大约有 4,090 项符合查询结果（耗时：0.0378秒） [XML]
Is there a performance difference between i++ and ++i in C?
...
The question explicitly states C, no reference to C++.
– Dan Cristoloveanu
Oct 10 '08 at 23:00
5
...
Why do we need a pure virtual destructor in C++?
...al destructor. But why do we need a pure virtual destructor? In one of the C++ articles, the author has mentioned that we use pure virtual destructor when we want to make a class abstract.
...
Should I use #define, enum or const?
In a C++ project I'm working on, I have a flag kind of value which can have four values. Those four flags can be combined. Flags describe the records in database and can be:
...
Guaranteed lifetime of temporary in C++?
Does C++ provide a guarantee for the lifetime of a temporary variable that is created within a function call but not used as a parameter? Here's an example class:
...
Is #pragma once a safe include guard?
...
Should make it into C++20.
– Ionoclast Brigham
Sep 2 '17 at 4:22
1
...
Can I call a base class's virtual function if I'm overriding it?
...
The C++ syntax is like this:
class Bar : public Foo {
// ...
void printStuff() {
Foo::printStuff(); // calls base class' function
}
};
share...
Immutable vs Mutable types
...
The key difference between Python's semantics and C++ pass-by-reference semantics is that assignment is not mutation in Python, and it is in C++. (But of course that's complicated by the fact that augmented assignment, like a += b sometimes is mutation. And the fact that ass...
Operator overloading in Java
...for floating point, which can be a bit of a surprise for those with a C or C++ background.
share
|
improve this answer
|
follow
|
...
Joins are for lazy people?
...
Yes, You should.
And you should use C++ instead of C# because of performance. C# is for lazy people.
No, no, no. You should use C instead of C++ because of performance. C++ is for lazy people.
No, no, no. You should use assembly instead of C because of perfor...
Unexpected results when working with very big integers on interpreted languages
...
MSVC++ is a C++ compiler, and C++ got long long in the C++11 standard. It's been a MSVC++ and g++ extension for a few years, though.
– MSalters
Aug 5 '13 at 10:11
...