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Ruby data processing : using map, reduce, and select /
Gain the basics of Ruby's map, reduce, and select functions and discover how to use them to solve data-processing problems. This compact hands-on book explains how you can encode certain complex programs in 10 lines of Ruby code, an astonishingly small number. You will walk through problems and...
| Call Number: | Libro Electrónico |
|---|---|
| Main Author: | |
| Format: | Electronic eBook |
| Language: | Inglés |
| Published: |
New York :
Apress,
[2018]
|
| Subjects: | |
| Online Access: | Texto completo (Requiere registro previo con correo institucional) |
Table of Contents:
- Intro; Table of Contents; About the Author; About the Technical Reviewer; Acknowledgments; Introduction; Prerequisites; Chapter 1: Basic Ruby; The Command Line; Object Scope; String; Array; Special Methods; Hash; Block-passing Syntax; Reading from Files; Chapter 2: Function Overview and Simple Examples; Map; Reduce; Simple Reduce Examples; uniq; reverse; max; Select; Chapter 3: Complex Solutions; Debugging Blocks for Map, Reduce, and Select; Debugging Map Blocks; Debugging Reduce Blocks; Debugging Select Blocks; FizzBuzz; Sum of Odd Cubes; Sort a List of Names by Surname.
- Convert a List of Names to CSVGenerate a Random List of Names; Clean a Data Set; Annotate a Sequence of Sales with Running Total; Pascalâ#x80;#x99;s Triangle; Reverse Polish Notation Parser; Generate a List of Team Name Bars; Find Intersection Points of Two Functions; Group by Area Code; Sliding Window Average; Denormalize a Data Set; Pythagorean Triplets; Chapter 4: Reverse-Engineering Complex Solutions; Solution for Pascalâ#x80;#x99;s Triangle; Index.