Okay this is a design question. I, like many, are still learning Objective-C and Cocoa, and am a little rusty to boot. Anyway, here is the question:
I need send an email alert when the price of a product changes. Is it possible do this with ActiveRecord::Observer开发者_StackOverflow or do I need use programming logic in the edit form?You can use D
I am having some trouble with implementing my own observer in Java on the Android platform. I have created a class call NetworkPathJni that uses an Observer interface class called NetworkPathJniObser
My observer gets stuck in and endless loop. Why does it happen and how can I fix it? config.xml: <?xml version=\"1.0\"?>
I\'m not sure if the title is the best way to describe this question. This book - http://apress.com/book/view/9781590599099 - illustrates an implementation of the Unit of Work pattern. It goes a litt
Now that I learned to use Observers two questions came to my attention: 1 - Is it common to use Observer Pattern to notify开发者_JAVA百科 just one object about changes?
I write a Mozilla Jetpack based add-on that has to run whenever a document is loaded. For \"toplevel documents\" this mostly works using this code (OserverService = require(\'observer-service\')):
I\'m writing some javascript using jQuery to call a method on all nodes with class datepicker. Here\'s what I have:
In my application I have many classes.Most of these classes store quite some data, and it is important that other modules in my application are also \'updated\' if the content of one of the data class
The problem to model is this: A hierarchy of levels within an Army, starting with the national army in whole, through field armies, subunits, and eventually the individua开发者_如何学Gol men. Each le
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