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What is the purpose of python's inner classes?
Python's inner/nested classes confuse me. Is there something that can't be accomplished without them? If so, what is that thing?
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How to use “/” (directory separator) in both Linux and Windows in Python?
...der, if I want to use the code in windows it will not work, is there a way by which I can use the code in Windows and Linux.
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What is the best method to merge two PHP objects?
We have two PHP5 objects and would like to merge the content of one into the second. There are no notion of subclasses between them so the solutions described in the following topic cannot apply.
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How to sort Counter by value? - python
...ns of reversed list comprehension, is there a pythonic way to sort Counter by value? If so, it is faster than this:
4 Answe...
C++静态和多态，亦敌亦友 - C/C++ - 清泛网 - 专注C/C++及内核技术
...遭遇静态函数
#include <iostream>
using namespace std;
class Base
{
public:
virtual void foo(void){ cout << "Base::foo()" << endl; }
};
class Derived : public Base
{
public:
void foo(void){ cout << "Derived::foo()" << endl; }
} ;
class DerivedAgain : public Derived
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Combine two data frames by rows (rbind) when they have different sets of columns
Is it possible to row bind two data frames that don't have the same set of columns? I am hoping to retain the columns that do not match after the bind.
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Get hours difference between two dates in Moment Js
I'm able to get the difference between two dates using MomentJs as follows:
12 Answers
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Java ArrayList - how can I tell if two lists are equal, order not mattering?
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You could sort both lists using Collections.sort() and then use the equals method. A slighly better solution is to first check if they are the same length before ordering, if they are not, then they are not equal, then sort, then use equals...
Jelly Bean DatePickerDialog — is there a way to cancel?
...erators: Today (July 15), I've noticed that someone already faced this problem here . But I'm not sure if it's appropriate to close this as a duplicate, since i think I provided a much better explanation of the issue. I'm not sure if I should edit the other question and paste this content there, b...
Print multiple arguments in Python
...ame, 's': score})
There's also new-style string formatting, which might be a little easier to read:
Use new-style string formatting:
print("Total score for {} is {}".format(name, score))
Use new-style string formatting with numbers (useful for reordering or printing the same one multiple time...