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#Concurrency

2 articles tagged #Concurrency.

Web Development/Software Architecture·Jul 27, 2026·8 min read

Structured Concurrency Explained: Scoping Tasks So They Can't Leak

A background task that outlives the function that spawned it is a real, recurring production bug. Structured concurrency fixes it by tying a task's lifetime to a scope. Here's the pattern across Python, Kotlin, Swift, and Java.

BackendArchitecturePython

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Technology/Python·May 18, 2026·7 min read

Python's Free-Threaded Mode: What the GIL Removal Actually Means for Your Code

Python 3.13 shipped an experimental mode that removes the Global Interpreter Lock. Here's what the GIL actually does, what free-threaded Python changes, and what it still doesn't fix.

PythonPerformanceBackend

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