Sorted:

How do I create an instance of a trait in a generic method in scala?-Collection of common programming errors

problem about mwe-Collection of common programming errors

How to find Percentage in java my code giving error?-Collection of common programming errors

multibyte character set changing appearance of buttons-Collection of common programming errors

NSMutable Array Leak-Collection of common programming errors

C complex memory leak-Collection of common programming errors

problem about rtsp-Collection of common programming errors

Passing an interface to a base class – C#-Collection of common programming errors

File upload problem using Apache commans File upload API in JSP/Servlet-Collection of common programming errors

Backward compatability of Libraries.-Collection of common programming errors