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Software Engineering

The most popular blog posts about software engineering on Hacker News. 21,842 posts.

Any year
15151

Fix Terminals

I want terminal keypresses to Just Work. What do I mean Just Work? I mean programs in a simple orthogonal way, can determine the key that was pressed, and this model should easily map to the user's expectation.

15152

The best worst hack that saved our bacon

No-one really likes engineering war stories, but this one's relevant because there's a moral to it. I've talked before about defining technical debt as technical decisions that provide immediate value, but with long-term negative impact if they aren't cleaned up. Sometimes introducing technical debt

15161

Non-Lexical Lifetimes in Rust

Over the last few weeks, I’ve been devoting my free time to fleshing out the theory behind non-lexical lifetimes (NLL). I think I’ve arrived at a pretty good point and I plan to write various posts talking about it. Before getting into the details, though, I wanted to start out with a post that lays out roughly how…

15172

Building a high performance JSON parser

JSON is important, damn near everything that we do as programmers or operators involves JSON at some point. JSON decoding is expensive, if your product talks JSON then performance of marshalling data in and out of JSON is important. This is a talk about designing an efficient replacement for encoding/json.Decoder .

15176

SIMD for Collision

In a previous post SIMD Matters I discussed the big wins I got from graph coloring to make the contact solver faster. That same approach exists in Box3D. I like to call this approach “wide SIMD”. The idea is to process multiple work units at the same time. In the contact solver this means solving four contact points…