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The most popular blog posts about software engineering on Hacker News. 1,274 posts.

2018
482

Making Pulled Pork with React Native, Expo, and Express

I was planning to make pulled pork the next day. That evening I set up the Weber kettle, got out the bag of charcoal and some chunks of apple wood, and laid everything out. Mise en place , as they say. I’d be waking up at 7am the next morning to light it up, and I didn’t trust my sleepy self to remember everything.

483

Fast base64 encoding and decoding

Computers store data as streams of bits. Binary files like image, audio or video files are allowed to contain just about any sequence of bits. However, we also often use text formats; for example, web pages and emails are required to be text. So how do we send images by email? How do we embed … Continue reading…

500

Fast line-following robots

Since February 2016, I have been participating in DIYRobocars meetups here in the SF Bay Area, wherein a bunch of amateur roboticists compete in autonomous time trials with RC cars. I had been doing very well in the competition with essentially just a glorified line-following robot, but have lately upgraded to a full…

506

Datomic: Event Sourcing without the hassle

When I got started using the Datomic database, I remember someone describing it to me as 'Event Sourcing without the hassle'. Having built Event Sourcing systems both with and without Datomic, I think this is very well put, although it might not be obvious, especially if you don't have much experience with Datomic.

507

Sublime Text 3.1 Released

Since version 3.0 we've been shipping frequent dev builds , refining Sublime Text for a more polished experience all-around. Those dev builds are now rolling out to everyone as Sublime Text 3.1. The full changelog for 3.1 includes every detail, but the following are some we'd like to highlight: