ProgrammingKnowledge

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

3 months 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)

4 months 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

4 months 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 months 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

4 months 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

4 months 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

4 months 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. […]

Linux Command Line Tutorial For Beginners 35 – ifconfig command

4 months ago
NAME ifconfig – configure a network interface SYNOPSIS ifconfig [-v] [-a] [-s] [interface] ifconfig [-v] interface [aftype] options | address … DESCRIPTION Ifconfig is used to configure the kernel-resident network interfaces. It is used at boot time to set up interfaces as necessary. After that, it is usually only needed when debugging or when system […]

How to install Visual Studio Code on Ubuntu Linux

4 months ago
Download code for linux – code.visualstudio.com/ In this post we will see How to install Visual Studio Code on Ubuntu Linux. VS Code runs on Mac, Linux, and Windows. See Requirements for the supported versions. VS Code is a free, open source editor.Visual Studio running on OS X and Linux for free? How to install […]

Linux Command Line Tutorial For Beginners 34 – apt-get command to Install Software

4 months ago
NAME apt-get – APT package handling utility — command-line interface SYNOPSIS apt-get [-asqdyfmubV] [-o=config_string] [-c=config_file] [-t=target_release] [-a=architecture] {update | upgrade | dselect-upgrade | dist-upgrade | install pkg [{=pkg_version_number | /target_release}]… | remove pkg… | purge pkg… | source pkg [{=pkg_version_number | /target_release}]… | build-dep pkg [{=pkg_version_number | /target_release}]… | download pkg [{=pkg_version_number | /target_release}]… | […]

Linux Command Line Tutorial For Beginners 33 – How to Run multiple Terminal Commands

5 months ago
How to Run Two or More Terminal Commands at Once in Linux Option One: The Semicolon (;) Operator ls ; pwd ; whoami Option Two: The Logical AND Operator (&&) ls && pwd && whoami Option Three: The Logical OR Operator (||) ls || pwd || whoami

Linux Command Line Tutorial For Beginners 32 – date command

5 months ago
date – print or set the system date and time use date [OPTION]… [+FORMAT] date [-u|–utc|–universal] [MMDDhhmm[[CC]YY][.ss]] DESCRIPTION Display the current time in the given FORMAT, or set the system date.