ProgrammingKnowledge

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Videos by: ProgrammingKnowledge

Shell Scripting Tutorial for Beginners 2 – using Variables and Comments

5 days 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

6 days 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

1 week 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

2 weeks 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

2 weeks 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 […]

Node.js Tutorial for Beginners 21 – Express.js route parameter

2 weeks ago
Route parameters are named URL segments that are used to capture the values specified at their position in the URL. The captured values are populated in the req.params object, with the name of the route parameter specified in the path as their respective keys.

Download and Install Visual Studio 2017 RC (Community Edition)

3 weeks ago
In this video we will see Download and Install Visual Studio Community 2017 RC. Visual Studio Community 2017 RC is a free, fully featured, and extensible IDE for individual developers, open source projects, education and academic research. You can create applications for Android, iOS, Windows and the web. Visual Studio 2017 recently released by Microsoft […]

Node.js Tutorial for Beginners 20 – Introduction to Express.js

3 weeks ago
Express is a minimal and flexible Node.js web application framework that provides a robust set of features for web and mobile applications.ExpressJS is one of the most popular and widely used web frameworks in the Node.js development zone. ExpressJS allows you to handle Routes, Server and I/O stuff very easily.

How to Install and configuration PostgreSQL on Ubuntu Linux

4 weeks ago
POSTGRESQL is an open-source, full-featured relational database.PostgreSQL is the most advanced open source relational database, MySQL did not have triggers, PostgreSQL did. In this tutorial we will see How to Install PostgreSQL 9.6 on Ubuntu 16.04 LTS. The same procedure can be used for installing PostgreSQL 9.6 on Ubuntu 14.04 LTS. Step 1: Install PostgreSQL […]

Linux Command Line Tutorial For Beginners 37 – netstat command

1 month ago
netstat – Print network connections, routing tables, interface statistics, masquerade connections, and multicast memberships SYNOPSIS netstat [address_family_options] [–tcp|-t] [–udp|-u] [–raw|-w] [–listening|-l] [–all|-a] [–numeric|-n] [–numeric-hosts] [–numeric-ports] [–numeric-users] [–symbolic|-N] [–extend|-e[–extend|-e]] [–timers|-o] [–program|-p] [–verbose|-v] [–continuous|-c] netstat {–route|-r} [address_family_options] [–extend|-e[–extend|-e]] [–verbose|-v] [–numeric|-n] [–numeric-hosts] [–numeric-ports] [–numeric-users] [–continuous|-c] netstat {–interfaces|-i} [–all|-a] [–extend|-e[–extend|-e]] [–ver‐ bose|-v] [–program|-p] [–numeric|-n] [–numeric-hosts] [–numeric- ports] [–numeric-users] [–continuous|-c] […]

Linux Command Line Tutorial For Beginners 37 – grep command

1 month ago
grep, egrep, fgrep – print lines matching a pattern use: grep [OPTIONS] PATTERN [FILE…] grep [OPTIONS] [-e PATTERN | -f FILE] [FILE…] Description: grep searches the named input FILEs (or standard input if no files are named, or if a single hyphen-minus (-) is given as file name) for lines containing a match to the […]

Linux Command Line Tutorial For Beginners 36 – tar command to Compress and Extract Files

1 month ago
tar — The GNU version of the tar archiving utility use tar [-] A –catenate –concatenate | c –create | d –diff –compare | –delete | r –append | t –list | –test-label | u –update | x –extract –get [options] [pathname …] DESCRIPTION Tar stores and extracts files from a tape or disk archive. […]