Recasting Low-Cardinality Columns as Categoricals
Downcast strings in Pandas to their proper data-types using HDF5.
PowerPivot 2: What's the Deal with Delimiters?
Working with large flat files in PowerPivot.
Removing Duplicate Columns in Pandas
Dealing with duplicate column names in your Pandas DataFrame.
Using Hierarchical Indexes With Pandas
Use Panda's Multiindex to make your data work harder for you.
Managing Flask Session Variables
Using Flask-Session and Flask-Redis to store user session variables.
Power to the Pivot Redux: Enter PowerPivot
Dipping into Microsoft's PowerPivot add-on for Excel.
Reshaping Pandas DataFrames
A guide to DataFrame manipulation using groupby, melt, pivot tables, pivot, transpose, and stack.
Structured Streaming in PySpark
Become familiar with building a structured stream in PySpark using the Databricks interface.
DataFrame Transformations in PySpark (Continued)
Continuing to apply transformations to Spark DataFrames using PySpark.
Fixing your NPM Installation
Fixing an npm installation gone wrong when 'sudo' is misused.
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