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Python: split a list based on a condition?
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Android Facebook integration with invalid key hash
... md.update(signature.toByteArray());
Log.d("KeyHash:", Base64.encodeToString(md.digest(), Base64.DEFAULT));
}
}
catch (NameNotFoundException e) {
}
catch (NoSuchAlgorithmException e) {
}
Modify "com.example.packagename" with your package name in the above coding without fail (yo...
Conveniently Declaring Compile-Time Strings in C++
... static_assert(my_string.size() == 13, "");
static_assert(my_string[4] == 'o', "");
constexpr str_const my_other_string = my_string;
static_assert(my_string == my_other_string, "");
constexpr str_const world(my_string, 7, 5);
static_assert(world == "world", "");
// constexpr ...
In Java, what does NaN mean?
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154
Taken from this page:
"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
15.9k55 gold badges3434 silver badges3333 bronze badges
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“date(): It is not safe to rely on the system's timezone settings…”
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Simplest way to detect a mobile device in PHP
...ont|opera m(ob|in)i|palm( os)?|phone|p(ixi|re)\/|plucker|pocket|psp|series(4|6)0|symbian|treo|up\.(browser|link)|vodafone|wap|windows (ce|phone)|xda|xiino/i',$useragent)||preg_match('/1207|6310|6590|3gso|4thp|50[1-6]i|770s|802s|a wa|abac|ac(er|oo|s\-)|ai(ko|rn)|al(av|ca|co)|amoi|an(ex|ny|yw)|aptu|ar...
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...
