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How many and which are the uses of “const” in C++?
...have their own version.
Using code:
int main() {
string const a = "1234";
string const b = a;
// outputs the same address for COW strings
cout << (void*)&a[0] << ", " << (void*)&b[0];
}
The above snippet prints the same address on my GCC, because the us...
Difference between “include” and “require” in php
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edited May 23 '17 at 11:33
Community♦
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answered Sep 3 '10 at 7:53
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Where can I find the Java SDK in Linux after installing it?
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392
This depends a bit from your package system ... if the java command works, you can type readlink...
How to delete shared preferences data from App in Android
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24 Answers
24
Active
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Center a position:fixed element
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627
You basically need to set top and left to 50% to center the left-top corner of the div. You als...
hash function for string
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I've had nice results with djb2 by Dan Bernstein.
unsigned long
hash(unsigned char *str)
{
unsigned long hash = 5381;
int c;
while (c = *str++)
hash = ((hash << 5) + hash) + c; /* hash * 33 + c */
return hash;
}
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Node.js - Find home directory in platform agnostic way
Process.platform returns "win32" for Windows. On Windows a user's home directory might be C:\Users[USERNAME] or C:\Documents and Settings[USERNAME] depending on which version of Windows is being used. On Unix this isn't an issue.
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How to install Google Play Services in a Genymotion VM (with no drag and drop support)?
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As of Genymotion 2.10.0 and onwards, GApps can be installed from the emulator toolbar.
Please refer to answer by @MichaelStoddart.
Next follows former answer kept here for historic reason:
Genymotion doesn't provide Google Apps. To install ...