MustModify Blog: Recent Posts

HTML5 canvas notes

October 03, 2010
Spinner (in german... Chrome translates) "post":http://nickynubbel.blogspot.com/2010/06/coole-iphone-kompatible-loading.html "example":http://dev.ubbel.de/html/loading/svg_background_shadow.html "Ajaxian: Canvas Loader":http://ajaxian.com/archives/canvas-loading-indicator-for-the-iphone-and-beyond "Apple's...


[fix for] interpolation syntax in I18n messages is deprecated

September 30, 2010
Somehow, Rails3 was installed in my 1.8 rvm gemset. rails3 depends on i18n v >= 0.4. Uninstalling i18n (and rails3, since it doesn't run in 1.8 anyway) corrected this issue.


Rails says, "Missing pdf-writer" when pdf-writer is unpacked in vendor/gems

September 01, 2010
Issue: *"Missing these required gems: pdf-writer = 1.1.8"* config/environment.rb: ---ruby config.gem "pdf-writer", :lib => "pdf/writer", :version => '1.1.8' --- That looks write... what's the issue? Turns out my new server didn't have the required dependencies. I added this above the config/gem line: --- ruby require...


Anthenticating against PayFlowPro for Rails with ActiveMerchant

July 29, 2010
Rails is fortunate to have ActiveMerchant, a gem that provides a standard interface for billing. Unfortunately, there are a wide variety of gateways out there and each has their own "uniqueness." I experienced PayFlowPro's "uniqueness" today and thought I would share my now-working spike code. THE PARTNER FIELD The partner field below is...


Triangles and Chat Bubbles with pure CSS

July 22, 2010
This is pretty awesome. http://www.dinnermint.org/css/creating-triangles-in-css/comment-page-2/#comment-313 Now if only it worked in IE. :(


Automated Testing for Infrastrure

July 20, 2010
I have a client whose website is subject to HIPAA regulations. I just finished setting up SSL for them. I also set up redirects so that: http://domain.com => https://www.domain.com http://www.domain.com => https://www.domain.com It all works now. Unfortunately, I've become accustomed to the feeling of security that I get from...


HTML5 GeoLocation Accuracy

July 15, 2010
I spent some time looking in to HTML5 features this morning. The first one on the list is GeoLocation. This demo gave a position within a block of my house: http://html5demos.com/geo Interestingly, when I went to visit the page again, it located me within feet of my previous house, more than 500 miles away. According to the Chrome...


validates_uniqueness_of results in " undefined method `text?' for nil:NilClass "

July 07, 2010
I had the following model: --- ruby class Visit < ActiveRecord::Base belongs_to :visit_type belongs_to :patient validates_presence_of :visit_type validates_presence_of :patient validates_presence_of :date validates_uniqueness_of :visit_type end --- I changed :visit_type to :visit_type_id and it went away.