A few that come to mind:

Hosting SQLite databases on GitHub Pages or any static file hoster https://news.ycombinator.com/item?id=27016630

How to crawl a quarter billion webpages in 40 hours https://news.ycombinator.com/item?id=4367933

Writing an open source GPU driver without the hardware https://news.ycombinator.com/item?id=30107002

Teleforking a process onto a different computer https://news.ycombinator.com/item?id=22987747

How NAT traversal works https://news.ycombinator.com/item?id=30707711

BPF, XDP, Packet Filters, and UDP https://news.ycombinator.com/item?id=24848391

A viable solution for Python concurrency https://news.ycombinator.com/item?id=28880782

Updating the Go Memory Model https://news.ycombinator.com/item?id=27810459

zig-cc: A drop in replacement for gcc/clang https://news.ycombinator.com/item?id=22679138

Finite state machines as data structure for representing ordered sets and maps https://news.ycombinator.com/item?id=10551280

Time-lock encryption https://news.ycombinator.com/item?id=22061752

My first impressions of Web3 https://news.ycombinator.com/item?id=29845208

How to build large scale end to end encrypted video calls https://news.ycombinator.com/item?id=29570938

Secure value recovery https://news.ycombinator.com/item?id=21838413

How Google code search worked https://news.ycombinator.com/item?id=18582469

Deploying authoritative DNS with Mirage Unikernels https://news.ycombinator.com/item?id=21868589

Playing around with Fuschia OS https://news.ycombinator.com/item?id=23466564

Making tokio scheduler 10x faster https://news.ycombinator.com/item?id=21249708

JVM Anatomy Quarks https://news.ycombinator.com/item?id=22190815

The hunt for a cluster-killer Erlang bug https://news.ycombinator.com/item?id=31746090

Static B Trees https://news.ycombinator.com/item?id=30376140

Files are hard https://news.ycombinator.com/item?id=10725859

Faster JavaScript calls https://news.ycombinator.com/item?id=26143648

Firefox's new compiler https://news.ycombinator.com/item?id=16169236

Abusing Linux's firewall: The hack that allowed us to build Spectrum https://news.ycombinator.com/item?id=16821807

Million packets per second ingress https://news.ycombinator.com/item?id=9726185

Streams: A general purpose data structure for Redis https://news.ycombinator.com/item?id=15384396

Let's build a compiler https://news.ycombinator.com/item?id=20444474

Improving compression with zstandard https://news.ycombinator.com/item?id=18719592

When bloom filters don't bloom https://news.ycombinator.com/item?id=22463979

Critbit trees https://news.ycombinator.com/item?id=6920862

Mobile physical memory security https://news.ycombinator.com/item?id=25505517

How the Linux kernel works https://news.ycombinator.com/item?id=14422605

https://news.ycombinator.com/item?id=11467309 Following a select statement through postgres internals

LMAX https://news.ycombinator.com/item?id=3173993

ELF https://news.ycombinator.com/item?id=17114672

Reading privileged memory with side channels https://news.ycombinator.com/item?id=16065845

How fast are Linux pipes anyway https://news.ycombinator.com/item?id=31592934

Reverse engineering a mysterious UDP stream in my hotel https://news.ycombinator.com/item?id=11744518

io_uring examples https://news.ycombinator.com/item?id=23132549

Clojure design patterns https://news.ycombinator.com/item?id=15771561

Inside the Magic Pocket https://news.ycombinator.com/item?id=11645536

A high performance cache in Go https://news.ycombinator.com/item?id=21023949

Lockfree data structures https://news.ycombinator.com/item?id=7734202

mtime considered harmful https://news.ycombinator.com/item?id=18473744

Bracket colorization https://news.ycombinator.com/item?id=28692470

Linux load averages https://news.ycombinator.com/item?id=14959288

A bump in the wire to make your internet go faster https://news.ycombinator.com/item?id=17721496

Backblaze durability https://news.ycombinator.com/item?id=17550837

H.264 is magic https://news.ycombinator.com/item?id=12871403

Redbean: single file web server https://news.ycombinator.com/item?id=26271117

Gotchas from 2 years with Node https://news.ycombinator.com/item?id=9372303

Counting objects https://news.ycombinator.com/item?id=10259471

Idempotent APIs https://news.ycombinator.com/item?id=13707681

Norvig's auto correct https://news.ycombinator.com/item?id=42587

QuickJS https://news.ycombinator.com/item?id=20411154

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