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Convert data.frame column to a vector?

... I'm going to attempt to explain this without making any mistakes, but I'm betting this will attract a clarification or two in the comments. A data frame is a list. When you subset a data frame using the name of a column and [, what you're getting is...
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android TextView: setting the background color dynamically doesn't work

Setting the background color programatically of an android TextView doesn't seem to work. I'm I missing something! 14 Ans...
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Flatten list of lists [duplicate]

... Please explain why. This is about as simple as it gets – Paul Seeb Jun 29 '12 at 15:43 6 ...
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How to run code when a class is subclassed? [duplicate]

...s__ = Watcher where Watcher is a subclass of type. In Python3 the syntax has been changed to class SuperClass(metaclass=Watcher) Both are equivalent to Superclass = Watcher(name, bases, clsdict) where in this case, name equals the string 'Superclass', and bases is the tuple (object, ). The...
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Return multiple columns from pandas apply()

...ntains the new data, preventing the need to iterate three times. Passing axis=1 to the apply function applies the function sizes to each row of the dataframe, returning a series to add to a new dataframe. This series, s, contains the new values, as well as the original data. def sizes(s): s['...
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Get last n lines of a file, similar to tail

... 1 2 Next 123 ...
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Alphabet range in Python

... import string >>> string.ascii_lowercase 'abcdefghijklmnopqrstuvwxyz' If you really need a list: >>> list(string.ascii_lowercase) ['a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z'] And to do it wi...
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How to reset Android Studio

...der - on Windows 7/8 this would be: [SYSDRIVE]:\Users\[your username] (ex. C:\Users\JohnDoe\) In this folder there should be a folder called .AndroidStudioBeta or .AndroidStudio (notice the period at the start - so on some OSes it would be hidden). Delete this folder (or better yet, move it to ...
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Throwing the fattest people off of an overloaded airplane.

... drops 3000 pounds of passenger weight, it will not be able to reach the next airport. To save the maximum number of lives, we would like to throw the heaviest people off of the plane first. ...
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what is “strict mode” and how is it used?

...er and I'm having trouble understanding what it does. Can someone briefly explain (in general) what its purpose is and how it is useful? ...