Sorted:

Compiling wtwithqt example with QtCreator(qmake)-Collection of common programming errors

Unknown Error in Facebook Apps. when get user info-Collection of common programming errors

Occuring error when i am running GWT in netbeans-Collection of common programming errors

Json error on Javascript-Collection of common programming errors

Nesting a rails form on a show page-Collection of common programming errors

Null is type object, so it's truthy? What's going on behind the scenes?-Collection of common programming errors

problem about firebreath-Collection of common programming errors

How is this debate? Help! 10 Points!?-Collection of common programming errors

Stripping Weak or Undefined Symbols in gcc .a and .so libraries-Collection of common programming errors

what does this mean for linkedin gem? undefined method `downcase' for nil:NilClass-Collection of common programming errors