What does the / mean in Python 3.4’s help output for range before the closing parenthesis? >>> help(range) Help on class range in module builtins: class range(object) | range(stop) -> range object | range(start, stop[, step]) -> range object | | Return a virtual sequence of numbers from start to stop by step. | | … Read more
Python: How to get the caller’s method name in the called method? Assume I have 2 methods: def method1(self): … a = A.method2() def method2(self): … If I don’t want to do any change for method1, how to get the name of the caller (in this example, the name is method1) in method2? 10 Answers … Read more
I’m trying to pick up a bit of Swift lang and I’m wondering how to convert the following Objective-C into Swift: – (void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event { [super touchesBegan:touches withEvent:event]; UITouch *touch = [touches anyObject]; if ([touch.view isKindOfClass: UIPickerView.class]) { //your touch was in a uipickerview … do whatever you have to do } } … Read more
I’d like to log the call trace during certain points, like failed assertions, or uncaught exceptions. 7 Answers 7
Given the Python function: def a_method(arg1, arg2): pass How can I extract the number and names of the arguments. I.e., given that I have a reference to func, I want the func.[something] to return (“arg1”, “arg2”). The usage scenario for this is that I have a decorator, and I wish to use the method arguments … Read more
I’m starting to code in various projects using Python (including Django web development and Panda3D game development). To help me understand what’s going on, I would like to basically ‘look’ inside the Python objects to see how they tick – like their methods and properties. So say I have a Python object, what would I … Read more
This question already has answers here: Can you use reflection to find the name of the currently executing method? (18 answers) Closed 8 years ago. I know you can do this.GetType().FullName To get My.Current.Class But what can I call to get My.Current.Class.CurrentMethod 7 Answers 7
This question already has answers here: How to get a complete list of object’s methods and attributes? [duplicate] (5 answers) Closed 2 years ago. Is there a way to get all attributes/methods/fields/etc. of an object in Python? vars() is close to what I want, but it doesn’t work unless an object has a __dict__, which … Read more
What is the difference? When should I use which? Why are there so many of them? 5 s 5
Given a Python object of any kind, is there an easy way to get the list of all methods that this object has? Or, if this is not possible, is there at least an easy way to check if it has a particular method other than simply checking if an error occurs when the method … Read more
