Materials for
beginner developers
Start your programming journey with simple and clear materials from our experts. Step-by-step guides and practical examples.
Materials for beginners
Carefully selected articles for your level
HTTP Status Codes: What the Server Is Telling Your Program
Every time your program makes an API request, the server responds with more than just data โ it responds with...
SDK vs REST API: What's the Difference and Which Should You Use
In previous lessons we worked with REST APIs directly via requests.get() and requests.post(). But many services ship their own SDK...
HTTP Request Headers: What They Are and Why They Matter
Every HTTP request is made up of three parts: the start line, headers, and a body. Headers are the request's...
URL Structure and Query Parameters
Every HTTP request targets a specific address. Understanding URL structure means you can read requests like plain text instead of...
HTTP Methods: GET, POST, PATCH, PUT, DELETE
In previous lessons we always used GET requests โ asking the server for data. But HTTP supports other methods for...
What Is an API and Why Does It Exist
Every time you open a weather app, pay with a card, or see recommendations on YouTube โ an API is...
Common Python Beginner Mistakes: How to Avoid Them ๐จ
Every Python developer makes the same mistakes at the start. The good news โ knowing them in advance will save...
Git Hosting Platforms: Full Comparison ๐
GitHub, GitLab, Bitbucket โ which one to choose? A complete comparison with up-to-date data.
What Is a Git Commit and Why Do You Need It? ๐ธ
A commit is a saved snapshot of your project at a specific point in time โ like a save point...
Why Git won over every other version control system ๐
Today Git is the de facto standard for version control in software development. But it wasn't always this way. Let's...
Pull Requests: the complete guide ๐
A Pull Request (PR) is a formal proposal to merge changes from one branch into another. It is the cornerstone...
Signing up for GitHub: a step-by-step guide ๐
GitHub is the largest platform for hosting Git repositories and collaborative development. Millions of open-source projects and developer portfolios live...
Other difficulty levels
Choose the level that suits you
Medium level
In-depth materials for developing practical skills
Advanced level
Complex techniques and concepts for experienced developers
Expert level
Advanced technologies and architectural solutions
Keep developing
Study materials of different levels and gradually improve your skills