One of the most commonly used data structures in any programming language is lists. And the most popular programming language Python is no exception. In this article, we will learn how to determine the length of a list, and also understand possible pitfalls when determining the length of nested lists. This article will be useful not only for beginner programmers, but also for those who, for one reason or another, are looking for alternative methods for calculating the length of lists.

In the previous article, we considered several of the most popular operating systems that are usually chosen for installation on VPS servers. And today we want to introduce you to some of the latest operating systems, which, in our opinion, deserve attention and may become popular in the future, having earned their share of the market.

If you have decided to rent a VPS server, but do not know which operating system distribution to choose to install on it, so that it meets all your requirements - then this article is for you. Here we will get acquainted with the six most popular Linux distributions and discuss the strengths and weaknesses of each of them.

Virtual environments have become a must-have tool in any developer's arsenal, as they allow isolating the development environments of individual applications to prevent conflicts between different system components or components of different versions. In this article, we will introduce the Virtualenv tool for Python3, as well as look at examples of its use and explore best practices for its use.

The number of websites on the Internet is growing tremendously and WordPress is the tool that made it possible, as it allows you to create websites in a user-friendly interface, even without special knowledge and skills in working with HTML and CSS. Thanks to this - more than 40% of all websites on the internet are now built on WordPress. In this article, we will look at the top 5 additional plugins for WordPress, which will allow you to bring your site to a new level, both in search results and in the field of security.

Most Internet users have encountered the Connection Refused error at least once when visiting websites, accessing network services, or connecting to remote servers. Finding the cause of this error, and there may be several, and eliminating it requires a systematic approach, which is described in this article.

Every administrator and owner of any website has repeatedly faced the main problem: how to choose the right server configuration for the needs of their project. And this question, which seems very complicated, in fact, with the right and systematic approach, can have a very simple solution. In this article, we will talk about choosing a server for your project, be it a database server or a high-load online store.

Kanban is a very popular agile project management methodology these days, especially in the IT and software development industries. This article will cover the main components of the Kanban framework, its origins, structure, key principles, and practical application, as well as how it relates to modern software development and operations management.

Earlier, we got acquainted with such a containerization tool as Docker, and dealt with its basic concepts, such as images and containers. In this article, we will take a closer look at how to create your own Docker image and upload it to Dockerhub for further use.

One of the basic tools in the arsenal of any network engineer or system administrator is the DNS server query tool - nslookup, which allows you to identify and localize any problems associated with name servers. In this article, you will get acquainted with the basic functionality and syntax of nslookup when working in Linux and Windows using simple examples.