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Understanding .htaccess I

Introduction to .htaccess

Preventing Multiple, Simultaneous Logins

Prevent two users from logging in with the same credentials at the same time

Clearing the MODX Cache

CacheClear: A utility for manually clearing the MODX cache

Taming the Google Chrome Cache II

Prevent Chrome from caching anything with a convenient Chrome extension

Taming the Google Chrome Cache I

Preventing Chrome from caching your code

Error Call to Member Function get on null IV

Put a message in the error log when the resource has an invalid parent

Error Call to Member Function get on null III

More efficient code for the sanity check preventing the "Error call to member function get on null."

Error Call to Member Function get on null II

Preventing the "Error: Call to a member function get on null" with a sanity check.

Error call to member function get on null

What causes the "Call to a member function get() on null" error

Preserve Formatting When Pasting Text in PhpStorm

Maintaining structure and indentation when pasting code in PhpStorm