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Apply multiple functions to multiple groupby columns
... groupby object at a time using a dict with the output column names as the keys:
7 Answers
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Pythonic way of checking if a condition holds for any element of a list
I have a list in Python, and I want to check if any elements are negative. Specman has the has() method for lists which does:
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How to make button look like a link?
I need to make a button look like a link using CSS. The changes are done but when I click on it, it shows as if it's pushed as in a button. Any idea how to remove that, so that the button works as a link even when clicked?
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Get current directory name (without full path) in a Bash script
How would I get just the current working directory name in a bash script, or even better, just a terminal command.
20 Answe...
Merge two branch revisions using Subversion
I'd like to merge all the changes that took place between rev 10 & the HEAD rev on http://url-of-branch-a and apply them to http://url-of-branch-b .
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puts vs logger in rails rake tasks
In a rake task if I use puts command then I see the output on console. However I will not see that message in log file when app is deployed on production.
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Cannot make a static reference to the non-static method
...derstand the difference between the two.
Instance (non-static) methods work on objects that are of a particular type (the class). These are created with the new like this:
SomeClass myObject = new SomeClass();
To call an instance method, you call it on the instance (myObject):
myObject.getText(...
Get selected subcommand with argparse
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answered Jan 1 '11 at 21:10
robertrobert
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How do I associate a Vagrant project directory with an existing VirtualBox VM?
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WARNING: The solution below works for Vagrant 1.0.x but not Vagrant 1.1+.
Vagrant uses the ".vagrant" file in the same directory as your "Vagrantfile" to track the UUID of your VM. This file will not exist if a VM does not exist. The format of the file is...
How can I remove the first line of a text file using bash/sed script?
... lines. tail -n 5 would give you the last 5 lines of the input. The + sign kind of inverts the argument and make tail print anything but the first x-1 lines. tail -n +1 would print the whole file, tail -n +2 everything but the first line, etc.
GNU tail is much faster than sed. tail is also availabl...