Codeling Blog
News, tips and learning from the world of backend software development.
Data Structures and Algorithms for Beginners: Practical Python Guide
13 March 2026Learning data structures and algorithms (DSA) is how you get hired as a backend engineer. This beginners guide will show you what you need to know.
How to Use Git for Version Control A Practical Guide
12 March 2026If you're going to learn one skill that will define your career as a software developer, make it Git.
How to Get a Software Engineering Job in 2026
11 March 2026Breaking into software engineering comes down to three things: building the right skills, proving them with a solid portfolio, and then crushing the interview.
How to Become a Backend Developer: 2026 Roadmap to In-Demand Skills
10 March 2026If you've ever wondered what powers your favorite apps, the part you can't see but that makes everything work, you're thinking about backend development.
Should I Use AI While Learning to Code? How to Avoid Vibe Coding Hell
5 January 2026AI coding assistants can write code incredibly well. But if you rely on them before understanding the fundamentals, you'll end up stuck in vibe coding hell with no idea how to fix anything. Here's when to use AI and when to learn the hard way first.
Online Programming Certificates: Which Option Is Right for You?
2 October 2025Programming certificates prove your skills to employers, but where should you get one online? This article compares online university vs course platform options and explains why certificates from Codeling give you more than just a PDF: you leave with real projects in your GitHub portfolio.
Lists vs Tuples in Python: What You Need to Know
25 July 2025Python lists and tuples are both ordered collections, but they differ in key ways like mutability and performance. This guide compares them side by side, with examples, use cases, and tips to help you choose the right one.
A Complete Guide to Using for Loops in Python
8 July 2025Learn how for loops work in Python, from the basics of iterating over lists and dictionaries to advanced patterns using enumerate(), zip(), chain(), and more.
List, Dict, Set and Generator Comprehensions in Python
24 June 2025This guide breaks down list, dict, set, and generator comprehensions — with examples, performance tips, and when not to use them.
Manage Python Projects With uv
11 June 2025From managing dependencies to running scripts, uv is changing the way we handle Python projects. This guide breaks down how to use uv for lightning-fast, reliable Python development.