Bash Shell
Efficiently Reading a File Line by Line in a Shell Script
Reading a file line by line is a common task in many shell scripts, as it allows you to process…
Category: Programming
Python
How to Declare a Variable in Python
In Python, a variable is a named location in memory where you can store and access data. Variables are used…
Bash Shell
Check if a Variable Contains a Number in Bash
A number is a combination of 0-9 digits—the Bash variables stores all value in the form of strings. Even if…
JAVA
What are the Access Modifiers in Java
An access modifier is a special kind of variable declaration that controls how and where other code can use the…
Bash Shell
How to run a command on bash script exits
Shell scripts are handy for automating tasks like backup databases, clearing log files, etc. You need to perform some tasks…
Bash Shell
How to Detect and Handle Errors in Your Bash Scripts
We can use the trap command to catch the error signal system by the system during script execution. Then you…
Nodejs
How to Install Grunt on Ubuntu 22.04 & 20.04
Grunt is a node-based task runner that helps developers automate common tasks during the software development process. It can be…
Nodejs
How to Install Bower on Ubuntu 22.04 & 20.04
Bower is a package manager for front-end development that allows you to manage your dependencies and includes features like versioning,…
Python
How to Accept User Input in Python
In Python, there are a few ways to accept user input. In this blog post, we will explore three different…
JavaScript
Understand `var`, `let` and `const` Variables in JavaScript
Understanding the difference between var, let, and const is crucial for any JavaScript developer, especially for beginners. These keywords are…