leomayleomay

class Foo
  def foo
    h1 # this is allowed
  end

  def self.bar
    h1 # this is not allowed
  end

  private

leomayleomay

class A
  a = 1
end

how could I get the value of a outside of class A?

A.send(:local_variables) 
=> ["_"]

there's no local variables named a in the class A. 

leomayleomay

$ nanite-agent --token bob

[Sat, 31 Oct 2009 20:39:58 +0800] INFO: [setup] setting log level to INFO
[Sat, 31 Oct 2009 20:39:58 +0800] INFO: [setup] setting log level to INFO
[Sat, 31 Oct 2009 20:39:58 +0800] INFO: [setup] loading /Users/hliu/Sandbox/nanite/examples/simpleagent/actors/simple.rb
[Sat, 31 Oct 2009 20:39:58 +0800] INFO: [actor] Simple
[Sat, 31 Oct 2009 20:39:58 +0800] INFO: SEND [register] bob, services: /simple/echo, /simple/time, /simple/gems, /simple/yielding, /simple/delayed, tags: 
[Sat, 31 Oct 2009 20:40:13 +0800] INFO: RECV [advertise]
[Sat, 31 Oct 2009 20:40:13 +0800] INFO: SEND [register] bob, services: /simple/echo, /simple/time, /simple/gems, /simple/yielding, /simple/delayed, tags: 
[Sat, 31 Oct 2009 20:40:27 +0800] INFO: RECV [request] <a73fc2ba6daaf3d3545d081346907e24> /simple/echo from mapper

leomayleomay

$ ./cli.rb 
[Sat, 31 Oct 2009 20:40:11 +0800] INFO: [setup] setting log level to INFO
[Sat, 31 Oct 2009 20:40:11 +0800] INFO: [setup] setting log level to INFO
[Sat, 31 Oct 2009 20:40:11 +0800] INFO: [setup] starting mapper
[Sat, 31 Oct 2009 20:40:13 +0800] INFO: SEND [advertise] to nanite-bob
[Sat, 31 Oct 2009 20:40:13 +0800] INFO: RECV [register] bob, services: /simple/echo, /simple/time, /simple/gems, /simple/yielding, /simple/delayed, tags: 
[Sat, 31 Oct 2009 20:40:27 +0800] INFO: SEND [request] <a73fc2ba6daaf3d3545d081346907e24> /simple/echo from mapper to bob
[Sat, 31 Oct 2009 20:40:41 +0800] INFO: Nanite nanite-bob timed out

leomayleomay

system '/usr/bin/scp hekin@remote_machine:/home/hekin/test .'

leomayleomay

author.posts.find(:last, :conditions => ["tag = ?", 'Ruby'], :order => "updated_at ASC")

leomayleomay

function isNumeric(val) {
	return !isNaN(val.split(",").join(""));
}

function isCurrency(val, options) {
	var val = val.replace(/^\$?/, '');
	return isNumeric(val);
}

leomayleomay

An error has occurred, all later migrations canceled:

undefined method `set_price' for #<Order:0xc943728>

leomayleomay

$ diff debugger console 
1a2,7
> AASM::Persistence::ActiveRecordPersistence::WriteStateWithoutPersistence
> AASM::Persistence::ActiveRecordPersistence::WriteState
> AASM::Persistence::ActiveRecordPersistence::ReadState
> AASM::Persistence::ActiveRecordPersistence::InstanceMethods
> AASM::Persistence::ActiveRecordPersistence
> AASM
30d35
< Delayed::MessageSending

leomayleomay

Say I have a Person model, 

app/models/person.rb

class Person < ActiveRecord::Base
  validates_uniquess_of :name
end

db/migrate/2010009912_add_index_to_people.rb