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Microsoft SQL Server 2012 Virtual Labs Available To You Online, plus many more SQL Server 2012 resources

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We’ve just come off the exciting SQL Server 201 Virtual Launch Event and the buzz about SQL Server 2012 continues to grow! Following on to my Windows Small Business Server 2011 TechNet Virtual Labs Available To You Online, plus more Small Business Server 2011 resources and SharePoint Server 2010 MSDN Virtual Labs Available To You Online, plus more SharePoint 2010 resources posts, I thought I would keep the momentum going and share out some SQL Server 2012 Virtual Labs that we have available to you online, as well as some additional SQL Server 2012 resources that you can

HTML5 Offline Web applications as an afterthought in ASP.NET MVC

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Recently I prototyped a mobile web application using ASP.NET MVC, jQuery Mobile and some HTML5 features. One of the key goals was to find out how far you can push a web 'application' until the browser starts getting in the way. Working disconnected is one of these things that appear to be a major showstopper at first.

However - to my surprise honestly - the HTML5 Offline Web applications API seems to be widely implemented across modern browsers already. Not of all of them though. Looking into the specifics, the API itself is fairly straightforward. At
his core, you will find the manifest file, which dictates which files should be cached by the browser. The API provides other useful events and methods for inspecting the status of the cache and swapping the cache for a newer version, but they are out of scope today. A useful resource to read up on the full API can be found here, and a working example implementation can be found here.

The manifest file

Back to the manifest file. A manifest file could look like this.


The first line in the file...(Read whole news on source site)

Event 5586 after installing SP1 on SharePoint 2010

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When I was at a customer recently, I found a strange error in the Event Viewer: Event 5586: Unknown SQL Exception 2812 occurred. Additional error information from SQL Server is included below. Could not find stored procedure “proc_UpdateStatisticsNVP”. This problem is caused by updating SharePoint 2010 to SP1. This update will try to execute this [...]

Trinity - Microsoft Research

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There are many real-life applications handling billion node graphs, e.g. facebook social graph has over 800 million nodes and 104 billion edges, world wide web contains over 50 billion web pages and one trillion unique links. Data access on graphs has no locality, graph exploration incurs massive random data access. 

Trinity is a graph database and graph computation platform over distributed memory cloud. At the heart of Trinity is a distributed RAM-based key-value store. As an all-in-memory key-value store, Trinity provides fast random data access. This feature naturally makes Trinity suitable for large graph processing. Trinity is a graph database from
the perspective of data management. It is a parallel graph computation platform from the perspective of graph analytics. As a database, it provides features such as data indexing, concurrent query processing, concurrency control. As a computation platform, it provides vertex-based parallel graph computation on large scale graphs.


Trinity - Microsoft Research:
Neo4jHyperGraphDBInfiniteGraph, etc. Neo4j is a disk-based transactional graph database. HyperGraphDB is based on key/value pair store Berkeley DB. InfiniteGraph is a distributed system for large graph data analysis. In 2009, Google announced Pregel as its large scale graph processing platform. Pregel is a batch...(Read whole news on source site)

Maker Geek Roundup 009 for 3/14/2012–Pi Day Edition

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For those of you in the US, today is Pi day : 3/14. For those countries that would call this 14-3, bear with me, as you don't get any pi pfftth :) The Maker Geek Roundup aggregates information of interest to makers everywhere. Topics include .NET Micro Framework, Arduino, AVR and other MCUs, CNC, 3d Printing, Robotics, Microsoft Robotics Studio, Electronics, General Maker stuff, and more. If you have something interesting you've done or have run across, or you blog regularly on the topics included here, please send me the URL and brief description via the contact link. 3d Printing, Laser Cutting, and CAD/CAM/CNC 3-D Printer with Nano-Precision (Science Daily) Awesome
Ultimaker printed Quadcopter! (Ultimaker) CNC Router Table Design Video - I Made a Computer Desk (Makermasters) .NET Gadgeteer Controlling Text-To-Speech from a client application (Mike Dodaro) Chucky module for Microsoft Gadgeteer (Wii Nunchuk connector) (Valentin Ivanov) Posture Regulator with LED Alert - Silent (Mike Dodaro) Gadgeteer DaisyLink - Protocol (Valentin Ivanov) .NET Micro Framework General (Netduino, GHI FEZ, etc.) Using basic IO with .NET Microframework (Laurent Ellerbach) Using one temperature sensor with I2C protocol and .NET Micro framework on netduino board (Laurent Ellerbach) Real time control of a stepper motor using netduino and node.js (slickstreamer) Arduino Twitter controlled dog feeder (NatMorris - YouTube) Internet of Things Camera (Ladyada) Other Micro Controllers...(Read whole news on source site)

Portable Class Library and ICommand

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source: christoferlof.com Unit testing A while ago I wrote an article describing how the Portable Class Library can enable us to write Unit Tests for our Windows Phone apps using the tools and frameworks we're already familiar with. By adding an abstraction layer and using types common to the Base Class Library, Portable Class Library and Windows Phone we can write unit tests using tools like MSTest and Moq. View Models & ICommand A popular approach for writing Windows Phone apps is to use the Model-View-ViewModel pattern and by that expose operations
on the View Model as commands which can be data bound to buttons on the view. The interface which enables commands, ICommand, isn't available in the Portable Class Library thus exposing that kind of commands from our PCL View Models isn't possible. In my earlier article I demonstrated how we can return concrete instances using factories but that requires a common known interface or base class. In the case of commands - ICommand is supposed to be that common interface - but since it's not available in the PCL we need another abstraction. ...Read more ...(Read whole news on source site)

Windows Phone Performance – Part 3 of Many: Tie Fighters and Drunk Spaceship Captains

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source: dotneteers.net There are a number of ways to create animation on Windows Phone. Let's start with the one that is used the less frequently - procedural animation. Let's take a 12-eyed Vuvrian spaceship captain, and get him really drunk: Imagine that his ship is buzzed by a Tie Fighter. Our little app will simulate what the drunk Vuvrian is seeing as he's desperately trying to open his eyes while the Tie Fighter is buzzing him with the starry space in the background. To do this, we will have to create a
TIEFighter.xaml user control. I won't copy its code here, you can download it together with the solution later. But here is what it looks like: The essence of procedural animation is to recalculate the position of every object, in every frame. Again, the full code will be available, I would only like to emphasize the key parts here.     ...Read more ...(Read whole news on source site)

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