Recent questions tagged Class

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class - Python: How do I make a subclass from a superclass?

In Python, how do you make a subclass from a superclass? 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 - Is there a way to circumvent Python list.append() becoming progressively slower in a loop as the list grows?

I have a big file I'm reading from, and convert every few lines to an instance of an Object. Since I'm ... of where all the time is spent. 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 are getters and setters for in ECMAScript 6 classes?

I am confused as to what the point of getters and setters are in ECMAScript 6 classes. What is the purpose? Below is ... ._name = newName; } } } 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 - Template in Fortran?

I have a module that defines three types and and some operations on them. In a separate module, I want to ... class templates in C++. 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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class - C# using others code

Iv'e downloaded a C# interval tree collection class class from here http://intervaltree.codeplex.com/SourceControl/list ... this class to work. 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 variable vs instance variable --Python

I tried this below example and need some clarification..In both the cases, I'm able to access the class variable and ... ': x = testclass(2,3) 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 super method and calling alternatives

I see everywhere examples that super-class methods should be called by: super(SuperClass, instance).method(args) ... .method(instance, args) 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 create two classes in C++ which use each other as data?

I'm looking to create two classes, each of which contains an object of the other class type. How can I do this? ... foo' does not name a type 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 - Pros and cons of package private classes in Java?

I am learning Java recently, and I came across the notion of package-private classes, which is the ... default package-private modifier? 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 do I check if an object's type is a particular subclass in C++?

I was thinking along the lines of using typeid() but I don't know how to ask if that type is a subclass of ... (which, by the way, is abstract) 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 - ruby inheritance vs mixins

In Ruby, since you can include multiple mixins but only extend one class, it seems like mixins would be preferred ... shouldn't it have been a module instead? Question&Answers:os...

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

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class - Using two CSS classes on one element

This question already has answers here: Question&Answers:os...

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

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986 views

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class - Possibilities for Python classes organized across files?

Closed. This question is opinion-based. It is not currently accepting answers. Question&Answers:os...

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

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976 views

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class - Is passing a C++ object into its own constructor legal?

I am surprised to accidentally discover that the following works: #include <iostream> int main(int argc, char ... tinkering around to learn more about classes. Question&Answers:os...

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

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class - Why do attribute references act like this with Python inheritance?

This question already has answers here: Question&Answers:os...

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

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class - Private members in Python

How can I make methods and data members private in Python? Or doesn't Python support private members? Question&Answers:os...

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

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class - When should we create our own Java exception classes?

Closed. This question is opinion-based. It is not currently accepting answers. Question&Answers:os...

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

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963 views

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class - Types and classes of variables

Two R questions: What is the difference between the type (returned by typeof) and the class (returned by ... What are possible types and classes of variables? Question&Answers:os...

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

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class - 'POCO' definition

Can someone define what exactly 'POCO' means? I am encountering the term more and more often, and I'm ... about plain classes or it means something more? Question&Answers:os...

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

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class - Python: Bind an Unbound Method?

In Python, is there a way to bind an unbound method without calling it? I am writing a wxPython program, ... and continue passing it around without calling it? Question&Answers:os...

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

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class - Splitting templated C++ classes into .hpp/.cpp files--is it possible?

I am getting errors trying to compile a C++ template class which is split between a .hpp and .cpp file: $ g++ ... stack.cpp to stack.hpp and be done with it. Question&Answers:os...

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

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class - What is the difference between private and protected members of C++ classes?

What is the difference between private and protected members in C++ classes? I understand from best practice ... the difference and which should I use? Question&Answers:os...

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

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921 views

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class - Python function overloading

I know that Python does not support method overloading, but I've run into a problem that I can't seem ... , but default arguments help allot like acceleration=0 Question&Answers:os...

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

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976 views

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class - Pass arguments to Constructor in VBA

How can you construct objects passing arguments directly to your own classes? Something like this: Dim this_employee ... dirty solutions to work this around. Question&Answers:os...

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

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class - When is it appropriate to use C# partial classes?

I was wondering if someone could give me an overview of why I would use them and what advantage I would gain in the process. Question&Answers:os...

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

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class - What are public, private and protected in object oriented programming?

What are public, private and protected in object oriented programming? Question&Answers:os...

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

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class - The connection between 'System.out.println()' and 'toString()' in Java

What is the connection between System.out.println() and toString() in Java? e.g: public class A { String x ... it? Is it fully connected with toString() method? Question&Answers:os...

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

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936 views

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class - Why/when should you use nested classes in .net? Or shouldn't you?

In Kathleen Dollard's 2008 blog post, she presents an interesting reason to use nested classes in .net. However, she ... but I haven't been able to find it. Question&Answers:os...

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

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