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Way to read first few lines for pandas dataframe
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I think you can use the nrows parameter. From the docs:
nrows : int, default None
Number of rows of file to read. Useful for reading pieces of large files
which seems to work. Using one of the standard large test files (988504479 bytes, 5344499 lines):
In ...
Disable browsers vertical and horizontal scrollbars
...the answer is not good, just stating the obvious about the lower votes. +1 from me anyway.
– Nope
Oct 17 '13 at 15:26
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When is CRC more appropriate to use than MD5/SHA1?
...ks fine for detecting random errors in data that might occur, for example, from network interference, line noise, distortion, etc.
CRC is computationally much less complex than MD5 or SHA1. Using a hash function like MD5 is probably overkill for random error detection. However, using CRC for any ki...
Using pip behind a proxy with CNTLM
...H
Ubuntu/Linux cntlm -v -H -c /etc/cntlm.conf
Remove plain text password from the config and replace them with the generated passwords.
To check if working:
Windows cntlm –M http://www.google.com
Ubuntu/Linux sudo cntlm -M http://www.google.com/
For more detailed instructions, see links abov...
Show Image View from file path?
I need to show an image by using the file name only, not from the resource id.
13 Answers
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How to center an iframe horizontally?
...tion:
<div class="videoWrapper">
<!-- Copy & Pasted from YouTube -->
<iframe width="560" height="349" src="http://www.youtube.com/embed/n_dZNLr2cME?rel=0&hd=1" frameborder="0" allowfullscreen></iframe>
</div>
And add this css:
.videoW...
C# equivalent of the IsNull() function in SQL Server
... in the right-hand operand position to a boolean variable. I had to change from this.BinaryExists = vModel.BinaryExists ?? 0; to this.BinaryExists = vModel.BinaryExists ?? false;.
– Kuyenda
Jul 7 '11 at 14:00
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What is boilerplate code?
...t ought to be much simpler.
It's a subjective definition.
The term comes from "boilerplate" in the newspaper industry: wiki
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Match whitespace but not newlines
...he horizontal whitespace character class \h. This will match tab and space from the ASCII set, non-breaking space from extended ASCII, or any of these Unicode characters
U+0009 CHARACTER TABULATION
U+0020 SPACE
U+00A0 NO-BREAK SPACE (not matched by \s)
U+1680 OGHAM SPACE MARK
U+2000 EN QUAD
U+2001...
How to avoid Python/Pandas creating an index in a saved csv?
...swer this question. The reputation requirement helps protect this question from spam and non-answer activity.
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