django-class-based-views Archives

Python is a powerful general-purpose programming language.

Pandas: Knowing when an operation affects the original dataframe

January 15, 2021 Ollie MC

Question or problem about Python programming: I love pandas and have been using it for years and feel pretty confident I have a good handle on how to subset dataframes and deal with views vs copies appropriately (though I use a lot of assertions to be sure). I also know that there have been tons […]

How does the order of mixins affect the derived class?

January 14, 2021January 17, 2021 Ogima Cooper

Question or problem about Python programming: Say, I have the following mixins that overlaps with each other by touching dispatch():

Class views in Django

January 7, 2021 Ogima Cooper

Question or problem about Python programming: Django view points to a function, which can be a problem if you want to change only a bit of functionality. Yes, I could have million keyword arguments and even more if statements in the function, but I was thinking more of an object oriented approach.

Functions Defined The core of extensible programming is defining functions. Python allows mandatory and optional arguments, keyword arguments, and even arbitrary argument lists.

Are multiple classes in a single file recommended?

January 4, 2021 Odhran Miss

Question or problem about Python programming: Coming from a C++ background I’ve grown accustomed to organizing my classes such that, for the most part, there’s a 1:1 ratio between classes and files. By making it so that a single file contains a single class I find the code more navigable. As I introduce myself to […]

Python super method and calling alternatives

January 2, 2021 Abreonia Ng

Question or problem about Python programming: I see everywhere examples that super-class methods should be called by:

new and init in Python

January 1, 2021 Odhran Miss

Question or problem about Python programming: I am learning Python and so far I can tell the things below about __new__ and __init__:

assigning class variable as default value to class method argument

January 1, 2021 Oceane Wilson

Question or problem about Python programming: I would like to build a method inside a class with default values arguments taken from this class. In general I do filtering on some data. Inside my class I have a method where normally I pass vector of data. Sometimes I don’t have the vector and I take […]

Define a method outside of class definition?

January 1, 2021 Ogima Cooper

Question or problem about Python programming: class MyClass: def myFunc(self): pass Can I create MyFunc() outside of the class definition, maybe even in another module? How to solve the problem: Solution 1: Yes. You can define a function outside of a class and then use it in the class body as a method: def func(self): […]

Importing modules inside python class

December 31, 2020 Simon Abital

Question or problem about Python programming: I’m currently writing a class that needs os, stat and some others.

How to cast a struct to Anyobject in Swift 2?

December 30, 2020 Jeffrey Schneider

Question or problem in the Swift programming language: I have,