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Numpy array dimensions

I'm currently trying to learn Numpy and Python. Given the following array: 8 Answers 8...
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UICollectionView Set number of columns

...he default is set to 3 (iPhone/portrait). I've looked at the documentation and can't seem to find a concise answer. 17 Answ...
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How do I add 24 hours to a unix timestamp in php?

... any English textual datetime description into a Unix timestamp. examples from the manual are as below: <?php echo strtotime("now"), "\n"; echo strtotime("10 September 2000"), "\n"; echo strtotime("+1 day"), "\n"; echo strtotime("+1 week"), "\n"; echo strtotime("+1 week...
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Getting the filenames of all files in a folder [duplicate]

... edited Jul 24 '18 at 7:27 Andrei Suvorkov 4,91144 gold badges1515 silver badges3535 bronze badges answered Apr 17 '11 at 15:31 ...
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List of Big-O for PHP functions

...ght it'd be good idea to have it for reference somewhere. I've gone though and either via benchmark or code-skimming to characterize the array_* functions. I've tried to put the more interesting Big-O near the top. This list is not complete. Note: All the Big-O where calculated assuming a hash look...
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Scala best way of turning a Collection into a Map-by-key?

If I have a collection c of type T and there is a property p on T (of type P , say), what is the best way to do a map-by-extracting-key ? ...
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Question mark (?) in XML attributes for Android

Can anyone explain the question mark means in Android XML attributes? 2 Answers 2 ...
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How can I set multiple CSS styles in JavaScript?

... If you have the CSS values as string and there is no other CSS already set for the element (or you don't care about overwriting), make use of the cssText property: document.getElementById("myElement").style.cssText = "display: block; position: absolute"; This...
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Can a java file have more than one class?

...can. However, there can only be one public top-level class per .java file, and public top-level classes must have the same name as the source file. The purpose of including multiple classes in one source file is to bundle related support functionality (internal data structures, support classes, etc...
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Evaluating string “3*(4+2)” yield int 18 [duplicate]

...NET framework that can evaluate a numeric expression contained in a string and return the result? F.e.: 14 Answers ...