Dean MacGregor

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Dean MacGregor has asked 22 questions and find answers to 64 problems.

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Dean MacGregor questions

How to get output from Fiona instead of fiona.model object
How to incorporate projected columns in scanner into new dataset partitioning
Filter data.table by quantity of group
How to sign XML with xmlsec (or other more appropriate package)
Can shiny determine the use who logged in to nginx reverse proxy
How to get na.omit with data.table to only omit NAs in each column
RPostgreSQL connections are expired as soon as they are initiated with doParallel clusterEvalQ
Can't create dbConnect to Postgres with SSL
How to access google drive from compute engine
Download.file fails in RStudio

Dean MacGregor answers

How to count unique state combinations per ID in a Polars DataFrame
How to test if any date matches a specific year-month within each group in Polars?
Split a string and keep just one specific part
How to handle inconsistent columns (ragged rows) in a delimited file using Polars?
A scalable way of checking if a string column is contained within another string column in Polars
Python Polars: How to get the row count of a LazyFrame?
Python Polars: Low memory read, process, writing of parquet to/from Hadoop
Why can't I write to a BytesIO buffer directly in polars?
How can I efficiently get both a column and a scalar using Polars expressions?
Rolling linear regression slope over n rows by group