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Combine multiple Collections into a single logical Collection?

... Here is my solution for that: EDIT - changed code a little bit public static <E> Iterable<E> concat(final Iterable<? extends E> list1, Iterable<? extends E> list2) { return new Iterable<E>() { public Iterator<E> iterator() ...
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Android Layout with ListView and Buttons

...First, I've switched to using a LinearLayout. This will help with the next bit, which was adding android:layout_weight to my ListView I hope this helps. share | improve this answer | ...
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Easiest way to flip a boolean value?

... Why use a bitwise operator for a logical operation? Smells of needless obfuscation to me. – Mark Pim Mar 4 '09 at 17:18 ...
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What is the fastest way to compare two sets in Java?

...back to the O(N) comparison of all elements. You could take this idea a bit further ... at least in theory. WARNING - This is highly speculative. A "thought experiment" if you like. Suppose that your set element class has a method to return a crypto checksums for the element. Now implement th...
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What is an existential type?

... These are all good examples, but I choose to answer it a little bit differently. Recall from math, that ∀x. P(x) means "for all x's, I can prove that P(x)". In other words, it is a kind of function, you give me an x and I have a method to prove it for you. In type theory, we are not ta...
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What is the best Java email address validation method? [closed]

... I agree with the extra bits you cited, but are those part of the Commons Validation project? – duffymo Mar 9 '09 at 0:33 2 ...
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Set element focus in angular way

... this solution. Can you explain, however, the reason for using $timeout a bit more? Is the reason you used it due to an "Angular Thing" or "DOM Thing"? – user1821052 Nov 26 '14 at 19:48 ...
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Difference between static and shared libraries?

... are completely an implementation feature."? Can you please explain little bit in detail or point me to appropriate reference? – Sunil Shahu Oct 1 '19 at 14:57 ...
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How to detect if URL has changed after hash in JavaScript

... EDIT after a bit of researching: It somehow seems that I have been fooled by the documentation present on Mozilla docs. The popstate event (and its callback function onpopstate) are not triggered whenever the pushState() or replaceState(...
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Programmatically Hide/Show Android Soft Keyboard [duplicate]

...rk). – EpicPandaForce Mar 24 '15 at 10:29 add a comment  |  ...