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What is that “total” in the very first line after ls -l? [closed]
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answered Sep 13 '11 at 12:18
MatMat
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Unlink of file failed
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204
That usually means a process is still using that specific file (still has an handle on it)
(on...
In a Bash script, how can I exit the entire script if a certain condition occurs?
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Michael FoukarakisMichael Foukarakis
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How to stop mongo DB in one command
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231
Starting and Stopping MongoDB is covered in the MongoDB manual. It explains the various option...
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...
Run function from the command line
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answered Oct 21 '10 at 11:52
Frédéric HamidiFrédéric Hamidi
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arrayfun can be significantly slower than an explicit loop in matlab. Why?
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2 Answers
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Why does C++ rand() seem to generate only numbers of the same order of magnitude?
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There are only 3% of numbers between 1 and 230 which are NOT between 225 and 230. So, this sounds pretty normal :)
Because 225 / 230 = 2-5 = 1/32 = 0.03125 = 3.125%
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Android Studio rendering problems
I'm using Android Studio 0.2.3 and when opened an activity layout normally, the preview should appear on the right side, so that I can switch between Text and Design mode, which should again show the preview of the layout.
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Add missing dates to pandas dataframe
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270
You could use Series.reindex:
import pandas as pd
idx = pd.date_range('09-01-2013', '09-30-2...