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Python `if x is not None` or `if not x is None`?
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There's no performance difference, as they compile to the same bytecode:
Python 2.6.2 (r262:...
Have nginx access_log and error_log log to STDOUT and STDERR of master process
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edited May 23 '17 at 10:31
Community♦
111 silver badge
answered Apr 27 '14 at 20:15
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GOTO still considered harmful? [closed]
...ple example.)
On the other hand, if the code had read this way:
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goto 10
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a = b + 1
10: /* do something with a */
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goto 10
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The multiplicity of ways to get to label 10 means that we have to work much harder to be confident about the relationships between a and b at that point. (In fa...
In Hibernate Validator 4.1+, what is the difference between @NotNull, @NotEmpty, and @NotBlank?
...s any longer.
– Steve
Mar 11 '18 at 10:45
add a comment
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How can I remove a specific item from an array?
... than JavaScript.)
– default123
Sep 10 at 0:16
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How to count the frequency of the elements in an unordered list?
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jdhao
10.2k66 gold badges5858 silver badges109109 bronze badges
answered Jan 29 '10 at 12:18
Nadia AlramliN...
Running multiple commands in one line in shell
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Note that cp A B; rm A is exactly mv A B. It'll be faster too, as you don't have to actually co...
How does Git handle symbolic links?
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edited Oct 27 '18 at 10:02
Peter Mortensen
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Setting Short Value Java
... a method setTableId(Short tableId) . Now when I try to write setTableId(100) it gives compile time error. How can I set the short value without declaring another short variable?
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How to get current working directory in Java?
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edited Jun 30 '10 at 21:38
answered Jun 30 '10 at 21:12
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