Sorted:

My module adds a CCK field to an existing content type. How do I then modify an existing view to sort using the new field?-Collection of common programming errors

Is this math problem right?-Collection of common programming errors

PHP/Codeigniter – For Loop [Undefined offset]-Collection of common programming errors

I have windows xp I cant send e-mails or open my inbox?-Collection of common programming errors

Tank_auth set_value() undefined on custom login page-Collection of common programming errors

NoMethodError in AuthenticationsController#create undefined method `RandomString' for String:Class-Collection of common programming errors

Local variable undefined in respond_to json block-Collection of common programming errors

What type of behaviour is this?-Collection of common programming errors

Why are these Ruby method calls not equivalent?-Collection of common programming errors

Suppressing Linking Errors in G++ 3.4.6-Collection of common programming errors