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Looping over a list in Python
...ur len(x) should be equal to 3.
>>> mylist = [[1,2,3],[4,5,6,7],[8,9,10]]
>>> for x in mylist:
... if len(x)==3:
... print x
...
[1, 2, 3]
[8, 9, 10]
or if you need more pythonic use list-comprehensions
>>> [x for x in mylist if len(x)==3]
[[1, 2, 3], [8, ...
Eclipse hangs at the Android SDK Content Loader
I've been working with Eclipse 4.2 (Juno release 20120920-0800) on OS X 10.8.2 for a few weeks now, building apps for Android 3.0 and above. I have a quad core i7 MacBook Pro with an SSD, so performance is not an issue. Everything was fine.
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Why unsigned integer is not available in PostgreSQL?
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answered Aug 5 '15 at 12:58
Karl TarbeKarl Tarbe
50555 silver badges66 bronze badges
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Read password from stdin
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281
>>> import getpass
>>> pw = getpass.getpass()
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Is calculating an MD5 hash less CPU intensive than SHA family functions?
...g an MD5 hash less CPU intensive than SHA-1 or SHA-2 on "standard" laptop x86 hardware? I'm interested in general information, not specific to a certain chip.
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Can't su to user jenkins after installing Jenkins
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edited Mar 20 '17 at 10:18
Community♦
111 silver badge
answered Aug 6 '13 at 13:03
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JRE 1.7 - java version - returns: java/lang/NoClassDefFoundError: java/lang/Object
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186
This problem stems from an improper Java installation.
Possibility 1
NOTE: This scenario...
How to select rows that have current day's timestamp?
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edited Feb 8 '13 at 9:39
answered Feb 8 '13 at 9:07
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Is volatile expensive?
...down the page I see that LoadLoad and LoadStore are effectively no-ops on X86 CPUs. Does this mean that volatile read operations can be done without a explicit cache invalidation on x86, and is as fast as a normal variable read (disregarding the reordering constraints of volatile)?
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Rails filtering array of objects by attribute value
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VikVik
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