This article will tell you how to disable (hide) block in a few methods: through block settings, PHP-snippet, SQL-snippet, etc.

Attention: You should immediately delete unused code because this could be dangerously. Do not leave back door for hacker!
You can run the code (snippet) in the following ways:

In block
In Execute PHP block …

This article is about re-saving all nodes on your Drupal-based site. You can wish to re-save nodes in the following cases:

This article is devoted to default input format for role or node type. Setting the default input format, you do not need to select format for every node created.

Problem
Get information about users who are currently on the site

So, you should create lines in your Drupal module as to plural work when translating to other languages.

Site was available through sub domain (for example, its test version), and you need to move it to server root.  To avoid content duplicating (search engines don’t like this) you should canonize domain name (redirecting  …

This article is devoted to increasing site performance for registered users. There are two ways for to this: use Block Cache module and use Drupal caching. Below is the detailed description of the first one.

When web site is under construction, it is often stored within subfolder of the existing site so search engines are able to index it. And after the site moves to server root all indexed links …

Problem:

Splitting of primary and secondary menus.
Secondary menus are shown when the primary menu item is selected.
Selecting of all parent items (on all levels) as active class.
Option to output menu tree (many levels) …