A discussion of six common design patterns, when to use them, how they are implemented, and when to avoid them.

1. Common Design Patterns
Steve Smith
@ardalis | ardalis.com
Telerik
http://flic.kr/p/4MEeVn

2. http://flic.kr/p/8XgqKu

3. http://flic.kr/p/6StgW5

4. http://flic.kr/p/6UpMt9

5. http://geekandpoke.typepad.com/geekandpoke/2011/04/design-patterns-are-still-useful.html

6. Actual Usage http://twtpoll.com/r/t7jzrx

7. (Of course there are many others!)

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12. Source: http://csharpindepth.com/Articles/General/Singleton.aspx

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 Shameless Plug:
But why would you
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Telerik JustMock can be
intentionally write code
usedcan mocktest with
you to only and test
certainSingletons tools?
premium
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14. http://flic.kr/p/6spkwo

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19. “new” creates tight coupling
between classes
http://flic.kr/p/aN4Zv

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21. Compile Time
Runtime
User Interface
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Database

22. Compile Time
Runtime
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User Interface
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Helper Class
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Database

23. Compile Time
Runtime
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User Interface
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 Core Infrastructure
IFooRepository SqlFooRepository
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Database

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33. http://flic.kr/p/5Yb5i

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Pending
Archived Published

37. http://flic.kr/p/vGpC2

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40. Design Patterns in Action
CODE

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