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Java HashMap performance optimization / alternative
...ound 20,000 codes for 26 million distinct objects. That is an average of 1,300 objects per hash bucket = very very bad. However if I turn the two arrays into a number in base 52 I am guaranteed to get a unique hash code for every object:
public int hashCode() {
// assume that both a and ...
Correct use of flush() in JPA/Hibernate
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How to drive C#, C++ or Java compiler to compute 1+2+3+…+1000 at compile time?
... a really strange question. The interviewer asked me how can I compute 1+2+3+...+1000 just using compiler features. This means that I am not allowed to write a program and execute it, but I should just write a program that could drive the compiler to compute this sum while compilation and print the ...
Is there a command for formatting HTML in the Atom editor?
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Atom does not have a built-in command for formatting html. However, you can install the atom-b...
How do I move an issue on github to another repo?
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See the GitHub docs on transferring issues.
Transferring an open issue to another repository
O...
Hiding elements in responsive layout?
...//getbootstrap.com/css/#responsive-utilities
Below is deprecated as of v3.2.0
Extra small devices
Phones (<768px) (Class names : .visible-xs, hidden-xs)
Small devices
Tablets (≥768px) (Class names : .visible-sm, hidden-sm)
Medium devices
Desktops (≥992px) (Class names : .visible-md, h...
Good Java graph algorithm library? [closed]
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edited May 3 '15 at 1:41
community wiki
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Why does LayoutInflater ignore the layout_width and layout_height layout parameters I've specified?
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Haskell: Lists, Arrays, Vectors, Sequences
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Lists Rock
By far the most friendly data structure for sequential data in Haskell is the List...
How to reload a clojure file in REPL
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answered Dec 2 '13 at 21:12
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