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data.table vs dplyr: can one do something well the other can't or does poorly?
... some powerful features, all while maintaining the consistency in syntax.
1. Speed
Quite a few benchmarks (though mostly on grouping operations) have been added to the question already showing data.table gets faster than dplyr as the number of groups and/or rows to group by increase, including ben...
Can the C# interactive window interact with my code?
In Visual Studio 2015 or later, I can open the 'C# interactive window', and run code:
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Displaying better error message than “No JSON object could be decoded”
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Input and output numpy arrays to h5py
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h5py provides a model of datasets and groups. The former is basically arrays and the latter yo...
What is the “hasClass” function with plain JavaScript?
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How can I randomize the lines in a file using standard tools on Red Hat Linux?
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What is the difference between Linq to XML Descendants and Elements
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Here is an example demonstrating the difference:
<?xml version="1.0" encoding="utf-8" ?>
<foo>
<bar>Test 1</bar>
<baz>
<bar>Test 2</bar>
</baz>
<bar>Test 3</bar>
</foo>
Code:
XDocument doc = XDocumen...
Putting a simple if-then-else statement on one line [duplicate]
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That's more specifically a ternary operator expression than an if-then, here's the python syn...
How to create named and latest tag in Docker?
Supposed I have an image that I want to tag as 0.10.24 (in my case it's an image containing Node.js 0.10.24). I built that image using a Dockerfile and executing docker build and by providing a tag using the -t parameter.
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ImportError in importing from sklearn: cannot import name check_build
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