Articles and news for Dev

A selection of news and articles for developers on programming tips, technologies, and approaches that you must read if you want to become a great professional developer

Category

See all

Rust The Series

Golang The Series

Future Skills

Superdev Academy

Anouncement

Web Development

Cutting-Edge Tech

Tools & Resources

How to

A row of model wooden stations on a small conveyor carrying plain wooden blocks, beside a card summarising the Build, Test and Deploy stages of a CI/CD pipeline

What Is CI/CD? Build Your First Pipeline with GitHub Actions

143

#CI/CD #CI/CD Pipeline #GitHub Actions #Continuous Integration #Continuous Delivery #Continuous Deployment

What CI/CD means, how Continuous Delivery differs from Continuous Deployment, and a first GitHub Actions workflow that runs npm test on every push.

28/10/2026

An open blank address book and a pen on a wooden desk, with a DNS Lookup card showing the domain superdevacademy.com, name server fish.ns.cloudflare.com, IP 104.21.3.159 and a TTL of 300 seconds

What Is DNS and How It Works: From Domain Name to IP Address

109

#what is dns #how dns works #dns server #dns records #dns ttl #google public dns #dig command

What is DNS and how does it work? Follow a real dig trace from domain name to IP, learn A, CNAME, MX and TXT records, and why TTL delays your DNS changes.

27/10/2026

Top-down photo of a wooden desk with a neat wooden card-index drawer of identical blank cards beside a loose stack of varied blank folders and envelopes, with an info card: SQL, tables + JOIN; NoSQL, one nested document; choose by the shape of your data

SQL vs NoSQL: The Same Data Stored Two Ways, Explained

121

#SQL vs NoSQL #difference between sql and nosql #sql vs nosql when to use #nosql database types #is mongodb nosql #mongodb transactions #postgresql jsonb vs mongodb

SQL vs NoSQL with one dataset: a user and two orders stored as tables + JOIN and as one MongoDB document, plus schema, ACID transactions and PostgreSQL JSONB.

23/10/2026

Cover for CORS Error Explained: a building entrance at dusk seen from outside, with a glass security turnstile and an empty guard counter standing for the browser checking the origin, plus panels showing different origins: Vite at http://localhost:5173, API at http://localhost:3000, and the CORS header Access-Control-Allow-Origin

CORS Error Explained: Why Browsers Block It and How to Fix It

141

#CORS #CORS error #CORS policy #Access-Control-Allow-Origin #Same-Origin Policy #Preflight Request #cors error localhost

What a CORS error really means, why the browser blocks the response, how preflight works, and the right fix: server headers or a Vite dev proxy.

22/10/2026

Choose the Right AI Web Development Tool: 4 Questions Developers Should Ask First (Using HugWeb as an Example)

130

#AI #web development #AI website builder #HugWeb

AI web builders all look the same during demos, but they differ significantly in real-world use. Here are 4 questions developers should ask before choosing, along with an analysis of the real terms of service of HugWeb, a chat-based website builder.

21/10/2026

A curbside mailbox with its flag raised on a quiet morning street, with a comparison card: Polling, you keep asking; Webhook, calls your URL

What Is a Webhook? Webhook vs API, with a Discord Example

145

#what is a webhook #webhook vs api #webhook url #discord webhook #webhook signature #polling vs webhook

What is a webhook, and how does it differ from an API or polling? Post to Discord with curl, keep webhook URLs secret, verify signatures, handle duplicates.

20/10/2026

Cover for "What Is JSON?": overhead view of plain nested boxes, a small cardboard box inside an open wooden box in a green tray, standing for nested JSON objects, with example values "login": "octocat", "site_admin": false and "email": null from the GitHub REST API

What Is JSON? A Beginner's Guide to Reading JSON Files and Data

138

#what is json #json file #json format #is json a programming language #json pronunciation #json object array #json syntax errors

JSON is a plain-text data format, not a programming language. Read a real GitHub API response: Objects, Arrays, 6 value types and 3 mistakes that break JSON.

14/10/2026

A coat-check counter where a hand receives a blank claim ticket while coats hang on a rail behind, with overlay labels reading Cookie: stored in the browser and Session: stored on the server

Cookie vs Session: How Websites Remember You Are Logged In

135

#cookie vs session #what is a session #session cookie #httponly cookie #localstorage vs cookie #set-cookie header #samesite cookie

Cookie vs session explained with real Set-Cookie headers: the data lives on the server, the browser only holds a ticket. Plus HttpOnly, Secure and SameSite.

07/10/2026

Cover for What Is MCP: macro shot of a single USB-C cable plugging into a hub with several cables fanning out to different devices, with an info layer showing the connection roles Host, Client, Server and the three things a Server offers AI: Tools, Resources, Prompts

What Is MCP in AI? Model Context Protocol Explained

145

#What is MCP #Model Context Protocol #MCP Server #MCP AI #MCP vs API #Claude MCP

MCP (Model Context Protocol) is the open standard that lets Claude and ChatGPT use files, GitHub and other tools. Learn Host, Client, Server and the risks.

06/10/2026

Hands holding a blue square wooden block at a shape-sorter box on a wooden table, next to triangle and round blocks that won't fit the same hole, with a JavaScript vs TypeScript comparison: errors found at runtime vs before runtime, and file extension .js vs .ts

What Is TypeScript? TypeScript vs JavaScript and When to Start

143

#what is TypeScript #TypeScript vs JavaScript #difference between TypeScript and JavaScript #should I learn TypeScript #React TypeScript #TypeScript interface #type checking

What is TypeScript? See one real bug JavaScript lets run and TypeScript catches before running, what types can't check, and when beginners should start.

05/10/2026

Cover for "What is an API": over-the-shoulder view of a laptop on a desk, with a flow showing the request GET /users/octocat returning 200 OK and the JSON field "login": "octocat"

What Is an API? How APIs Work, with a Real Example for Beginners

147

#what is an API #how does an API work #API Endpoint #REST API #JSON #HTTP Method #curl

What is an API? Call GitHub's API with your browser or curl, read the JSON reply, and learn endpoints, methods, status codes and API keys in plain words.

02/10/2026

Cover for HTTP status codes explained: a macro shot of vintage signal lamps glowing green and orange-red on a dark background, with a panel summarising 4 classes: 2xx success, 3xx moved, 4xx requester's fault and 5xx server broke

HTTP Status Codes List Explained: 401 vs 403, 502 vs 503

153

#http status codes #http status codes list #401 vs 403 #502 vs 503 #http status code 500 #devtools network tab

HTTP status codes explained for beginners: the 5 classes from 1xx to 5xx, the codes you actually meet, 401 vs 403, 502 vs 503, and how to read them in DevTools.

01/10/2026