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Software Engineering

The most popular blog posts about software engineering on Hacker News. 1,020 posts.

2021
186

There is no 'printf'

In C, 'main' returns an int. What happens when you don't explicitly return a value, though? C99 provides a return value of 0, but C89... well, that's undefined, my favorite kind of behavior.

190

How to Learn Nix

It's like a Let's Play, but for obscure software documentation. I tried to learn Nix, and it was pretty hard. I kept a diary of every command I tried, every wrong assumption that I made, and every realization that I had along the way.

192

GC progress from JDK 8 to JDK 17

JDK 17 has been out for a few months and it’s not just packed with new language features. The performance boost compared to older JDK versions is also really significant. It becomes especially clear when compared to the previous LTS releases, JDK 8 and JDK 11. Much of the improved performance comes from new features…

198

Piano Practice Software Progress

First an apology. I started this project because during the first 9 months of the COVID-19 pandemic business was down to a fraction of what it was before then, and I had a lot of time on my hand. But that has changed now and there is a lot of work in my ‘day job’, so I don’t have a whole lot of time to work on the…

200

State of the Common Lisp ecosystem, 2020

This is a description of the Common Lisp ecosystem, as of January, 2021, from the perspective of a user and contributor.The purpose of this article is both to give an overview of the ecosystem, and to help drive consolidation in each domain.Each application domain has recommendations for consolidating that part of the…

202

They don't even know the fundamentals

Ah yes, the fundamentals or endless list of things that everybody working in the field ought to know. Atomicity, something, something, Durability? To avoid any future embarrassments I made sure to dust off my Wild Hog book 1 and re-read the section on ACID. Here’s an excerpt directly from the book:

204

“I Could Rewrite Curl”

Collected quotes and snippets from people publicly sneezing off or belittling what curl is, explaining how easy it would be to make a replacement in no time with no effort or generally not being very helpful. These are statements made seriously. For all I know, they were not ironic. If you find others to add ……

205

Async Ruby

Async Ruby is a powerful and highly scalable concurrency feature. It's available today, it's production-ready, and it's an awesome addition to Ruby language!

207

Functorio

You might have heard people say that functional programming is more academic, and real engineering is done in imperative style. I’m going to show you that real engineering is functional, and …

209

Simple Systems Have Less Downtime (2020)

The Maersk Triple-E Class container ship is 1,300 feet long, carries over 18,000 containers across 11,000 miles between Europe and Asia, and… Its entire crew can fit inside a passenger van. As a former naval architect and a current marketing consultant to startups, I found that