MusicTheory | A music theory library for Swift OS X and iOS apps | Audio Utils library
kandi X-RAY | MusicTheory Summary
kandi X-RAY | MusicTheory Summary
A music theory library for Swift OS X and iOS apps. MusicTheory provides objects to work with musical keys, notes, scales and chords. It can be used to generate a scale from a key or note symbol, or a chord from a key and a chord degree for example. You can also use it to translate a sequence of notes to a sequence of MIDI values.
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Currently covering the most popular Java, JavaScript and Python libraries. See a Sample of MusicTheory
MusicTheory Key Features
MusicTheory Examples and Code Snippets
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Trending Discussions on MusicTheory
QUESTION
I have a Dataset structure in Spark with two columns, one called user
the other called category
. Such that the table looks some what like this:
ANSWER
Answered 2017-Jun-15 at 23:03I'm not sure if I understand your requirements correctly, but I will try to help.
According to my understanding expected result for above data should look like below. If it's not true, please let me know I will try to make requried modifications.
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