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The most popular blog posts about software engineering on Hacker News. 21,819 posts.

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3751

New React DevTools

We are excited to announce a new release of the React Developer Tools, available today in Chrome, Firefox, and (Chromium) Edge! What’s changed? A lot has changed in version 4! At a high level, this new version should offer significant performance gains and an improved navigation experience. It also offers full support…

3753

Probably pay attention to tokenizers

Last week I was helping a friend of mine to get one of his new apps off the ground. I can’t speak much about it at the moment, other than like most apps nowadays it has some AI sprinkled over it. Ok, maybe a bit maybe more just a bit – depends on the way you look at it, I suppose. There is a Retrieval-augmented…

3755

Speeding up sort performance in Postgres 15

Deep dive into the sort performance improvements in PostgreSQL 15, along with charts to visualize what types of queries will be faster. Includes speedups in single column sorts, reduced memory consumption with generation memory context, specialized sort routines for common datatypes, & use of k-way merge.

3759

Top Python libraries of 2016

Last year, we did a recap with what we thought were the best Python libraries of 2015 , which was widely shared within the Python community (see post in r/Python ). A year has gone by, and again it is time to give due credit for the awesome work that has been done by the open source community this year.

3762

New Features in C# 7.0

Here is a description of all the new language features in C# 7.0, which came out last Tuesday as part of the Visual Studio 2017 release. C# 7.0 adds a number of new features and brings a focus on data consumption, code simplification and performance. Perhaps the biggest features are tuples, which make it easy […]

3765

macOS Tahoe windows have different corner radiuses

I’m sometimes late to notice new and terrible things about macOS 26 Tahoe, because I use it only for testing, on a secondary Mac. My main Mac remains on Sequoia, as enforced by Little Snitch . I was of course aware that app windows on Tahoe have exaggerated corner radiuses, but I was unaware until now that the window…

3770

Why take a compiler course? (2010)

[…] Embedded in Academia : Why Take a Compiler Course? – Seconded, or whatever – my compiler course was briefer than I'd have liked but many of my peers didn't take it and I spent ages explaining what I thought where simple concepts to them when working on group projects and the like. […]