How to Backup MySQL Database - Part 2
In this part we'll see some advanced usage of mysqldump command.
Redirect User after login - Drupal 8
When building sites, many client wants users to get redirected to particular page (like Site Home Page) or page based on User Roles. Today we'll see how we can redirect user after login to particular page.
NOTE: I've defined my own custom page using [MODULENAME].routing.yml named as "custom.redirect_callback", which we'll be using for redirecting user.
UNIX vi commands cheat sheet - Part I
vi is default advanced editor available in majority of the UNIX Operating System. It stands for visual Editor. It becomes very useful when you're using Terminal and want to access/edit file on UNIX system. Following are some of the useful vi commands which can be used for quick editing of file.
How to auto start Services on boot - CentOS
Most of the services like httpd, mysqld, crond, etc. are setup to start on boot when we install them. If we want to add new services to auto start on boot, we can use chkconfig utility. Below is example to auto start memcached service on boot.
How to enable Gzip compression using htaccess
Gzip compression allows reducing file size when transferring from server to user browser. We can enable Gzip compression by writing few lines of code in .htaccess file.
For enabling Gzip compression, we need Apache's mod_deflate module enabled. If it is not already enabled, you can enable using the steps provided here.
How to Backup MySQL Database
Taking regular backup of database is very important part of project development. Here's how we can take a backup of database using terminal.
How to detect Mobile device using JavaScript
Here is how to detect if user has opened site in mobile device or desktop. For this we're using JavaScript code which will be executed at client-side.
Replace file extension from string - PHP
Suppose we've file name (with extension) as part of string and while displaying to users we want to replace file extension from string.
Here's how we can do this:
Configure PHP.ini to show errors - Ubuntu
Note: Make sure you're enabling this only on development server.
It's very common for any developers to make a mistake while developing, which will result in White Screen of Death (WSOD). WSOD is normally because PHP error reporting is turned Off.
Here's how you can enable error reporting using PHP.ini file:
Alter $WP_Query in WordPress
When showing list of content (i.e. Posts, Custom Post Type) on Category Page, the main $WP_Query renders posts of default Posts type. To show content from different post type we've to alter the main $WP_Query.
There are few different ways using which we can alter the $WP_Query. But here is one of the way to alter $WP_Query without removing existing conditions in Query.