ProgrammingKnowledge

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Videos by: ProgrammingKnowledge

Shell Scripting Tutorial for Beginners 6 – File test operators

2 months ago
For more detailed Tutorial visit – goo.gl/vn9xIb Shell Script has many operators that you can use to test different aspects of a file. For example, you can use the -e operator to ensure that a file exists before deleting it. Or, you can check that a file can be written to before appending to it. […]

How to Install Node.js and NPM on a Mac

2 months ago
If you’re using OS X or Windows, the best way to install Node.js is to use one of the installers from the Node.js download page. If you’re using Linux, you can use the installer, or you can check NodeSource’s binary distributions to see whether or not there’s a more recent version that works with your […]

How to Install Python 3.6 on Mac OS X

3 months ago
This video explains how to install Python 3 in a Mac OS X, both Mavericks and Yosemite. As the Python website says, “Python 2.x is legacy, Python 3.x is the present and future of the language.” For those who are learning Python on a Mac, it may be slightly frustrating that Apple doesn’t provide the […]

Shell Scripting Tutorial for Beginners 5 – If Statement ( If then , If then else, If elif else)

3 months ago
Conditionals let us decide whether to perform an action or not, this decision is taken by evaluating an expression. Expressions An expression can be: String comparison, Numeric comparison, File operators and Logical operators and it is represented by [expression]: String Comparisons: ——————————— = compare if two strings are equal != compare if two strings are […]

Shell Scripting Tutorial for Beginners 4 – Pass Arguments to a Bash-Script

3 months ago
Passing arguments to a shell script Any shell script you run has access to (inherits) the environment variables accessible to its parent shell. In addition, any arguments you type after the script name on the shell command line are passed to the script as a series of variables. The following parameters are recognized: $* Returns […]

How to create Partition on Windows 10 | Partition Hard Drives

3 months ago
In this video we will see How to reformat and partition a hard drive on a Windows PC. Disk partitioning is essentially separating the hard disk into different sections or parts for storage. If you want to try a new operating system without overwriting your main Windows drive, you can do this partitioning the hard […]

Shell Scripting Tutorial for Beginners 3 – Read User Input

3 months ago
Read command – The read command allows you to prompt for input and store it in a variable. shell allows to prompt for user input. Syntax: read varname [more vars] or read –p “prompt” varname [more vars] words entered by user are assigned to varname and “more vars” last variable gets rest of input line.

Shell Scripting Tutorial for Beginners 2 – using Variables and Comments

3 months ago
In Linux (Shell), there are two types of variable: (1) System variables – Created and maintained by Linux itself. This type of variable defined in CAPITAL LETTERS. (2) User defined variables (UDV) – Created and maintained by user. This type of variable defined in lower letters. Shell variables – var refers to the name, $var […]

Shell Scripting Tutorial for Beginners 1 – Introduction

3 months ago
A shell script is a computer program designed to be run by the Unix shell, a command-line interpreter. The various dialects of shell scripts are considered to be scripting languages. A shell usually interprets a single line of input, but we can also create a file containing a number of lines of commands to be […]

Node.js Tutorial for Beginners 23 – using JavaScript with EJS

3 months ago
EJS is a simple templating language that lets you generate HTML markup with plain JavaScript. EJS is a client-side templating language that was originally part of JavaScriptMVC.Let’s take a look at how we can create a simple application and use EJS,

Node.js Tutorial for Beginners 22 – Node.js template engine EJS in Express

3 months ago
EJS is a simple templating language that lets you generate HTML markup with plain JavaScript. EJS is a client-side templating language that was originally part of JavaScriptMVC.Let’s take a look at how we can create a simple application and use EJS,

Linux Command Line Tutorial | Learn Terminal Commands

3 months ago
Linux is a computer operating system free for development and distribution, both commercially and non-commercially. There are times when you may spend hours doing a repetitive task. A person who knows command line can write a script in 10 minutes and if he has to repeat it, can do it in a second. So what […]