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Software Engineering

The most popular blog posts about software engineering on Hacker News. 1,733 posts.

2023
631

Parsing time stamps faster with SIMD instructions

In software, it is common to represent time as a time-stamp string. It is usually specified by a time format string. Some standards use the format %Y%m%d%H%M%S meaning that we print the year, the month, the day, the hours, the minutes and the seconds. The current time as I write this blog post would be … Continue…

635

C++23: Removing garbage collection support

If we go through the list of C++23 features, we can stumble upon the notion of garbage collection twice. Once among the language and once among the library features. Both entries refer to the same paper (P2186R2): garbage collection (GC in short) support is getting removed from C++. Just to make it clear, it’s not…

637

Reorient GitHub pull requests around changesets

I've had the experience of using GitHub as a maintainer for very large open source projects (1000+ contributors), as an engineer for very large closed source corporate projects, and everything smaller. Through those experiences up to today, GitHub pull requests is where I spend almost all of my time while on GitHub…

641

Keras 3.0

Keras 3 runs the same model code on any supported backend, including JAX, PyTorch, and TensorFlow. Learn what's new, how backends work, and how to migrate.

642

Optimizing Open Addressing

Your default hash table should be open-addressed, using Robin Hood linear probing with backward-shift deletion. When prioritizing deterministic performance over memory efficiency, two-way chaining is also a good choice.

643

Python: Just Write SQL

I have been writing a lot more Go this past year. For those not familiar, Go favours a non-ORM, non-query-builder approach to interacting with databases. This comes naturally due to the sql package : A common interface to be used alongside database drivers. It’s very common to see actual SQL in Go, even in large…

649

Hypervisor Development in Rust

In the ever-evolving field of information security, curiosity and continuous learning drive innovation. This blog series is tailored for those deeply engaged in experimental projects, leveraging Rust’s capabilities to push the boundaries of what’s possible. The focus on Rust, after exploring various programming…