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How to find the kth largest element in an unsorted array of length n in O(n)?

... kth largest element in an unsorted array of length n in O(n). Or perhaps it's "expected" O(n) or something. How can we do this? ...
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What does ':' (colon) do in JavaScript?

... So similar to C# object initializer syntax. Thanks! – Micah Jan 7 '09 at 0:56 ...
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What are some methods to debug Javascript inside of a UIWebView?

I'm trying to figure out why something with Javascript isn't working inside of a UIWebView. To my knowledge, there is no way to set a breakpoint inside of XCode for a js file. No problemo, I'll just go back to 2004 and use alert statemen-- oh wait they don't seem to work inside of a UIWebView either...
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How to get 0-padded binary representation of an integer in java?

for example, for 1, 2, 128, 256 the output can be (16 digits): 17 Answers 17 ...
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When is null or undefined used in JavaScript? [duplicate]

...l does not return a node object. The property is defined, but the object it refers to does not exist. This is one of the few times you may not want to test for equality- if(x!==undefined) will be true for a null value but if(x!= undefined) will be true (only) for values that are not either und...
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Why use static_cast(x) instead of (int)x?

...valid conversion in the language, or an appropriate constructor that makes it possible. The only time it's a bit risky is when you cast down to an inherited class; you must make sure that the object is actually the descendant that you claim it is, by means external to the language (like a flag in th...
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How do I create a file and write to it in Java?

What's the simplest way to create and write to a (text) file in Java? 33 Answers 33 ...
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Resizing an image in an HTML5 canvas

...e using javascript and a canvas element, but when I shrink the image down, it looks terrible. It looks as if it was downsized in photoshop with the resampling set to 'Nearest Neighbor' instead of Bicubic. I know its possible to get this to look right, because this site can do it just fine using ...
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What does MVW stand for?

... It stands indeed for whatever, as in whatever works for you MVC vs MVVM vs MVP. What a controversial topic that many developers can spend hours and hours debating and arguing about. For several years +AngularJS was...
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Share Large, Read-Only Numpy Array Between Multiprocessing Processes

... locks, since the array (actually a matrix) will be read-only. Now, due to its size, I'd like to avoid a copy. It sounds like the correct method is to create the only copy of the array as a sharedmem array, and then pass it to the Process objects? A couple of specific questions: ...