Articles and guides from practicing developers. Learn new things, find solutions and implement your ideas.
Learn how to work with SQLite, the most popular embedded database in the world. We analyze the installation, basic commands, work with Python and JavaScript, as well as real examples of use. Ideal for a start in the world of databases.
We will discuss the fundamental types of relationships in relational databases. Learn how to properly design one-to-many and many-to-many relationships, create intermediate tables, work with foreign keys, and optimize queries. Examples in SQL and TypeORM, analysis of typical errors and best practices for developers.
Learn the four basic SQL commands for working with databases. Detailed examples of SELECT, INSERT, UPDATE and DELETE with practical tips, transactions and protection against SQL injections. Ideal for beginner developers.
A detailed guide to creating Pull Requests for developers. Learn how to fork repositories, create branches, create PRs, and pass code reviews. Practical advice on participating in open-source projects, common mistakes and etiquette of collaborative development.
A complete guide to working with Git branches for developers. Learn how to create branches, switch between them, merge changes, and resolve conflicts. We analyze the difference between merge and rebase, popular branching strategies (Git Flow, GitHub Flow) and best practices for team development.
Learn the basics of Git from scratch! In this article, you will find a step-by-step guide to the first commands of the version control system: from installation and configuration to creating commits and working with remote repositories.
A complete guide to modern JavaScript capabilities: arrow functions, destructuring, promises, async/await, classes, and other ES6+ features. Learn the key tools of modern JavaScript that will make your code cleaner and more efficient.
Let's take a look at Promise in JavaScript: three states of promises, then/catch/finally chains, Promise.all and Promise.race methods. Practical examples, typical mistakes and best practices for working with asynchronous code for developers.
Let's figure out how to work with asynchronous code using async/await. Learn how to avoid callback hell, handle errors correctly, optimize parallel operations, and apply advanced patterns.
In this article, you will find practical tips on choosing your first programming language, learn how to study correctly, avoid typical beginner mistakes, and achieve results faster. Suitable for anyone taking their first steps in IT.
In this article, we will analyze the basics of working with DOM: how to find, modify, create, and delete elements. Practical examples and ready-made code for creating an interactive task list will help you quickly master the material.
Learn how virtual environments help avoid library version conflicts and isolate the dependencies of each project. A step-by-step guide to creating, activating, and managing virtual environments for beginner Python developers.
