Blog
The CodelyTeam Blog
Practical guides for developers who are learning, building, and working together.
Welcome to the CodelyTeam blog. These are original, in-depth guides written by working developers for people who are learning to code or growing their skills. Each article explains the reasoning behind a technique, not just the steps, and includes examples you can try right away.
You will find articles on debugging methods, Git workflows, JavaScript fundamentals, shipping your own projects, collaborating in a team, and learning to program efficiently. No account is needed to read them. If you want to practise with others, you can join the CodelyTeam community for free at any time.
Topics: Building Projects · Debugging · Git · JavaScript · Learning · Teamwork
All articles
How to Ask a Good Technical Question (and Get Answers Faster)
Get better answers from developer communities: define the problem, share a minimal example, include errors and context, and show what you have already tried.
JavaScriptModern JavaScript Array Methods You Should Use Every Day
Master map, filter, reduce, find, some, every, flatMap, and more. Practical examples show when to use each JavaScript array method instead of manual loops.
GitUndoing Mistakes in Git: Reset, Revert, Restore, and Reflog Explained
Made a mistake in Git? Learn when to use restore, reset, revert, and reflog to undo changes safely, including how to recover commits you thought were lost.
DebuggingHow to Read Error Messages and Stack Traces Without Panicking
Learn to read error messages and stack traces calmly: find the real cause, understand common JavaScript and Python errors, and search for fixes effectively.
LearningLearn to Code in 90 Days: A Realistic Plan for Beginners
A realistic 90-day roadmap for learning to code: what to study each month, how to practice daily, how to build projects, and how to avoid tutorial hell.
TeamworkHow to Do a Code Review That Actually Helps (for Reviewers and Authors)
Learn how to give and receive code reviews well: what to look for, how to phrase feedback kindly, and how authors can make their changes easy to review.
Building ProjectsFrom Idea to Deployed: How to Ship Your First Web Project
A practical roadmap for building and shipping a small web project: choose scope, plan an MVP, build in slices, deploy early, and get real feedback.
JavaScript7 Common async/await Mistakes in JavaScript (and How to Fix Them)
Avoid the async/await traps that trip up JavaScript developers: forgotten awaits, sequential loops, swallowed errors, and unhandled promise rejections.
GitA Simple Git Workflow for Small Teams (Branches, Commits, and Pull Requests)
A practical Git workflow for teams of two to ten developers: short-lived branches, clear commit messages, small pull requests, and fewer merge conflicts.
DebuggingHow to Debug Any Bug: A Step-by-Step Process That Actually Works
A repeatable seven-step debugging process: reproduce the bug, narrow it down, form hypotheses, and verify the fix so the problem stays solved.
Want to practise what you read?
The CodelyTeam Learning Club offers short daily lessons, and the problem boards let you ask questions and help others.
Join CodelyTeam free