In this article, I will explain how CSS conflicts are resolved automatically in the browser, what are the concepts for solving issues with contradicting declarations and how to quickly override the default behavior. Do you prefer video? There are three…
In this article, I will demonstrate how the old thinking leads us to bad practices when it comes to organizing digital information. I have always missed some easy to follow tutorial on Docker, so I have decided to create it…
In this tutorial, I will show you the basics of Structured Query Language, also known as SQL. We’ll install together Database Management System as a part of the LAMP stack via XAMPP and I will explain how to use MySQL…
A conditional is the ability to determine an outcome based on a given condition. We are used to making decisions based on certain conditions. For example, if we feel great, we’ll go for a walk, if we feel bad, we’ll…
In the previous article, we assigned a string to a variable (let myName = ‘Jan’;). Now, let’s see how to concatenate and interpolate strings. Concatenation Concatenation is a fancy word for combination, and it’s performed with a + operator. It allows us…
Let’s focus on the console.log() for a bit now. The log() part is a method, which is a special kind of function. We will discuss functions and methods later, but since we use this one so frequently, I wanted you to know in the…
If you’ve followed me so far, you should have three variables in your program, that hold your age, year of birth and name. Let’s say I want to store this information about my daughter Julie as well. I could store…
String is another important and useful data type. It’s also a struct like Int but String gives us much more functionality. Strings are always wrapped with quotes, preferably double quotes (“…”). Since String is actually a group of individual characters, we can count those characters. Let’s say…
Type Annotation You are already familiar with type annotation which begins with a colon : and ends with a specific type Int. Type annotation specifies the type of a variable explicitly and tells the computer that the variable can hold only values of the specific…
In the previous chapter, we shortly discussed some basic data types, namely numbers, text (string), and logical values (boolean). Let’s take a look at numbers in more details now. Whole numbers Int (which we used to declare the age variable) stands for integer. This…