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How to check whether a pandas DataFrame is empty?
How to check whether a pandas DataFrame is empty? In my case I want to print some message in terminal if the DataFrame is empty.
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Compare version numbers without using split function
How do I compare version numbers?
5 Answers
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dplyr summarise: Equivalent of “.drop=FALSE” to keep groups with zero length in output
When using summarise with plyr 's ddply function, empty categories are dropped by default. You can change this behavior by adding .drop = FALSE . However, this doesn't work when using summarise with dplyr . Is there another way to keep empty categories in the result?
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Why doesn't println! work in Rust unit tests?
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vertical & horizontal lines in matplotlib
I do not quite understand why I am unable to create horizontal and vertical lines at specified limits. I would like to bound the data by this box. However, the sides do not seem to comply with my instructions. Why is this?
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Android gradle: buildtoolsVersion vs compileSdkVersion
What's the difference between buildtoolsVersion vs compileSdkVersion in the build.gradle for an Android project?
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Why can't I center with margin: 0 auto?
...d list. I have applied margin: 0 auto to the unordered list but it won't center it within the header div.
5 Answers
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float64 with pandas to_csv
I'm reading a CSV with float numbers like this:
2 Answers
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Unrecognized attribute 'targetFramework'. Note that attribute names are case-sensitive
...owed by IIS in window 7. when building a website in .net framework 4.0 and convert this into application in IIS then its shows this error
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Tools for analyzing performance of a Haskell program
While solving some Project Euler Problems to learn Haskell (so currently I'm a completly beginner) I came over Problem 12 . I wrote this (naive) solution:
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