on-demand course

Effective Ruby

with Peter Jones / Sam Phippen

July 2015

Intermediate to advanced

4h 6m

English

Pearson

Closed Captioning available in English, Japanese, Korean, Chinese (Simplified), Chinese (Traditional)

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Course outline

Effective Ruby LiveLessons: Introduction
4m 13s
Learning Objectives
47s
Item 1 Duplicate collections you receive as arguments
8m 9s
Item 2 Use Set for efficient presence checks
7m 36s
Item 3 Consider using a default hash value
6m 9s
Item 4 Use Hash#fetch over Hash#[]
7m 54s
Item 5 Prefer decorating collections
12m 58s
Learning Objectives
43s
Item 6 Avoid using class variables
6m 30s
Item 7 Avoid using class methods
5m 56s
Item 8 Obey the Law of Demeter
7m 17s
Item 9 Prefer methods over instance variables
5m 46s
Item 10 Prefer methods over constants
4m 10s
Item 11 Use the === protocol for matching tasks
6m 29s
Learning Objectives
45s
Item 12 Use only one assertion or expectation per test
6m 57s
Item 13 Order your tests with the arrange, act, and assert pattern
8m 49s
Item 14 Run your tests in a random order
5m 7s
Item 15 Prefer spies to mocks or stubs
12m 10s
Item 16 Use Rack::Test for integration testing
7m 55s
Learning Objectives
57s
Item 17 Prefer enumerable methods
56s
Item 17.1 Use zip and each_with_index
10m 59s
Item 17.2 Use each_slice and each_con
8m 50s
Item 17.3 Use partition, select, and find
17m 54s
Item 17.4 Use group_by, reduce, and each_with_object
16m 15s
Item 17.5 Implement your own enumerable
4m 46s
Item 18 Prefer lambda instead of proc
8m 23s
Item 19 Use Symbol#to_proc where appropriate
4m 2s
Item 20 Use #method to pass instance methods as callables
4m 42s
Item 21 Use {} for blocks that return and do..end for blocks that mutate
7m 0s
Learning Objectives
40s
Item 22 Use block forms for IO
4m 45s
Item 23 Understand the difference between Time, DateTime, and Date
6m 40s
Item 24 Do HTTP requests with Net::HTTP
6m 58s
Item 25 Prefer file methods over manual path manipulation
1m 32s
Item 25.1 Use #absolute_path, #dirname, and __FILE__ to be OS independent
5m 27s
Item 25.2 Use File.extname to determine file type
3m 51s
Item 25.3 Use File.join to build file paths safely
3m 45s
Effective Ruby LiveLessons: Summary
2m 4s

Content preview from Effective Ruby

Item 13 Order your tests with the arrange, act, and assert pattern

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Publisher Resources

ISBN: 9780134175416Other

Effective Ruby

with Peter Jones / Sam Phippen

Introduction

Lesson 1: Arrays and Hashes

Lesson 2: Seams

Lesson 3: Testing

Lesson 4: Enumerables and Callables

Lesson 5: The Standard Library

Summary

Content preview from Effective Ruby

Item 13 Order your tests with the arrange, act, and assert pattern

Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
and much more.