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Is cout synchronized/thread-safe?
...cent version of MSVC (currently for VS 2010/MSVC 10/cl.exe 16.x). You can select the information for older versions of MSVC using a dropdown control on the page (and the information is different for older versions).
share
...
Why is a round-trip conversion via a string not safe for a double?
...alue)->sign;
number->digits[0] = 0;
}
else {
char* src = _ecvt(value, precision, &number->scale, &number->sign);
wchar* dst = number->digits;
if (*src != '0') {
while (*src) *dst++ = *src++;
}
*dst = 0;
}
...
Difference between class and type
...y, how you can interact with it.
Examples of primitive types:
int
float
char
boolean
Examples of class types:
String
Integer
Boolean
ArrayList
StringBuilder
Examples of interface types:
Collection
List
Map
Serializable
Examples of array types:
int[]
String[]
Integer[][][]
Basically,...
Import PEM into Java Key Store
...s in the original example I found on internet:
ks.load( null, keypass.toCharArray());
ks.store( new FileOutputStream ( "mykeystore" ), keypass.toCharArray());
ks.load( new FileInputStream ( "mykeystore" ), keypass.toCharArray());
// end of section..
// read the key file from disk and create...
How does Duff's device work?
...nion that is the key to understanding this code.
– Richard Chambers
Apr 20 '13 at 23:03
3
Am I mi...
How do I provide custom cast support for my class?
... answered Sep 10 '09 at 21:12
Charles BretanaCharles Bretana
127k2222 gold badges136136 silver badges206206 bronze badges
...
How to track down a “double free or corruption” error
...debug it.
#include<stdio.h>
#include<stdlib.h>
int main()
{
char *x = malloc(100);
free(x);
free(x);
return 0;
}
[sand@PS-CNTOS-64-S11 testbox]$ vim t1.c
[sand@PS-CNTOS-64-S11 testbox]$ cc -g t1.c -o t1
[sand@PS-CNTOS-64-S11 testbox]$ ./t1
*** glibc detected *** ./t1: double free ...
What does “zend_mm_heap corrupted” mean
...#include <stdlib.h>
int main(void) {
void **mem = malloc(sizeof(char)*3);
void *ptr;
/* read past end */
ptr = (char*) mem[5];
/* write past end */
memcpy(mem[5], "whatever", sizeof("whatever"));
/* free invalid pointer */
free((void*) mem[3]);
retur...
Are the shift operators () arithmetic or logical in C?
... of i, after integer promotion, be T. Assuming n to be in [0, sizeof(i) * CHAR_BIT) — undefined otherwise — we've these cases:
| Direction | Type | Value (i) | Result |
| ---------- | -------- | --------- | ------------------------ |
| Right (>>) | unsigned | ≥...
Which, if any, C++ compilers do tail-recursion optimization?
...t for program correctness.
#include <stdio.h>
static int atoi(const char *str, int n)
{
if (str == 0 || *str == 0)
return n;
return atoi(str+1, n*10 + *str-'0');
}
int main(int argc, char **argv)
{
for (int i = 1; i != argc; ++i)
printf("%s -> %d\n", argv[i], at...