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Inspecting standard container (std::map) contents with gdb
...
These look to be the business!
– Richard Corden
Jan 9 '09 at 14:42
They're actually the same macros ...
The new keyword “auto”; When should it be used to declare a variable type? [duplicate]
...e individual octets of the address (e.g., representing each as an unsigned char), so we end up with something like octets[0] & mask[0]. Thanks to C's type promotion rules, even if both operands are unsigned chars, the result is typically going to be int. We need the result to be an unsigned char...
maximum value of int
...< (sizeof(x) * 8 - 1)))
int a = SIGNED_MAX(a);
long b = SIGNED_MAX(b);
char c = SIGNED_MAX(c); /* if char is signed for this target */
short d = SIGNED_MAX(d);
long long e = SIGNED_MAX(e);
share
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Are there benefits of passing by pointer over passing by reference in C++?
...ng reference in C? I am using codeblock (mingw) latest version and in that selecting a C project. Still passing by reference (func (int& a)) works. Or is it available in C99 or C11 onwards?
– Jon Wheelock
Oct 12 '15 at 1:18
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Node.js: printing to console without a trailing newline?
... console.log was printing \n literally when I wanted it to print a newline character.
– Paul
Feb 3 '14 at 16:59
@Paulp...
Custom HTTP headers : naming conventions
...ed in section 2.2, 'Basic Rules'. Token is:
token = 1*<any CHAR except CTLs or separators>
In turn resting on CHAR, CTL and separators:
CHAR = <any US-ASCII character (octets 0 - 127)>
CTL = <any US-ASCII control character
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Azure table storage returns 400 Bad Request
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The specifed resource name contains invalid characters. my table name had dashes in it... just like my queue names...sigh. Hopefully searching picks this up for more people! see: stackoverflow.com/questions/45305556/…
– Nateous
...
Getting a list of files in a directory with a glob
...ing like that.
NSMutableArray* files = [NSMutableArray array];
glob_t gt;
char* pattern = "/bin/*";
if (glob(pattern, 0, NULL, &gt) == 0) {
int i;
for (i=0; i<gt.gl_matchc; i++) {
[files addObject: [NSString stringWithCString: gt.gl_pathv[i]]];
}
}
globfree(&gt);
retu...
How should I escape strings in JSON?
...read on.
Escape it according to the RFC. JSON is pretty liberal: The only characters you must escape are \, ", and control codes (anything less than U+0020).
This structure of escaping is specific to JSON. You'll need a JSON specific function. All of the escapes can be written as \uXXXX where XXXX...
do { … } while (0) — what is it good for? [duplicate]
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@WChargin: the "goto fail" code in the article you linked too would have failed with a "break" too. Somebody just duplicated a line there. It wasn't goto's fault.
– Niccolo M.
Jun 15 '14 a...