I am trying to figure out how i can tell what has changed in an array in the after save callback. Here is an example of code i am using:
I\'m building a project management application in Ruby on Rails (3.0). I am trying to figure out how to update all the tasks of a project on update of a project column. Here is the situation.
I have a model that has counter_cache enabled for an association: class Post belongs_to :author, :counter_cache => true
i am somehow lost again in my beginners project. I am adding records for flights which have a takeoff and a landing time. So everytime i am inserting a flight oder deleting it (to edit is another ques
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kfqyz 2022-05-04 12:46 开发者_JS百科专业的图片处理软件是photoshop，处理6寸的话按照长边15.2厘米，短边10.2厘米，分辨率300像素/英寸来处理，单从像素看的话至少是1800*1200像素。 美图处理时注意导入照片
I\'ve wrote a script that will be used to release the new pages automatically at a particular time. It will just show a countdown timer and then when it reaches 0 it will rename a particular file into
ActiveRecord use to call after_save callback each time save method is called even if the model was not changed and no insert/update query spawned.
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