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Converting a column within pandas dataframe from int to string
I have a dataframe in pandas with mixed int and str data columns. I want to concatenate first the columns within the dataframe. To do that I have to convert an int column to str .
I've tried to do as follows:
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Python: Get the first character of the first string in a list?
How would I get the first character from the first string in a list in Python?
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Calling a Method From a String With the Method's Name in Ruby
How can I do what they are talking about here , but in Ruby?
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How do write IF ELSE statement in a MySQL query
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Shading a kernel density plot between two points.
...rnel density plots to illustrate distributions. These are easy and fast to create in R like so:
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How to convert 1 to true or 0 to false upon model fetch
...is set with true or false into a boolean/tinyint field in the database, which uses 1 or 0 .
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List All Redis Databases
I ran this command to access my redis server.
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leading zeros in rails
I have fields hr and min , both integers in my application. For hr field, if the user enters "1" I would like Rails to automatically pad it to "01" before saving it to the database. Also for the min field if the user enter "0" it should put in as "00".
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Is MATLAB OOP slow or am I doing something wrong?
I'm experimenting with MATLAB OOP , as a start I mimicked my C++'s Logger classes and I'm putting all my string helper functions in a String class, thinking it would be great to be able to do things like a + b , a == b , a.find( b ) instead
of strcat( a b ) , strcmp( a, b ) , retrieve first...
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I have the example code below. This works fine with all browsers except for browsers on mobile devices.
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