TCP Working: 3-Way Handshake & Reliable Communication
Jan 29 ยท 5 min read ยท Introduction: The Chaos of Sending Without Rules Imagine you are standing on one side of a noisy, crowded football stadium, and you need to shout a long, complex set of instructions to your friend on the other side. You start yelling. But some words ...
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Async/await, Promises and Pure Functions
Jan 10 ยท 3 min read ยท โณ JavaScript: Async, Promises & More ๐ค Is JavaScript Synchronous? Yes โ JavaScript is a synchronous, single-threaded language. It runs one thing at a time, line by line. But... we can mimic asynchronous behaviour using: Callbacks Promises Async/A...
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Understanding Callbacks, Promises, Sync vs Async & the Event Loop
Dec 3, 2025 ยท 8 min read ยท As JavaScript developers, we always hear the terms callbacks, sync, async, event loop, and promises. So in this article, we cover all these topics with examples. Callbacks? A callback is simply a function that is passed to another function to be exe...
Join discussionAsynchronous JavaScript
Dec 2, 2025 ยท 4 min read ยท Technical Blog post on the below concepts: Callbacks Functions passed as an argument to another function (Higher order function).Function who receive this function call this function inside the program. callbacks are synchronous or asynchronous will ...
Join discussionUnderstanding Asynchronous Javascript: Callbacks, Promises, Event loop, and Synchronous vs Asynchronous
Dec 1, 2025 ยท 4 min read ยท Callbacks Callback is a function passed as an argument to the another function. Callback function can run after another function has finished. Callbacks are the simplest way to handle asynchronous tasks but can become messy with nesting. Example...
Join discussionDifference between Synchronous & Asynchronous code
Dec 1, 2025 ยท 2 min read ยท Once you complete the basics of JavaScript you must have been struck by these terms - Synchronous and Asynchronous. While they might sound complex, but they're actually pretty simple once you get the hang of it. Let's break it down! What is Synchrono...
Join discussion๐ Essential Threading and Task Methods in C# โ A Practical Guide
Nov 7, 2025 ยท 2 min read ยท Whether you're preparing for interviews or brushing up your .NET skills, understanding threading and task-based programming is crucial. In this post, weโll explore the most important methods from System.Threading and System.Threading.Tasks with simpl...
Join discussionNode.js์ ๋ ผ๋ธ๋กํน I/O ์์ ์ ๋ณต โ ์ด๋ฒคํธ ๋ฃจํ๋ถํฐ ๋น๋๊ธฐ ๋์๊น์ง
Nov 6, 2025 ยท 4 min read ยท Node.js๋ฅผ ๊ณต๋ถํ๋ค ๋ณด๋ฉด ๋น ์ง์ง ์๋ ๊ฐ๋ ์ด ์์ต๋๋ค.๋ฐ๋ก ๋ ผ๋ธ๋กํน I/O(Non-blocking I/O)์ ์ด๋ฒคํธ ๋ฃจํ(Event Loop)์ ๋๋ค. Node.js๋ ์ฑ๊ธ ์ค๋ ๋์์๋ ๋ถ๊ตฌํ๊ณ ์์ฒ ๊ฐ์ ์์ฒญ์ ๋์์ ์ฒ๋ฆฌํ ์ ์์ต๋๋ค.๊ทธ ๋น๋ฐ์ด ๋ฐ๋ก โ๋ ผ๋ธ๋กํน I/Oโ์ ์์ต๋๋ค. ๐งฉ 1. Node.js ๋ฐํ์์ I/O ๋ชจ๋ธ Node.js๋ ์๋ฐ์คํฌ๋ฆฝํธ ์์ง(V8) ์์ libuv๋ผ๋ C ๋ ๋ฒจ์ ๋ฐํ์ ๊ณ์ธต์ ์น์ ๊ตฌ์กฐ์ ๋๋ค. โโ...
Join discussion๐ Async vs Sync โ Why โOne Callโ Is Never Really One Call in Production
Oct 24, 2025 ยท 3 min read ยท ๐งฉ The Oversimplified Debate Recently, I came across a post asking this: โIf an async DB call and a sync DB call both take 5 seconds, whatโs the real benefit of async?โ At first glance, it sounds li
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