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Why not abstract fields?
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105
You can do what you described by having a final field in your abstract class that is initialis...
Check if key exists and iterate the JSON array using Python
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105
If all you want is to check if key exists or not
h = {'a': 1}
'b' in h # returns False
If y...
Should one call .close() on HttpServletResponse.getOutputStream()/.getWriter()?
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answered Oct 15 '10 at 17:58
Skip HeadSkip Head
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What is Scala's yield?
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– Richard Gomes
Jun 30 '12 at 14:10
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Why `null >= 0 && null
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answered May 26 '10 at 6:39
Christian C. SalvadóChristian C. Salvadó
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How to validate an Email in PHP?
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edited May 23 '17 at 12:10
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answered May 2 '11 at 10:05
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Filtering a list based on a list of booleans
...True, False, True, False]
>>> %timeit list(compress(list_a, fil))
100000 loops, best of 3: 2.58 us per loop
>>> %timeit [i for (i, v) in zip(list_a, fil) if v] #winner
100000 loops, best of 3: 1.98 us per loop
>>> list_a = [1, 2, 4, 6]*100
>>> fil = [True, False...
How do I find out with jQuery if an element is being animated?
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JamesJames
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How can I compare two dates in PHP?
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in the database the date looks like this 2011-10-2
Store it in YYYY-MM-DD and then string comparison will work because '1' > '0', etc.
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Regular expression to return text between parenthesis
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10
what if there is no '(' and ')'? you will get s[0:-1]. Which means you will get whatever in 's' :\. It will be good if you check that the s...