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In this article, we will learn how to write a swift program to find even numbers from the array. Even number are those number which are completely divisible by 2. For example, 2, 6, 50, 20, etc. Here we use the following methods to find the even numbers from the array. Using for-in loop Using filter() function Method 1: Using for-in loop To find the even numbers from the given array we use for-in loop. Using for-in loop we iterate through each element of the given array and check if the element is even number or not. ... Read More
In this article, we will learn how to write a swift program to fetch elements from an array based on an index. Using array syntax An array is used to store elements of same data type in an order whereas a set is used to store distinct elements of same data type without any definite order. In an array, every element has an index. The array index is start from 0 and goes up to N-1. Here N represent the total number of array elements. To retrieve elements from the array according to their index we can use subscript syntax. ... Read More
Introduction Secure Shell (SSH) is a network protocol that allows secure remote connections between two systems. It is commonly used to access and manage Linux servers remotely. However, one of the problems with using SSH is that your session can be terminated due to downtime or network outages. This can be frustrating, especially if you're working on a long-running task that requires an uninterrupted connection. In this article, we will discuss various methods of keeping an SSH session alive on Linux. Using the ClientAlive Interval Option One way to prevent an SSH session from closing due to inactivity is to ... Read More
In this article, we will learn how to write a swift program to convert set of string to array of string. An array is used to store elements of same data type in an order whereas a set is used to store distinct elements of same data type without any definite order. Now to convert a set of string to an array of string we use the following two methods − Using Array() initializer Using map() function Method 1: Using Array() Initializer To convert a set of string to an array of string we can use Array() initializer. ... Read More
Introduction The Linux cat command is a powerful utility that allows users to concatenate, view and create files. One of its useful features is the ability to write text to a file, either by appending it to the end of the file or by overwriting the existing content of the file. In this article, we'll explore how to use the cat command to write text to a file in Linux, covering the various options and flags that can be used to customize the behavior of the command. Introduction to the Linux Cat Command The cat command is a simple yet ... Read More
Introduction As a Linux enthusiast, you may have come across situations where you needed to perform some repetitive tasks and wished if you had a counter that could keep track of the number of times you performed a certain task. Well, guess what? Bash scripting allows you to do just that! In this article, we will discuss how you can implement a counter in your Bash scripts and use it to keep track of the number of times a certain task is performed. But before we dive into the implementation details, let's first understand what a counter is and why ... Read More
In this article, we will learn how to write a swift program to append an element into an array. An array is used to store elements of same data type in an order whereas a set is used to store distinct elements of same data type without any definite order. Here we use the following methods to append an element into an array − Using append(_:) function Using operator Method 1: Using append(_:) function To append an element in the array we uses append( function. The append(_:) function adds a new element at the end of the array. ... Read More
Introduction There are several reasons why you might want to count the number of duplicate lines in a text file on a Linux system. For example, you may want to find out if there are any errors in your data or you may want to optimize your file by removing duplicates. Whatever the reason, Linux provides several tools and commands you can use to do this. Preparation Before we dive into the commands, let's first create a text file with a few duplicate lines that we can use for testing. Open a terminal and create a new file using the ... Read More
Introduction The Paste command in Linux is a useful tool for merging multiple files or lines of text into a single file or output. It is commonly used in conjunction with the cut command, which allows users to cut specific lines or sections of text and paste them elsewhere. In this article, we'll explore the various options and usage scenarios for the paste command in Linux, as well as demonstrate how to use it with examples and output. What is the Paste Command? The Paste command is a utility on Unix and Linux operating systems that allows users to merge ... Read More
Gone are the days when firms used to believe that supervision, monitoring, and disciplining your employees would only lead to productivity. We live in an era of out-of-the-box thinking and creative solutions to dynamic problems. Employees want to work with free will. They prefer coaching as a style of management. If a manager or supervisor is going to be on their tail dictating every move for them, they will soon leave the organization. We are not the industrial revolution or a bygone technological era. For us, machines do all the repetitive work, and we want someone who can use ... Read More