大约有 4,600 项符合查询结果（耗时：0.0426秒） [XML]
Why use pointers? [closed]
...now this is a really basic question, but I've just started with some basic C++ programming after coding a few projects with high-level languages.
...
What is the difference between \r and \n?
...e, \n always means Unicode U+000A, which is defined as line feed. In C and C++ the water is somewhat muddier, as the meaning is platform-specific. See comments for details.
share
|
improve this answ...
Pure virtual destructor in C++
...
Not the answer you're looking for? Browse other questions tagged c++ polymorphism destructor pure-virtual or ask your own question.
Why are const parameters not allowed in C#?
It looks strange especially for C++ developers. In C++ we used to mark a parameter as const in order to be sure that its state will not be changed in the method. There are also other C++ specific reasons, like passing const ref in order to pass by ref and be sure that state will not be changed. ...
How to cast/convert pointer to reference in C++
...
Not the answer you're looking for? Browse other questions tagged c++ pointers casting reference type-conversion or ask your own question.
Is there any overhead to declaring a variable within a loop? (C++)
...t could indeed be cheaper. Also, as we expand this discussion from ints to C++ types, one could generalize 'var=4' as some other operation than 'assign variable from a value of the same type'.
– greggo
Mar 5 '14 at 20:15
...
C++ convert hex string to signed integer
I want to convert a hex string to a 32 bit signed integer in C++.
9 Answers
9
...
What do single quotes do in C++ when used on multiple characters?
...ses as
0x74 -> 't'
0x65 -> 'e'
0x73 -> 's'
0x74 -> 't'
Edit:
C++ standard, §2.14.3/1 - Character literals
(...) An ordinary character literal that contains more than
one c-char is a multicharacter literal . A multicharacter literal has type int and implementation-defined
value.
...
How to get the number of characters in a std::string?
How should I get the number of characters in a string in C++?
12 Answers
12
...
Why is 'this' a pointer and not a reference?
I was reading the answers to this question C++ pros and cons and got this doubt while reading the comments.
2 Answers
...