Dean MacGregor

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Dean MacGregor has asked 22 questions and find answers to 52 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

Get list of column names with values > 0 for every row in polars
Proper way to process larger-than-memory datasets in Polars
How to apply rolling_map() in Python Polars for a function that uses multiple input columns
Error when reading a parquet file with polars which was saved with pandas
Grouping by resetting cumulative sum
Applying Python UDF function per row in a polars dataframe throws unexpected exception 'expected tuple, got list'
Reading partitioned multi-schema parquet files from S3 using Polars
Polars Reading Files Causing Errors
data.table join (multiple) selected columns with new names
Polars - Filter DataFrame using another DataFrame's row's