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Generating random numbers in Objective-C

...tream generator employed by the arc4 cipher, which uses 8*8 8 bit S-Boxes. The S-Boxes can be in about (2**1700) states. The arc4random() function returns pseudo- random numbers in the range of 0 to (2**32)-1, and therefore has twice the range of rand(3) and random(3). The arc...
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What is the difference between & vs @ and = in angularJS

I am very new to AngularJS. can anybody explain me the difference among these AngularJS operators: &, @ and = when isolating scope with proper example. ...
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Simulating tremor (from e.g. Parkinson's Disease) with the mouse on a webpage?

...hod. The only thing I changed from the original demo was after the lines x += movementX * 2; y += movementY * 2; I added two lines to represent random movement: x += Math.floor(Math.random()*3 - 1); y += Math.floor(Math.random()*3 - 1); There are still plenty of things you could improve, but ...
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Difference between app.all('*') and app.use('/')

...ifference between app.all('*', ... ) and app.use('/', ...) in Node.JS Express? 7 Answers ...
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.gitignore and “The following untracked working tree files would be overwritten by checkout”

...ing any effect on your working copy and it will just mark as removed the next time you commit. After the files are removed from the repo then the .gitignore will prevent them from being added again. But you have another problem with your .gitignore, you are excessively using wildcards and its causi...
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Is putting a div inside an anchor ever correct?

... structure of the document still makes sense when CSS is not present, for example when accessed via an assistive technology such as a screen reader - or indeed when examined by the mighty Googlebot. share | ...
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windows batch SET inside IF not working

... var2 is set, but the expansion in the line echo %var2% occurs before the block is executed. At this time var2 is empty. Therefore the delayedExpansion syntax exists, it uses ! instead of % and it is evaluated at execution time, not parse time. ...
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Center a column using Twitter Bootstrap 3

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How to delete items from a dictionary while iterating over it?

...eleting entries causes problems when the iterator tries to move onto the next entry. Instead, use the keys() method to get a list of the keys and work with that: >>> for k in mydict.keys(): ... if k == 'two': ... del mydict[k] ... >>> mydict {'four': 4, 'three': 3, 'one'...
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Static method in a generic class?

... Upvoted, this answer actually explains the poster's problem instead of just providing a workaround. – Jorn Jun 1 '09 at 23:20 7 ...