Mar 14 · 6 min read · How does Node.js work? This is the most common question that an interviewer asks in a JavaScript interview. The answer lies in the Node.js architecture, which involves mainly V8 engine libuv Node.j
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Feb 17 · 6 min read · Have you ever noticed how some websites respond instantly, while others make you wait? At first, it feels like a performance issue. But most of the time, the real problem isn’t speed. It’s waiting.And to understand that waiting, we need to understand...
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Feb 6 · 3 min read · Callbacks in JavaScript confused me a lot when I first encountered them. I read articles and watched videos, but nothing really clicked. I could repeat the definition, yet I didn’t truly understand what was happening behind the scenes. If this sounds...
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Dec 26, 2025 · 18 min read · Python’s concurrency tools let you optimize programs by running tasks in overlapping periods—great for cutting down wait times in I/O-heavy work and taking advantage of multiple CPU cores for compute-intensive tasks. In this article, I’m focusing on ...
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