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In-depth articles about how code really works — from the event loop to memory management and beyond.

February 15, 2026•12 min read

JavaScript Event Loop Explained — A Complete Visual Guide

Understand how the JavaScript event loop works with interactive visualizations. Learn about the call stack, microtask queue, macrotask queue, and why Promise.then runs before setTimeout.

JavaScriptEvent LoopAsync
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February 20, 2026•10 min read

Python Memory Management — Reference Counting, GC & the GIL

Deep dive into how CPython manages memory. Learn about reference counting, cyclic garbage collection, memory pools, and how the GIL affects multi-threaded Python programs.

PythonMemoryGC
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February 25, 2026•8 min read

Stack vs Heap Memory — What Every Developer Should Know

Understand the difference between stack and heap memory allocation. Learn when each is used in C, C++, Java, Python, and JavaScript, and how it affects performance.

MemoryStackHeapFundamentals
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