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Is a Java hashmap search really O(1)?
I've see<em>nem> some i<em>nem>teresti<em>nem>g claims o<em>nem> SO re Java hashmaps <em>a<em>nem>dem> their O(1) lookup time. Ca<em>nem> someo<em>nem>e explai<em>nem> why this is so? U<em>nem>less these hashmaps are vastly differe<em>nem>t from a<em>nem>y of the hashi<em>nem>g algorithms I was bought up o<em>nem>, there must always exist a dataset that co<em>nem>tai<em>nem>s collisio<em>nem>s.
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How do I get i<em>nem>dices of <em>Nem> maximum values i<em>nem> a <em>Nem>umPy array?
...te<em>nem> equivale<em>nem>tly as arr.argsort()[-1:-4:-1]? I've tried it i<em>nem> i<em>nem>terpreter <em>a<em>nem>dem> it comes up with the same result, but I'm wo<em>nem>deri<em>nem>g if it's <em>nem>ot broke<em>nem> by some example.
– abroekhof
Sep 20 '12 at 9:05
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What is a “thread” (really)?
I have bee<em>nem> tryi<em>nem>g to fi<em>nem>d a good defi<em>nem>itio<em>nem>, <em>a<em>nem>dem> get a<em>nem> u<em>nem>derst<em>a<em>nem>dem>i<em>nem>g, of what a thread really is.
10 A<em>nem>swers
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Heap vs Bi<em>nem>ary Search Tree (BST)
What is the differe<em>nem>ce betwee<em>nem> a heap <em>a<em>nem>dem> BST?
8 A<em>nem>swers
8
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Determi<em>nem>i<em>nem>g type of a<em>nem> object i<em>nem> ruby
...he object, it retur<em>nem>s its class. The <em>nem>ame should be a dead giveaway. Class <em>a<em>nem>dem> Type are two completely differe<em>nem>t co<em>nem>cepts i<em>nem> OO.
– Jörg W Mittag
Apr 2 '13 at 22:57
80
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How to hide comm<em>a<em>nem>dem> output i<em>nem> Bash
...ga<em>nem>t for the e<em>nem>d user. How do I hide the output whe<em>nem> Bash is executi<em>nem>g comm<em>a<em>nem>dem>s?
7 A<em>nem>swers
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Testi<em>nem>g whether a value is odd or eve<em>nem>
I decided to create simple isEve<em>nem> <em>a<em>nem>dem> isOdd fu<em>nem>ctio<em>nem> with a very simple algorithm:
22 A<em>nem>swers
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Execute <em>a<em>nem>dem> get the output of a shell comm<em>a<em>nem>dem> i<em>nem> <em>nem>ode.js
...ode.js, I'd like to fi<em>nem>d a way to obtai<em>nem> the output of a U<em>nem>ix termi<em>nem>al comm<em>a<em>nem>dem>. Is there a<em>nem>y way to do this?
5 A<em>nem>swers
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Co<em>nem>vert character to ASCII <em>nem>umeric value i<em>nem> java
...I<em>nem> your case, you <em>nem>eed to get the specific Character from the Stri<em>nem>g first <em>a<em>nem>dem> the<em>nem> cast it.
char character = <em>nem>ame.charAt(0); // This gives the character 'a'
i<em>nem>t ascii = (i<em>nem>t) character; // ascii is <em>nem>ow 97.
Though cast is <em>nem>ot required explicitly, but its improves readability.
i<em>nem>t ascii = charac...
Was Prefere<em>nem>ceFragme<em>nem>t i<em>nem>te<em>nem>tio<em>nem>ally excluded from the compatibility package?
I'm looki<em>nem>g to write prefere<em>nem>ces that ca<em>nem> be applied to both 3.0 <em>a<em>nem>dem> pre-3.0 devices. Discoveri<em>nem>g that Prefere<em>nem>ceActivity co<em>nem>tai<em>nem>s deprecated methods (although these are used i<em>nem> the accompa<em>nem>yi<em>nem>g sample code), I looked at Prefere<em>nem>ceFrageme<em>nem>t <em>a<em>nem>dem> the compatibility package to solve my woes.
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