http://www.andrewmcdonough.com/wiki/ 2009-08-21T21:22:56+00:00 http://www.andrewmcdonough.com/wiki/ http://www.andrewmcdonough.com/wiki/lib/images/favicon.ico text/html 2009-08-20T15:41:11+00:00 Andrew McDonough http://www.andrewmcdonough.com/wiki/bash bash Header #!/bin/bash Variables Assignment X="hello" note that there should be no space on either side of the equals sign Referring to echo $X Conditionals if [ condition ] then statements else more statements fi Operators Operator Meaning -eq Integer equality -neq Integer inequality -lt Integer less than -le Integer less than or equal to -gt Integer greater than -ge Integer greater than or equal to = String equality != String I… text/html 2009-06-03T10:59:54+00:00 Andrew McDonough http://www.andrewmcdonough.com/wiki/smtp SMTP is the standard protocol used to deliver email. How to send email via SMTP In this example, I will demonstrate how to send an email to the email address someuser@andrewmcdonough.com Identifying the MX record for the domain First, find the MX record for the domain you wish to send email to: text/html 2009-06-02T11:41:27+00:00 Andrew McDonough http://www.andrewmcdonough.com/wiki/ruby Ruby is an object oriented scripting language. Ruby is of particular interest because of the popular framework Ruby on Rails Getting Started Command line ruby irb --simple-prompt Documentation ri ClassName ri ClassName#method_name Command line arguments Use the ARGV array: text/html 2009-05-12T17:48:14+00:00 Andrew McDonough http://www.andrewmcdonough.com/wiki/pdfwriter PDF Writer is a library for creating PDFs. Installation gem install pdf-writer Configuration In config/environment.rb require 'pdf/writer' require 'pdf/simpletable' # If you want to be able to draw tables Mime::Type.register 'application/pdf', :pdf Usage pdf = PDF::Writer.new(:paper => "A4") pdf.text "This is some text", :font_size => 8, :justification => :center pdf.render Tables text/html 2009-05-12T17:44:09+00:00 Andrew McDonough http://www.andrewmcdonough.com/wiki/start Programming Ruby * Ruby * Ruby on Rails * Restful Authentication * PDF::Writer Java * Java * Eclipse * Hibernate * Struts * JSP * Middlegen * JSTL * Ant * Certification * Lucene * Groovy * Taglibs * Tomcat * SCJP * Autoboxing * Quartz - An open source Java scheduling framework text/html 2009-05-11T09:25:25+00:00 Andrew McDonough http://www.andrewmcdonough.com/wiki/getting_started_with_mysql The following are examples of how to get started on a database of registrations, called registrations. Creating a new database mysqladmin -u root -p create registrations Logging into MySQL as root mysql -u root -p Creating a user for your new database grant all privileges on registrations.* to 'registrations'@'localhost' identified by 'somepassword'; flush privileges; Show all databases show databases; Opening your database use registrations; Showing database's tables show tables; Creating y… text/html 2009-05-08T14:23:15+00:00 Andrew McDonough http://www.andrewmcdonough.com/wiki/qrcodes QR Codes are 2-d bar codes. Rails Install Plugin ./script/plugin install http://qrcode-rails.googlecode.com/svn/trunk/plugins/qrcode Usage: qrcode(url, pixel size, type_number, id_of_generated_div) e.g. <%= qrcode('<http://www.google.com/>', 2, 8, 'my-qrcode') %> text/html 2009-05-07T14:34:14+00:00 Andrew McDonough http://www.andrewmcdonough.com/wiki/restful_authentication Rick Olsen's restful authentication is my current preferred method for authenticating users. Installation Add Rick Olsen's repository ruby script/plugin source http://svn.techno-weenie.net/projects/plugins Install the resful_authentication plugin