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Do I set properties to nil in dealloc when using ARC?

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Fastest way to list all primes below N

... +100 Warning: timeit results may vary due to differences in hardware or version of Python. Below is a script which compares a number o...
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Aren't Python strings immutable? Then why does a + “ ” + b work?

...aaske Tørholm 43.3k77 gold badges8888 silver badges109109 bronze badges ...
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How do I import CSV file into a MySQL table?

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Why does this go into an infinite loop?

... answered Sep 30 '10 at 15:09 Dan TaoDan Tao 116k4949 gold badges270270 silver badges421421 bronze badges ...
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Is it possible to create static classes in PHP (like in C#)?

... answered Jan 22 '09 at 10:39 GregGreg 286k5151 gold badges350350 silver badges324324 bronze badges ...
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How do I diff the same file between two different commits on the same branch?

... answered Jul 26 '10 at 19:13 mipadimipadi 343k7777 gold badges491491 silver badges463463 bronze badges ...
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Get first day of week in SQL Server

...ome sensible logic built in to round up or down: SELECT DATEDIFF(YEAR, '2010-01-01', '2011-12-31'); SELECT DATEDIFF(YEAR, '2010-12-31', '2011-01-01'); To answer how to get a Sunday: If you want a Sunday, then pick a base date that's not a Monday but rather a Sunday. For example: DECLARE @dt DAT...
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How to install a gem or update RubyGems if it fails with a permissions error

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Does use of final keyword in Java improve the performance?

... | edited Nov 25 '10 at 17:35 answered Nov 25 '10 at 17:11 ...