Articles related to technology, how to use software, ways to work around technology problems, install hardware, install software, upgraded software, etc.
In case you’re not using it already, Google’s web history is a free and handy way to find useful links that you forgot to bookmark. I use it quite a bit when when I google search bugs and installation problems that I need to look up later. It can keep track of (1) all of…
The regular scaffold generator (e.g. ruby script/generate scaffold model controller) requires you to create your model and controller first. The scaffold_resource generator, on the other hand, generates the (RESTful) model and controller for you. For example: ruby script/generate scaffold_resource Caregiver first_name:string last_name:string In Rails 2.0, use resource instead: ruby script/generate resource Caregiver first_name:string last_name:string Here’s…
Here’s some code (and rendered view) for various version numbers, host names, IPs for Ruby, Rails, PostgreSQL, SMTP. <b>Network</b><br> UNIX hostname: <code><%= `hostname` %></code><br> SERVER_ADDR: <code><%= request.env[“SERVER_ADDR”].to_s %></code> <br> HOST_NAME : <code><%= request.host %></code> <br> REMOTE_ADDR: <code><%= request.env[“REMOTE_ADDR”].to_s %></code> <br> <br> <b>Software</b><br> Database: <code><%= ActiveRecord::Base.connection.select_value(“SELECT VERSION()”) %></code><br> Email delivery method: <code><%= ActionMailer::Base.delivery_method %></code><br> SMTP server:…
I recently installed a really nice set of charts and graphs called XML/SWF Charts using the Ziya plugin for Rails. The nice part is that it costs only $45 for your entire domain. This license fee will remove the link when you click on the chart (it currently goes to their website) For the most…
Error when updating the user from a form ActiveRecord::RecordInvalid (Validation failed: Password confirmation can’t be blank, Password is too short (minimum is 4 characters), Password can’t be blank): Suggestion It’s probably because of the restrictions on the User model (attr_accessible or attr_protected, in particular). But allowing users access to any part…
This is what I had to do to get it to work on CentOS 5. For some reason, FreeType would not work with yum so I built it from scratch. I’m not sure if the all the “yum install”s were needed, but I did it anyway. #yum install freetype — did not work cd /usr/local/src…
Install After installing PostgreSQL on Windows, I converted my Rails application from MySQL to PostgreSQL with the following steps: Create a new database in PostgreSQL Installed postgres-pr gem (Ruby driver) because the postgres gem (native driver) didn’t work. Will figure out why later on. Changed the appropriate Rails config stuff in database.yml development: adapter: postgresql…
I wanted to quickly create a new database via pgAdmin III, so I used the following properties Note: initdb (which ran during step 6 of the installation process) creates two initial databases, namely postgres and template1. Also, the cluster created by initdb also comes with two templates (template0 and template1). template0 is a backup for…