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What pattern(s) to use for this system ? HRIS/Payroll system

Hello! I am currently working on a Human Resource Information System(HRIS)/Payroll system. Our professor only require us to use Strategy, Decorator and Observer patterns. Any ideas what pattern to be use, how can ...

Feb 26, 2013 by mj emaznol 50 Community Rank

50 Last: Mar 08, 2013 by Dennis Tucker 103 Community Rank

96.7

Views	724
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I need help with building an Event Aggregator

I have a situation where we have a legacy app that is several million lines of code. It was written many years ago and did not follow any design principles at all and is a lot of pretty bad code. We ...

Jul 26, 2012 by Derick Mayberry 55 Community Rank

94.5 Last: Sep 17, 2012 by Libish Jacob 50 Community Rank

Event Aggregator Patterns

Views	3.1K
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How to design a scenario where one subscriber depend on other?

In my application, I have a scenario where if a change occurs on a particular module, it has to be notified to few other modules. I thought an observer pattern would fit here, by keeping the module on which the ...

Aug 08, 2012 by Vinothkumar Rajendran 50 Community Rank

50 Last: Aug 13, 2012 by Tarriq Ferrose Khan 80 Community Rank

96.3

Observer Pattern C# Design Pattern Design

Views	1.6K
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Design Request Tracker Application

Hi, i have given an assignment to design request tracker application using ASP DOT NET MVC 3.0. i have identify active/functional object in the application like client,customer,request type,request ...

Jul 17, 2012 by Shujat Qureshi 55 Community Rank

94.1 Last: Aug 04, 2012 by Michael Lopez 65 Community Rank

95.6

Views	2.7K
Answers	3
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Need better a understanding on the Observer Pattern

I have home-work I have to submit but have no idea where to start. Here is what is needed: Implement the following using both Delegates and Events as well as the Classic approach to implement the ...

May 17, 2012 by Nothemba Mapela 50 Community Rank

Observer Pattern

Views	1.7K
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What is the difference between Builder Pattern And Composite Pattern

We all know that Builder Pattern is one of the creational patterns and Composite Pattern is one of the structural patterns . My question is, can I create a menu like a Command menu or menutoolbar ...

Jan 23, 2012 by Volkan Genç 88 Community Rank

96.5 Last: Jan 23, 2012 by Ankit Parikh 50 Community Rank

Observer Pattern Composite Pattern Combination

Views	2.4K
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UML and Design pattern

Dear experts, I am new bee to learn UML and Design pattern, would appreciate that if anyone could give me kick start or any good web site for me to learn. When comes to Design pattern is UML playing as a key role? ...

Nov 07, 2011 by David Bcc 50 Community Rank

50 Last: Nov 11, 2011 by Thiago Santos 50 Community Rank

Views	2.9K
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Difference between Proxy Pattern and Observer Pattern

What's the difference between the Proxy Pattern and the Observer Pattern? Does the Observer provide more flexibility to handle events when compared to the Proxy? Thanks for your ...

Aug 31, 2011 by Anderson Borges 50 Community Rank

50 Last: Sep 01, 2011 by Keld Ølykke 50 Community Rank

Observer Pattern Proxy Pattern

Views	3K
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Question about Observer Pattern versus Proxy Pattern

I have a quick question: Does the Observer Pattern provide more flexibility to handle events when compared to the Proxy Pattern?Thanks for your ...

Aug 31, 2011 by Anderson Borges 50 Community Rank

Observer Pattern Proxy Pattern

Views	1.4K
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Why do we need to use interfaces?

Hi, I am new to Design Patterns and just wanted to know what the main advantages are of using Interfaces. Thanks ...

Jan 30, 2011 by Satya Chauhan 50 Community Rank

50 Last: Jun 15, 2011 by Keld Ølykke 50 Community Rank

Interfaces Design Patterns

Views	7.4K
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Which design principles belong to these Design Patterns

The Explanation before the question: I need to study the following patterns: - Factory Pattern - Abstract Factory Pattern - Singleton \ Lazy load Pattern - Observer Pattern - Strategy Pattern - Command ...

Nov 03, 2010 by Roy Mengelers 75 Community Rank

96.1 Last: Dec 31, 2010 by Walt Z 50 Community Rank

Views	4.6K
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Is MVC one of the GoF (Gang-of-Four) patterns?

I was wondering whether MVC is one of the GoF patterns. I see familiar patterns like Bridge patterns which seem similar to MVC. So, is MVC a type of Bridge pattern or is it a standalone ...

Sep 26, 2010 by maor parizat 50 Community Rank

50 Last: Sep 26, 2010 by Robert Blixt 1,128 Community Rank

99.9

MVC Gang of Four

Views	5.5K
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Delegate (C#) versus Observer Pattern?

I have a question: Is the delegate in C# equivalent to the Observer Pattern? If not, what is the difference? Thanks in advance. ...

Sep 03, 2010 by Asmprogs Asmprogs 59 Community Rank

94.6 Last: Sep 06, 2010 by Saurabh Saxena 90 Community Rank

96.5

Observer Pattern delegate Comparison

Views	6.1K
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Chain of Responsibility vs Observer pattern

What is the difference between the Chain of Responsibility pattern and Observer pattern? And what cases would you use ...

Aug 21, 2010 by sam grimmer 50 Community Rank

50 Last: Aug 22, 2010 by sam grimmer 50 Community Rank

Chain of Responsibility Pattern Observer Pattern Comparison

Views	5.1K
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Pattern Framework - Need to understand - Help

Hi I need some advice. I am aware of Design Patterns (In theory). To learn the practical implementation of Patterns, I had purchased the "Pattern Framework" from this site. ...

May 24, 2010 by Willy James 50 Community Rank

50 Last: May 28, 2010 by Dan McMillan 750 Community Rank

99.9

Design Pattern Framework Beginner

Views	2.5K
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Which Design Patterns are you using most frequently in your projects?

To all: I would be curious to know which design patterns you end up using the most in your own work. Personally, my answer would go something like this: Layers (all my projects are layered) MVC (I

Apr 14, 2010 by Leo Benson 122 Community Rank

96.7 Last: May 21, 2010 by Bhupendra Sinha 70 Community Rank

95.7

Design Patterns

Views	9.4K
Answers	4
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MVC versus MVP for a WinForms app

I am starting up a relatively small project using WinForms. I have been reading up on patterns and MVC versus MVP. I see that MVC is widely used and very popular in Web development (hence the new ...

Feb 07, 2010 by Juan Perez 129 Community Rank

96.7 Last: Mar 30, 2010 by Nicolae Dima 50 Community Rank

MVC MVP

Views	11.5K
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