Pigna questions

• Julia type questions
• python: why does replace not work?
• python pdfkit: increase font size
• parse input to rational in Julia
• list of n zeros in Haskell
• Flutter: how to get parent widget variable?
• Should a ! function return anything?
• Flutter: how to create a non-final property for a StatefulWidget?
• SimpleHTTPServer: other devices can't connect to the server
• Julia: @time a set of functions

Pigna answers