How 2004 RuneScape fit a multiplayer RPG into 56k dial-up
https://jkm.dev/posts/how-2004-runescape-fit-a-multiplayer-rpg-into-56k-dialup/
https://redd.it/1vn4pyo
@r_coding
https://jkm.dev/posts/how-2004-runescape-fit-a-multiplayer-rpg-into-56k-dialup/
https://redd.it/1vn4pyo
@r_coding
jkm.dev
How 2004 RuneScape fit a multiplayer RPG into 56k dial-up · jkm.dev
In 2004 I played too much RuneScape on a 56k modem that died the moment Mum picked up the phone. A 3D world, up to a couple of thousand players on a server, dozens on screen at once - in the browser, on 5 kilobytes per second. It worked. Let’s follow a single…
The tutorial put the whitespace filter in the parser. I copied it and never asked why.
https://kushagrarathore002.medium.com/every-tokenizer-tutorial-i-read-told-me-to-throw-away-the-whitespace-ac5ab75e89fa
https://redd.it/1vn8kfg
@r_coding
https://kushagrarathore002.medium.com/every-tokenizer-tutorial-i-read-told-me-to-throw-away-the-whitespace-ac5ab75e89fa
https://redd.it/1vn8kfg
@r_coding
Medium
Every tokenizer tutorial I read told me to throw away the whitespace
Two years later, teaching my language to format itself meant rewriting the tokenizer, the parser and the binder.
Drone detection app that can be used against US drones in a hot war. Sent to Iran, NK, and Cuba https://Anthonyofboston.github.io or Armaaruss.github.io
https://Armaaruss.github.io
https://redd.it/1vnt42z
@r_coding
https://Armaaruss.github.io
https://redd.it/1vnt42z
@r_coding
Everyone thinks URL shorteners are easy to build until they crash
https://medium.com/@rummansiddiqui1990/everyone-thinks-url-shorteners-are-easy-until-they-crash-fc868053a88e?source=friends_link&sk=d4ee323b2dc11fb9928dd5f443c1952c
https://redd.it/1vo1rit
@r_coding
https://medium.com/@rummansiddiqui1990/everyone-thinks-url-shorteners-are-easy-until-they-crash-fc868053a88e?source=friends_link&sk=d4ee323b2dc11fb9928dd5f443c1952c
https://redd.it/1vo1rit
@r_coding
Medium
Everyone Thinks URL Shorteners Are Easy (Until They Crash)
The system design secrets to surviving millions of redirects without your database catching fire.
"I made this!" Edge-Drop v0.2.7: big performance improvements, Windows fixes, and a new home for the project.
https://youtu.be/2Z2ZQRydY2E
https://redd.it/1vocphc
@r_coding
https://youtu.be/2Z2ZQRydY2E
https://redd.it/1vocphc
@r_coding
YouTube
Edge-Drop - A Hover-Activated Clipboard Shelf for Windows (Short Demo-2)
A quick 39-second demo of Edge-Drop.
Edge-Drop is a free, open-source clipboard shelf for Windows that lives on the edge of your screen. Copy text, images, files, folders, and links, then drag or paste them anywhere without breaking your workflow.
-Features…
Edge-Drop is a free, open-source clipboard shelf for Windows that lives on the edge of your screen. Copy text, images, files, folders, and links, then drag or paste them anywhere without breaking your workflow.
-Features…
Caching isn’t hard. Some data is hard to cache
https://bencane.com/posts/2026-07-30-caching-data-tradeoffs/
https://redd.it/1vpbp4g
@r_coding
https://bencane.com/posts/2026-07-30-caching-data-tradeoffs/
https://redd.it/1vpbp4g
@r_coding
Benjamin Cane
Caching isn’t hard. Some data is hard to cache • Benjamin Cane
Caching complexity depends less on the cache itself and more on how often the data changes and how fresh it must stay.
Programming v Math v Chess v MTG. We're running an experiment to see which discipline learns an unfamiliar card game the fastest.
https://playfano.com/fano-challenge
https://redd.it/1vrpztj
@r_coding
https://playfano.com/fano-challenge
https://redd.it/1vrpztj
@r_coding
Playfano
Fano - Strategic Card Game
Master the 7-member rock-paper-scissors card-combat game. Join tournaments, learn strategies, and compete with players worldwide.
The 3 AM API Outage: Why Every API Needs a Rate Limiter
https://medium.com/@rummansiddiqui1990/the-3-am-api-outage-why-every-api-needs-a-rate-limiter-a3a23e814331?source=friends_link&sk=31c17883b8fddc30910122f7df4c5326
https://redd.it/1vryviw
@r_coding
https://medium.com/@rummansiddiqui1990/the-3-am-api-outage-why-every-api-needs-a-rate-limiter-a3a23e814331?source=friends_link&sk=31c17883b8fddc30910122f7df4c5326
https://redd.it/1vryviw
@r_coding
Medium
The 3 AM API Outage: Why Every API Needs a Rate Limiter
Adding more servers to handle a big jump in traffic is a common first thought, but it does not always fix the real problem. Often, the real…
Coding jobs : where is the best place to post jobs where to coders look for work
https://www.brainton.org
https://redd.it/1vs2v6s
@r_coding
https://www.brainton.org
https://redd.it/1vs2v6s
@r_coding
www.brainton.org
Brainton — The room for better questions
Ask smart. Ask dumb. Drain your brain. Battle the room. Build the room.
privatesession: A Remote Emulator Farm
https://www.privatesession.club
https://redd.it/1vsx9fv
@r_coding
https://www.privatesession.club
https://redd.it/1vsx9fv
@r_coding
www.privatesession.club
Private Session
PrivateSession Mobile Emulator Access
Open-source device configuration software for mice and keyboards
https://teamdev.com/mobrowser/blog/how-to-build-device-configuration-software/
https://redd.it/1vte1q6
@r_coding
https://teamdev.com/mobrowser/blog/how-to-build-device-configuration-software/
https://redd.it/1vte1q6
@r_coding
TeamDev
How to build device configuration software for mice and keyboards
This article shows how to build cross-platform device configuration software with a React UI and a native C++ module, based on an open demo.
I generated a debugging policy instead of writing one. It repairs bugs from your test suite offline, and cuts frontier-model tokens https://github.com/devkancheti4-design/edgub
https://github.com/devkancheti4-design/edgub
https://redd.it/1vtdnbk
@r_coding
https://github.com/devkancheti4-design/edgub
https://redd.it/1vtdnbk
@r_coding
GitHub
GitHub - devkancheti4-design/edgub
Contribute to devkancheti4-design/edgub development by creating an account on GitHub.
Domain-Driven Design matters more when AI writes your code
https://threedots.tech/post/ddd-and-ai-coding/
https://redd.it/1vtfe8q
@r_coding
https://threedots.tech/post/ddd-and-ai-coding/
https://redd.it/1vtfe8q
@r_coding
Three Dots Labs
Domain-Driven Design matters more when AI writes your code
The domain model and Ubiquitous Language matter more than ever when an AI agent writes your code.
The System Design of a Distributed Notification Service
https://medium.com/@rummansiddiqui1990/the-system-design-of-a-distributed-notification-service-5e373010c500?source=friends_link&sk=0f40730e6778f797602599c34bf0ad4e
https://redd.it/1vtjric
@r_coding
https://medium.com/@rummansiddiqui1990/the-system-design-of-a-distributed-notification-service-5e373010c500?source=friends_link&sk=0f40730e6778f797602599c34bf0ad4e
https://redd.it/1vtjric
@r_coding
Medium
The System Design of a Distributed Notification Service
Exploring architecture, scaling, and tradeoffs before writing a single line of code.
From 30GB of garbage to 3GB: JVM optimization with an AI assistant on a leash
https://www.hypertesto.me/en/blog/2026/08/from-30gb-to-3gb/
https://redd.it/1vutv0b
@r_coding
https://www.hypertesto.me/en/blog/2026/08/from-30gb-to-3gb/
https://redd.it/1vutv0b
@r_coding
HyperTesto
From 30GB of garbage to 3GB: JVM optimization with an AI assistant on a leash
Profiling-driven JVM optimization that cut allocations from 30GB to under 3GB, with AI agents, a scruffy AGENTS.md and a human on the flame graphs.