| # inspired by https://gist.github.com/archan937/f441146e1aeaa9da138e337514ee4000 | |
| require "net-telnet" | |
| def keys(hosts, port, pattern = nil) | |
| [hosts].flatten.each do |host| | |
| slabs = {} | |
| telnet = Net::Telnet::new("Host" => host, "Port" => port, "Timeout" => 30) | |
| telnet.cmd("String" => "stats items", "Match" => /^END/) do |stats| | |
| slabs = Hash[stats.scan(/STAT items:(\d+):number (\d+)/)] |
| sudo add-apt-repository ppa:pitti/postgresql | |
| sudo apt-get update | |
| sudo apt-get install postgresql-9.2 postgresql-server-dev-9.2 postgresql-contrib-9.2 | |
| sudo su -l postgres | |
| # http://makandracards.com/makandra/18643-how-the-change-the-locale-of-a-postgresql-cluster | |
| pg_lsclusters | |
| pg_dropcluster --stop 9.2 main | |
| pg_createcluster --start 9.2 main # --locale en_AU.UTF-8 <-- set this based on the current cluster's locale |
| #!/usr/bin/env ruby | |
| # based on https://gist.github.com/bestie/1223064 | |
| # Ensures that if a new migration is added, rake db:migrate is also run (and thus the schema.rb file is updated) | |
| def schema_modified? | |
| %x[ git status |grep schema.rb ] != '' | |
| end | |
| # regex for typical migration |
Before submitting a credit card to a payment gateway it's important that we run some sanity checks on the number.
A common check that is performed upfront is to validate the card type based on the starting digits and length of card number. The main patterns that we care about are as follows:
+============+=============+===============+
| Card Type | Begins With | Number Length |