observer-pattern
Is there an equivalent of ActiveRecord::Relation.update_all that triggers callbacks/observers?
I want to perform a bulk update of ActiveRecord models, along the lines of: MyModel.where(:field1=>\"value1\").update_all(:field1=>\"value2\")[详细]
2023-04-12 18:38 分类：问答Magento: Find observers for dispatched events?
开发者_JS百科I need to find which methods fire when the following event is dispatched Mage::dispatchEvent(\'sales_quote_add_item\', array(\'quote_item\' => $item));[详细]
2023-04-12 17:26 分类：问答Service, Observer, and Loopers
I am trying to create an application that contains Content Observers in a remote service but kept getting the error:[详细]
2023-04-11 09:20 分类：问答what's the event name when you create a new invoice in magento?
when you create an invoice in the admin panel, what is t开发者_JAVA百科he name of that event for an observer? I\'ve tried *sales_order_invoice_register* and *sales_order_invoice_pay* but it doesn\'t w[详细]
2023-04-11 02:33 分类：问答Magento recalculate cart total in observer
I have an observer that removes items from the cart if they are out of stock (i.e. customer returns to their cart ofter x time, and an item in the cart has gone out of stock), and shows a message to t[详细]
2023-04-10 01:53 分类：问答What's the best way to integrate an event-dispatcher in a PHP library?
I need to integrate an event dispatcher in my own codebase (custom PHP library), so I looked at what both Symfony2 and Zend Framework 2 are doing.[详细]
2023-04-09 20:07 分类：问答How to override superclass' s NSNotificationCenter listener method?
Say I have superclass which listens to a notification: @implementation SuperClass - (v开发者_开发知识库oid)viewWillAppear:(BOOL)animated[详细]
2023-04-09 13:16 分类：问答C++ communication between objects
I\'m sure this kind of question has been asked (and answered) before, so please link me to a previous discussion if so...[详细]
2023-04-08 16:40 分类：问答Better way to handle multiple DropDown selection
I have a menu with multiple DropDowns. I added code but at present, it entirely resides in the code-behind file. I want to use any design pattern to handle in an easy and uncluttered way the variety[详细]
2023-04-08 16:38 分类：问答Is java.util.Observable thread-safe?
In java\'s Observer pattern classes Observer and Observable, are calls made to Observable objects\'s notifyObservers(Object arg0), in different threads, thread-safe?[详细]
2023-04-08 11:32 分类：问答
![Interactive visualization of a graph in python [closed]](https://www.devze.com/res/2023/04-10/09/92d32fe8c0d22fb96bd6f6e8b7d1f457.gif)
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