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On the previous post I wrote a few lines on the basic usage of the accepts_nested_attributes_for method in rails models. I strongly recommend reading that post before this one if you haven’t. Although there is a standard way for deleting items, there...

It’s been a while since the last time I wrote something here. I realize I’ve promised several posts which never got written, such as some experiments with bizarre random number generators, the architecture of the silverlight DynamicDeepZoom app we...

Rails makes it easy to build HTML forms associated to a certain model. Simply using the form_for instruction on the view, writing a simple update method in the controller and setting validation logic on the model, makes standard CRUD operations incredibly...

I just found out the difference between += and << when used for a string. irb(main):001:0> str=chan => "chan" irb(main):002:0> str.object_id => 69952758899780 irb(main):003:0> str +=ged => "changed" irb(main):004:0> str.object_id => 69952758848800...

I searched the internet for a gedit plugin that would allow me to press a key and jump (navigate) to the file where a ruby class is defined. I couldn't find one so I wrote one (I know about Geany but I couldn't find that functionality there either...