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Getting a list of values from a list of dicts
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340
Assuming every dict has a value key, you can write (assuming your list is named l)
[d['value'] ...
Is there any performance gain in indexing a boolean field?
... isok is a boolean field (actually a TINYINT(1) UNSIGNED that is set to 0 or 1 as needed).
7 Answers
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How does strtok() split the string into tokens in C?
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Simon
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answered Oct 8 '10 at 11:33
Sachin ShanbhagSach...
How do I alter the position of a column in a PostgreSQL database table?
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108
"Alter column position" in the PostgreSQL Wiki says:
PostgreSQL currently defines column
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How do I show the changes which have been staged?
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Robert Harvey
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answered Oct 19 '09 at 10:07
CB BaileyCB Bailey
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How does this giant regex work?
...osable virtual machine.
<?php
print gzinflate(base64_decode("7b1tVxs50jD8OXvO9R9Er3fanhhjm2Q2Y7ADIZCQSSAD5GUC3N623bZ7aLs93W0Mk+W/31Wll5b6xZhkdq/7OedhJtDdKpVKUkkqlapK3rDM1tzJLL4tl7qn+ycf90/O7ddnZ++7H+Ctu/tq/+jMvqywCvv6P39j8FOaR264O3KnccTazAlD57ZsvQqCke9aVWad+vNwhg/vTo9eBDE+eU7XCftj79oN8fU3Zzpwb...
Retaining file permissions with Git
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answered Jul 8 '10 at 21:28
VonCVonC
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Best way to encode text data for XML in Java?
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answered Jan 13 '09 at 15:18
Jon SkeetJon Skeet
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How to implement an ordered, default dict? [duplicate]
...faultOrderedDict(OrderedDict):
# Source: http://stackoverflow.com/a/6190500/562769
def __init__(self, default_factory=None, *a, **kw):
if (default_factory is not None and
not isinstance(default_factory, Callable)):
raise TypeError('first argument must be callab...
Should I use px or rem value units in my CSS? [closed]
...1 CSS pixel equals 2 physical Retina display pixels.
That said, up until 2010 (and the mobile zoom situation notwithstanding), the px almost always did equal one physical pixel, because all widely available displays were around 96dpi.
Sizes specified in ems are relative to the parent element. This...