Tagged articles

map function

3 articles · Page 1 of 1

Jul 6, 2024 · Big Data

Learning Spark Operations with Java Stream Concepts: Map, FlatMap, GroupBy, Reduce Examples

This article demonstrates how Java Stream operations such as map, flatMap, groupBy, and reduce can be directly applied to Spark, providing step‑by‑step code examples, explanations of transformation versus action operators, and practical tips for handling exceptions in distributed data processing.

Java StreamSparkflatMap

0 likes · 25 min read

Learning Spark Operations with Java Stream Concepts: Map, FlatMap, GroupBy, Reduce Examples

Python Crawling & Data Mining

Nov 7, 2022 · Fundamentals

Mastering Pandas: Using map and str.contains for Flexible Data Replacement

This article walks through a real‑world Pandas question, showing how to apply the map function, replace method, and str.contains() to transform column values, with step‑by‑step code examples and explanations.

PandasPythoncode-example

0 likes · 3 min read

Mastering Pandas: Using map and str.contains for Flexible Data Replacement

MaGe Linux Operations

Jun 10, 2022 · Fundamentals

Why Traditional Python Threading Tutorials Fail and How a Simple map Boosts Speed

This article critiques heavyweight Python threading tutorials, explains why the built‑in map function combined with multiprocessing or multiprocessing.dummy offers a concise, efficient way to parallelize I/O‑ and CPU‑bound tasks, and demonstrates dramatic speed‑ups with real code examples.

PythonThread Poolmap function

0 likes · 13 min read

Why Traditional Python Threading Tutorials Fail and How a Simple map Boosts Speed