How to install Mysql on Ubuntu from command line

To install Mysql on Ubuntu what you have to  do is type  the following command:

sudo apt-get install mysql-client mysql-server

and then you will see something like this:

What you have to do there is type the  password for the root user.

and that's all.

Good luck!!!!!

Ruby on Rails Remove Blank elements from array

Sometimes, when you are working with arrays it is possible to have  empty elements,therefore you will need to clean it. In this section I will show you how to remove blank elements from a array using either Ruby on Rails or just Ruby.

Given the array called test
=> ["test", "", 1, 2, ""]

so, to remove the blank elements this is the syntax:

for Ruby on Rails:

test.reject &:blank? 

For Ruby:
  test.reject &:empty? 

How to install NetBeans On ubuntu

First of all, To Install NetBeans 8 in your computer go to [NetBeans Web Site] and download that version that you want in my case I am going to choose  the PHP version.

Secondly, Open your terminal and type the following command:

  

chmod +x /Downloads/netbeans-8.1-php-linux-x64.sh

Then, type this command in your terminal as well:

  

cd ~/Downloads && ./netbeans-8.1-php-linux-x64.sh

Finally, you should see a netbeans wizard installation.

How to updgrade Google Chrome in Ubuntu

If you want to upgrade your current chrome you must  open your terminal and write these commands:

  

$ sudo apt-get update

$ sudo apt-get install google-chrome-stable

It is important to note that, these commands either upgrade or  install Google Chrome on your computer.

Sublime | How to change selected tab color

If you want to change sublime  selected tab color  in order to achieve this:

You must follow  these steps:

1. Got to:  Preference->Browse Packages..
2. In the  packages windows , go to the folder User/
3. Create a new file called "Default.sublime-theme"
4. Open the file Default.sublime-theme and add the following code:
   

     
   [{"class": "tab_control", "attributes": ["selected", "file_medium_dark"],"tint_modifier": [91,123,33]}]
   
   

5. Save the changes and see the result immediately

Linux Command Shell : how to make Apache owner of folder

If  you need to make Apache owner of a specific folder, you can  achieve it , by executing the following  Linux command:

  
     chown -R apache /var/www/symfony_app/My_Folder/

This command will cause Apache is the owner of the folder and the contents in it.

The Purge: Election Year Official Trailer #1 (2016)

The Purge