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One thing I didn’t refer on my previous post on ASP.NET MVC CRUD with AJAX was how to retrieve model validation information into the client. We want to send any model validation errors to the client in the JSON object that contains the ProductId, RowVersion and Success properties, specifically, if there are any errors, we will add an extra Errors collection property. Here’s how:
1: [HttpPost] 2: [AjaxOnly] 3: [Authorize]
4: public JsonResult Edit(Product product) 5: { 6: if (this.ModelState.IsValid == true) 7: { 8: using (ProductContext ctx = new ProductContext()) 9: { 10: Boolean success...(Read whole news on source site)

Welcome to the Developer Tools Blog Network

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Sometimes it can be hard to keep up with all the top content across our many developer blogs. This makes sense, given that we have thousands of blogs! We want to make it easier for you to find and subscribe to the topics you’re interested in.
Today we’re introducing the Developer Tools blog network, which connects the top Microsoft developer blogs. You can see that as a member of network, this blog now contains a set of tabs at the top, which make it easy to discover and navigate to blogs in different topic areas: If you go to the
Developer Tools blog network site itself, you will see an aggregate feed of all these blogs together. You can subscribe to this feed by clicking the “All Developer Tools Blogs” RSS button. If you just want to keep up with all the latest announcements and releases (another common request), you can navigate to the news tab above for a filtered list. With today’s update, you’ll notice a few other changes on this blog such as a refreshed user interface. There are some new controls on the right, including videos, twitter, facebook and more. We hope these allow you to...(Read whole news on source site)

Welcome to the new blog design

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Redesigning our blogs reminded me of painting the walls at home. It’s one of those things you never have the time to get around to, but are happy when you finally do!
(source) Here’s a picture of my old blog theme, as a reminder: We updated the design for a number of the developer tools blogs, and also created a network tying them together. (You can learn more about the new blog network on the Visual Studio team blog.) Beyond updating the style, there were a few things we wanted to do
with the redesign. Of course we wanted to make it easy to read, comment on, and subscribe to posts. We also wanted to make it easy to share and discuss the posts with others, by adding social media buttons. Finally, we wanted to provide additional ways to connect with us, by including video and Twitter feeds. I hope you enjoy this refresh, and the additional integration. I’m looking forward to continuing many more conversations here in the future. Enjoy! Follow me at
...(Read whole news on source site)

My Favorite Features: Managing Projects with the Backlog, Sprint Planning and Taskboard Features in Team Foundation Server 11 - Jason Zander's WebLog - Site Home - MSDN Blogs

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My Favorite Features: Managing Projects with the Backlog, Sprint Planning and Taskboard Features in Team Foundation Server 11 - Jason Zander's WebLog - Site Home - MSDN Blogs:

Backlog Management
Adding Work
 Adding an Effort Estimate
Reprioritizing the Backlog
Forecasting Progress
Adjust Velocity Estimates
Planning and Running a Sprint
Daily Standup

Executing an Elastic MapReduce Hive Workflow from the AWS Management Console

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Contents: Background Using AWS’ Contextual Advertising Hive Sample to Create a feature_index File Creating an Interactive Hadoop on Azure Hive Table from Amazon’s feature_index File Background Amazon Web Services (AWS) introduced its Elastic MapReduce (EMR) feature with an Announcing Amazon Elastic MapReduce post by Jeff Barr on April 2, 2009: Today we are introducing Amazon Elastic MapReduce , our new Hadoop-based processing service. I'll spend a few minutes talking about the generic
MapReduce concept and then I'll dive in to the details of this exciting new service. Over the past 3 or 4 years, scientists, researchers, and commercial developers have recognized and embraced the MapReduce programming model. Originally described in a landmark paper, the MapReduce model is ideal for processing large data sets on a cluster of processors. It is easy to scale up a MapReduce application to jobs of arbitrary size by simply adding more compute power. Here's a very simple overview of the data flow in a typical MapReduce job: ...(Read whole news on source site)

Workflow 4.5 is Awesome, cant wait for 5.0!

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About 2 years ago I wrote a blog post describing what I would like to see in Workflow vnext: At the time WF 4.0 was a little rough around the edges – the State Machine was on codeplex and people were simulating state machines with Flowcharts. Last year I built a near- realtime machine management system using WF 4.0.1 – its managing the internal operations of this device:   Well WF 4.5 has come a long way – many of my gripes have been addressed: C# expressions -
no more VB 'AndAlso' clauses state machine awesomeness - can query current state many designer improvements - Document Outline is so much more succinct than Designer! Separate WCF Service Contract interfaces and ability to generate activities from contract operations ability to rehydrate to updated flow definitions via DynamicUpdateMap and WorkflowIdentity you can read about the new features here:   2013 could be the year of Workflow evangelism for .NET, as it comes together as the DSL language. Eg on Azure it could...(Read whole news on source site)

JavaScript Strict Mode Explained

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JavaScript is everywhere. It's run in web sites, as utilities on many operating systems, and in any host, like IE, Firefox, or Chrome and it's a first class citizen in Windows 8 Metro style app... This is a content summary only. Visit for full links, other content, and more!