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Best way to create unique token in Rails?

...t I'm using. The token doesn't necessarily have to be heard to guess, it's more like a short url identifier than anything else, and I want to keep it short. I've followed some examples I've found online and in the event of a collision, I think the code below will recreate the token, but I'm not re...
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When should I use cross apply over inner join?

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Prevent users from submitting a form by hitting Enter

... } }); }); In reading the comments on the original post, to make it more usable and allow people to press Enter if they have completed all the fields: function validationFunction() { $('input').each(function() { ... } if(good) { return true; } return false; } $(document)....
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setTimeout in for-loop does not print consecutive values [duplicate]

...tInterval(), which is called exactly like setTimeout() but which will fire more than once after repeated delays of the requested amount, or instead you can establish the timeouts and multiply the time value by your iteration counter. That is, to modify my example code: function doScaledTimeout(i) {...
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TransactionManagementError “You can't execute queries until the end of the 'atomic' block” while usi

...licate question allowed.') except IntegrityError: pass do_more_model_stuff() In Django 1.4, this works fine. However, in Django 1.5/1.6, each test is wrapped in a transaction, so if an exception occurs, it breaks the transaction until you explicitly roll it back. Therefore, any fu...
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Array vs. Object efficiency in JavaScript

...kup's in a large data set where you use a object as a map then a object is more efficient. jsperf.com/array-vs-object-performance/35 – f1v Feb 14 '14 at 17:07 ...
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How can I switch themes in Visual Studio 2012

...ited Feb 16 '18 at 14:25 LordWilmore 2,59022 gold badges2121 silver badges2626 bronze badges answered Mar 7 '12 at 5:17 ...
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Repeat Character N Times

... The loop method may be faster but its more verbose. Plus I'm puzzled by all the upvotes for the first comment, considering that when this is generally going to be useful when the Array length is variable, e.g. Array(rawValue.length + 1).join("*") ...
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What is the difference between “px”, “dip”, “dp” and “sp”?

...tion. Note: The compiler accepts both "dip" and "dp", though "dp" is more consistent with "sp". sp Scale-independent Pixels - this is like the dp unit, but it is also scaled by the user's font size preference. It is recommended you use this unit when specifying font sizes, so they ...
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How to see the values of a table variable at debug time in T-SQL?

... And here we are in 2016. No better. The Connect link also doesn't work anymore. – dotNET Apr 27 '16 at 3:50 5 ...