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Select count(*) from multiple tables

... @Stéphane: this happens when you try Oracle code on PostgreSQL. Lose the FROM dual. – Quassnoi Feb 3 '16 at 12:52 ...
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How to convert a String to CharSequence?

...them know why this code answer the question. – Jean-Rémy Revy Sep 22 '14 at 20:14 Wrapping a string into an array doe...
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How can I reverse a NSArray in Objective-C?

... For obtaining a reversed copy of an array, look at danielpunkass' solution using reverseObjectEnumerator. For reversing a mutable array, you can add the following category to your code: @implementation NSMutableArray (Reverse) - ...
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Redefine tab as 4 spaces

...ated by pressing the tab key, which would result in the file literally containing (up to) 4 space characters for each "tab" you type? Depending on your answer, one of the following sets of settings should work for you: For tab characters that appear 4-spaces-wide: set tabstop=4 If you're using...
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Installing pip packages to $HOME folder

...u export PATH=$PATH:~/Library/Python/X.Y/bin/. – André Caron Dec 31 '15 at 17:45  |  show 5 more comments ...
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What does %~dp0 mean, and how does it work?

... - expands %I to a file extension only %~sI - expanded path contains short names only %~aI - expands %I to file attributes of file %~tI - expands %I to date/time of file %~zI - expands %I to size of file %~$PATH:I - searches the directories listed in the PATH ...
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How to get index in Handlebars each helper?

...l 29 '13 at 21:10 Fabrício Matté 63.8k2222 gold badges114114 silver badges156156 bronze badges answered Jan 1 '13 at 19:56 ...
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Hidden features of Python [closed]

... Chaining comparison operators: >>> x = 5 >>> 1 < x < 10 True >>> 10 < x < 20 False >>> x < 10 < x*10 < 100 True >>> 10 > x <= 9 True >>> 5 == x ...
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Why is UICollectionViewCell's outlet nil?

...as down voted. This was the answer to my problem. – Félix Simões Jun 24 '15 at 9:17 1 This is t...
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How to remove css property in jQuery

...ect If they are assigned to a class or similar. – José Carlos Sep 25 '16 at 22:09 15 If you need...