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class Dog < Animal | |
end |
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class Cat < Animal | |
def to_s | |
"I'm #{name}, I have #{age} years and I weigh #{weight} (but I have lost some kg)." | |
end | |
end |
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p garfield.class | |
# Cat | |
p garfield.class.ancestors | |
# [Cat, Animal, Object, Kernel] | |
p garfield.methods.sort | |
# ["==", "===", "=~", "__id__", "__send__", "age", "age=", "bigger?", "class", "clone", "display", "dup", "enum_for", "eql?", "equal?", "extend", "freeze", "frozen?", "hash", "id", "inspect", "instance_eval", "instance_exec", "instance_of?", "instance_variable_defined?", "instance_variable_get", "instance_variable_set", "instance_variables", "is_a?", "kind_of?", "method", "methods", "name", "name=", "nil?", "object_id", "older?", "private_methods", "protected_methods", "public_methods", "respond_to?", "send", "singleton_methods", "taint", "tainted?", "tap", "to_a", "to_enum", "to_s", "type", "untaint", "weight="] | |
p garfield.methods(false) | |
# [] | |
# Object.const_get("RUBY_VERSION") |
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class Cat | |
STATES = ["hungry", "sated"].freeze | |
attr_accessor :state | |
STATES.each do |state| | |
define_method "#{state}?" do | |
state == self.state | |
end | |
end |
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p garfield.send :weight | |
# 10 | |
Cat.send :public, :weight | |
p garfield.weight | |
# 10 |
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curl get.pow.cx | sh |
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ln -s /mon/app ~/.pow/ |
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require File.dirname(__FILE__) + '/config/environment' | |
run ActionController::Dispatcher.new |
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touch tmp/restart.txt |
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group :development do | |
gem 'guard-pow' | |
end |