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Is explicitly closing files important?

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python assert with and without parenthesis

... answered Jun 24 '10 at 17:00 Mark RushakoffMark Rushakoff 214k3737 gold badges383383 silver badges383383 bronze badges ...
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Should I use a data.frame or a matrix?

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How to validate an Email in PHP?

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Do you need to dispose of objects and set them to null?

... answered May 28 '10 at 5:51 Zach JohnsonZach Johnson 21.2k66 gold badges6464 silver badges8383 bronze badges ...
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How can I check the size of a collection within a Django template?

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Can an AJAX response set a cookie?

... answered Jul 27 '10 at 4:46 this. __curious_geekthis. __curious_geek 40.1k2020 gold badges105105 silver badges132132 bronze badges ...
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Check if key exists and iterate the JSON array using Python

... 105 If all you want is to check if key exists or not h = {'a': 1} 'b' in h # returns False If y...
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Why `null >= 0 && null

... answered May 26 '10 at 6:39 Christian C. SalvadóChristian C. Salvadó 688k171171 gold badges886886 silver badges826826 bronze badges ...
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How much size “Null” value takes in SQL Server

I have a large table with say 10 columns. 4 of them remains null most of the times. I have a query that does null value takes any size or no size in bytes. I read few articles some of them are saying : ...