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获取文件系统映像及恢复删除的数据（FAT文件系统格式描述） - C/C++ - 清泛...
...str()<< L"/n";
}
int driveIndex;
std::cin >> driveIndex;//selecting a disk
std::vector<unsigned char> buffer;
//creating a path
std::wstring dumpPath(L"////.//PhysicalDrive");
wchar_t index[MAX_PATH];
_itow(devices.at(driveIndex).vHarddiskIndexes[0], index , MAX_P...
获取文件系统映像及恢复删除的数据（FAT文件系统格式描述） - C/C++ - 清泛...
...str()<< L"/n";
}
int driveIndex;
std::cin >> driveIndex;//selecting a disk
std::vector<unsigned char> buffer;
//creating a path
std::wstring dumpPath(L"////.//PhysicalDrive");
wchar_t index[MAX_PATH];
_itow(devices.at(driveIndex).vHarddiskIndexes[0], index , MAX_P...
Remove not alphanumeric characters from string
...
Removing non-alphanumeric chars
The following is the/a correct regex to strip non-alphanumeric chars from an input string:
input.replace(/\W/g, '')
Note that \W is the equivalent of [^0-9a-zA-Z_] - it includes the underscore character. To also rem...
Secure random token in Node.js
..."Base 64 Encoding with URL and Filename Safe Alphabet". IMO, replacing the characters is "elegant enough".
– natevw
Oct 7 '13 at 21:58
8
...
C++ convert hex string to signed integer
...iostream>
using namespace std;
int main() {
string s = "abcd";
char * p;
long n = strtol( s.c_str(), & p, 16 );
if ( * p != 0 ) { //my bad edit was here
cout << "not a number" << endl;
}
else {
cout << n << endl;
}
}
...
Will strlen be calculated multiple times if used in a loop condition?
...g the string, a for loop is probably not the best way to iterate over each character. I'd think a while loop is more direct and easier to manage the index counter.
– mlibby
Jul 6 '12 at 15:40
...
How to generate a core dump in Linux on a segmentation fault?
...oid);
static void cleanup(void);
void init_signals(void);
void panic(const char *, ...);
struct sigaction sigact;
char *progname;
int main(int argc, char **argv) {
char *s;
progname = *(argv);
atexit(cleanup);
init_signals();
printf("About to seg fault by assigning zero to *s\n...
How to match “any character” in regular expression?
...
Yes, you can. That should work.
. = any char
\. = the actual dot character
.? = .{0,1} = match any char zero or one times
.* = .{0,} = match any char zero or more times
.+ = .{1,} = match any char one or more times
...
Oracle PL/SQL - How to create a simple array variable?
... INDEX BY PLS_INTEGER;
employee_array employee_arraytype;
BEGIN
SELECT *
BULK COLLECT INTO employee_array
FROM employee
WHERE department = 10;
--
FOR i IN employee_array.FIRST .. employee_array.LAST
LOOP
-- Do something
END LOOP;
END;
The associative arra...
How is std::function implemented?
... // function pointer types for the type-erasure behaviors
// all these char* parameters are actually casted from some functor type
typedef R (*invoke_fn_t)(char*, Args&&...);
typedef void (*construct_fn_t)(char*, char*);
typedef void (*destroy_fn_t)(char*);
// type-aware...