If you need to generate a random number in the Java programming language, then this article may help you. Please review the following sections to learn how to use the standard Java API to get a random integer, float or double value. Also, there are methods that allow you to generate arrays with random values. …
This tutorial may be helpful if you need to compare two strings in the Java programming language. This is a very simple task. You just have to use a special method that will check if the string values are equal. However, the Java language provides many different methods that can be used for that purpose. …
This article will show you how to calculate the sum of all elements in an array of numbers. Such an operation is very simple. You just have to iterate over all the elements in the array and make a sum of all values. However, as you probably know, the JavaScript and TypeScript languages are sometimes …
Linux is a multi-user operating system. It allows the user to perform various operations with system resources. For example, you can manage groups, add or remove users, modify file permissions and so on. As a result, there may be a situation when you need to change the current user. You may want to run a …
It's very easy to work with the numbers in the JavaScript or TypeScript programming language. There is a nice API that allows you to perform many of the mathematical operations. However, there may be a situation when the number is given in a string variable. This can occur when data is sent over the network, …
This article explains how to copy a directory in the Linux terminal. That's a very simple operation. In most cases, you can use the regular "cp" command. But it may require using some additional flags if you want to copy the whole directory. Also, at the end of this article, we will describe how the …
This is a detailed guide that explains how to get a Unix timestamp in either JavaScript or TypeScript programming language. We will provide samples that can be run in native environment, without usage of any 3rd party libraries. However, at the end of the article, you may see how to get a timestamp also with …
This article will give you detailed instructions on how to decompress a zip file in a Linux terminal. That's a very simple operation and can be done with just a single command. For that purpose, we can use the "unzip" tool. There is a chance that it's already installed on the system that you have. …
This article describes the different methods that you can use to search for a specific content inside of any file. This may be useful if you need to find some word or sentence in a large group of files. Please keep on reading this guide, we will show various commands that are available on a …
When an image is added to the HTML page, it may not be positioned correctly inside of the parent container. For example, the most common case is when the image is larger than the DIV element. As a result, you may see other regular content overlapped by the picture data. Or even worse, in some …