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Live Mesh as an application platform
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The potential
You surely read quite a bit about Live Mesh. Oran Dennison has number of very technical and insightful posts on various aspects of the underlying platform.
Recently, we run an internal prototype to build an application on top of Live Mesh. I’m not talking about the kind of the typically showcased consumer-centric application where it’s all about sharing my personal photos, apps and videos with friends and family. I’m talking about a typical app for collaboration, involving group discussions (conversation-oriented like gmail), chat and shared calendar. Think about the aspects of Groove that are missing today from Live Mesh :)....
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MAB ContainerModel / Funq: a transparent container
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From the point of view of the user of the container, he doesn't have to do anything at all. He just creates classes as usual:
public class EditCustomersPresenter
{
public EditCustomersPresenter(IEditCustomersView view, ICustomerRepository repository)
{
this.view = view;
this.repository = repository;
view.Presenter = this;
}
...
}
Container configuration is done through lambdas that specify which object to construct for the registered type. For the view used by this presenter (an EditCustomersView form), it would look like: ...
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Mobile Application Blocks ContainerModel / Funq: an introduction
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If you follow my blog, you probably heard about Funq, and maybe you even watched the screencasts I did about it while developing it (yeah, I'm missing a bunch of new ones!).
When we started working on a rev for the original Mobile Client Software Factory v1 for patterns & practices, we had a list of top-priority issues and feature requests expressed by the community and the advisory board. Very high on the list was *removal* of the Composite UI Application Block (CAB) from the blocks, as its performance impact was too great for mobile apps. ...
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What would you like to see in Enterprise Library 5.0?
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There are few groups within Microsoft that are as open and so quick to deliver as patterns & practices. When you give them feedback or request features, chances are you'll see them implemented within months, rather than years (if they get enough support of the rest of the community!).
It's now time to engage in shaping EntLib 5.0! From Grigori's blog:
At this point, we would like to invite you to select and prioritize candidate features/stories you care about. Please review them carefully along with the associated effort estimates and cast your votes. Do remember to stay within the budget (100 points). Here's the link to the ...
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Announcing the free ViewModel Tool
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If you're doing any kind of WPF development, you probably read at least some of the links in this entry on WPF Patterns.
One common theme across all variants of the ViewModel pattern is that it always has to implement the INotifyPropertyChanged interface, which is the core interface driving the whole data-binding infrastructure in both WinForms and WPF. Implementing this interface is quite boring and repetitive, more so if you're using C# 3.5 automatic properties:
public class Customer
{
public string FirstName { get; set; }
public Address Address { get; set; }
// other properties
}...Read full article
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Crazy Linq: replacing multiple and nested foreach statements with a query
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Objective of the method: determine whether the given EnvDTE code class contains the given GeneratedCodeAttribute:
"old" foreach/if approach:
private bool IsPresentationModel(CodeClass2 baseClass)
{
foreach (CodeClass2 pc in baseClass.PartialClasses)
{
foreach (CodeAttribute2 attr in pc.Attributes)
{
if (attr.FullName == typeof(GeneratedCodeAttribute).FullName &&
attr.Value.Contains(ThisAssembly.Title))
{
return true;
}
}
}
foreach (CodeAttribute2 attr in baseClass.Attributes)
{
if (attr.FullName == typeof(GeneratedCodeAttribute).FullName &&
attr.Value.Contains(ThisAssembly.Title))
{
return true;
}
}
return false;
}
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Approaching Behavior Driven Development (BDD) from a Test Driven Development (TDD) perspective
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Over the years doing TDD, I'm getting increasingly concerned about the value my test fixtures are bringing to the table in terms of documenting features and expected behavior.
So far, I followed the typical pattern in TDD of creating one class (fixture) per object under test: if I have DirectoryService, I create DirectoryServiceFixture. Inside the fixture (and for the past couple years now), I've been pushing teams I work with to stick to a convention where every test method is prefixed with the word "Should": this seems to be at least a bit ...
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Making WCF services amenable to testing
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You know that using WebOperationContext.Current is BAD for making your service implementation testable, don't you?
My friend Pablo Cibraro continued to evolve his ideas around decoupling your service implementation from this static dependency, and came up with the most simple yet totally unobtrusive (for production code) approach to this, which he calls WCFMock.
The idea is quite simple: you can leverage C# class aliasing functionality (which few know it even exists) to conditionally (i.e. DEBUG vs RELEASE builds) replace the WebOperationContext implementation, like so:...
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