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Getting a random value from a JavaScript array

...ple = function(){ return this[Math.floor(Math.random()*this.length)]; } Now: [1,2,3,4].sample() //=> a random element Code released into the public domain under the terms of the CC0 1.0 license. share | ...
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Why does the 260 character path length limit exist in Windows?

...used here for visual clarity and cannot be part of a valid path string.) Now we see that it is 1+2+256+1 or [drive][:\][path][null] = 260. One could assume that 256 is a reasonable fixed string length from the DOS days. And going back to the DOS APIs we realize that the system tracked the current ...
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jQuery: Best practice to populate drop down?

... Ancient history here I know, but for googlers like me who just stumbled on this now, wouldn't be even faster if you cloned an <option/> element instead of creating each one? – tedders Jan 10 '13 at 23:44 ...
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What does it mean to “program to an interface”?

... CallDuringDinner(); ContinueTalkingWhenYouSayNo(); } } We now have two classes that can each be annoying in their own way. And they do not need to derive from the same base class and share common inherent characteristics -- they simply need to satisfy the contract of IPest -- that ...
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Devise - How do I forbid certain users from signing in?

...d self.is_active? end end UPDATE As Matt Huggins notes, the method is now called active_for_authentication? (Documentation) share | improve this answer | follow ...
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LINQ-to-SQL vs stored procedures? [closed]

...e gets cluttered quick. (3) You've written a powerful select statement but now you want the user to be able to pick the column that gets sorted - in TSQL you might have to use a CTE that does a row_number over each column that could be sorted; in LINQ it can be solved with a few if statements in an ...
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How to exit an if clause

...hemient: Ah, didn't notice the link. Figured it was code highlighting. But now that I look at your code, I don't see any real highlighting going on.. – Roman Jan 15 '10 at 5:55 1 ...
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Automatically capture output of last command into a variable using Bash?

... I don't know of any variable that does this automatically. To do something aside from just copy-pasting the result, you can re-run whatever you just did, eg vim $(!!) Where !! is history expansion meaning 'the previous command'. I...
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iOS 7's blurred overlay effect using CSS?

... I edited my jsfiddle, now it does the trick like IOS7 ;) => CSS3 IOS7 effect – Cana Jun 12 '13 at 8:55 ...
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SplitView like Facebook app on iPhone

... I realize you asked about facebook, but now that ios7 is out, and this is the defacto thread i thought id post here. For an effect similar to the kindle app on ios7 you can use: https://github.com/romaonthego/REFrostedViewController ...