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The rsync algorithm (1996) [pdf]

https://www.andrew.cmu.edu/course/15-749/READINGS/required/cas/tridgell96.pdf
41•vortex_ape•4h ago

Comments

doodlesdev•1h ago
Well-written, succinct.

This small document shows what computer science looked like to me when I was just getting started: a way to make computers more efficient and smarter, to solve real problems. I wish more people who claim to be "computer scientists" or "engineers" would actually work on real problems like this (efficient file sync) instead of having to spend time learning how to use the new React API or patching the f-up NextJS CVE that's affecting a multitude of services.

Publish (On Your) Own Site, Syndicate Elsewhere

https://indieweb.org/POSSE#
145•47thpresident•1h ago•33 comments

Unix v4 (1973) – Live Terminal

https://unixv4.dev/
75•pjmlp•2h ago•28 comments

Ask HN: Who is hiring? (January 2026)

217•whoishiring•5h ago•125 comments

TinyTinyTPU: 2×2 systolic-array TPU-style matrix-multiply unit deployed on FPGA

https://github.com/Alanma23/tinytinyTPU-co
51•Xenograph•2h ago•12 comments

Clicks Communicator

https://www.clicksphone.com/en/communicator
194•microflash•4h ago•140 comments

Fighting Fire with Fire: Scalable Oral Exams

https://www.behind-the-enemy-lines.com/2025/12/fighting-fire-with-fire-scalable-oral.html
74•sethbannon•3h ago•79 comments

FracturedJson

https://github.com/j-brooke/FracturedJson/wiki
448•PretzelFisch•8h ago•117 comments

IPv6 just turned 30 and still hasn't taken over the world

https://www.theregister.com/2025/12/31/ipv6_at_30/
155•Brajeshwar•6h ago•286 comments

10 years of personal finances in plain text files

https://sgoel.dev/posts/10-years-of-personal-finances-in-plain-text-files/
381•wrxd•10h ago•158 comments

Punkt. Unveils MC03 Smartphone

https://www.punkt.ch/blogs/news/punkt-unveils-mc03
98•ChrisArchitect•5h ago•81 comments

Jank Lang Hit Alpha

https://github.com/jank-lang/jank
23•makemethrowaway•2h ago•5 comments

Accounting for Computer Scientists (2011)

https://martin.kleppmann.com/2011/03/07/accounting-for-computer-scientists.html
31•tosh•3h ago•4 comments

What you need to know before touching a video file

https://gist.github.com/arch1t3cht/b5b9552633567fa7658deee5aec60453/
227•qbow883•6d ago•144 comments

C –> Java != Java –> LLM

http://www.observationalhazard.com/2025/12/c-java-java-llm.html
27•WoodenChair•5d ago•23 comments

The rsync algorithm (1996) [pdf]

https://www.andrew.cmu.edu/course/15-749/READINGS/required/cas/tridgell96.pdf
41•vortex_ape•4h ago•1 comments

Standard Ebooks: Public Domain Day 2026 in Literature

https://standardebooks.org/blog/public-domain-day-2026
309•WithinReason•12h ago•48 comments

Ask HN: Who wants to be hired? (January 2026)

69•whoishiring•5h ago•122 comments

Uxn32: Uxn Emulator for Windows and Wine

https://github.com/randrew/uxn32
4•ibobev•5d ago•0 comments

Assorted less(1) tips

https://blog.thechases.com/posts/assorted-less-tips/
146•todsacerdoti•9h ago•32 comments

I wrote a batch script to keep my 2011 ThinkPad alive for 24/7 streaming

https://github.com/patrick48001/ThinkPad-Stream-Sentinel-VLC-Video-Source-reset-disable-stream-sh...
10•techenthuziast•2h ago•1 comments

39th Chaos Communication Congress Videos

https://media.ccc.de/b/congress/2025
329•Jommi•8h ago•57 comments

HPV vaccination reduces oncogenic HPV16/18 prevalence from 16% to <1% in Denmark

https://www.eurosurveillance.org/content/10.2807/1560-7917.ES.2025.30.27.2400820
438•stared•11h ago•237 comments

Miri: Practical Undefined Behavior Detection for Rust [pdf]

https://research.ralfj.de/papers/2026-popl-miri.pdf
51•ingve•5d ago•9 comments

Ask HN: What tech job would let me get away with the least real work possible?

25•makemethrowaway•1h ago•10 comments

ThingsBoard: Open-Source IoT Platform

https://github.com/thingsboard/thingsboard
43•pretext•5d ago•5 comments

List, inspect and explore OCI container images, their layers and contents

https://github.com/bschaatsbergen/lix
8•bschaatsbergen•5d ago•1 comments

One Number I Trust: Plain-Text Accounting for a Multi-Currency Household

https://lalitm.com/post/one-number-i-trust/
112•ayi•11h ago•65 comments

Parental controls aren't for parents

https://beasthacker.com/til/parental-controls-arent-for-parents.html
295•beasthacker•7h ago•294 comments

A small collection of text-only websites

https://shkspr.mobi/blog/2025/12/a-small-collection-of-text-only-websites/
101•danielfalbo•10h ago•42 comments

Going immutable on macOS, using Nix-Darwin

https://carette.xyz/posts/going_immutable_macos/
108•weird_trousers•12h ago•73 comments