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Best way of returning a random boolean value
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A declarative snippet using Array#sample:
random_boolean = [true, false].sample
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How to call C from Swift?
...ingMemoryBound(to: UInt8.self), count: numberBytesRead)
let results = Array<UInt8>(unsafeBufferPointer)
free(unsafeMutableRawPointer)
return results
}
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How can I get selector from jQuery object
... BODY > DIV#main'
// If there are multiple matches then an array will be returned
$('body > div').getSelector(); // => ['HTML > BODY > DIV#main', 'HTML > BODY > DIV#sidebar']
// Passing true to the method will cause it to return the sel...
Is there any reason for using WebGL instead of 2D Canvas for 2D games/apps?
...API, the Canvas 2D API itself doesn't offer programmable shaders or vertex array buffers. It's a "chatty" API (one JavaScript-to-Native call per element drawn), whereas WebGL's API allows bulk data loading and GPU-based custom processing.
– emackey
Oct 30 '17 ...
How does one generate a random number in Apple's Swift language?
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let randomElementInArray = Int(arc4random_uniform(array.count))
– cmario
May 24 '16 at 9:17
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How do I pass parameters to a jar file at the time of execution?
... String one = args[0];
String two = args[1];
}
catch (ArrayIndexOutOfBoundsException e){
System.out.println("ArrayIndexOutOfBoundsException caught");
}
finally {
}
}
And then launch the application:
java -jar myapp.jar arg1 arg2
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Localization of DisplayNameAttribute
..."An attribute argument must be a constant expression, typeof expression or array creation expression of an attribute parameter type". However, passing the value to LocalizedDisplayName as a string works. Wish it would be strongly typed.
– Azure SME
Feb 25 '10 ...
ng-model for `` (with directive DEMO)
...Filereader', []).directive('appFilereader', function($q) {
var slice = Array.prototype.slice;
return {
restrict: 'A',
require: '?ngModel',
link: function(scope, element, attrs, ngModel) {
if (!ngModel) return;
ngModel.$render = functi...
Number of lines in a file in Java
...ing the buffering for you, so I don't see how using an intermediate byte[] array will make it any faster. You're unlikely to do much better than using readLine() repeatedly anyway (since that will be optimized towards by the API).
– wds
Jan 17 '09 at 13:23
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How to use multiple arguments for awk with a shebang (i.e. #!)?
... up by forgetting to pass the invoked program name as part of the argument array to execve and similar functions, and if people habitually forget to protect against it, it can also end up being the last step in a maliciously exploitable vulnerability that lets an attacker get an interactive shell.
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