Super HN

New Show
31. Goodbye, Microsoft: Schleswig-Holstein Relies on Open Source and Saves Millions
Schleswig-Holstein saves 15 million euros in license costs by migrating from Microsoft to free software. The conversion is significantly cheaper.
32. Java Hello World, LLVM Edition
33. Estimates are difficult for developers and product owners
Product Owner: Hey, how long do you believe Feature F will take? Developer: Idk. We haven’t even started working on it and it’s bound to stir up some old issues.
34. Minimum Viable Arduino Project: Aeropress Timer
35. Building a Toast Component
How I built Sonner, an opinionated toast library for React used by milions.
36. Spinlocks vs. Mutexes: When to Spin and When to Sleep
You’re staring at perf top showing 60% CPU time in pthread_mutex_lock. Your latency is in the toilet. Someone suggests “just use a spinlock” and suddenly your 16-core server is pegged at 100% doing nothing useful. This is the synchronization primitive trap, and most engineers step right into it because nobody explains when each primitive actually makes sense.
37. Brighton ban Guardian from stadium over reporting on Tony Bloom
Reporters and photographers have been banned by the Premier League club, as a Guardian spokesperson said the reporting was in the public interest
38. At least 50 hallucinated citations found in ICLR 2026 submissions
GPTZero used our Citation Check tool to find 50+ Hallucinations under review at ICLR, each of which were missed by 3-5 peer reviewers.
39. Vanity Activities
Vanity Activities A few weeks ago, I came across a ~4,000-word guide to something called “credit card churning”. The essay had gone viral. Plenty of...
40. Eurydice: a Rust to C compiler (yes)
Perhaps the greatest surprise of the last two years was, for me, the realization that people not only care about compiling C to Rust (for obvious reasons, such as, ahem, memory safety) – they also care about compiling Rust to C! Wait, what?
41. The programmers who live in Flatland
In the book Flatland: A Romance of Many Dimensions, a two-dimensional world called “Flatland” is inhabited by polygonal creatures like triangles, squares, and circles. The protaganist, a square, is visited by a sphere from the third dimension. He struggles to comprehend the existence of another dimension even as the sphere demonstrates impossible things. It’s a…
42. What the heck is going on at Apple?
Apple for decades has been known for a consistent string of design-forward, tech-defining consumer products that have shaped how people use technology.
43. Using LLMs at Oxide
44. Discovering the Indieweb with Calm Tech
45. Semantic Compression (2014)
An introduction to the idea that code should be approached with a mindset towards compressing it semantically, rather than orienting it around objects.
46. Show HN: Spotify Wrapped but for LeetCode
See your leetcode year in review! Contribute to collinboler/leetcodewrapped development by creating an account on GitHub.
47. Evidence from the One Laptop per Child Program in Rural Peru
Founded in 1920, the NBER is a private, non-profit, non-partisan organization dedicated to conducting economic research and to disseminating research findings among academics, public policy makers, and business professionals.
48. Ziglings: Learn the Zig programming language by fixing tiny broken programs
exercises - Learn the ⚡Zig programming language by fixing tiny broken programs.
49. What even is "literate programming"?
50. Kilauea erupts, destroying webcam [video]
HAWAIʻI VOLCANOES NATIONAL PARK - An incredible sight at the summit of Kilauea volcano on Saturday morning, as Episode 38 erupted enormous lava fountains acr...
51. Puppy Linux
52. GrapheneOS is the only Android OS providing full security patches
GrapheneOS is the only Android-based OS providing the full security preview patches. Samsung ships a small subset of their flagship devices. Pixel stock OS gets a portion of it early but we aren't sure exactly how much since they don't follow their guidelines for listing patches.
53. How the Disappearance of Flight 19 Fueled the Legend of the Bermuda Triangle
Eighty years ago, five planes vanished during a training run off the Florida coast. A patrol plane sent to search for the men went missing, too, giving rise to a host of conspiracy theories
54. Toyota Unintended Acceleration and the Big Bowl of "Spaghetti" Code(2013)
55. Proxmox delivers its software-defined datacenter contender and VMware escape
56. OMSCS Open Courseware
57. Netflix to Acquire Warner Bros. In an $82.7B Deal
58. iced 0.14 has been released (Rust GUI library)
A cross-platform GUI library for Rust, inspired by Elm - Release 0.14.0 · iced-rs/iced
59. The past was not that cute
60. Context Plumbing (Interconnected)