common.blog

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 ...

What's really important when choosing a programming language, and how do you start learning?

This is Ruslan's story. Ruslan worked in the oil industry in Ufa, Russia but dropped everything t...

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...

We are launching our new study program in English. The first course — [Programming fundamentals](...