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before_validation :set_default_time
def set_default_time
  self.start_date ||= Time.now.beginning_of_day
  self.end_date ||= Time.now.end_of_day    
end
  

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clients = Client.limit(10)
 
clients.each do |client|
  puts client.address.postcode
end

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def index
  if stale?(:last_modified => @clients.maximum("updated_at"), :etag => @clients)
    respond_with @clients.as_json(:methods => [:emails_count, :phones_count, :communications_count])
  end
end

def show
  if stale?(@client)
    respond_with @client.to_json(:include => {
      :emails => {:limit => 10}, 

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  def touch
    @user.touch
    render :json => {"status" => "touched"}
  end

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config.json
reading-image.png

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2015-11-10T10:32:06.667094+00:00 app[worker.1]: 3 TID-owedgntl8 INFO: Booting Sidekiq 3.4.2 with redis options {:url=>"redis://h:REDACTED@ec2-54-217-238-169.eu-west-1.compute.amazonaws.com:10079", :network_timeout=>5}
2015-11-10T10:32:07.827346+00:00 app[worker.1]: FATAL:  sorry, too many clients already
2015-11-10T10:32:07.827358+00:00 app[worker.1]: /app/vendor/bundle/ruby/2.2.0/gems/activerecord-4.2.4/lib/active_record/connection_adapters/postgresql_adapter.rb:655:in `initialize'
2015-11-10T10:32:07.827366+00:00 app[worker.1]: /app/vendor/bundle/ruby/2.2.0/gems/activerecord-4.2.4/lib/active_record/connection_adapters/postgresql_adapter.rb:655:in `new'
2015-11-10T10:32:07.827367+00:00 app[worker.1]: /app/vendor/bundle/ruby/2.2.0/gems/activerecord-4.2.4/lib/active_record/connection_adapters/postgresql_adapter.rb:242:in `initialize'
2015-11-10T10:32:07.827368+00:00 app[worker.1]: /app/vendor/bundle/ruby/2.2.0/gems/activerecord-4.2.4/lib/active_record/connection_adapters/postgresql_adapter.rb:44:in `new'
2015-

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# SVG path string
path_string = "M,208,405C,208,405,206,744,206,744C,206,744,552,715,552,715C,552,715,590,451,590,451C,590,451,208,405,208,405"

# points will contain an array of arrays for each point of the path
points = Raphael.parsePathString(pe.attrs.path_string)

spline = new THREE.Shape()
spline.autoClose = true
_.each points, (p, i) ->
  switch p[0]

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Debugging & Profiling Node.js

This is a maintained listing of all the different ways to debug and profile Node.js applications. If there is something missing or an improvement, post a comment! :)

Interactive Stack Traces with traceGL - Shareware

1. Guide here

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# Open your terminal, navigate to the folder were the book.csv file is residing
# and type irb, when the interactive ruby console launches, type in the following
# it will print first 5 ISBN-13 numbers
require 'csv'
i = 0; CSV.foreach('book.csv', headers: :first_row, encoding: 'UTF-16LE:UTF-8') { |line| break if i == 5; puts line['isbn13']; i += 1 }

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create table mydata_real (id serial, date date, value text);
create table mydata_real_y2015 (check (date >= '2015-01-01' and date < '2016-01-01')) inherits (mydata_real);
create table mydata_real_y2016 (check (date >= '2016-01-01' and date < '2017-01-01')) inherits (mydata_real);

create function mydata_nope() returns trigger language plpgsql
  as $f$ begin raise exception 'insert on wrong table'; return NULL; end; $f$; 

create trigger mydata_nope before insert on mydata_real execute procedure mydata_nope();

create view mydata as select * from mydata_real;