Python

Naming and conventions

Nom	Description
`_foo`	Variable/method is private
`foo_`	Avoid naming conflict with reserved keywords
`__foo`	Name mangling: will add the class name as prefix → `_ClassName__foo`
`__foo__`	Special attribute/method provided by Python
`_`	Temporary/throaway variable

pythoncheatsheet.org – Big general online cheatsheet
automatetheboringstuff.com – Open source book about automation with Python
patrickwalls.github.io/mathematicalpython – An introduction to mathematical computing with Python