks) by porting a medium-sized web backend from Python.
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Four features that justify a new Unix shell
On a lobste.rs thread about the rationale for the Fennel language, I posted this summary of why Oil exists:
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Hostnames
The idea is to come up with some kind of category, so that people have something to remember all the names by. Some categories: Geographical (countries, cities, parks, rivers, lakes, streets), entertainment (flintsones, simpsons, disney films, celebrities), companies (hotels, airports, local shops, restarants)…
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Readme Driven Development
I hear a lot of talk these days about TDD and BDD and Extreme Programming and SCRUM and stand up meetings and all kinds of methodologies and techniques for developing better software, but it’s all irrelevant unless the software we’re building meets the needs of those that are using it. Let me put that another way. A…
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Go ahead, write the “stupid” code
When I finished school in 2010 (yep, along time ago now), I wanted to go try and make it as a musician. I figured if punk bands could just learn on the job, I could too. But my mum insisted that I needed to do something, just in case. So I went down to the local TAFE (this is like a trade school in Australia, though…
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Algebraic Data Types: Things I wish someone had explained about FP
Algebraic data types and algebraic data structures sound similar. It’s like they ought to be the same thing. But they’re not. They both have ‘algebraic’ in the name, so it’s confusing. I got them mixed up at times. Others have too. But, they’re different concepts. Understanding the difference will help if you’re…
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Betting on the Web – Why I Build PWAs
Note: I just spoke at Coldfront 2017 about why I’m such a big proponent of the Web. What follows is essentially that talk as a blog post (I’ll add a link to the video once it is published).
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Logical fallacies in software engineering
How our mind falls short trying to short cut.
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Anti-Patterns Every Programmer Should Be Aware Of
A discussion of software design and programming anti-patterns to know for every programmer, with examples.
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40 Years of Programming
In April, 1984, my father bought a computer for his home office, a Luxor ABC-802 , with a Z80 CPU, 64 kilobytes of RAM, a yellow-on-black screen with 80 by 25 text mode, or about 160 by 75 pixels in graphics mode, and two floppy drives. It had BASIC in its ROM, and came with absolutely no games. If I wanted to play…
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When FFI Function Calls Beat Native C
Over on GitHub, David Yu has an interesting performance benchmark for function calls of various Foreign Function Interfaces ( FFI ):
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The Death of Cocoa
For many of us, the simplicity, elegance, and performance of Apple’s hardware and software working together are the reason why we build on their platforms. And yet, after just a few months of working with Swift, Cocoa has begun to lose its luster.
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Teeing, a hidden gem in the Java API
Last week, I described a use-case for a custom Stream Collector. I received a intriguing comment on Twitter: There was a 'Moved Permanently' error fetching URL: 'https://twitter.com/Miguucm/status/1389258245886390292' Hats off to you, Miguel! Your comment revealed a method I didn’t know! So I decided to investigate…
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The evolution of a structural code editor
This post outlines the evolution of the EYG editor. The major changes over time, design thoughts and some implementation notes.
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Searchcode.com’s SQLite database is probably 6 terabytes bigger than yours
searchcode.com’s SQLite database is probably one of the largest in the world, at least for a public facing website. It’s actual size is 6.4 TB. Which is probably 6 terabytes bigger than yours. …
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The Polygons of Doom: PSX
It was a pleasure to research the material for the "Polygons of Another World" articles [1] . All the machines I studied were different from one another. The diversity I witnessed in the Amiga, Atari ST, PC, SNES, Genesis, GBA, and Jaguar demonstrated the richness of a field then still in its dawn. As I concluded the…
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Evolutionary couplings between files reveal poor software design choices
Given a software code repository together with all commit history, can you spot potentially problematic parts of the software?This is the question I have bee...