stevenbristol

# called in main
pry(main)> local_variables
=> [:__, :_, :_dir_, :_file_, :_ex_, :_pry_, :_out_, :_in_, :_erbout]

# called in method with no local vars
pry(main)> def a; local_variables; end
=> nil
pry(main)> a
=> []

stevenbristol

.sign_up_in_content
  = simple_form_for(resource, :as => resource_name, :url => registration_path(resource_name)) 
  = simple_form_for(resource, :as => resource_name, :url => registration_path(resource_name)) do |f|
    %span
      = f.input :email, :input_html => {:placeholder => 'Email'}
    %span

stevenbristol

scope by_date, order("date desc")
scope stuff, -> (kind) {where("stuff = ?", kind)
scope pens, stuff("pen")
scope allans, stuff("allan").by_date

stevenbristol

class User < ActiveRecord::Base
  
  scope :hello, Proc.new { |param| param.blank? ? where("") : where("param = ?", param) }
  
end

User.hello(current_user_or_other_security_thig_or_somethng)

User.hello( "" )
User.hello

stevenbristol

class User < ActiveRecord::Base
  
  scope :hello_lamb, ->(param) { param.blank? ? where("") : where("param = ?", param) }
  scope :hello_proc, Proc.new { |param| param.blank? ? where("") : where("param = ?", param) }
  
end

User.hello_proc 
#  User Load (0.5ms)  SELECT * FROM users

stevenbristol

class User < ActiveRecord::Base
  
  scope :hello_lamb, ->(param) { param.blank? ? where("") : where("param = ?", param) }
  scope :hello_proc, Proc.new { |param| param.blank? ? where("") : where("param = ?", param) }
  
end

User.hello_lamb "a"
#  User Load (0.5ms)  SELECT * FROM users WHERE  (param = 'a') 
#=> #<ActiveRecord::Relation:0x3fe6eedeb984>

stevenbristol

class Thing
  def self.log str
    p str
  end  
  def test_log
    begin
      self.log "does not work"
    rescue Exception => e
      p e                       
    end                         

stevenbristol

module Mod
  module ClassMethods
    #put class methods here
  end
  
  module InstanceMethods
    #put instnace methods here
  end
  
  def self.included(receiver)

stevenbristol

module Log
  def Log.included cls
    cls.extend Log #also works by passing self, but Log is less confusing
  end
  def log str
    p str
  end  
end

class Thing

stevenbristol

st_hash(const void *ptr, size_t len, st_index_t h)
{
    const char *data = ptr;
    st_index_t t = 0;

    h += 0xdeadbeef;

#define data_at(n) (st_index_t)((unsigned char)data[(n)])
#define UNALIGNED_ADD_4 UNALIGNED_ADD(2); UNALIGNED_ADD(1); UNALIGNED_ADD(0)
#if SIZEOF_ST_INDEX_T > 4