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What is “rvalue reference for *this”?
... within this heterogeneous set, a member function is considered to have an extra parameter, called the implicit object parameter, which represents the object for which the member function has been called. [...]
p3 Similarly, when appropriate, the context can construct an argument list that contains ...
What happens to an open file handle on Linux if the pointed file gets moved or deleted
...ntl.h>
#include <stdlib.h>
#include <unistd.h>
#include <strings.h>
#include <stdio.h>
void perror_and_exit() {
perror(NULL);
exit(1);
}
int main(int argc, char *argv[]) {
int fd;
if ((fd = open("data", O_RDONLY)) == -1) {
perror_and_exit();
}
char buf[5]...
What are allowed characters in cookies?
...lue?
According to the ancient Netscape cookie_spec the entire NAME=VALUE string is:
a sequence of characters excluding semi-colon, comma and white space.
So - should work, and it does seem to be OK in browsers I've got here; where are you having trouble with it?
By implication of the above:...
How does HTTP file upload work?
... here ...
------WebKitFormBoundaryePkpFF7tjBAqx29L--
NOTE: each boundary string must be prefixed with an extra --, just like in the end of the last boundary string. The example above already includes this, but it can be easy to miss. See comment by @Andreas below.
Instead of URL encoding the form...
UTF-8 byte[] to String
...ray. I know that I can use the following routine to convert the bytes to a string, but is there a more efficient/smarter way of doing this than just iterating through the bytes and converting each one?
...
How to calculate age (in years) based on Date of Birth and getDate()
... here. This is the only exactly correct code in this thread without (ugly) string transformations! @Jen It takes the month and day of the DoB (like September 25) and turns it into an integer value 0925 (or 925). It does the same with the current date (like December 16 becomes 1216) and then checks ...
Objective-C and Swift URL encoding
I have a NSString like this:
12 Answers
12
...
How do I analyze a program's core dump file with GDB when it has command-line parameters?
...ddef.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
int myfunc(int i) {
*(int*)(NULL) = i; /* line 7 */
return i - 1;
}
int main(int argc, char **argv) {
/* Setup some memory. */
char data_ptr[] = "string in data segment";
char *mmap_ptr;
...
Why is “while ( !feof (file) )” always wrong?
... stream is still in the good() state.
C++, iostreams getline:
for (std::string line; std::getline(std::cin, line); ) {
consume(line);
}
The result we must use is again std::cin, just as before.
POSIX, write(2) to flush a buffer:
char const * p = buf;
ssize_t n = bufsize;
for (ss...
Why use double indirection? or Why use pointers to pointers?
...oring lol
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
int wordsinsentence(char **x) {
int w = 0;
while (*x) {
w += 1;
x++;
}
return w;
}
int wordsinmono(char ***x) {
int w = 0;
while (*x) {
w += wordsinsentence(*x);
...