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Append column to pandas dataframe
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@BenDundee Join and concat use a lot of the same code under the hood, so the "right" way probably only matters when you consider edge cases. For instance here if both DataFrames had a 'data' column the join would fail, whereas a concat would...
How do I change the formatting of numbers on an axis with ggplot?
I'm using R and ggplot to draw a scatterplot of some data, all is fine except that the numbers on the y-axis are coming out with computer style exponent formatting, i.e. 4e+05, 5e+05, etc. This is obviously unacceptable, so I want to get it to display them as 500,000, 400,000, and so on. Getting a p...
Set selected radio from radio group with a value
...r checkbox groups. This answer's way technically works, but is roundabout and much less readable/memorable.
– jinglesthula
Jun 29 '16 at 17:01
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Regular Expression to get a string between parentheses in Javascript
...or example: I want to get the string which resides between the strings "(" and ")"
9 Answers
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How to extract the hostname portion of a URL in JavaScript
...ibility for window.location.origin is not clear. I've checked it in chrome and it returned http://sub.domain.com:port if the port is anything but 80, and http://sub.domain.com if the port is 80.
Special thanks to @torazaburo for mentioning that to me.
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Is there any pythonic way to combine two dicts (adding values for keys that appear in both)?
...ith them you'd normally do with that type, such as iterate over their keys and values.
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design a stack such that getMinimum( ) should be O(1)
...) is still just a peek operation. For example, taking the original version and pushing 1 again, we'd get:
Real stack Min stack
1 --> TOP 1
5 1
1 2
4
6
2
Popping from the above pops from both stac...
Git interactive rebase no commits to pick
I'm on master and I did rebase -i <my_branch>
4 Answers
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I need to securely store a username and password in Python, what are my options?
...ll periodically pull information from a 3rd party service using a username and password combo. I don't need to create something that is 100% bulletproof (does 100% even exist?), but I would like to involve a good measure of security so at the very least it would take a long time for someone to break...
How to write :hover condition for a:before and a:after?
How to write :hover and :visited condition for a:before ?
7 Answers
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