Jan 24 · 3 min read · 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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Sep 16, 2025 · 9 min read · 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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Sep 1, 2025 · 3 min read · 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...
Join discussionAug 22, 2025 · 4 min read · 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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Jul 31, 2025 · 12 min read · 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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Jul 12, 2025 · 3 min read · "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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Jun 24, 2025 · 6 min read · Introduction 👋 HTTP is a HyperText Transfer Protocol that is designed for web applications to transfer hypermedia documents, like HTML pages, between the browser and server, but it can also be used for other purposes, such as machine-to-machine comm...
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May 7, 2025 · 35 min read · Microservice architectures live and die by clear communication. When dozens of services (and external vendors) interact via REST APIs, HTTP status codes become the silent contract that every request and response abides by. Using them correctly is mor...
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Jan 28, 2025 · 4 min read · Olá pessoal!Bem-vindos ao artigo desta semana. Você pode conferir os artigos anteriores aqui, e o código está disponível no meu GitHub, basta acessar aqui. Vamos entender e aplicar algumas boas práticas em nossa API? Este texto é um ponto de partida...
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Jan 26, 2025 · 10 min read · Introduction Look at the current era, everything looks like is revolving around the internet. Billions of people on our earth communicate, interact and socialize with each other through internet access everyday despite how far away they are. The data...
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