Functions, Conditional Statements and Loops in Bash Let’s continue leaning about bash scripting. In this article we will deep dive in Functions, Conditional Statements and Loops in Bash. You can checkout Basics of Bash before deep diving into scripting part. Function in bash script To organize and reuse code with more efficiency and readability of the script, …
What is bash? Bash is the shell or command language interpreter for GNU/ Linux operating systems that processes shell commands. In other words, it’s a shell interpreter that takes commands from user and performs actions with the help of underlying operating system services. Bash currently runs on nearly every version of Unix. What is bash …
What is OAuth: It is a framework to facilitate delegated and controlled access on behalf of user. So basically, it is a protocol that allows a user to grant a given third-party web site or application access to the user’s protected resources, without necessarily revealing their long-term credentials or even their identity. There are different …
Optional was introduced in Java 8 and its primary objective is to prevent NullPointer exceptions in code. Consider it as wrapper/container object which may or may not hold a non-null value. One needs to unwrap/de-containerize it to get the actual content using methods provided by Optional itself. For example – method ‘isPresent‘ invoked on Optional …
What is JavaScript? JavaScript is a cross-platform, object-oriented scripting language used to make interactive webpages that includes complex animations, clickable buttons, popup menus. There are also more advanced server-side versions of JavaScript such as Node.js, which allow you to add more functionality to a website. JavaScript was invented by Brendan Eich in 1995 and became an …
