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Adding new column to existing DataFrame in Python pandas
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Super simple column assignment
A pandas dataframe is implemented as an ordered dict of columns.
This means that the __getitem__ [] can not only be used to get a certain column, but __setitem__ [] = can be used to assign a new column.
For example, this dataframe can have a column added to it by...
How to resize superview to fit all subviews with autolayout?
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Eric Baker's comment tipped me off to the core idea that in order for a view to have its size be determined by the content placed within it, then the content placed within it must have an explicit relationship with the containing view in order to drive its height (or width) dynamicall...
Find a Git branch containing changes to a given file
...ranch --contains $f; done | sort -u
Manually inspect:
gitk --all --date-order -- $FILENAME
Find all changes to FILENAME not merged to master:
git for-each-ref --format="%(refname:short)" refs/heads | grep -v master | while read br; do git cherry master $br | while read x h; do if [ "`git log -...
for each loop in Objective-C for accessing NSMutable dictionary
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Is this loop return same order all the time? Or do we need another way to use it for TableView sections?
– ymutlu
Oct 31 '14 at 14:55
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What is a MIME type?
...en to write your first letter in Tamil, and the second in German etc.
In order for your friend to translate those letters, your friend would need to:
(i) identify the language type, and
(ii) and then translate it accordingly.
But identifying a language is not that easy - it's going to take a l...
Difference between DTO, VO, POJO, JavaBeans?
..., and allows access to properties using getter and setter methods.
In order to function as a JavaBean class, an object class must obey certain conventions about method naming, construction, and behavior. These conventions make it possible to have tools that can use, reuse, replace, and connect ...
jQuery.ajax handling continue responses: “success:” vs “.done”?
...n an ajax call? Good question. Since all other callbacks are called in the order that they're bound, my guess is yes, success is just called first.
– glortho
Jan 12 '12 at 19:24
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iOS 7 status bar back to iOS 6 default style in iPhone app?
...rate: there is no way to return to iOS 6 style status bar layout logic. In order to approximate this, you have to move all the view controllers of your app into a container view that is offset by 20 points from the top of the screen, leaving an intentionally black view behind the status bar to simul...
Should flux stores, or actions (or both) touch external services?
...can be handled differently.) In my experience, this has a few benefits, in order of importance:
Your stores become completely synchronous. This makes your store logic much easier to follow and very easy to test—just instantiate a store with some given state, send it an action, and check to see i...
When should I use a struct rather than a class in C#?
...meter outside of the Dictionary class. Further investigation shows that in order to satisfy implementation of IEnumerable, Dictionary uses the Enumerator struct which it copies every time an enumerator is requested ...makes sense.
Internal to the Dictionary class. Enumerator is public because Dictio...