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Using custom std::set comparator
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YLJ
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answered Apr 12 '10 at 9:10
YacobyYacoby
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How to programmatically cause a core dump in C/C++
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edited May 23 '17 at 11:54
Community♦
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answered Jun 11 '09 at 3:24
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Retrieving parameters from a URL
...lparse.urlparse(url)
print urlparse.parse_qs(parsed.query)['def']
Python 3:
import urllib.parse as urlparse
from urllib.parse import parse_qs
url = 'http://foo.appspot.com/abc?def=ghi'
parsed = urlparse.urlparse(url)
print(parse_qs(parsed.query)['def'])
parse_qs returns a list of values, so the...
What would cause an algorithm to have O(log n) complexity?
...o have that log2 16 = 4. Hmmm... what about 128?
128 / 2 = 64
64 / 2 = 32
32 / 2 = 16
16 / 2 = 8
8 / 2 = 4
4 / 2 = 2
2 / 2 = 1
This took seven steps, and log2 128 = 7. Is this a coincidence? Nope! There's a good reason for this. Suppose that we divide a number n by 2 i times. Then...
In Python, how can you load YAML mappings as OrderedDicts?
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Update: In python 3.6+ you probably don't need OrderedDict at all due to the new dict implementation that has been in use in pypy for some time (although considered CPython implementation detail for now).
Update: In python 3.7+, the insertion...
How do I select a merge strategy for a git rebase?
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How to select Python version in PyCharm?
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edited Dec 30 '14 at 21:56
Eric Leschinski
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Difference between timestamps with/without time zone in PostgreSQL
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