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How to profile methods in Scala?

...noTime() println("Elapsed time: " + (t1 - t0) + "ns") result } // Now wrap your method calls, for example change this... val result = 1 to 1000 sum // ... into this val result = time { 1 to 1000 sum } share ...
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How to define custom configuration variables in rails

... Update 1 Very recommended: I'm going with Rails Config gem nowadays for the fine grained control it provides. Update2 If you want a quick solution, then check Jack Pratt's answer below. Although my original answer below still works, this answer is now outdated. I recommend looking...
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What's the correct way to communicate between controllers in AngularJS?

... in this answer have been resolved in angular.js version 1.2.7. $broadcast now avoids bubbling over unregistered scopes and runs just as fast as $emit. So, now you can: use $broadcast from the $rootScope listen using $on from the local $scope that needs to know about the event Original Answe...
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What does threadsafe mean?

... int tmp = myInt; tmp = tmp + 1; myInt = tmp; return tmp; } Now thread A and thread B both would like to execute AddOne(). but A starts first and reads the value of myInt (0) into tmp. Now for some reason the scheduler decides to halt thread A and defer execution to thread B. Thread ...
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Testing modules in rspec

...ules in rspec? I have some modules that get included in few models and for now I simply have duplicate tests for each model (with few differences). Is there a way to DRY it up? ...
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How do I get the current time only in JavaScript

... // => 30 d.getSeconds(); // => 51 or var d = new Date(); // for now d.getHours(); // => 9 d.getMinutes(); // => 30 d.getSeconds(); // => 51 share | improve this answer ...
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What is causing this ActiveRecord::ReadOnlyRecord error?

... answered. I actually discovered I could remove a join from that query, so now the working query is 6 Answers ...
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Styling multi-line conditions in 'if' statements? [closed]

...anks, it's probably a good idea to update your examples too since they are now not recommended. I was trying to figure this out myself and was confused by the discrepancy between your answer and the style guide (hence my comment). I wasn't just trying to be pedantic. – joshca...
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SSH Private Key Permissions using Git GUI or ssh-keygen are too open

...y product of it's target audience). Using the git.exe in Winodws shell is known to have issues, I would advise sticking with msysgit. At least until GitSharp is fully working. – Koby Aug 24 '10 at 21:22 ...
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How do you rotate a two dimensional array?

...eed this information in our function to rotate a matrix, so let’s add it now: def rotate(matrix): size = len(matrix) # Rotatable layers only. layer_count = size / 2 Now we know what layers are and how to determine the number of layers that actually need rotating, how do we isolate a...