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Engineering a High-Concurrency E-Commerce Backend: Testing, Concurrency & Resilience at Scale

Engineering a High-Concurrency E-Commerce Backend: Testing, Concurrency & Resilience at Scale

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2 min read
Building a Thread-Safe Concurrent List in C# from Scratch

Building a Thread-Safe Concurrent List in C# from Scratch

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4 min read
Running six AI agent subtasks at once took 55 seconds longer than running them one at a time

Running six AI agent subtasks at once took 55 seconds longer than running them one at a time

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8 min read
Morse Code in Go: Build a Streaming Decoder with Goroutines and Channels

Morse Code in Go: Build a Streaming Decoder with Goroutines and Channels

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8 min read
Swift 6 Concurrency in Practice: Actors, Reentrancy, Sendable and What's New in 6.2

Swift 6 Concurrency in Practice: Actors, Reentrancy, Sendable and What's New in 6.2

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4 min read
Race condition vulnerability in a single-use coupon endpoint

Race condition vulnerability in a single-use coupon endpoint

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8 min read
fatal error: concurrent map writes -- the Go crash recover() can't catch

fatal error: concurrent map writes -- the Go crash recover() can't catch

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3 min read
Preventing Interference Between Parallel Claude Code Sessions Through Isolated Working Environments

Preventing Interference Between Parallel Claude Code Sessions Through Isolated Working Environments

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10 min read
Mutex vs Spinlock: When Should a Thread Sleep or Spin?

Mutex vs Spinlock: When Should a Thread Sleep or Spin?

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2 min read
Preventing Deadlocks and Race Conditions by Managing Concurrent Lock Captures in Functions

Preventing Deadlocks and Race Conditions by Managing Concurrent Lock Captures in Functions

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8 min read
osFoundry 노트에서 Claude의 편집이 사람의 편집을 덮어쓰지 않게 하는 낙관적 락 다시 만들어 보기

osFoundry 노트에서 Claude의 편집이 사람의 편집을 덮어쓰지 않게 하는 낙관적 락 다시 만들어 보기

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2 min read
在同一份 Note 裡,osFoundry 如何避免 Claude 的編輯蓋掉別人的編輯?

在同一份 Note 裡,osFoundry 如何避免 Claude 的編輯蓋掉別人的編輯?

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3 min read
osFoundry एक ही Note में Claude के edit से किसी व्यक्ति का edit overwrite होने से कैसे रोकता है?

osFoundry एक ही Note में Claude के edit से किसी व्यक्ति का edit overwrite होने से कैसे रोकता है?

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4 min read
How does osFoundry stop a Claude edit from overwriting a person's edit in the same Note?

How does osFoundry stop a Claude edit from overwriting a person's edit in the same Note?

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7 min read
No Threads, Still Races: Two awaits Can Corrupt State a Java Lock Would Have Guarded

No Threads, Still Races: Two awaits Can Corrupt State a Java Lock Would Have Guarded

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9 min read
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