I had a float attribute in a Rails application and wanted to strip non-significant zeros when displaying it on a page. With the number_with_precision helper from ActionView, that’s a trivial thing: number_with_precision( 3.50, strip_insignificant_zeros: true, precision: 2 ) # => ‘3.5’
On some project we needed to create a module containing an Array attribute. We wanted to hook onto some of the methods of this particular Array instance to call our own code. Here is how we did it: module TheModule attr_reader :items def initialize(*args) @items = [] def @items.<<(item) super "You added the item #{item} […]
During all these years, Capistrano has been for me a magical gnome that I invoke by saying “cap deploy, my magical friend!” and then I close my eyes, sing a happy song in my head and when the gnome has finished his magic, I hit F5 to see if all went well. And of course, […]
Before I start, let me get something straight: I’m not saying it would be a good or bad idea… I’m just asking the question. I must say that my first experience with a significant whitespace language was a disaster. The first time I had to use Python was on a server via ssh. I was […]
I never wrote anything about tests on this blog and the reason is simple: I never considered testing to be something fun. The little slogan you see at the top left (a bit cheesy I admit) is the reason why I started Ruby Fleebie back in 2007. I was amazed by the possibilities of the […]
MongoDB is an opensource document-oriented database in the vein of CouchDB. It’s been a while since I wanted to try this kind of database on a Rails project. After reading this nice tutorial today I decided to take some time to create a sample Rails 3 app and put it on github. I chose to […]
One of our projects, called Mon Curling, is a web application that helps recreational curling leagues with their schedules, results and standings. One thing that the app was NOT doing was to generate the schedule automatically. Instead, the league manager had to generate his schedule beforehand and enter all the matches manually in our interface. […]
A quick and easy tip today. It won’t impress the veteran ruby developer, but it will impress every ruby newcomers, guaranteed! Say I have a horse racing ruby application that allow people to know information about every competing horses. I have an input box that people can use to enter the name of a horse. […]
Update: You can follow the discussion on Hacker news I guess I won’t make a lot of friends by saying this but my first impression with Ruby 1.9 was awful. Since we had to configure a new server, we thought it was the perfect occasion to install ruby 1.9 and see how our current web […]
It’s been a while since I wrote about XMPP and XMPP4r. I’m glad because my introductory posts on this topic were very well received. Today I want to push further and share with you a tutorial-like post explaining step by step how to build a simple application with a XMPP interface. The complete listing is […]