PinnedInLevel Up CodingbySohail Saifi·Sep 26, 2025Kalman Filter Explained: The Algorithm That Quietly Runs Your WorldYour phone can tell you where you are right now. Your car’s cruise control keeps the speed steady even when there are hills and headwinds…A response icon6A response icon6
PinnedSohail Saifi·Jul 17, 2025Why Japanese Developers Write Code Completely Differently (And Why It Works Better)For the past three years, I have delved into the software development landscape in Japan, and one of the things I learned completely…A response icon304A response icon304
PinnedSohail Saifi·Jun 7, 2025Kubernetes Is Dead: Why Tech Giants Are Secretly Moving to These 5 Orchestration AlternativesThat odd silence in the meeting room is still fresh in my mind. After two years of investment, our CTO recently declared that we were…A response icon148A response icon148
Sohail Saifi·1d agoI Gave GPT-6.1 Terra and Claude Opus 5.5 the Same Legacy BugThere is a function in one of my older client projects that I have quietly avoided for almost two years. It renews subscriptions. Every few…A response icon3A response icon3
Sohail Saifi·2d agoA Backdoored Claude Code Extension Sat in Cursor’s Marketplace for 11 HoursFor about eleven hours on October 29, if you opened Cursor and let the Claude Code extension pull its latest update, you might have…A response icon1A response icon1
InLevel Up CodingbySohail Saifi·2d agoHospitals and Banks Are Outbidding Tech Companies for Software EngineersA bank will now pay a software engineer about 13 percent more than a tech company for the exact same role. A hospital or life sciences firm…A response icon2A response icon2
InCodeElevationbySohail Saifi·2d agoPostgres 18 Async I/O Is a Year Old. Here Are Three Workloads Where It Paid OffA 3.5 GB table. One sequential scan. Postgres 17 chewed through it in 15.8 seconds, and Postgres 18 with io_uring finished the exact same…A response icon2A response icon2
Sohail Saifi·3d agoUK Banking Went Dark for Six Hours Because a Controller Decided the Power Was FineThe backup generators were fine. Fuel in the tanks, nothing broken, ready to run. They just never got told to start, because a controller…
InLevel Up CodingbySohail Saifi·4d agoYour New AI IDE Remembers Every Line You Write. The Real Question Is Where It Keeps It.Your new AI editor keeps a distilled memory of your private codebase. With one of this fall’s four big tools, that memory sits on a…A response icon1A response icon1
Sohail Saifi·4d agoWhy Your Team Is About to Start Whitelisting Which AI Models It Can UseOn October 19, GitHub deleted six AI models from Copilot. In the same release, it shipped the API that decides which models you are even…
