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cartesian product in pandas
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This won't win a code golf competition, and borrows from the previous answers - but clearly shows how the key is added, and how the join works. This creates 2 new data frames from lists, then adds the key to do the cartesian product on....
Why is Visual Studio 2013 very slow?
I'm running Visual Studio 2013 Pro (RTM version) on my formatted PC (Windows 8.1 fresh install).
31 Answers
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Possible to change where Android Virtual Devices are saved?
I've set up the Android SDK and Eclipse on my machine running Windows XP and AVDs (Android Virtual Devices) are saved to "Documents and Settings\ user \.android" by default. Is there any way to change this behavior? I have all of the other components saved in a directory on a separate partition an...
How to swap two variables in JavaScript
...to be about 35 times slower than the third variable method on nodejs 7.4.0/win7 64. But it sure is neat.
– mkey
Feb 15 '17 at 21:03
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git rebase: “error: cannot stat 'file': Permission denied”
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I've only ever seen this error on Windows and what it seems to mean is that something blocked git from modifying a file at the moment when it tried to a apply a patch.
Windows tends to give processes exclusive access to files when it shouldn't really be nece...
How to install Java 8 on Mac
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I get the following when I try your answer: Cask adoptopenjdk8 exists in multiple taps: caskroom/versions/adoptopenjdk8 adoptopenjdk/openjdk/adoptopenjdk8
– Koray Tugay
May 10 '19 at 0:04
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Javascript - How to detect if document has loaded (IE 7/Firefox 3)
...oaded", init, false);
}
/* for Internet Explorer */
/*@cc_on @*/
/*@if (@_win32)
document.write("<script id=__ie_onload defer src=javascript:void(0)><\/script>");
var script = document.getElementById("__ie_onload");
script.onreadystatechange = function() {
if (this.readyState ...
How to convert std::string to LPCSTR?
...u can ignore the L (long) part of the names -- it's a holdover from 16-bit Windows.
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Import a module from a relative path
..._file__ !!!
# __file__ fails if the script is called in different ways on Windows.
# __file__ fails if someone does os.chdir() before.
# sys.argv[0] also fails, because it doesn't not always contains the path.
As a bonus, this approach does let you force Python to use your module instead of the...
How do I clone a generic list in C#?
...ss readable/understandable when scanning the code, that's all. Readability wins for me.
– Jeff Yates
Dec 22 '10 at 15:18
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