Lukasz questions

• Regex: Replacing only one occurrence
• Pandas groupby datetime, getting the count and price
• Outputting coefficients when running linear regression using sklearn
• Remove trailing white space from elements in a list
• ES6 Importing npm module
• Creating a Pandas dataframe from elements of a dictionary
• JComboBox Error
• Pandas concat dictionary to dataframe
• Sklearn changing string class label to int
• Plotting a dataframe as both a 'hist' and 'kde' on the same plot

Lukasz answers