Craig questions

Craig answers

• Why I can't use join for a list of objects that implement __str__?
• Match unescaped quotes in quoted csv
• boolean operation with groupby in pandas
• superimpose matplotlib quiver on image
• how to set Xticks according to key from a dictionary
• scipy interp1d extrapolation method fill_value = tuple not working
• Best Fit Line on Log Log Scales in python 2.7
• Q: [Pandas] How to efficiently assign unique ID to individuals with multiple entries based on name in very large df
• pandas: replace NaN with the last non-NaN value in column [duplicate]
• Plotting columns of DataFrame as scatterplots against same y-column