Async hazard: MMAP is blocking IO(huonw.github.io)

84 points by mmastrac 2 years ago | 88 comments

Faster sorting with SIMD CUDA intrinsics (2024)(winwang.blog)

73 points by winwang 1 year ago | 9 comments

Running OCR against PDFs and images directly in the browser(simonwillison.net)

248 points by simonw 2 years ago | 43 comments

How random are TOTP codes?(shkspr.mobi)

159 points by ColinWright 2 years ago | 95 comments

A Cursory Look at Cursors(eno-writer.com)

24 points by gcassie 2 years ago | 16 comments

Crowd Sourcing Broken QR Codes(humanqr.com)

60 points by devmandan 1 year ago | 38 comments

SQL for data scientists in 100 queries(gvwilson.github.io)

694 points by Anon84 2 years ago | 130 comments

Greg Wilson's "SQL for the Weary" lesson notes with working examples for instructors teaching SQL to data scientists in about 100 queries.

In a Git repository, where do your files live?(jvns.ca)

331 points by todsacerdoti 3 years ago | 88 comments

Julia Evans blog post explaining where git stores file versions inside the .git/objects directory, investigated with short Python programs.

Don't pass structs bigger than 16 bytes on AMD64(gist.github.com)

340 points by todsacerdoti 2 years ago | 114 comments

A GitHub Gist write-up explaining how avoiding passing structs larger than 16 bytes on AMD64 sped up the Neat compiler by about 2x.

Reading QR codes without a computer(qr.blinry.org)

593 points by input_sh 2 years ago | 82 comments

An interactive explainer, written for a 37C3 workshop, teaching the anatomy of QR codes and how to decode them by hand using a cheat sheet.

Writing secure Go code(jarosz.dev)

342 points by gus_leonel 2 years ago | 259 comments

Blog post by Jakub Jarosz outlining specific practices for writing robust, secure and performant Go code.

Infosec 101 for Activists(infosecforactivists.org)

440 points by greenie_beans 1 year ago | 174 comments

Infosec 101 for Activists is a guide by Drew Bjorn, Mark Sherman, and Blake Skinner on digital security practices for US activists attending protests.