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GroupBy pandas DataFrame and select most common value
I have a data frame with three string columns. I know that the only one value in the 3rd column is valid for every combination of the first two. To clean the data I have to group by data frame by first two columns and select most common value of the third column for each combination.
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Xcode 6 / Beta 4: using bridging headers with framework targets is unsupported
I just upgraded to Xcode 6 Beta 4 and have a framework that I created for Live Views in Beta 2. Due to another swift bug , I needed to use some Obj-C code. When upgrading though, I get the following error:
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Ignore mouse interaction on overlay image
I have a menu bar with hover effects, and now I want to place a transparent image with a circle and a "handdrawn" text over one of the menu items. If I use absolute positioning to place the overlay image above the menu item, the user will not be able to click the button and the hover effect will not...
How do I move an existing window to a new tab?
...reviously suggested :tabedit approach, a quicker way of doing it is (in normal mode) to hit Ctrl-W Shift-T. Ctrl-W is the general prefix for a wide variety of window manipulation commands.
See:
:help Ctrl-W_T
:help Ctrl-W
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How to map calculated properties with JPA and Hibernate
My Java bean has a childCount property. This property is not mapped to a database column . Instead, it should be calculated by the database with a COUNT() function operating on the join of my Java bean and its children. It would be even better if this property could be calculated on demand / "laz...
npm install vs. update - what's the difference?
What is the practical difference between npm install and npm update ? When should I use which?
5 Answers
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What happens if i return before the end of using statement? Will the dispose be called?
...n as the execution leaves the scope of the using block, regardless of what means it took to leave the block, be it the end of execution of the block, a return statement, or an exception.
As @Noldorin correctly points out, using a using block in code gets compiled into try/finally, with Dispose be...
extract part of a string using bash/cut/split
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To extract joebloggs from this string in bash using parameter expansion without any extra processes...
MYVAR="/var/cpanel/users/joebloggs:DNS9=domain.com"
NAME=${MYVAR%:*} # retain the part before the colon
NAME=${NAME##*/} # retain the part af...
How to override to_json in Rails?
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You are getting ArgumentError: wrong number of arguments (1 for 0) because to_json needs to be overridden with one parameter, the options hash.
def to_json(options)
...
end
Longer explanation of to_json, as_json, and rendering:
In Active...
Is there a way to force ASP.NET Web API to return plain text?
I need to get a response back in plain text from a ASP.NET Web API controller.
6 Answers
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