vipulnsward

simplejson==3.8.1
requests==2.6.0
robotframework==2.9.2
robotframework-selenium2library==1.7.4
robotframework-pabot==0.20

vipulnsward

Keybase proof

I hereby claim:

• I am vipulnsward on github.
• I am vipulnsward (https://keybase.io/vipulnsward) on keybase.
• I have a public key ASDZmmQCKw8hgS-vLO6etlbk41-Og9OjEN3c1u5fMv6B4Qo

To claim this, I am signing this object:

vipulnsward

(main)> price_greater_than_200 = NSPredicate.predicateWithFormat("price > 200")
=> #<NSComparisonPredicate:0x1293bc50>
(main)> products.filteredArrayUsingPredicate(price_greater_than_200)
=> [#<Product:0x9b4f780 @name="iPad Mini" @price=329 @launched_on=2012-11-02 00:00:00 +0530>, #<Product:0x9b4fac0 @name="MacBook Pro" @price=1699 @launched_on=2012-06-11 00:00:00 +0530>, #<Product:0x9b4fe00 @name="iMac" @price=1299 @launched_on=2012-11-02 00:00:00 +0530>]
(main)> price_greater_than_equal = NSPredicate.predicateWithFormat("price >= 1299")
=> #<NSComparisonPredicate:0x9b1b740>
(main)> products.filteredArrayUsingPredicate(price_greater_than_equal)
=> [#<Product:0x9b4fac0 @name="MacBook Pro" @price=1699 @launched_on=2012-06-11 00:00:00 +0530>, #<Product:0x9b4fe00 @name="iMac" @price=1299 @launched_on=2012-11-02 00:00:00 +0530>]
(main)>> price_between = NSPredicate.predicateWithFormat("price BETWEEN {100 , 2000}")
=> #<NSComparisonPredicate:0x1293f3e0>

vipulnsward

(main)> iPadMiniPredicate = NSPredicate.predicateWithFormat("name = 'iPad Mini'")
=> #<NSComparisonPredicate:0x9d27250>
(main)> products.filteredArrayUsingPredicate(iPadMiniPredicate)
=> [#<Product:0x9b4f780 @name="iPad Mini" @price=329 @launched_on=2012-11-02 00:00:00 +0530>]
(main)> macbookProPredicate = NSPredicate.predicateWithFormat("name = 'MacBook Pro'")
=> #<NSComparisonPredicate:0x9d24d70>
(main)> products.filteredArrayUsingPredicate(macbookProPredicate)
=> [#<Product:0x9b4fac0 @name="MacBook Pro" @price=1699 @launched_on=2012-06-11 00:00:00 +0530>]

vipulnsward

(main)> products.valueForKeyPath("@count")
=> 4
(main)> products.valueForKeyPath("@sum.price")
=> 3526.0
(nil)? products.valueForKeyPath("@avg.price")
=> 881.5
(nil)? products.valueForKeyPath("@max.price")
=> 1699
(main)> products.valueForKeyPath("@min.launched_on")
=> 2012-06-11 00:00:00 +0530

vipulnsward

df = NSDateFormatter.alloc.init # Date Formatter
df.dateFormat = "yyyy-MM-dd"
Product.new("iPhone 5",   199,  df.dateFromString("2012-09-21")).price
products = [Product.new("iPhone 5",   199,  df.dateFromString("2012-09-21")),Product.new("iPad Mini",  329,  df.dateFromString("2012-11-02")),Product.new("MacBook Pro",1699, df.dateFromString("2012-06-11")),Product.new("iMac",       1299, df.dateFromString("2012-11-02"))]

vipulnsward

class Product

  def initialize(name, price, launched_on)
    @name, @price, @launched_on = name, price, launched_on
  end

  def name
    @name
  end

vipulnsward

# Object Counter for use in example on vipulnsward.com about Frozen 
# Strings in Ruby
module ObjectCounter
  def self.count
    GC.disable
    before_count = ObjectSpace.count_objects
    yield
    after_count  = ObjectSpace.count_objects
    after_count.each do |k,v|
      after_count[k] = v.to_i - before_count[k].to_i

vipulnsward

OS: Mac OSX Mountain Lion

make test

running API tests
............

OK (12 tests)

running GC tests

vipulnsward

def exists?(conditions = :none)
  return false if @association.owner.new_record?
  super(conditions)
end