after-save

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Determine what ids were removed from array in Rails after_save callback?

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:[详细]

2023-04-09 17:59 分类：问答
Using after_save to update all belongs_to records

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.[详细]

2023-03-25 00:00 分类：问答
How can I invoke the after_save callback when using 'counter_cache'?

I have a model that has counter_cache enabled for an association: class Post belongs_to :author, :counter_cache => true[详细]

2023-03-03 06:27 分类：问答
before insert and after delete

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[详细]

2023-02-05 02:44 分类：问答
旖旎？

作词 : 王金金/洪璐作曲 : 王金金音乐监制：郑亦钧制作人：郑亦钧演唱：王金金编曲：尹一鸣电吉他：尹一鸣木吉他：尹一鸣配唱制作人：郑亦钧和音编写：郑亦钧王金金和音：王金金录音：章谋杰@行人录音室人声编辑：[详细]

2022-12-23 09:49 分类：问答
六美图是谁画的啊？？

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[详细]

2022-12-22 11:47 分类：问答
php file got executed by alexa crawler and caused problems!

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[详细]

2022-12-21 13:41 分类：问答
Rails: check if the model was really saved in after_save

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.[详细]

2022-12-18 23:01 分类：问答