大约有 42,000 项符合查询结果（耗时：0.0628秒） [XML]
Package objects
...
Guillaume Massé
6,70866 gold badges3737 silver badges5454 bronze badges
answered Aug 3 '10 at 21:48
MoritzMoritz
...
Print multiple arguments in Python
..._future__ import print_function
Use the new f-string formatting in Python 3.6:
print(f'Total score for {name} is {score}')
share
|
improve this answer
|
follow
...
How does Python manage int and long?
...ns back. Before that it was possible to overflow an int through math ops.
3.x has further advanced this by eliminating long altogether and only having int.
Python 2: sys.maxint contains the maximum value a Python int can hold.
On a 64-bit Python 2.7, the size is 24 bytes. Check with sys.getsize...
What are the rules about using an underscore in a C++ identifier?
... (You are allowed to add template specializations, though.)
From the 2003 C++ Standard:
17.4.3.1.2 Global names [lib.global.names]
Certain sets of names and function signatures are always reserved to the implementation:
Each name that contains a double underscore (__) or begins w...
What is a C++ delegate?
... {
return (int) d + 1;
}
};
// Use:
Functor f;
int i = f(3.14);
Option 2: lambda expressions (C++11 only)
// Syntax is roughly: [capture](parameter list) -> return type {block}
// Some shortcuts exist
auto func = [](int i) -> double { return 2*i/1.15; };
double d = func(...
Extract value of attribute node via XPath
...
356
//Parent[@id='1']/Children/child/@name
Your original child[@name] means an element child wh...
C++ auto keyword. Why is it magic?
... templates on any compiler that even sort of attempted to implement C++98/03. As such, adding support for auto was apparently fairly easy for essentially all the compiler teams--it was added quite quickly, and there seem to have been few bugs related to it either.
When this answer was originally wr...
Why should I prefer to use member initialization lists?
...) { x = x_; }
int x;
};
class B
{
public:
B()
{
a.x = 3;
}
private:
A a;
};
In this case, the constructor for B will call the default constructor for A, and then initialize a.x to 3. A better way would be for B's constructor to directly call A's constructor in the ini...
UIView Hide/Show with animation
... |
edited May 18 at 7:32
amp.dev
13111 silver badge1313 bronze badges
answered Feb 2 '12 at 16:49
...
How to use relative/absolute paths in css URLs?
...
3 Answers
3
Active
...