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Drop rows with all zeros in pandas data frame
I can use pandas dropna() functionality to remove rows with some or all columns set as NA 's. Is there an equivalent function for dropping rows with all columns having value 0?
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How to highlight and color gdb output during interactive debugging?
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Wow! Thanks! I've been looking for a long time for a nice graphical shell around gdb, and I have tried xxgdb, kgdb and ddd, but none of them worked very good for me, so I've stuck with the plain old command line interface. But this is absolutely perfect!
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Haskell Type vs Data Constructor
...f named fields that hold various different types of data. You can also sometimes make an "enumeration", which has a (small) set of fixed possible values (e.g., your Red, Green and Blue).
In Haskell, you can combine both of these at the same time. Weird, but true!
Why is it called "algebraic"? Well...
Converting a string to int in Groovy
I have a String that represents an integer value and would like to convert it to an int . Is there a groovy equivalent of Java's Integer.parseInt(String) ?
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Reading CSV files using C#
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Sometimes using libraries are cool when you do not want to reinvent the wheel, but in this case one can do the same job with fewer lines of code and easier to read compared to using libraries.
Here is a different approach which I...
How to tag an older commit in Git?
... -s v1.0.1
The page "How to Tag in Git" shows us that we can extract the time of the HEAD commit via:
git show --format=%aD | head -1
#=> Wed, 12 Feb 2014 12:36:47 -0700
We could extract the date of a specific commit via:
GIT_COMMITTER_DATE="$(git show 9fceb02 --format=%aD | head -1)" \
git t...
How to get the name of enumeration value in Swift?
If I have an enumeration with raw Integer values:
12 Answers
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Skip callbacks on Factory Girl and Rspec
...n, this happens, so it's quite likely that this will be triggered multiple times for a factory.
– slhck
Jan 7 at 14:00
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How do you diff a directory for only files of a specific type?
I have a question about the diff command
if I want a recursive directory diff but only for a specific file type, how to do that?
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How to display pandas DataFrame of floats using a format string for columns?
I would like to display a pandas dataframe with a given format using print() and the IPython display() . For example:
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