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Is gcc std::unordered_map implementation slow? If so - why?
... found the reason: it is a Problem of gcc-4.7!!
With gcc-4.7
inserts: 37728
get : 2985
With gcc-4.6
inserts: 2531
get : 1565
So std::unordered_map in gcc-4.7 is broken (or my installation, which is an installation of gcc-4.7.0 on Ubuntu - and another installation which is gcc 4.7.1 on d...
How do I get the function name inside a function in PHP?
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totymedli
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answered Jun 17 '09 at 10:33
Silfverstr...
NSDictionary - Need to check whether dictionary contains key-value pair or not
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2 Answers
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Difference between . and : in Lua
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242
The colon is for implementing methods that pass self as the first parameter. So x:bar(3,4)sho...
Stream.Seek(0, SeekOrigin.Begin) or Position = 0
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How do I move a table into a schema in T-SQL
... to move a table into a specific Schema using T-SQL? I am using SQL Server 2008.
2 Answers
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PHP foreach loop key value
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answered Dec 2 '09 at 18:03
PekkaPekka
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pandas read_csv and filter columns with usecols
...pandas as pd
from StringIO import StringIO
csv = r"""dummy,date,loc,x
bar,20090101,a,1
bar,20090102,a,3
bar,20090103,a,5
bar,20090101,b,1
bar,20090102,b,3
bar,20090103,b,5"""
df = pd.read_csv(StringIO(csv),
header=0,
index_col=["date", "loc"],
usecols=["date", "loc", "x"],...
Setting the Vim background colors
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answered Jul 13 '09 at 2:41
Alex MartelliAlex Martelli
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composer: How to find the exact version of a package?
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edited Nov 21 '16 at 18:09
L S
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an...