Mr. Squig questions

Mr. Squig answers

• How can I test if a string refers to a file or directory? with regular expressions? in python?
• How to convert data values into color information for matplotlib?
• unique plot marker for each plot in matplotlib
• How to make custom legend in matplotlib
• Matplotlib: draw a series of radial lines on PolarAxes
• python - matplotlib - Create a multiline graph with results summary underneath