Fabian Lee : Software Engineer

Python: flattening exported csv relational data with pandas

December 9, 2021
Categories: Python

If your data is coming from CSV dumps of relational database tables, then you probably need to flatten the data before starting the training or analysis. It requires an understanding of the relational schema so you can specify the foreign key lookups, but from that pandas can reconstruct the relationships and produce a single flattened … Python: flattening exported csv relational data with pandas

SaltStack: Setting a jinja2 variable from an inner block scope

October 18, 2016
Categories: DevOps

When using jinja2 for SaltStack formulas you may be surprised to find that your global scoped variables do not have ability to be modified inside a loop. Although this is counter intuitive given the scope behavior of most scripting languages it is unfortunately the case that a jinja2 globally scoped variable cannot be modified from … SaltStack: Setting a jinja2 variable from an inner block scope