APIs
Working with APIs in Python
APIs (Application Programming Interfaces) allow different software applications to talk to each other. Many services provide APIs to let developers access…
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22 articles found
APIs
JavaScript
Building a Simple REST API with Express.js
Once I was comfortable with frontend JavaScript, I wanted to build my own backend. Express.js is the most popular framework for Node.js. It's minimalist an…
DevOps
Logging Best Practices with SLF4J and Logback
Logging is often an afterthought until something goes wrong. I’ve been on calls where we were trying to debug a failure and realized the logs were either…
JavaScript
Local Storage vs. Session Storage vs. Cookies
When I needed to save a user's theme preference (dark mode) on my first web app, I was confused by the options. Cookies are the old school way. They are se…
JavaScript
Understanding HTTP Requests: GET, POST, PUT, DELETE
When you type a URL in the browser, you're making a GET request. It asks the server, 'Please give me this resource.' When you submit a login form, you're o…
Backend
Building Your First API with Node.js and Express
Creating your own API is a milestone for any web developer, and Node.js with Express makes it surprisingly approachable. Start by initializing a project wi…
JavaScript
Getting Started with Node.js and NPM
JavaScript used to be confined to the browser. Then Node.js came along and allowed us to run JavaScript on the server. For a beginner, installing Node also…
Web Development
Building a REST API with Flask-RESTful
REST APIs are a common way to expose functionality to other services or frontend applications. Flask-RESTful is an extension that simplifies building REST…
AWS
CloudFormation: Infrastructure as Code Explained
CloudFormation lets you define your entire AWS infrastructure in a text file. I moved from manually clicking through the console to writing templates, and…
How to Use Claude
Fine-Tuning Claude with System Prompts: Advanced Techniques
System prompts are one of the most powerful and underused features for anyone building with the Claude API. They let you shape how Claude behaves throughou…
AWS
AWS Identity and Access Management: Who Gets In?
IAM is the security guard of AWS. It controls who can access what. The biggest mistake I see beginners make is using the root user for everything. The root…
Stack Overflow
The 'XY Problem' and How Stack Overflow Helps You Avoid It
The XY problem is when you try to solve problem X, you think solution Y is the answer, and then you ask for help with Y, completely missing the fact that X…
Progressive Web Apps
Progressive Web Apps: Bridging Web and Native
Progressive Web Apps (PWAs) represent the best of both worlds—the reach of the web with the capabilities of native apps. A PWA is essentially a website t…
Backend
Bun vs Node.js: The JavaScript Runtime Showdown
Bun has emerged as a serious competitor to Node.js, promising dramatically faster performance for JavaScript and TypeScript development. Built on JavaScrip…
Security
Authentication in Web Apps: JWT, Sessions, and OAuth Explained
Authentication is one of those topics that every web developer eventually needs to understand. The two traditional approaches are session-based authenticat…
How to Use Claude
Claude API: A Beginner's Guide for Developers
If you want to build applications powered by Claude, the Claude API is where you start. This guide covers the basics for developers who are new to the Anth…
DevOps
Observability in Web Apps: Beyond Logging
Understanding what's happening in production applications requires more than scattered console.log statements. Observability is the practice of instrumenti…
Database
PostgreSQL for Web Developers: Advanced Features You Should Know
PostgreSQL has become the database of choice for web development, but many developers only scratch the surface of its capabilities. Beyond basic SELECT que…
Internationalization
Internationalization (i18n) for Web Apps: Beyond Simple Translations
Building web applications for global audiences requires more than just translating text strings. True internationalization (i18n) encompasses number format…
CMS
Headless CMS Architecture: Content Management for Modern Web
The headless CMS architecture decouples content management from content presentation, giving developers flexibility to use any frontend technology while le…
Design Systems
Design Token Systems: Scaling Design Consistency
Design tokens are the single source of truth for visual design attributes—colors, typography, spacing, shadows, animations—represented as platform-agno…
Real-Time
Server-Sent Events: Simpler Real-Time Alternative to WebSockets
Server-Sent Events (SSE) offer a simpler alternative to WebSockets when you only need one-way communication from server to client. Unlike WebSockets' bidir…