observer-pattern
Rails 3: How to identify after_commit action in observers? (create/update/destroy)
I have an observer and I register an after_commit callback. How can I tellwhether it was fired after create or update?[详细]
2023-03-31 11:30 分类:问答Java View to Controller Observer
I need help. I am struggling to get my Observers worki开发者_运维知识库ng in java. Can someone explain to me using MODEL-VIEW-CONTROLLER Architecture how to create and observer from View To Controller[详细]
2023-03-31 04:48 分类:问答Why does filling a new Window from a div remove the div in the original document?
I\'m having a big problem the last days with filling in the window (Resizeable-Draggable Prototype-UI window) content with Prototype.[详细]
2023-03-28 04:39 分类:问答Tracking field changes with rails observers
I am trying to figure out a way to log the changes when someone updates an object. Right now my observer will store all of the current values but I am lost on how to determine which fields changed and[详细]
2023-03-28 02:28 分类:问答using Observer pattern with a MVC/Codeigniter web site
I have a web site I\'m converting to Codeigniter and I want to simplify and decouple. I like what I\'ve read about the Observer pattern for things like \"new survey created\" (which triggers a new hel[详细]
2023-03-27 18:18 分类:问答Magento which event is called? Need to build an observer
I need to create an observer in Magento that listens for the event that is called when someone re-indexes the Catalog Search Index.[详细]
2023-03-27 08:57 分类:问答Magento Event (Which event is called on Index?)
As stated in the question, which event is fired when someone goes into the admin panel and selects reindex data for Catalog Search Index?[详细]
2023-03-27 07:06 分类:问答Magento Observer not doing much observing
So this is my first module, so I figured there would be errors.But I am stuck and thought the intelligence of the stack overflow community could help out.[详细]
2023-03-26 23:03 分类:问答FileObserver not working in XOOM android 3.1
In my app I have a FileObserver on /mnt/sdcard/dcim/camera folder so that whenever an image i开发者_JS百科s taken from a camera my app is notified. It works as expected on phones having Android 2.1/2.[详细]
2023-03-26 18:09 分类:问答How do you buffer items into groups in Reactive Extensions?
I have an IObservable; where a property change has an entity ID and PropertyName.I want to use this to update a database, but if multiple properties change almost simultaneously I only want to do one[详细]
2023-03-26 11:55 分类:问答