Determine whether a class has a function
29541
Check if a class has a member function of a given signature
141743
What is the best way to conditionally apply a class?
68416
Determine where a function was executed?
137090
Check if a Class Object is subclass of another Class Object in Java
55601
Finding out which functions are called within a given function
1858
Check if a class is derived from a generic class
36989
Determining functions from specifications...
59324
Finding the PHP File (at run time) where a Class was Defined
4684
What's the canonical way to check for type in Python?
113905
How can I check whether a variable is defined in JavaScript?
42892
How do I check (at runtime) if one class is a subclass of another?
56390
How to detect if a function is called as constructor?
143628
Objective-C Runtime: best way to check if class conforms to protocol?
37247
Finding what methods a Python object has
148248
Check if object is Class type
73021
Javascript : is given function empty?
158565
Determine if a function exists in bash