#CleanCode
23 articles tagged with #CleanCode
Python for Beginners: A Complete 2026 Roadmap
A comprehensive guide to python for beginners: a complete 2026 roadmap — written for learners at every level.
How to Install Python and Set Up VS Code (Step by Step)
A comprehensive guide to how to install python and set up vs code (step by step) — written for learners at every level.
Top 20 Python Projects for Beginners to Build a Portfolio
A comprehensive guide to top 20 python projects for beginners to build a portfolio — written for learners at every level.
Object-Oriented Programming in Python Explained Simply
A comprehensive guide to object-oriented programming in python explained simply — written for learners at every level.
Python Error Handling: try, except, finally Made Simple
A comprehensive guide to python error handling: try, except, finally made simple — written for learners at every level.
JavaScript for Beginners: The Ultimate 2026 Guide
JavaScript makes web pages interactive — master the core language that runs on every browser and server.
HTML and CSS for Beginners: Build Your First Web Page
HTML gives a page its structure; CSS gives it style — build your first real web page from scratch.
Git and GitHub for Beginners: A Complete Guide
Git tracks your code history; GitHub hosts it — learn the essential version control workflow every developer uses.
Python Functions Explained for Beginners
Functions are named, reusable blocks of code — learn to define them, pass arguments, and return values.
Python Interview Questions and Answers (2026 Edition)
Python interviews cluster around fundamentals, data structures, OOP, and gotchas — this guide prepares you for all of them.
Git and GitHub for Beginners: The Complete Guide
Git is the version control system used by virtually every software team on the planet. This beginner guide explains commits, branches, merges, and pull requests clearly, with the exact commands you'll use every day as a developer.
TypeScript for Beginners: JavaScript with a Safety Net
TypeScript adds optional static types to JavaScript, catching bugs before your code runs. This guide explains types, interfaces, generics, and the compile step clearly — with practical examples that show exactly why TypeScript makes large codebases easier to maintain.
React Hooks Explained: useState, useEffect, and Beyond
React Hooks replaced class components and changed how React developers think about state and side effects. This guide explains useState, useEffect, useContext, useRef, and custom hooks clearly, with practical examples for each.
JavaScript ES6+ Features Every Developer Should Know
ES6 and beyond transformed JavaScript from a quirky scripting language into a powerful modern programming language. This guide covers the most important features: arrow functions, destructuring, template literals, async/await, modules, and more.
Object-Oriented Programming in Python: A Practical Guide
OOP is how Python codebases stay organised as they grow. This guide explains classes, inheritance, encapsulation, and polymorphism with real examples — and tells you honestly when to use OOP and when plain functions are the better choice.
Python Decorators: A Practical Guide for Beginners
Decorators are one of Python's most powerful features — they let you wrap functions with reusable logic without modifying the original. This guide explains how they work from first principles, builds several practical decorators (timing, caching, authentication), and covers class-based decorators and decorator factories.
Python Error Handling: try, except, finally Explained
Errors are inevitable; crashes are not. This guide explains Python's exception system from first principles: how try/except/finally works, which exceptions to catch (and which to let propagate), how to raise your own exceptions, and how to write error handling that helps debugging rather than hiding bugs.
Python Virtual Environments: venv, conda, and poetry Explained
Installing packages globally is fine until it isn't — then you have version conflicts, broken projects, and chaos. This guide explains virtual environments from first principles and shows you how to use venv, pip, poetry, and conda to keep your projects isolated and reproducible.
Python List Comprehensions Made Easy
List comprehensions are one of Python's most beloved features — they let you create lists with concise, readable one-liners instead of multi-line for loops. This guide explains the syntax, filtering, nesting, dict and set comprehensions, and when to use (and avoid) them.
Testing Python Code with pytest: A Beginner's Guide
Untested code is legacy code from the moment it's written. This guide explains how to write effective Python tests with pytest — from your first test function through fixtures, parametrize, mocking, and measuring coverage.
Regular Expressions in Python: A Practical Guide
Regular expressions are one of the most powerful text-processing tools in programming — and one of the most avoided, because the syntax looks intimidating. This guide demystifies regex by building from first principles, with real patterns for emails, phone numbers, dates, and log parsing.
Python File I/O: Reading and Writing Files
Almost every real Python program reads or writes files — logs, configs, CSVs, JSON, reports. This guide covers text files, CSV, JSON, binary files, and the modern pathlib approach, with best practices for safe file handling.
SQL Tutorial for Beginners: With Real Examples
SQL is the language of data — used by data analysts, backend developers, and data scientists every day. This tutorial covers SELECT, WHERE, ORDER BY, GROUP BY, HAVING, JOINs, subqueries, and window functions with real examples you can run immediately.