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How to get the source directory of a Bash script from within the script itself?
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AES Encryption for an NSString on the iPhone
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edited May 23 '17 at 12:25
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answered Sep 9 '09 at 16:05
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How do I convert between big-endian and little-endian values in C++?
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171
If you're using Visual C++ do the following: You include intrin.h and call the following functi...
Difference between natural join and inner join
...athan LefflerJonathan Leffler
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Safari 3rd party cookie iframe trick no longer working?
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edited May 23 '17 at 10:31
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answered Aug 22 '12 at 10:14
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AngularJS : How to watch service variables?
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278
You can always use the good old observer pattern if you want to avoid the tyranny and overhead ...
PHP: How to generate a random, unique, alphanumeric string for use in a secret link?
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PHP 7 standard library provides the random_bytes($length) function that generate cryptographically secure pseudo-random bytes.
Example:
$bytes = random_bytes(20);
var_dump(bin2hex($bytes));
The above example will output somethin...
Add native files from NuGet package to project output directory
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edited May 23 '17 at 12:18
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answered May 19 '15 at 4:46
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How to get the number of characters in a std::string?
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177
If you're using a std::string, call length():
std::string str = "hello";
std::cout << st...
Why is XOR the default way to combine hashes?
...random (1-bit) inputs, the AND function output probability distribution is 75% 0 and 25% 1. Conversely, OR is 25% 0 and 75% 1.
The XOR function is 50% 0 and 50% 1, therefore it is good for combining uniform probability distributions.
This can be seen by writing out truth tables:
a | b | a AND b
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