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Select top 10 records for each category
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edited May 4 '14 at 17:05
answered Oct 7 '08 at 2:13
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Get list from pandas DataFrame column headers
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edited Apr 3 '19 at 9:51
cs95
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Remove empty elements from an array in Javascript
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EDIT: This question was answered almost nine years ago when there were not many useful built-in methods in the Array.prototype.
Now, certainly, I would recommend you to use the filter method.
Take in mind that this method w...
How to remove specific elements in a numpy array
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edited Jun 16 '16 at 20:40
answered Jun 12 '12 at 11:58
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Strangest language feature
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edited Jan 3 '10 at 15:57
community wiki
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How to overwrite the previous print to stdout in python?
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edited Sep 4 at 1:17
answered Mar 24 '11 at 12:56
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Renaming the current file in Vim
...ld file, you'll have to do that manually. see :help saveas for more info.
EDIT:
Most vim installations have an integrated file explorer, which you can use for such operations. Try :Explore in command mode (I would actually map that to a function key, it's very handy). You can rename files with R o...
How to install MySQLdb (Python data access library to MySQL) on Mac OS X?
...he tale of my rambling experience with this problem. Would love to see it edited or generalised if you have better experience of the issue... apply a bit of that SO magic.
Note: Comments in next paragraph applied to Snow Leopard, but not to Lion, which appears to require 64-bit MySQL
First off, t...
Checking if a list is empty with LINQ
... return true; // or throw an exception
return !source.Any();
}
Edit: Note that simply using the .Count method will be fast if the underlying source actually has a fast Count property. A valid optimization above would be to detect a few base types and simply use the .Count property of tho...
Is there a way to get a collection of all the Models in your Rails app?
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EDIT: Look at the comments and other answers. There are smarter answers than this one! Or try to improve this one as community wiki.
Models do not register themselves to a master object, so no, Rails does not have the list o...