Pages
Categories
Archives
Category Archives: programming
getting started with acts_as_state_machine
This is a note to self. Remember to define all states for an object before you start referencing it.
If not, you will get an error like this:
"You have a nil object when you didn't expect it! The error occurred while evaluating nil.entering"
Also posted in Ruby programming, software engineering Tagged nuby, open source, programming, rails, ruby, rubyisms Leave a comment
SVG Javascript chart libraries
The last couple of weeks I worked on a feature that required to display a set of charts. Namely, a pie chart and a bar chart. One of them had to be interactive. We didn't want a Flash chart.
I did some research and found these libraries:
gRaphaƫl
Highcharts
Google Chart Tools
Also posted in developer tools, web programming Tagged javascript, programming, software development Leave a comment

how to ignore *.php requests using Apache