Drupal's cache system is pretty simple. Basically, you can cache all pages trough the administration. But what happen if you need to exclude a page from caching?

How to create an PHP redirection. What are the solutions ?

Use Underscores ("_s") and Bootstrap to create a starter template for Wordpress.

How can I create a multilingual website on Drupal?

Query the most commented posts as a list in wordpress, the right way (not query_posts, see why).

If you give to your authentificated users the permission to administer menus and menu items, then all the menu including the navigation menu will be accessible. This could be a real problem, especially when you need that the authentificated users can only acces to the main menu. The module Menu Admin per Menu is here to solve this problem !

The update manager allows you to set up the notifications of regular or security updates. How to configure the update manager ?

What are the Facebook image dimensions (profile picture, cover, etc.) ?

How to update Drupal 7's core ?

How is possible to insert an image into a body field using CKeditor ? The IMCE is the answer.