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How to calculate a logistic sigmoid function in Python?
... array can yield some errors, like: TypeError: only length-1 arrays can be converted to Python scalars. To avoid it you should use numpy.exp.
– ViniciusArruda
Nov 23 '17 at 13:41
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What's the best way to model recurring events in a calendar application?
...ically display them when one looks ahead on the calendar, but I'll have to convert them to a normal event if someone wants to change the details on a particular instance of the event.
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How to remove convexity defects in a Sudoku square?
...by dividing each pixel with the result of a closing operation:
src = ColorConvert[Import["http://davemark.com/images/sudoku.jpg"], "Grayscale"];
white = Closing[src, DiskMatrix[5]];
srcAdjusted = Image[ImageData[src]/ImageData[white]]
The next step is to find the sudoku area, so I can ignore (m...
Format JavaScript date as yyyy-mm-dd
I have a date with the format Sun May 11,2014 . How can I convert it to 2014-05-11 using JavaScript?
42 Answers
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what is the best way to convert a json formatted key value pair to ruby hash with symbol as key?
I am wondering what is the best way to convert a json formatted key value pair to ruby hash with symbol as key:
example:
7...
Convert a python 'type' object to a string
I'm wondering how to convert a python 'type' object into a string using python's reflective capabilities.
5 Answers
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How to convert a private key to an RSA private key?
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To Convert "BEGIN OPENSSH PRIVATE KEY" to "BEGIN RSA PRIVATE KEY"
ssh-keygen -p -m PEM -f ~/.ssh/id_rsa
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Converting a Pandas GroupBy output from Series to DataFrame
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Maybe I misunderstand the question but if you want to convert the groupby back to a dataframe you can use .to_frame(). I wanted to reset the index when I did this so I included that part as well.
example code unrelated to question
df = df['TIME'].groupby(df['Name']).min()
df ...
How should I cast in VB.NET?
...thing. I think it is basically the same as CType.
CType(var, String) will convert the given type into a string, using any provided conversion operators.
DirectCast(var, String) is used to up-cast an object into a string. If you know that an object variable is, in fact, a string, use this. This is...
convert streamed buffers to utf8-string
...fer
If you have a single Buffer you can use its toString method that will convert all or part of the binary contents to a string using a specific encoding. It defaults to utf8 if you don't provide a parameter, but I've explicitly set the encoding in this example.
var req = http.request(reqOptions,...