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Q&A

Welcome to Software Development on Codidact!

Will you help us build our independent community of developers helping developers? We're small and trying to grow. We welcome questions about all aspects of software development, from design to code to QA and more. Got questions? Got answers? Got code you'd like someone to review? Please join us.

Posts tagged apache-spark

1 child tag

For questions about Apache Spark, a multi-language engine for executing data engineering, data science, and machine learning on single-node machines or clusters.

This tag doesn't have a detailed wiki yet.

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Q&A Run Spark code without Spark?

There's not always a Spark cluster on hand to test Spark code. Is there some simple program that you can install locally, which has the same behavior as Spark (can run normal Spark scripts) withou...

1 answer  ·  posted 7mo ago by matthewsnyder‭  ·  last activity 7mo ago by congusbongus‭

Question apache-spark
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Q&A How to get conditional running cumulative sum based on current row and previous rows?

How do I perform a running cumulative sum that is based on a condition involving the current row and previous rows? Given the following table: acc | value | threshold 3 | 1 | 1 1 | 2 ...

1 answer  ·  posted 8mo ago by congusbongus‭  ·  last activity 8mo ago by congusbongus‭