Jenkins Error: Running two Java Versions – Jenkins Problem in Mac OS
Hi Everyone – Today we are going to discuss about how to have two version of Java Development Kit running in MAC OS and how to switch…
How to define String in PHP?
A string is a group of characters, where a character is equivalent to a byte. This implies PHP just supports a 256-character set and subsequently doesn’t offer…
How to Print Multidimensional Associative Array in PHP using loop with example?
Foreach Loop with Multidimensional Associative Array :- Multidimensional Associative Array is used to store using foreach loop arrays value where pairs arrays value can be an integer…
How to Use Middleware In Laravel.
step:1– first, you have go this path: C:\xampp\htdocs. then you have right-click on the git base here. same as this pic. Step:2- write any project name like…
Php Error: Composer – allow_url_fopen must be enabled in php.ini
Solution $ php -i | grep allow_url_fopen $ allow_url_fopen => Off => Off $ php -d allow_url_fopen=on /opt/cpanel/composer/bin/composer update
How to run php artisan queue:listen in background on Ubuntu or Linux machine
Steps:1. Login to ubuntu machine using putty or any other ssh client2. Run command: sudo -s3. Run command: cd /opt/lamp/htdocs/<Laravel project directory name>4. Run command: sudo vi…
What is Adobe Photoshop?
What is adobe Photoshop? Photoshop is software that was created by Adobe Systems users in the year 1990.Since then it has been used in web designing, graphic…
Restore a default RHEL 7.x default repo list of EC2 Instance
Many time, my students have deleted or corrupted a yum repo list of RHEL7 or Centos 7 and i spent lots of time solving these problem. This,…
How to Print Multidimensional Numeric Array in PHP using loop?
For Loop with Multidimensional Numeric Array:- Multidimensional Array means one or more arrays have multple array values access. It can store numbers, string multiple array uses of…
HTML Tutorial Part-1
What is HTML? Html provides a way of displaying Web pages with text and images or multimedia content. HTML is not a programing language, but a markup…
Echo Statement, Print Statement, and Here document in PHP.
Echo Statement This statement is used to output the data to the screen or printing text on the screen. For Example:- echo “Sushant Kumar”;echo ‘Sushant Kumar’;echo 59.236;echo…
What is a client, Server, Internal Data Types, and Variables in PHP?
Php Introduction PHP is an open Source Server-side programming/ Scripting language that suited for web development and can be embedded into HTML. PHP stands for Hypertext Preprocessor…
What is Multidimensional array in PHP with Example?
Multidimensional Array is Arrays of Array means one arrays have multiple array. You can define as it have 2Dimensional ([][]), 3Dimensional ([][][]), 4Dimensional ([][][]), and etc. ex:-…
What is settings.gradle in Gradle?
A gradle build has three important files. build.gradle, gradle.properties and settings.gradle Gradle build lifecycle consist of three phases: initialization, configuration, and execution. settings.gradle get evaluated in the…
What is Gradle DAG (Directed Acyclic Graph)?
What is DAG (Directed Acyclic Graph) In computer science and mathematics, a directed acyclic graph (DAG) is a graph that is directed and without cycles connecting the…
How can use Array Operators in PHP with Example?
Php union:- ($a+$b) = Work as union means if same value then replace left variable to right variable(for keys that exit both array) ex:- Php Equality:- Key…
AJAX Crash Course
What is AJAX ? Asynchronous Javascript & XML Set of web technologies Send & receive data asynchronously Does not interfere with current web page JSON has replaced…
DevOps Training Online – Class Recordings – January 2020
Dear Participants, Here are the consolidated URLs of DevOps training videos/class recordings/tutorials AWS Video Tutorial – January 2020 – (PDF – Notes) Docker Video Tutorial – January…
Top Plagiarism Checker Tool For SEO in 2020.
Q1. What is Plagiarism Checker? Plagiarism Checker means Duplicate Content Finder. It a free online tool to scan duplicate content with accuracy in no time. It accurately…
Protection of CSRF in Laravel
What is CSRF? CSRF stands for Cross Site Request Forgery and it’s a web attack that forces a user to make unintended requests to a web application where they are previously…
What is difference between echo, print, and print_r in PHP with example?
Echo Statement:- The echo statement is used to output in display with or without parenthesis echo or echo() but no return value. Echo Statement faster than print…
Laravel 5.5 php artisan migrate error in Ubuntu: SQLSTATE[HY000] [2002] Connection refused
How I got this error?Ans: I was running php artisan migrate command in /opt/lampp/htdocs/project_dir What was the error? ubuntu@ip-ip_addr:/opt/lampp/htdocs/project_dir$ php artisan migrateIn Connection.php line 664: SQLSTATE[HY000] [2002]…
Ubuntu or Linux Error: Unable to access XAMPP MySQL from /opt/lampp/bin/mysql
Here’s the complete article on the solution with baby steps:How to link php from XAMPP installation to use php command from user or any other directory in…
How to link MySQL from XAMPP (/opt/lampp/bin) to use mysql command from any directory in Ubuntu or Linux
Assumption: I assume that you have already installed XAMPP in your Ubuntu OR Linux machine.If not, then you may follow this link to do so: https://www.devopsschool.com/blog/installing-xampp-7-4-xxx-on-ubuntu/ and https://www.devopsschool.com/blog/how-to-link-php-from-xampp-installation-to-use-php-command-from-user-or-any-other-directory-in-ubuntu-or-linux/…
Ubuntu or Linux error: Error: EACCES: permission denied, mkdir ‘/opt/lampp/htdocs/node_modules/node-sass/vendor’
How I got this error:I got this error while running command: npm install in one of my project directory located at /opt/lamoo/htdocs What was the Error: root@ip-ip-address:/opt/lampp/htdocs/[projectName]#…
How to install latest version of nodejs in Ubuntu or Linux
Steps:1. Login to Ubuntu or Linux machine using ssh client like putty 2. Run command: sudo -s3. Run command: sudo apt-get install curl4. Run command: curl -sL…
Linux Tutorials: How to setup SSH keys on Ubuntu/ Linux
Introduction:If you want to clone a repository from gitlab, github or bitbucket in your Ubuntu machine then you may need to setup SSH Keys in ubuntu and…
How to install composer in Ubuntu or Linux machine
To install Composer on your Ubuntu or Linux system, perform the following steps: 1. Check if you have PHP installed and configured properly. If not then please…
How to link php from XAMPP installation to use php command from user or any other directory in Ubuntu or Linux
Assumption:I assume that you have already installed XAMPP in your Ubuntu OR Linux machine.If not, then you may follow this link to do so: https://www.devopsschool.com/blog/installing-xampp-7-4-xxx-on-ubuntu/ How I…
What is the difference between numeric and associative array in loop with example?
For Loop with Numeric Array:- Numeric Array uses in For Loop for Declaration and Initialization as numeric index values are store and access. ex:- For Loop with…