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MySQL, better to insert NULL or empty string?
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221
By using NULL you can distinguish between "put no data" and "put empty data".
Some more differe...
getting date format m-d-Y H:i:s.u from milliseconds
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15 Answers
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Deep copy of a dict in python
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d2 = copy.deepcopy(d)
Python 2 or 3:
Python 3.2 (r32:88445, Feb 20 2011, 21:30:00) [MSC v.1500 64 bit (AMD64)] on win32
Type "help", "copyright", "credits" or "license" for more information.
>>> import copy
>>> my_dict = {'a': [1, 2, 3], 'b': [4, 5, 6]}
>>> my_copy =...
How to fallback to local stylesheet (not script) if CDN fails
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11 Answers
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Don't understand why UnboundLocalError occurs (closure) [duplicate]
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169
Python doesn't have variable declarations, so it has to figure out the scope of variables itse...
PHP Pass by reference in foreach [duplicate]
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Because on the second loop, $v is still a reference to the last array item, so it's overwritte...
How do I put double quotes in a string in vba?
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187
I find the easiest way is to double up on the quotes to handle a quote.
Worksheets("Sheet1")....
Using querySelector with IDs that are numbers
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It is valid, but requires some special handling. From here: http://mathiasbynens.be/notes/css...