Tools & Setup
Python Packaging and Dependency Management
Sharing your Python code with others, or even just managing your own projects, requires understanding packaging and dependencies. The standard way is to us…
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Tools & Setup
Build Tools
Getting Started with Maven: Beyond the Basics
When I graduated from university, I knew how to write Java, but I had no idea how to manage dependencies. I used to download JAR files manually and drop th…
Architecture
Micro Frontends with Module Federation
Module Federation, introduced in Webpack 5, enables true micro frontends by allowing applications to dynamically load code from other builds at runtime. Un…
Testing
Unit Testing in Java with JUnit 5 and Mockito
I used to hate writing tests. I thought it was a waste of time until I had to refactor a legacy module with 100% coupling. I broke everything, and I spent…
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…
Spring Framework
Dependency Injection: Why `new` Is Not Always Your Friend
Early in my career, I used the `new` keyword everywhere. `new UserService(new UserRepository(new Database()))`. I thought I was being efficient. Then came…
Technology
The Dark Side of Tech: Addressing Digital Addiction
While technology offers immense benefits, the dark side of constant connectivity is digital addiction, characterized by compulsive use of devices and apps…
Tools & Setup
Setting Up Your Python Development Environment
A good development environment can make your Python journey much smoother. Start by downloading the latest version of Python from python.org. During instal…
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…
Architecture
Micro Frontends: Scaling Frontend Development
As frontend applications grow beyond what a single team can manage, micro frontends offer an architectural solution. The idea is simple: break your monolit…
Testing
Testing Your Web App: Unit, Integration, and E2E Tests
Testing isn't about achieving 100% coverage—it's about building confidence in your code. A balanced testing strategy uses multiple levels. Unit tests ver…
DevOps
Build Systems and Monorepos: Managing Large-Scale Codebases
As web projects grow, managing multiple packages, applications, and shared code becomes a significant challenge. Monorepos—single repositories containing…
Security
Web Security Fundamentals: Protecting Your Site from Common Attacks
Security isn't something you add after building a site—it needs to be baked into your development process. Cross-Site Scripting (XSS) remains one of the…
React
State Management in React: Beyond useState
As React applications grow, managing state across components becomes increasingly complex. While useState is perfect for local component state, you'll even…