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When should I use the HashSet type?
...alue is meaningless since I'm just going to use ContainsKey. Note: Before .NET 3.0 this was the only choice for O(1) lookups - HashSet<T> was added for 3.0 and extended to implement ISet<T> for 4.0.
List<string>: If I keep the list sorted, I can use BinarySearch, which is O(log n) ...
Generating random whole numbers in JavaScript in a specific range?
...
There are some examples on the Mozilla Developer Network page:
/**
* Returns a random number between min (inclusive) and max (exclusive)
*/
function getRandomArbitrary(min, max) {
return Math.random() * (max - min) + min;
}
/**
* Returns a random integer between mi...
How to search by key=>value in a multidimensional array in PHP
...onditions
});
echo "<pre>";
print_r($arr);
?>
Ref: http://php.net/manual/en/function.array-filter.php
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How to concatenate text from multiple rows into a single text string in SQL server?
... in stackoverflow.com/questions/5031204/… I wrote more here: marc.durdin.net/2015/07/…
– Marc Durdin
Jul 15 '15 at 0:23
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Create a shortcut on Desktop
...ant to create a shortcut pointing to some EXE file, on the desktop, using .NET Framework 3.5 and relying on an official Windows API. How can I do that?
...
ng-repeat finish event
...initializing tooltips on the rendered elements. jsFiddle: http://jsfiddle.net/tQw6w/
In $scope.layoutDone, try commenting out the $timeout line and uncommenting the "NOT CORRECT!" line to see the difference in the tooltips.
<ul>
<li ng-repeat="feed in feedList" repeat-done="layoutDon...
How do I create a custom Error in JavaScript?
...tImplementedError message
Error
at window.onload (http://fiddle.jshell.net/MwMEJ/show/:29:34)
ex1 instanceof NotImplementedError2 = true
ex1 instanceof Error = true
ex1.name = Error
ex1.message = NotImplementedError2 message
This confirmes the "problem" I ran into was the stack property of the...
How to avoid “too many parameters” problem in API design?
...
Well this is the usual embraced style even in the .NET Framework, indicating that your first example is quite right in what it's doing even it introduces minor mutability issues (though this example is from another library obviously). Nice question by the way.
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Image width/height as an attribute or in CSS? [duplicate]
...in zero. I have no idea why the difference exists. For example: jsfiddle.net/L1rk46xy See centered text. Remove the "style" tag on fixed div and watch it lose centering in spite of width/height attributes.
– Triynko
Aug 10 '15 at 20:36
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Executing periodic actions in Python [duplicate]
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Here's a nice implementation using the Thread class: http://g-off.net/software/a-python-repeatable-threadingtimer-class
the code below is a little more quick and dirty:
from threading import Timer
from time import sleep
def hello():
print "hello, world"
t = Timer(3,hello)
t.s...