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In Go, a struct is a composite data type that groups together zero or more values of different types. Structs can be created in several ways, including using the new keyword. In this article, we will discuss how to instantiate a struct using the new keyword in Go. What is the new keyword in Go? The new keyword in Go is a built-in function that allocates memory for a new value of a specified type and returns a pointer to it. The allocated memory is set to zero, which means that the new value will have its zero value for ... Read More
Introduction An open-source environment is made available to users of the well-known operating system Linux so they can do a range of jobs. Two of the most popular package managers are Yum and Apt, and package management is crucial in Linux. Users can easily install, update, and uninstall software packages from their systems using any package management. Yum can be found on Red Hat-based systems like CentOS and Fedora, whereas Apt may be found on Debian-based systems like Ubuntu. In this content, we'll look at two tools for managing packages on Linux: Yum and Apt. Learn about their purposes, results, ... Read More
Introduction In Linux, everything (picture, binary file, text file, directory etc.) is treated as file. It is important to know how to organize and access files in a better way. Mount and umount commands are very handy in this case. In this article, we will learn these two commands. In short, using mount command we can mount a file system into a directory and using umount command we can umount the same file system from that directory. These can be done for hard disk and USB drive also. We have remember that all mount and umount commands works in “sudo” ... Read More
In this article, the user will learn how to obtain week start and end date based on a specific date in Excel. The two examples are depicted in this article. Both examples are based on the starting and end date of the provided week. The first example uses a formula to obtain the start and end date for the week. This example briefs the use of weekday and weekend methods to perform the same task. On the other hand, the second example will allow users to understand the use of VBA code. VBA code example also allows users to use ... Read More
ABS in Excel stands for "Absolute Value". This function takes only one argument, as a cell reference or number directly, and then determines the required absolute value. This article guides learners about the process to generate the opposite of an ABS value in Excel by using the formula, and VBA code method. The formula method contains two basic formulas, to convert the value directly to the opposite value. While the VBA code method is a code-based method, that uses the VBA code to solve the provided task. Example 1: To get the opposite of an ABS value in excel by ... Read More
In this article, the user will learn the process of obtaining the name of the next sheet, by using the VBA code in Excel. This article briefs users about the method to open the code area. Write the developed code in the code area, and finally, call the code to generate the required output. The provided VBA code is detailed and accurate. This article also guides users about the possible shortcuts, that can be used to make the task consume less time. For example, to open the code area use the key combination “Alt” +F11, instead of manually selecting ... Read More
In this article, the user will learn the method to generate random positive numbers without duplicate values in Excel. This article briefs learners on two strategies to perform this same task. The first example uses VBA code to generate unique random numbers, while the second example will perform the same task by using the kutool. The main point to understand while performing a task is that a single task can be done in many ways. So, learners should know which one should be used to generate the results accurately and precisely. Example 1: To generate random number in excel ... Read More
Linux is a widely used open-source operating system that offers users the flexibility to execute programs from any location on the system. Unlike other operating systems, Linux does not have fixed program directories, enabling users to access programs from anywhere. This feature is advantageous for users who require a particular program to run from multiple locations. To execute programs from anywhere in Linux, users need to set the PATH environment variable, which contains the locations where Linux searches for executable files. The directories that contain the programs in Linux include /usr/bin, /usr/local/bin, and /sbin. The /usr/bin directory contains most of ... Read More
Introduction If we want to rename any file in Linux, we use “mv” command. But mv command can only rename one file at a time, it can not rename multiple files at one time in terminal. If we want to rename multiples files then we have to use mv command in different way . Also there are other commands available like “rename” , “mmv”, “renameutils” etc. Though some of these commands are not installed default in Linux , we need to install them separately. In this artile, let us understand each command with some example. Approach 1: Using “mv” command ... Read More
Random data can be identified as random values, used to obtain some results. It can be used to perform simulations, to understand the pattern of different system components. It is useful when a user requires a large data set to evaluate some common feature. This article allows the user to generate a random string with three possible methods. The first method is based on the user-defined formula, the second method is based on the use of VBA code, and the final third method is based on the use of kutool. Example 1: To generate random character string in a range ... Read More