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Call int() function on every list element?
I have a list with numeric strings, like so:
7 Answers
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In R, how to get an object's name after it is sent to a function?
I am looking for the reverse of get() .
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Develop Android app using C#
Is it possible to write an android app using C#? Is there an API or something? Is it free for personal and commercial development?
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How to read multiple text files into a single RDD?
I want to read a bunch of text files from a hdfs location and perform mapping on it in an iteration using spark.
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How do I get the RootViewController from a pushed controller?
So, I push a view controller from RootViewController like:
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Build an iOS app without owning a mac? [closed]
Please correct me if I'm wrong.
12 Answers
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HTML 5 tag vs Flash video. What are the pros and cons?
This question was made over 9 years ago. It made sense then, it doesn't make it now. Flash is hard on its way out; <video> support is ubiquitous, including mobile devices. Almost anything that Flash could do, HTML can now do too. HTML won, Flash lost. If you're pondering on how to embed vide...
Calculate difference in keys contained in two Python dictionaries
Suppose I have two Python dictionaries - dictA and dictB . I need to find out if there are any keys which are present in dictB but not in dictA . What is the fastest way to go about it?
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How to select the rows with maximum values in each group with dplyr? [duplicate]
I would like to select a row with maximum value in each group with dplyr.
6 Answers
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Pass a data.frame column name to a function
I'm trying to write a function to accept a data.frame ( x ) and a column from it. The function performs some calculations on x and later returns another data.frame. I'm stuck on the best-practices method to pass the column name to the function.
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