大约有 4,090 项符合查询结果（耗时：0.0276秒） [XML]
What is the difference between “long”, “long long”, “long int”, and “long long int” in C++?
I am transitioning from Java to C++ and have some questions about the long data type. In Java, to hold an integer greater than 2 32 , you would simply write long x; . However, in C++, it seems that long is both a data type and a modifier.
...
Difference between 'struct' and 'typedef struct' in C++?
In C++ , is there any difference between:
8 Answers
8
...
static const vs #define
...
properly scoped / identifier clash issues handled nicely, particularly in C++11 enum classes where the enumerations for enum class X are disambiguated by the scope X::
strongly typed, but to a big-enough signed-or-unsigned int size over which you have no control in C++03 (though you can specify a b...
LPCSTR, LPCTSTR and LPTSTR
...bit they are all pointers.
This is a great codeproject article describing C++ strings (see 2/3 the way down for a chart comparing the different types)
share
|
improve this answer
|
...
Benefits of using the conditional ?: (ternary) operator
...ession" doesn't really explain why that is so useful...
In languages like C++ and C#, you can define local readonly fields (within a method body) using them. This is not possible with a conventional if/then statement because the value of a readonly field has to be assigned within that single statem...
When to use dynamic vs. static libraries
When creating a class library in C++, you can choose between dynamic ( .dll , .so ) and static ( .lib , .a ) libraries. What is the difference between them and when is it appropriate to use which?
...
How do you make a HTTP request with C++?
Is there any way to easily make a HTTP request with C++? Specifically, I want to download the contents of a page (an API) and check the contents to see if it contains a 1 or a 0. Is it also possible to download the contents into a string?
...
How to view the assembly behind the code using Visual C++?
...e several approaches:
You can normally see assembly code while debugging C++ in visual studio (and eclipse too). For this in Visual Studio put a breakpoint on code in question and when debugger hits it rigth click and find "Go To Assembly" ( or press CTRL+ALT+D )
Second approach is to generate ass...
Why does dividing two int not yield the right value when assigned to double?
...
Since the question is tagged C++ I would prefer to see static_cast<> rather than a C cast.
– Martin York
Sep 27 '11 at 15:41
16
...
Why is address zero used for the null pointer?
In C (or C++ for that matter), pointers are special if they have the value zero: I am adviced to set pointers to zero after freeing their memory, because it means freeing the pointer again isn't dangerous; when I call malloc it returns a pointer with the value zero if it can't get me memory; I use ...