I came across the requirement of updating a page element from the result of an Autocomplete. The server results were to be placed in a select element as set of option items. I had to overwrite some JQuery UI Autocomplete private methods as apparently there was no easy way of generating HTML and embedding it in the right spot...
JRuby 1.5.6 (I know. Old) Rails 3.0.1 Polyglot 0.3.3 UPDATE: see easier fix below Getting the following error when bundling: {% highlight ruby %} Java::JavaLang::ArrayIndexOutOfBoundsException: An error occured while installing polyglot (0.3.3), and Bundler cannot continue. Make sure that gem install polyglot -v ‘0.3.3’ succeeds before bundling. {% endhighlight %} JRuby YAML parser is erring with this version of...
I had a Project model with a many ProjectWell (as in oil) association. Taking advantage of the accepts_nested_attributes, I was able to persist both Project and ProjectWell attributes through a single web form. {% highlight ruby %} class Project < ActiveRecord::Base has_many :project_wells accepts_nested_attributes_for :project_wells end class ProjectWell < ActiveRecord::Base belongs_to :project end {% endhighlight %} Now, the ProjectWell...
Testing Rails with a legacy oracle schema as a backend is always a challenge (fun?). Rails relies no schema.rb to create its test database. The problem is that using the latest activerecord-oracle_enhanced-adapter (1.4.0), the application is unaware of the database views. So, I’ve decided to create those DB views (development) as DB tables (test). {% highlight ruby %} #names...
In order to globally disable the use of TimeZone conversions for your (legacy?) application – here’s the proper configurations: In config/application.rb (or config/environment.rb depending on Rails version): 123 config.time_zone = ‘Mountain Time (US & Canada)’ #uncommented and set to proper zone config.active_record.default_timezone = :local config.active_record.time_zone_aware_attributes = false
Setting up timezone on Heroku instance using heroku gem (command line) {% highlight ruby %} heroku config:add TZ=America/Edmonton …. heroku console Time.now => … -0700 … {% endhighlight %} Heroku apparently accepts zoneinfo timezones. It works, thank you for the useful post. I set for Europe/London. Yeah thanks for this tip. Very handy. Awesome, this made my night much...
Getting the above error message trying to deploy to Heroku (Windows, PuTTY keygen). Turns out the public/private key files saved through putty aren’t of a valid OpenSSH format (expected by Heroku). You can still use Putty Keygen by copying the text generated under “Public key for pasting into OpenSSH authorized_key file” (save it to your *.pub) I’m inching towards...
JRuby 1.5.2 Rails 3.0 activerecord-jdbc-adapter 0.9.7 This issue arises when setting table name with a schema name prefix. For those in the know – this is a must-have if you’re connecting to oracle using a non-owner username (activerecord-jdbc-adapter). {% highlight ruby %} class Model < ActiveRecord::Base set_table_name ‘.<table>’ end` </table></ts_code> Now – tracking this down led to lib/arel/engines/sql/relations/table.rb `def...
If your JSP code is almost 2/3rd pure Java code, then you’re doing something wrong. One easy way of knowing Java code from HTML/Snippets is to look at the PALE GREEN (see image for color tone). If the pale green is more than the white – then you must be joking. If you move the green parts to become...
Hello fellow developer stuck with JRuby, Paperclip file size = 0 issue 🙂 Apparently the Paperclip workaround to report the proper file size doesn’t work with the current implementation of JRuby (Windows XP). This “might” work (not thoroughly tested): iostream.rb 1234567891011if defined? Tempfile class Tempfile def size if self.path File.size(self.path) else 0 end end endend The issue is reported...