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In Java, what does NaN mean?
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"NaN" stands for "not a number". "Nan"
is produced if a floating poi...
Refresh a page using JavaScript or HTML [duplicate]
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answered Mar 14 '11 at 4:49
ReidReid
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“date(): It is not safe to rely on the system's timezone settings…”
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Most efficient way to concatenate strings?
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Yousha Aleayoub
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answered Aug 21 '08 at 20:30
TheEmirOfGroofunkistanTheEmirOfGroo...
Programmatically find the number of cores on a machine
... = sysinfo.dwNumberOfProcessors;
Linux, Solaris, AIX and Mac OS X >=10.4 (i.e. Tiger onwards)
int numCPU = sysconf(_SC_NPROCESSORS_ONLN);
FreeBSD, MacOS X, NetBSD, OpenBSD, etc.
int mib[4];
int numCPU;
std::size_t len = sizeof(numCPU);
/* set the mib for hw.ncpu */
mib[0] = CTL_HW;
mib[1] =...
What's a simple way to get a text input popup dialog box on an iPhone
...ertView like this (screenshot taken from the iPhone 5.0 simulator in XCode 4.2):
When pressing any buttons, the regular delegate methods will be called and you can extract the textInput there like so:
- (void)alertView:(UIAlertView *)alertView clickedButtonAtIndex:(NSInteger)buttonIndex{
NS...
What does “=>” mean in PHP?
...i}: {$type}\n";
}
// prints:
// 0: car
// 1: truck
// 2: van
// 3: bike
// 4: rickshaw
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NSPredicate: filtering objects by day of NSDate property
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diciudiciu
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Age from birthdate in python
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edited Dec 4 '16 at 23:46
answered Mar 17 '12 at 22:46
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Rename a dictionary key
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answered May 10 '13 at 4:58
wimwim
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