Unnikrishnan KP unnitallman

unnitallman / JS email validation (from btt's old contact-admin form)

Created September 28, 2010 02:25

	<script type="text/javascript">
	function validate_contact_admin_form(form_id) {
	var reg = /^([A-Za-z0-9_\-\.])+\@([A-Za-z0-9_\-\.])+\.([A-Za-z]{2,4})$/;
	var address = document.forms[form_id].elements['email'].value;
	if(reg.test(address) == false) {
	alert('Invalid Email Address');
	return false;
	}
	}
	</script>

unnitallman / gist:944011

Created April 27, 2011 10:11

sqlite with activerecord outside rails

	require 'active_record'

	ActiveRecord::Base.logger = Logger.new(STDERR)
	ActiveRecord::Base.colorize_logging = false

	ActiveRecord::Base.establish_connection(
	:adapter => "sqlite3",
	:dbfile => ":memory:"
	)

unnitallman / gist:1010056

Created June 6, 2011 10:36

Setting a cookie with an expiry time

cookies[:survey_user_id] = { :value => self.current_user.id.to_s, :expires => 1.year.from_now }

unnitallman / gist:1153108

Created August 18, 2011 01:47

FTP with Ruby

	require 'net/ftp'

	ftp=Net::FTP.new
	ftp.connect(URL,21)
	ftp.login(username,passwd)
	ftp.chdir(directory)
	ftp.getbinaryfile(filename)
	ftp.close

	http://ruby-doc.org/stdlib/libdoc/net/ftp/rdoc/index.html

unnitallman / gist:1188060

Created September 2, 2011 06:50

Specifying rails version to use when creating a new application

rails _2.2.2_ myapp

unnitallman / connection_fix.rb

Created September 3, 2011 09:13 — forked from defunkt/connection_fix.rb

MySQL server has gone away fix

	# If your workers are inactive for a long period of time, they'll lose
	# their MySQL connection.
	#
	# This hack ensures we re-connect whenever a connection is
	# lost. Because, really. why not?
	#
	# Stick this in RAILS_ROOT/config/initializers/connection_fix.rb (or somewhere similar)
	#
	# From:
	# http://coderrr.wordpress.com/2009/01/08/activerecord-threading-issues-and-resolutions/

unnitallman / gist:1237177

Created September 23, 2011 11:47

Typecasting a base class object to a derived class object

	u = User.find(id)
	u = u.becomes(u.type.constantize)

unnitallman / gist:1247809

Created September 28, 2011 12:28

Adding query string to a url

	>> callback = Addressable::URI.parse("http://unni.com")
	=> #<Addressable::URI:0x810ab0b4 URI:http://unni.com>
	>> callback.query_values = callback.query_values ? callback.query_values.merge({"angry" => "birds"}) : {"angry" => "birds"}
	=> {"angry"=>"birds"}
	>> callback.to_s
	=> "http://unni.com?angry=birds"

	>> callback = Addressable::URI.parse("http://unni.com?nikhil=krishna")
	=> #<Addressable::URI:0x8109fc8c URI:http://unni.com?nikhil=krishna>
	>> callback.query_values = callback.query_values ? callback.query_values.merge({"angry" => "birds"}) : {"angry" => "birds"}

unnitallman / gist:1266826

Created October 6, 2011 08:17

Downgrading rubygems

sudo gem update --system 1.3.5

unnitallman / gist:1280308

Created October 12, 2011 04:47

Use a specific rubygems version with RVM

rvm rubygems 1.3.5