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Designing function f(f(n)) == -n
A question I got on my last interview:
118 Answers
118
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Filter data.frame rows by a logical condition
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To select rows according to one 'cell_type' (e.g. 'hesc'), use ==:
expr[expr$cell_type == "hesc", ]
To select rows according to two or more different 'cell_type', (e.g. either 'hesc' or 'bj fibroblast'), use %in%:
expr[expr$cell_type %in% c("...
Return HTTP status code 201 in flask
We're using Flask for one of our API's and I was just wondering if anyone knew how to return a HTTP response 201?
9 Answers...
jQuery UI Tabs - How to Get Currently Selected Tab Index
I know this specific question has been asked before , but I am not getting any results using the bind() event on the jQuery UI Tabs plugin.
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GitHub README.md center image
I've been looking at the markdown syntax used in GitHub for a while but except resizing an image to the extent of the README.md page, I can't figure out how to center an image in it.
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How can you disable Git integration in Visual Studio 2013 permanently?
I know that you can disable git integration by using the Tools / Options dialog, but what I've noticed is that this setting doesn't seem to persist across sessions; i.e., as soon as close and reopen the solution, Git integration is enabled again. I'm guessing Visual Studio is seeing the .git folder ...
Find which commit is currently checked out in Git
I'm in the middle of a git bisect session.
5 Answers
5
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jQuery $(document).ready and UpdatePanels?
I'm using jQuery to wire up some mouseover effects on elements that are inside an UpdatePanel. The events are bound in $(document).ready . For example:
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Ruby: Can I write multi-line string with no concatenation?
...re are pieces to this answer that helped me get what I needed (easy multi-line concatenation WITHOUT extra whitespace), but since none of the actual answers had it, I'm compiling them here:
str = 'this is a multi-line string'\
' using implicit concatenation'\
' to prevent spare \n\'s'
=> "t...
How can I plot separate Pandas DataFrames as subplots?
I have a few Pandas DataFrames sharing the same value scale, but having different columns and indices. When invoking df.plot() , I get separate plot images. what I really want is to have them all in the same plot as subplots, but I'm unfortunately failing to come up with a solution to how and would...