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Java HashMap performance optimization / alternative

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How to close Android application?

...he app. Whether the * app is killed safely or quickly the app will be completely created as a * new app in a new virtual machine running in a new process if the user * starts the app again. * * <P> * <B>NOTE:</B> The app will not be killed until all o...
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Java: notify() vs. notifyAll() all over again

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Why are mutable structs “evil”?

...-apparent the fact that one is only writing one's copy) seems pretty small compared to the danger that someone who holds a class object as a means of holding the information contained therein will mutate the object to update its own information and in the process corrupt the information held by some...
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Why / when would it be appropriate to override ToString?

...n another way? Yes. But by using ToString you are using a method that is common to all objects and thus other classes know about this method. For instance, whenever the .NET framework wants to convert an object to a string representation, ToString is a prime candidate (there are others, if you wan...
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Why is it necessary to set the prototype constructor?

...ent function. I am not sure what your intention was with the //just as bad comment. – CEGRD Dec 7 '12 at 23:16 ...
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Does it make sense to use Require.js with Angular.js? [closed]

...r.js along with require.js wherein you can use require.js for modularizing components. There is a seed project which uses both angular.js and require.js. share | improve this answer | ...
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Algorithm for classifying words for hangman difficulty levels as “Easy”,“Medium”, or “Hard”

...an strategy There's an idea that's implicit in some the other answers and comments, that the optimal strategy for the solver would be to base their decisions on the frequency of letters in English, or on the frequency of words in some corpus. This is a seductive idea, but it's not quite right. The ...
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How can I view the source code for a function?

...iagonalMatrix" defined "diagonalMatrix" There are also methods with more complex signatures for each method, for example require(raster) showMethods(extract) Function: extract (package raster) x="Raster", y="data.frame" x="Raster", y="Extent" x="Raster", y="matrix" x="Raster", y="SpatialLines" x=...
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What are the use cases for selecting CHAR over VARCHAR in SQL?

I realize that CHAR is recommended if all my values are fixed-width. But, so what? Why not just pick VARCHAR for all text fields just to be safe. ...