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Published on 2010-03-15T09:13:23Z
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CWM is data modeling
UML is object modeling.
Can someone explain the difference that a layman can understand?
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Most of the problems I have to solve in my job as a developer have to do with data modeling.
For example in a OOP Web Application world I often have to change the data properties that are in a object to meet new requirements.
If I'm lucky I don't even need to programmatically add new "behavior" code…
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You can find many different data modeling resources. It is impossible to list all of them. I selected only the most valuable ones for me, and, of course, the ones I contributed to. Books Chris J. Date: An Introduction to Database Systems – IMO a “must” to understand the relational model…
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I am struggling with a data model (I use MySQL for the database). I am uneasy about what I have come up with. If someone could suggest a better approach, or point me to some reference matter I would appreciate it.
The data would have organizations of many types. I am trying to do a 3 level classification…
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I'm working on an iPhone app and need a little advice on modeling the Core Data schema. My idea is a utility that allows the user to speed-dial their contacts using user-created rules based on the time of day. In other words, I would tell the app that my wife is commuting from 6am to 7am, at work…
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I'm storing some very basic information "data sources" coming into my application. These data sources can be in the form of a document (e.g. PDF, etc.), audio (e.g. MP3, etc.) or video (e.g. AVI, etc.). Say, for example, I am only interested in the filename of the data source. Thus, I have the following…
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I have a "plain" XmlDocument loaded like so:
<root>
<element1 />
<element2></element2>
</root>
and want to qualify the elements with namespaces like so while the object model is loaded
<root xmlns:abc="urn:something">
<abc:element1 />
<abc:element2></abc:element2>
</root>
before…
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The Background
A Cocoa Non Document Core Data
project with two Managed Object
Models.
Model 1 stays the same. Model
2 has changed, so I want to migrate
the store.
I've created a new version
by Design Data Model Add Model
Version in Xcode.
The difference between versions is a single relationship…
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I'm using the WSDL object model (WOM) along with XSOM for a project of mine. The WOM gives me a way to drill down and look at messages and the message types which are element declarations. However, I am unable to find a way to parse the simple and complex types. The APIs are tricky. There seems to…
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I have an excel like grid where values can be typed referencing other rows
To check for circular references when a new value is entered, i traverse the tree and create a list of values referenced thus far, if the current value is found in this list, i return an error thus avoiding a circular reference…
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Hi,
I have a SharePoint List to which I'm adding new ListItems using the Client Object Model.
Adding ListItems is not a problem and works great.
Now I want to add attachments.
I'm using the SaveBinaryDirect in the following manner:
File.SaveBinaryDirect(clientCtx, url.AbsolutePath + "/Attachments/31/"…
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