Sim

Sim has asked 48 questions and find answers to 53 problems.

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Sim questions

Scala optional pattern matching
MongoDB: mapReduce side-effects
R reshaping melted data.table with list column
High-performance big data manipulation in R
Efficient GROUP BY a CASE expression in Amazon Redshift/PostgreSQL
Does Spark SQL include a table streaming optimization for joins?
Pivot a table with Amazon RedShift
ggplot: percentile lines by group automation
Exporting an environment from an R package
R: caching/memoise for environments

Sim answers

Spark job with large text file in gzip format
How to parse host out of a string in Redshift?
Remove duplicates within Spark array column
Creating custom Object ID in MongoDB
Databricks - Displaying a Dataframe and printing a string
Unzip folder stored in Azure Databricks FileStore
How to resolve : Very large size tasks in spark
How to get print output for debugging map/reduce in Mongoid?
Spark - Reading many small parquet files gets status of each file before hand
MongoDB shell: reading a line from the console