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28 posts
Understanding Javascript variables declaration (var, let, const), Hosting mechanism and Temporal dead zone (TDZ)
front-end
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Understanding Javascript variables declaration (var, let, const), Hosting mechanism and Temporal dead zone (TDZ)

var, let and const are used in JavaScript to declare variables, but they differ significantly in their scope, hoisting, and whether they can be reassigned or redeclared. 1. var is the original way to
Gavin Huynh
Gavin Huynh
How to Write Detailed Design for APIs with Create, Update, Delete Functionality
back-end
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How to Write Detailed Design for APIs with Create, Update, Delete Functionality

After mastering how to design search APIs (see the previous article), it’s time to dive into the family of “write” APIs — create, update, and delete. These APIs directly affect system data, so their d
VIOLET Dang
Understanding Closure in javascript
front-end
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Understanding Closure in javascript

A closure in JavaScript is the combination of a function bundled together (enclosed) with references to its surrounding state, known as the lexical environment. In simpler terms: A closure allows an i
Gavin Huynh
Gavin Huynh
Advanced PWA: Using strategic caching to enhance PWA in NextJS
WEB
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Advanced PWA: Using strategic caching to enhance PWA in NextJS

In this topic, we’ll explore strategies to upgrade an existing PWA, making it more optimal, dynamic, and maintainable
Lanx Tran
How to Write Detailed Design for APIs with Search Functionality
WEB
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How to Write Detailed Design for APIs with Search Functionality

In the previous article, we explored how to write API documentation using the API Blueprint format. This article will guide you through writing detailed design for search APIs systematically, from req
VIOLET Dang
Memory leaks in React application. How to avoid ?
front-end
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Memory leaks in React application. How to avoid ?

A memory leak occurs when a program allocates memory for an object or variable but then fails to release it when the object is no longer needed. This causes the application to consume more and more me
Gavin Huynh
Gavin Huynh
NGINX: Web Server and Reverse Proxy Server
WEB
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NGINX: Web Server and Reverse Proxy Server

NGINX is a powerful, flexible, and high-performance web server that has evolved into a multifunctional tool for modern web infrastructure. It is widely used not only as a web server but also as a reve
Carlos
Carlos
5 VSCode settings that frontend devs usually skip (but really should know)
front-end
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5 VSCode settings that frontend devs usually skip (but really should know)

Hey there, I’m a frontend dev, and today I just wanna share some VSCode settings that helped me code faster and cleaner. Some of them are small, but trust me, they make a big difference. A lot of devs
Neji
Introduction to NLWeb
WEB
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Introduction to NLWeb

Microsoft has unveiled NLWeb (Natural Language Web), an open-source project designed to simplify the integration of conversational AI into websites. By leveraging NLWeb, developers can transform stati
Hayes Ly
Model Context Protocol
WEB
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Model Context Protocol

In 2025, the world of agent‑based AI has been revolutionized by the Model Context Protocol (MCP), a unified, plug‑and‑play “Swiss Army knife” for AI agents. Instead of juggling dozens of disparate API
Hayes Ly