metaclass
Python metaclass and ModGrammar
I found (after another question here on StackOverflow) this interesting library written in Python which goal is the grammar parsing.[详细]
2023-03-27 23:29 分类:问答python metaclasses at module level
I read What is a metaclass in Python? and I tried to replicate the upper metaclass from the example and found that this doesn\'t work in all cases:[详细]
2023-03-27 14:39 分类:问答implement singleton with metaclass
the code below is how i implement singleton with metaclass, and it works well class Test_MetaClass(type):[详细]
2023-03-25 12:36 分类:问答Removing specific methods from child class which are inherited from parent class
The code is as below, just the basic structure: class FooType(type): def __new__( cls, name, bases, classdict ):[详细]
2023-03-20 19:10 分类:问答Metaclasses in Python: a couple of questions to clarify
After crashing with metaclasses i delved into the topic of metaprogramming in Python and I have a couple of questions that are, imho, n开发者_如何学编程ot clearly anwered in available docs.[详细]
2023-03-17 11:49 分类:问答Dynamically define named classes in Ruby
I am writi开发者_如何转开发ng an internal DSL in Ruby.For this, I need to programmatically create named classes and nested classes.What is the best way to do so?I recon that there are two ways to do s[详细]
2023-03-17 04:28 分类:问答NoneType when changing a value in Python class dictionary
I\'m trying to change the dictionary of a python class so that everytime a function object is added to the dictionary I add an instance of my class where I redefine __call__ instead.[详细]
2023-03-14 03:51 分类:问答metaclass & constructors
It is my understanding that it is difficult to create constructors of classes in Smalltalk and Objective-C. This is because the constructor can\'t be a message of a class instance because the class Cl[详细]
2023-03-12 09:58 分类:问答Custom placeholder like None in python
I\'m using argspec in a function that takes another function or method as the argument, and returns a tuple like this:[详细]
2023-03-09 22:09 分类:问答Groovy adding code to a constructor
Is there a way in Groovy that I can add code to a constructor when a class is instantiated? I have a Groovy class (but I can\'t modify the source of this particular one), but I was hoping there was a[详细]
2023-03-03 01:19 分类:问答