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When should I use a composite index?

...f homes would be random decimals as such: home_id geolat geolng 1 20.1243 50.4521 2 22.6456 51.1564 3 13.5464 45.4562 4 55.5642 166.5756 5 24.2624 27.4564 6 62.1564 24.2542 ... Since geolat and geolng values hardly repeat itself. A composite index on geo...
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How to calculate UILabel width based on text length?

... good for? this question might have your answer, it worked for me. For 2014, I edited in this new version, based on the ultra-handy comment by Norbert below! This does everything. Cheers // yourLabel is your UILabel. float widthIs = [self.yourLabel.text boundingRectWithSize:self.yourLabel....
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Is there a null-coalescing (Elvis) operator or safe navigation operator in javascript?

... x === undefined. – mike rodent Jan 20 '18 at 17:56  |  show 2 more comments ...
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How to use gitignore command in git

... answered Sep 19 '12 at 20:19 u19964u19964 2,82544 gold badges1717 silver badges2727 bronze badges ...
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Python: fastest way to create a list of n lists

... answered Apr 1 '11 at 20:31 Sven MarnachSven Marnach 446k100100 gold badges833833 silver badges753753 bronze badges ...
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Extracting specific columns in numpy array

...lumn names? – Zelphir Kaltstahl Nov 20 '16 at 21:02 9 data[:, ['Column Name1','Column Name2']] ...
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How to retrieve an element from a set without removing it?

... answered Sep 12 '08 at 20:08 Blair ConradBlair Conrad 190k2424 gold badges124124 silver badges107107 bronze badges ...
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Is there an eval() function in Java? [duplicate]

... | edited Sep 20 '15 at 13:57 System 5,8851212 gold badges3838 silver badges7373 bronze badges ...
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Converting integer to binary in python

...plain each character! – Post169 Mar 20 '18 at 16:27 ...
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How to round up the result of integer division?

...Page - 1) / recordsPerPage; Source: Number Conversion, Roland Backhouse, 2001 share | improve this answer | follow | ...