I kept understanding algorithms and then forgetting how to spot them. Built a trainer for it, free while in beta
https://algopath.pro
https://redd.it/1vjaboz
@r_coding
https://algopath.pro
https://redd.it/1vjaboz
@r_coding
AlgoPath
Learn algorithms and data structures by building them yourself, in JavaScript, TypeScript, Python, PHP, Java or C#. 150 steps, pattern recognition trainers and timed interview practice.
Wikipedia has a button that does nothing except say thank you to the editor | You've probably never seen this button. It only shows up if you're logged in. Nothing to do with Wikipedia. I just like the log.
https://sheets.works/data-viz/thank-you-stranger
https://redd.it/1vjydqb
@r_coding
https://sheets.works/data-viz/thank-you-stranger
https://redd.it/1vjydqb
@r_coding
sheets.works
The button next to undo
68,948 people thanked a stranger on Wikipedia last month. One every 38 seconds.
How I Cut Observability Costs by 60% in 2 Days
https://newsletter.eng-leadership.com/p/how-i-cut-observability-costs-by
https://redd.it/1vknn0e
@r_coding
https://newsletter.eng-leadership.com/p/how-i-cut-observability-costs-by
https://redd.it/1vknn0e
@r_coding
Eng-Leadership
How I Cut Observability Costs by 60% in 2 Days
If you don’t watch your infrastructure costs, you may end up with a huge bill at the end of the month. This is how an experienced engineer approached reducing observability costs.
Azure SQL Developer — run the actual Azure SQL engine locally in a container. Instead of using a local SQL Server image that behaves slightly differently from Azure SQL in the cloud, this is literally the same engine Azure SQL uses, just running in a container on your machine.
https://devblogs.microsoft.com/azure-sql/azure-sql-developer-prpr/?wt.mc_id=studentamb_535079
https://redd.it/1vkxxmo
@r_coding
https://devblogs.microsoft.com/azure-sql/azure-sql-developer-prpr/?wt.mc_id=studentamb_535079
https://redd.it/1vkxxmo
@r_coding
Microsoft News
Build locally, ship to Azure: meet Azure SQL Developer
Explore Azure SQL Developer, now in private preview, for seamless development using the Azure SQL Database engine locally.
Spotify just launched Xirp, a vendor-neutral agentic development environment
https://portal.spotify.com/blog/introducing-xirp
https://redd.it/1vl2rpr
@r_coding
https://portal.spotify.com/blog/introducing-xirp
https://redd.it/1vl2rpr
@r_coding
Spotify Portal
Spotify Portal — One source of truth for engineers & agents
The internal developer platform built on Backstage by Spotify. Catalogue your systems, govern ownership, and give engineers and agents one source of truth. Proven at Spotify. Now yours.
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.