Monthly Archives: February 2015

Ubuntu 14.04 adjust Brightness

First install backlight

Find which video card is installed in your system by typing the following command.

For me it’s intel.


Create a configuration file:

and copy the following into the the configuration file:

Save the configuration file.

Now logout and then log back into the system and the brightness control would be working through the function keys.

That’s it. Simple :).


SQL Queries: Select Query in Yii2

We have to add the following namespaces before using Query class:


Following is the list of methods used in SQL Queries:

Query Class
Example 1Example 2


Example 1Example 2

Example 1

Example 1

Example 1

Example 1

Query With Prepared Statements
Example 1

Happy Coding!