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Ehsan MahmoudiAug 24, 2026 • 4 min read
A Small Fintech Challenge, and Why I Let Postgres Hold the Money
I took a small fintech-style coding challenge — a marketplace where players buy and auction items wi...
#postgres#go#fintech#concurrency
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Dakota MaAug 22, 2026 • 3 min read
The Crash That Only Happened in Production
The crash was intermittent, production-only, and invisible to every test I ran locally. It turned ou...
#go#debugging#concurrency#ai
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Ivan RossouwAug 23, 2026 • 4 min read
Completion Is an Ownership Boundary
An async method can finish its useful work and still be holding lifecycle state that tells the rest....
#architecture#csharp#concurrency
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Aditya AgarwalAug 24, 2026 • 3 min read
Swift 6 turned working code into a compile error and iOS devs are furious
Everything was working perfectly fine in your application for multiple years. Then one day a simple....
#swift#concurrency#mobile#programming
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Finley Zhou5d ago • 5 min read
Case Study: The Thread Pool Passed 64/64 Tasks. ThreadSanitizer Found the Race in the Destructor
Case Study: The Thread Pool Passed 64/64 Tasks. ThreadSanitizer Found the Race in the...
#cpp#ai#testing#concurrency
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Parikalp Bhardwaj5d ago • 34 min read
What Does Arc Actually Do? Atomic Reference Counting Under the Hood
Following Arc::clone from a line of Rust down to a single machine instruction. Article 2 of **Below....
#rust#concurrency#performance#programming
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HafizAug 24, 2026 • 6 min read
Laravel Lock vs Cache::lock: When Entity-Scoped Locking Earns a Package
Laravel Lock wraps Cache::lock with entity scoping, owner tracking and route middleware. Here is whe...
#laravel#concurrency#packages#php
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Chad Priest4d ago • 7 min read
Two writers, one Markdown file: your appends get misfiled
Two processes appended to the same daily Markdown file. Both writes were atomic, nothing was lost, a...
#markdown#concurrency#debugging#rag
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Finley Zhou6d ago • 5 min read
Case Study: A Free Model Wrote an SPSC Queue. Unit Tests Passed; the Server's TSan Run Didn't.
Core conclusion first. A free model wrote an SPSC queue in C++20 that compiled clean and passed 1,00...
#cpp#testing#ai#concurrency
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Viktor Logvinov4d ago • 7 min read
Developing a High-Performance Minecraft Server in Go with Native Java and Bedrock Support
Introduction: The Challenge of Rebuilding a Minecraft Server in Go The idea of...
#minecraft#go#concurrency#networking
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