大约有 43,000 项符合查询结果（耗时：0.0178秒） [XML]
Can I call a constructor from another constructor (do constructor chaining) in C++?
...).
The syntax is slightly different from C#:
class Foo {
public:
Foo(char x, int y) {}
Foo(int y) : Foo('a', y) {}
};
C++03: No
Unfortunately, there's no way to do this in C++03, but there are two ways of simulating this:
You can combine two (or more) constructors via default parameters...
How do I extract text that lies between parentheses (round brackets)?
...
Honestly, this should've been selected as the answer.
– Pat Lindley
Jan 11 '13 at 18:58
1
...
How to convert byte array to string [duplicate]
...
You can do it without dealing with encoding by using BlockCopy:
char[] chars = new char[bytes.Length / sizeof(char)];
System.Buffer.BlockCopy(bytes, 0, chars, 0, bytes.Length);
string str = new string(chars);
sha...
Given an emacs command name, how would you find key-bindings ? (and vice versa)
...d bound to a keyboard shortcut (or a key sequence in Emacs terms), see the selected answer.
For programmatically getting the command bound to a given key sequence, use the function key-binding or lookup-key that takes a key sequence and returns its bound command. The function key-binding is what C-...
Failed to enable constraints. One or more rows contain values violating non-null, unique, or foreign
...te definition in the XML and change it manually.
Remove primary keys from select lists in table adapters if they are not related to the data being returned.
Run your query in SQL Management Studio and ensure there are not duplicate records being returned. Duplicate records can generate duplicate p...
C Macro definition to determine big endian or little endian machine?
...define ORDER32_H
#include <limits.h>
#include <stdint.h>
#if CHAR_BIT != 8
#error "unsupported char size"
#endif
enum
{
O32_LITTLE_ENDIAN = 0x03020100ul,
O32_BIG_ENDIAN = 0x00010203ul,
O32_PDP_ENDIAN = 0x01000302ul, /* DEC PDP-11 (aka ENDIAN_LITTLE_WORD) */
O32_HO...
How can I use a DLL file from Python?
...
Next;
Application type -> DLL;
Additional options -> Empty project (select);
Additional options -> Precompiled header (unselect);
Project -> Properties -> Configuration Manager -> Active solution platform: x64;
Project -> Properties -> Configuration Manager -> Active solu...
Variable number of arguments in C++?
...example (see it live):
void func(T, Args...) [T = int, Args = <double, char, std::basic_string<char>>]: 1
void func(T, Args...) [T = double, Args = <char, std::basic_string<char>>]: 2.5
void func(T, Args...) [T = char, Args = <std::basic_string<char>>]: a
void fu...
Why does string::compare return an int?
...tring::compare return an int instead of a smaller type like short or char ? My understanding is that this method only returns -1, 0 or 1.
...
How do I get the last character of a string?
How do I get the last character of a string?
11 Answers
11
...