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VRVishal Rathorevishalrathore.hashnode.devMay 28 · 6 min read

Understanding HTTP Methods and Status Codes Like a Frontend Developer

Earlier, I used APIs without truly understanding what was happening behind the scenes. I used to: call APIs, fetch data, display UI, …but terms like: GET POST 200 404 500 felt confusing. T

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SSSubhasis Samantasingharjs-blog-subhasis.hashnode.devMay 8 · 4 min read

REST API Design Made Simple with Express.js

Introduction Modern applications often need to communicate between a client (frontend or mobile app) and a server (backend). This communication happens through APIs. A REST API is a common and simple

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VRVISHAL RAYrayvishal.hashnode.devApr 28 · 3 min read

REST API Design with Express.js

Have you ever wondered what happens when you enter your email and password on a website and click “Login”? Behind the scenes, your browser sends a request to a server, and the server responds with the

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IDIvan Davidovidavidov.euApr 16 · 20 min read

REST API Testing: What Every QA Engineer Must Know

Imagine this: you test a POST endpoint that creates a new user. It returns 201 Created. You mark the test as passed and move on. Two weeks later, production breaks - the response was missing a require

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Gganeshstatuscodesforbeginners.hashnode.devJan 24 · 3 min read

http status codes for beginners

Think of status codes as responses from the server telling you what happened when you made a request (opened a website, called an API, etc.). 📦 Status Code Groups (Easy Rule) Status codes are grouped by their first digit: RangeMeaning (In simpl...

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LALord Abiollafront-end-web-development.hashnode.devSep 16, 2025 · 9 min read

Client-Server Networking and APIs

In this series, we are going to talk about the following topics. Advanced HTTP networking for Web Applications REST/GraphQL Introduction to Web Hosting. Working with APIs Advanced HTTP Networking for Web Applications Before we dive deep into th...

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JVJeet Vamjajeet-vamja.hashnode.devSep 1, 2025 · 3 min read

Common HTTP Status Code : What Do They Mean?

When you browse the internet, your browser constantly communicates with web servers using HTTP (Hypertext Transfer Protocol). Every request you make — whether it’s clicking a link, submitting a form, or loading a page — gets a response from the serve...

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MAMuskan Agrawalmuskanagrawal.hashnode.devAug 22, 2025 · 4 min read

Sadservers Day3: Debugging an Nginx "Connection Refused" Error SadServers Problem

The Problem Statement A classic issue with an Nginx web server managed by systemd where curling the curl -I 127.0.0.1:80 returns this frustrating response: curl: (7) Failed to connect to localhost port 80: Connection refused At first glance, this te...

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LALord Abiollafront-end-web-development.hashnode.devJul 31, 2025 · 12 min read

Asynchronous JavaScript and APIs

Concept Overview: Topics: Synchronous and Asynchronous programming Callbacks Promises Async / Await Fetching Data from APIs Synchronous and Asynchronous Programming In a synchronous programming model, things happen one at a time. When you c...

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GGGoose Gustingoosegustin.hashnode.devJul 12, 2025 · 3 min read

Understanding Status Codes Like a Hacker

"Page not found", “Sorry, that door’s locked.” “Try again.” “Welcome inside.”You’ve seen those messages before. Only, they’re not in words — they’re in HTTP status codes. For hackers, these codes are like the responses you get from a building when yo...

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Trending tags this week

Understanding HTTP Methods and Status Codes Like a Frontend Developer

REST API Design Made Simple with Express.js

REST API Design with Express.js

REST API Testing: What Every QA Engineer Must Know

http status codes for beginners

Client-Server Networking and APIs

Common HTTP Status Code : What Do They Mean?

Sadservers Day3: Debugging an Nginx "Connection Refused" Error SadServers Problem

Asynchronous JavaScript and APIs

Understanding Status Codes Like a Hacker