Making any integer with four 2s(eli.thegreenplace.net)
338 points by LorenDB | 144 comments
Eli Bendersky's blog post on the puzzle of generating any natural number using exactly four 2s and arbitrary mathematical operations.
First screen, captured . Open the video.

Captured . Click for the whole screenshot.
338 points by LorenDB | 144 comments
Eli Bendersky's blog post on the puzzle of generating any natural number using exactly four 2s and arbitrary mathematical operations.
102 points by dmit | 22 comments
Raph Levien's Linebender blog post describing a JIT technique for fast proportional bitmap text rendering on the RP2350 microcontroller in his vic-2350 project.
5 points by raphlinus | 1 comments
Raph Levien's Linebender blog post describing a JIT technique for fast proportional bitmap text rendering on the RP2350 microcontroller for his vic-2350 project.
64 points by JohnDohnBohn | 15 comments
Blog post presenting a work-in-progress RFC implementation of live VM migration for bhyve on FreeBSD 15.1, covering design, test results, and blockers to upstreaming.
5 points by aaronbrethorst | 0 comments
Blog post by Aaron Brethorst arguing that prompting an AI well is essentially programming, explaining why engineers get more value from LLMs than non-programmers.
338 points by LorenDB | 144 comments
Eli Bendersky's blog post on the puzzle of generating any natural number using exactly four 2s and arbitrary mathematical operations.
371 points by todsacerdoti | 225 comments
Blog post by Jan Wildeboer, second in a series, arguing the web is broken by botnets, likely covering apps embedding SDKs that turn user devices into scraping proxies.
1348 points by xiaoyu2006 | 488 comments
Blog post recounting how an AI agent trying to join the DN42 hobbyist network to scan it ran up a $6531.30 AWS bill for its operator.
344 points by ianthehenry | 112 comments
Ian Henry's blog post making the case for the Janet Lisp dialect as a simple, fun language for side projects, promoting his free book about it.
98 points by jandeboevrie | 23 comments
Blog post by Sandor Dargo introducing the C++26 <debugging> header for programmatic breakpoints, replacing compiler-specific code like __debugbreak.
149 points by talboren | 240 comments
An X article by a startup CTO arguing that engineers still have leverage over AI coding agents because of experience-based intuition and tacit knowledge.