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Should I represent the database details in my class diagram as separate classes or not ?
When you model entities you don't care about a physical database. It's just implicit that entities are stored in databases. When you refine your design and derive concrete database objects you will eventually make them inherit from a Serializable or the like to make them persistent on a concrete database. Or you relate them to tables which you create as part of a database instance.
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What is the difference between Single Document Interface and Multi Document Interface in MFC? When and where we are using it? In which type of application we can use them.
Thanks
Single Document Interface (SDI) is a document-oriented application, which provides exactly one document space (like Notepad).
Multi Document Interface (MDI) allows to have several (also different typed) documents to be open (so provides a "Windows" menu).
Both use the document-view pattern.
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I'm developing a student response system and the facilitator has to login. On analysis stage I have identified classes including login class. The problem is if I model login screen as entity class or boundary class.
The terms 'boundary class' and 'entity class' are not defined by UML, but there are several methods, like RUP, which define those terms.
A screen is always a boundary class.
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so everything is in the question
This is my diagram and i want it as a UML class diagram
diagram
As long as you got your ERD modeled/imported in Visual Paradigm you can generate UML class diagram from ERD in few clicks.
For your existing ER model you can import to Visual Paradigm by either reverse engineer the schema from your Database, or reverse engineer your schema DDL into ER model.
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I have 2000+ training images(of custom farm structures) and I want to define my own model using Tensorflow. I researched (https://github.com/tensorflow/models/blob/master/research/object_detection/g3doc/defining_your_own_model.md). This is a very high-level documentation. Can anyone help me on how to go about doing this?
The documentation serves as a high level guide in itself, but you essentially need to create a DetectionModel-based class.
You will need to design and implement the methods defined abstractly in the DetectionModel class here such that you create a model that is an instance of this abstract core class. How you design those functions is up to you, but the documentation you linked above provides some good guidelines.
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I know it is possible to solve a VRP problem using OptaPlanner. I would like to know if it is possible to route a Heterogeneous Fleet of Vehicles using OptaPlanner.
Yes, it's been done before.
Just change the (Vrp)Vehicle class accordingly. Currently it already has a capacity, so you can already model vehicles with different capacities. But it's trivial to add other properties (such as maximumSpeed, driverLicenseLevelRequirementEnum, safeAgainstRobberyBoolean, ...).
Then simply use those properties in your new/existing score constraints.