Sorted:

Error message: "cannot read property length of undefined" in yahoo mail?-Collection of common programming errors

What is the default parameter for AUTOLOAD in Perl?-Collection of common programming errors

C++:Undefined symbols for architecture x86_64 – Mac and boost library-Collection of common programming errors

Codeigniter routing behavior with the controllers magic method __call-Collection of common programming errors

Why jsHint doesn't detect an error “is undefined”?-Collection of common programming errors

What are advantages of predefining variable in global scope?-Collection of common programming errors

Rails: Devise: Undefined Method `username'-Collection of common programming errors

float bits and strict aliasing-Collection of common programming errors

Scope of variably sized array-Collection of common programming errors

error: Only the original thread that created a view hierarchy can touch its views-Collection of common programming errors