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Difference between numpy.array shape (R, 1) and (R,)

... 1. The meaning of shapes in NumPy You write, "I know literally it's list of numbers and list of lists where all list contains only a number" but that's a bit of an unhelpful way to think about it. The best way to think about NumPy arrays is that they consist of two parts, a data bu...
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What is the difference between map and flatMap and a good use case for each?

...ark-shell session: First, some data - two lines of text: val rdd = sc.parallelize(Seq("Roses are red", "Violets are blue")) // lines rdd.collect res0: Array[String] = Array("Roses are red", "Violets are blue") Now, map transforms an RDD of length N into another RDD of length N. For examp...
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Convert Pandas column containing NaNs to dtype `int`

... @jsc123 you can use the object dtype. This comes with a small health warning but for the most part works well. – Andy Hayden May 19 '15 at 15:16 1 ...
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Passing a dictionary to a function as keyword parameters

I'd like to call a function in python using a dictionary. 4 Answers 4 ...
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How do I upload a file with metadata using a REST web service?

...at I wanted to do. Unfortunately, due to a weird business rule, we have to allow the upload to occur in any order (metadata first or file first). I was wondering if there was a way to combine the two in order to save the headache of dealing with both situations. – Daniel T. ...
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Constructors in Go

... There are actually two accepted best practices: Make the zero value of your struct a sensible default. (While this looks strange to most people coming from "traditional" oop it often works and is really convenient). Provide a function fu...
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Getting individual colors from a color map in matplotlib

...You can do this with the code below, and the code in your question was actually very close to what you needed, all you have to do is call the cmap object you have. import matplotlib cmap = matplotlib.cm.get_cmap('Spectral') rgba = cmap(0.5) print(rgba) # (0.99807766255210428, 0.99923106502084169,...
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How do I check if file exists in Makefile so I can delete it?

In the clean section of my Makefile I am trying to check if the file exists before deleting permanently. I use this code but I receive errors. ...
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What is Func, how and when is it used

What is Func<> and what is it used for? 7 Answers 7 ...
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How to uninstall the “Microsoft Advertising SDK” Visual Studio extension?

...or me) is the "Microsoft Advertising SDK for Windows 8.1". I like to uninstall extensions I don't need, but this one won't allow me. if I hover the (enabled!) button it says in a tooltip: ...