大约有 23,000 项符合查询结果（耗时：0.0316秒） [XML]
How do I lowercase a string in C?
How can I convert a mixed case string to a lowercase string in C?
6 Answers
6
...
What is a “callback” in C and how are they implemented?
...dlib.h>
#include <unistd.h>
#include <fcntl.h>
#include <string.h>
#include "../../common_typedef.h"
typedef void (*call_back) (S32, S32);
void test_call_back(S32 a, S32 b)
{
printf("In call back function, a:%d \t b:%d \n", a, b);
}
void call_callback_func(call_back back)...
Turn a string into a valid filename?
I have a string that I want to use as a filename, so I want to remove all characters that wouldn't be allowed in filenames, using Python.
...
Use Expect in a Bash script to provide a password to an SSH command
... starting with a dash (-) will fail otherwise.
The above won't interpret a string starting with a dash as an option to the send command.
share
|
improve this answer
|
follow
...
String literals: Where do they go?
I am interested in where string literals get allocated/stored.
8 Answers
8
...
strdup() - what does it do in C?
...ed to the abbreviated way in which C and UNIX assigns words, it duplicates strings :-)
Keeping in mind it's actually not part of the ISO C standard itself(a) (it's a POSIX thing), it's effectively doing the same as the following code:
char *strdup(const char *src) {
char *dst = malloc(strlen (...
Are the days of passing const std::string & as a parameter over?
...Herb Sutter who suggested that the reasons to pass std::vector and std::string by const & are largely gone. He suggested that writing a function such as the following is now preferable:
...
What's the rationale for null terminated strings?
...and C++, I can't help but scratch my head at the choice of null terminated strings:
18 Answers
...
Can a class member function template be virtual?
...using MinGW G++ 3.4.5 on Window 7:
#include <iostream>
#include <string>
using namespace std;
template <typename T>
class A{
public:
virtual void func1(const T& p)
{
cout<<"A:"<<p<<endl;
}
};
template <typename T>
class B
: public...
How to set SQL Server connection string?
...hen I connect my application to SQL Server on my PC, I know the connection string (server name, password etc.), but when I connect it to another PC, the SQL Server connection string is different. Is there a common account in SQL Server that come with default account that can connect? I have heard ab...