Blog: Code

This guide will tell you about encoding and it's standards. It will also explain how did it appea...

This guide will explain how using Makefile will reduce the process of deploying a project to a fe...

This guide will cover the fundamentals of Git. You will learn why version control is necessary an...

The right approach to installing programming languages and updating them. Universal asdf version ...

Software development is a challenging process that tends to become much more complex as the numbe...

In a nutshell, (**A**pplication **P**rogramming **I**nterface) refers to how programs or services...

There are no programs without errors. Their number can be reduced with the great help of a type s...

Linux or Mac users sometimes need to run Windows-only programs, and, in turn, Windows users, espe...

Have you ever wondered how the browser understands which page to open when you enter the site add...

Docker is a program that allows the operating system to run processes in an isolated environment ...

Deployment is the process of web service “deployment”, e.g. of a website, in the operating enviro...

Programmers like compact code. If it's done correctly, then it should be easy to read and shouldn...

Is it worth using libraries for a few simple functions? Wouldn't writing them yourself be easier?...

You can write any code inside files (and outside of definitions) in scripting languages like Java...

In dynamic languages, code files can be either executable scripts or modules. Each of these kinds...

Creating functions is easy, creating functions properly is harder. Poorly designed functions freq...

According to our students, projects are one of Hexlet's strongest features. These are special tas...

There are two approaches to writing code: top-down and bottom-up (**descending** and **ascending*...

In this article, I'll look at bad function design decisions that don't seem too bad at first glan...

In some languages, such as Python and JavaScript, variables and constants declared at module leve...

In dynamic languages, there are two main approaches when choosing the input parameters for functi...

All of our students come to Hexlet with a certain amount of educational experience, at least at s...

At some point during the learning process, you'll find that expectations don't match reality, and...

Each of us has our own ideas about what learning should be like. They are based on past experienc...

Reading is important. However, the process of reading matters just as much. On the one hand, you ...

Below are the most common mistakes programmers make when naming variables and functions in their ...

What is the most difficult part of being a programmer? Naming variables. This thought seems t...

It's very easy to make mistakes when you have to handle variables, change them, keep track of the...