Recent questions tagged class

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class - PowerShell 5 and classes - Cannot convert the "X" value of type "X" to type "X"

I'm trying to use PowerShell's classes that is very handy way of grouping related data together and facing ... overcome such kind of issues? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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class - Overload int() in Python

Say I have a basic class in Python 3 which represents some number-like data-type. I want to make it so when I ... to find out how to do it. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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class - ColdFusion: about using custom "own written" Java classes

I need to use my own java class in a cfml page. This entry in the documentation sounds great but does not explain ... !. Can you please help me? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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class - Python decorator to automatically define __init__ variables

I've got fed up of continually typing the same, repetitive commands over and over again in my __init__ function. I ... that I use CPython 2.7. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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538 views

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class hierarchy - NHibernate - Changing sub-types

How do you go about changing the subtype of a row in NHibernate? For example if I have a Customer entity ... think about changing the model. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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class - "Y does not name a type" error in C++

I don't know what to search to find an explanation for this, so I am asking. I have this code which ... border_width; } build_menu; } settings; See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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class - Create objects in conditional c++ statements

I am learning c++, and I just got to the object oriented chapter. I have a question about creating objects ... here. Thank you in advance! See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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class - How to echo a custom object in PHP?

Given a particular class with an instance foo, is there any way to have PHP echo foo; in a customized manner? ... but upgrading is not an issue. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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class - Main method in Scala

I wrote a Scala class and defined the main() method in it. It compiled, but when I ran it, I got ... we always need an object for this? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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class - Does Python have something like anonymous inner classes of Java?

In Java you can define a new class inline using anonymous inner classes. This is useful when you need to ... is used in these circumstances? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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580 views

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class - Toggle between two classes in jQuery

I'm trying to modify the icons for the jQuery UI portlets. Rather than have a plus to minimize and a ... plus and minus to toggle correctly. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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class - What in the world is the attribute "__class__" in python

I have a question about __class__ in python. The documentation says that __class__ is the class to which a ... is the attribute __class__ ？ See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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519 views

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class - Exposing Member Objects As Properties or Methods in .NET

In .NET, if a class contains a member that is a class object, should that member be exposed as a property or with a method? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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496 views

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class - Instance variables in methods outside the constructor (Python) -- why and how?

My questions concern instance variables that are initialized in methods outside the class constructor. This is for ... with my understanding. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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class - In C++ I Cannot Grasp Pointers and Classes

I'm fresh out of college and have been working in C++ for some time now. I understand all the basics ... any help would be greatly appreciated. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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783 views

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class - uml classdiagram constructor with parameters

I am a complete ROOKIE at this so I need some help on it. How would you create uml class diagram and ... 0. (policy number is attribute) See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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679 views

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class - Is it a bad practice to have multiple classes in the same file?

I used to have one class for one file. For example car.cs has the class car. But as I program more classes, I ... in the same file or is it ok? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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559 views

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class - PHP Classes: when to use :: vs. ->?

I understand that there are two ways to access a PHP class - "::" and "->". Sometime one seems to work ... is the right situation to use either? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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861 views

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class - Difference between methods and attributes in python

I am learning python and doing an exercise about classes. It tells me to add nd attribute to my class and ... the difference between the two? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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569 views

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class - Python - self, no self and cls

Yet another question on what the 'self' is for, what happens if you don't use 'self' and what's 'cls ... declaration. Is this all right? Thanks. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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636 views

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class - What's an example use case for a Python classmethod?

I've read What are Class methods in Python for? but the examples in that post are complex. I am looking for a ... be the right tool for the job? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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631 views

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class - Python mutually dependent classes (circular dependencies)

I've searched a lot, but what I find is mainly examples of recursive programming in python. So here goes the question: ... ) class B: a = A() See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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654 views

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class - Change all columns from factor to numeric in R

I am working with a big dataset that is causing some trouble because some of the columns I the dataset are ... columns into a numeric class? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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685 views

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class - C++ constructor not called

In the following code the constructor is called only once (i.e.) when Car() executes. Why is it not ... calling any constructor return 0; } See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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723 views

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class - Python Tkinter PhotoImage

This is the format of code I currently have: import Tkinter as tk class mycustomwidow: def __init__(self, ... used in class mycustomwindow? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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686 views

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class - How to fake type with Python

I recently developed a class named DocumentWrapper around some ORM document object in Python to transparently add some ... call return True? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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720 views

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class - How to find instance of a bound method in Python?

>>> class A(object): ... def some(self): ... pass ... >>> a=A() >>> a.some <bound method A.some ... "a" after being handed over only "a.some". See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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748 views

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class - Passing an instance method as argument in PHP

I would like to create a Listener class class Listener { var $listeners = array(); public function add(callable ... What am I doing wrong? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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