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Normalize data in pandas
Suppose I have a pandas data frame df :
5 Answers
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Finding # occurrences of a character in a string in Ruby
I'm looking for the Ruby method (1.9...) that can help me find the number of occurrences of a character in a string. I'm looking for all occurrences, not just the first one.
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JavaScript unit test tools for TDD
I've looked into and considered many JavaScript unit tests and testing tools, but have been unable to find a suitable option to remain fully TDD compliant. So, is there a JavaScript unit test tool that is fully TDD compliant?
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How to smooth a curve in the right way?
Lets assume we have a dataset which might be given approximately by
9 Answers
9
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What is the purpose of the : (colon) GNU Bash builtin?
What is the purpose of a command that does nothing, being little more than a comment leader, but is actually a shell builtin in and of itself?
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What exactly does the .join() method do?
I'm pretty new to Python and am completely confused by .join() which I have read is the preferred method for concatenating strings.
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How do I load a file into the python console?
I have some lines of python code that I'm continuously copying/pasting into the python console. Is there a load command or something I can run? e.g. load file.py
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When should I use C++ private inheritance?
Unlike protected inheritance, C++ private inheritance found its way into mainstream C++ development. However, I still haven't found a good use for it.
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In MVVM should the ViewModel or Model implement INotifyPropertyChanged?
Most MVVM examples I have worked through have had the Model implement INotifyPropertyChanged , but in Josh Smith's CommandSink example the ViewModel implements INotifyPropertyChanged .
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How can I check for Python version in a program that uses new language features?
If I have a Python script that requires at least a particular
version of Python, what is the correct way to fail gracefully
when an earlier version of Python is used to launch the script?
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