Shitceptions

Wednesday, June 19, 13

github.com/theverything theverythingy

Active Support

Wednesday, June 19, 13

require 'active_support/all'require 'active_support/core_ext'require 'active_support/core_ext/hash'require 'active_support/core_ext/hash/slice'

Active Support all up in your Rails

To add it to any project

gem 'activesupport'

Wednesday, June 19, 13

Active Support adds extensions to...

Wednesday, June 19, 13

Active Support adds extensions to...Array, BigDecimal, Class, Date, DateTime, File, Float, Hash, Integer, Kernel, Module, Numeric, Object, Process, Range, String, and Time

Wednesday, June 19, 13

String "hello world".truncate(9)=> "hello ..."

'person'.pluralize=> "people"

'people'.singularize=> "person"

"hello world".titleize=> "Hello World"

"Hello World!!".parameterize=> "hello-world"

"hello_world".camelize=> "HelloWorld"

"HelloWorld".underscore=> "hello_world"

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Integer &Enumerable

1.ordinalize=> "1st"

2.ordinalize=> "2nd"

3.ordinalize=> "3rd"

4.ordinalize=> "4th"

[1, 2, 3, 4, 5].sum=> 15

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[1, 2, 3, 4, 5].second=> 2

[1, 2, 3, 4, 5].third=> 3

[1, 2, 3, 4, 5].fourth=> 4

[1, 2, 3, 4, 5].fifth=> 5

(1..100).to_a.forty_two=> 42

["one", "two", "three"].to_sentence=> "one, two, and three"

[1, 2, 3, 4, 5, 6, 7].in_groups_of(2)=> [[1, 2], [3, 4], [5, 6], [7, nil]]

Array

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[1, 2, 3, 4, 5].second=> 2

[1, 2, 3, 4, 5].third=> 3

[1, 2, 3, 4, 5].fourth=> 4

[1, 2, 3, 4, 5].fifth=> 5

(1..100).to_a.forty_two=> 42

["one", "two", "three"].to_sentence=> "one, two, and three"

[1, 2, 3, 4, 5, 6, 7].in_groups_of(2)=> [[1, 2], [3, 4], [5, 6], [7, nil]]

Array

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Hash{ one: "hello", two: "world", three: "yay" }.to_query=> "one=hello&three=yay&two=world"

{ one: "hello", two: "world", three: "yay" }.slice(:one, :three)=> {:one=>"hello", :three=>"yay"}

{ one: "hello", two: "world", three: "yay" }.except(:one)=> {:two=>"world", :three=>"yay"}

Wednesday, June 19, 13

to_param

["one", "two", "three"].to_param=> "one/two/three"

class Post < ActiveRecord::Base def to_param "#{created_at.strftime("%m-%d-%y")}-

#{title.parameterize}" endend

post_path(@post) # => "6-19-13-hello-world"

Wednesday, June 19, 13

Questions?

github.com/theverything theverythingy

Wednesday, June 19, 13