Microsoft Certification Examples, exercises, practises, tutorials, solutions about Programming

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Build Mobile Websites and Apps for Smart Devices : Design for Mobile - Build a Better Mouse

There’s no escaping that designing for mobile means designing for small screens. Mobile devices have displays that are significantly smaller—both in terms of physical size and resolution—than their desktop counterparts.

Developing BlackBerry Tablet Applications with Flex 4.5 : Create a Flex Mobile Project (part 4) - Reading and setting author information for debug

Before you can run your application, you need to add your author name and ID to the blackberry-tablet.xml file. To read these values, go to Preferences→BlackBerry Tablet OS→Signing.

Developing BlackBerry Tablet Applications with Flex 4.5 : Create a Flex Mobile Project (part 3) - Setup Device

Connect your device via USB. Click on the gear in the upper-right corner and then click security. Turn on development mode.

Developing BlackBerry Tablet Applications with Flex 4.5 : Create a Flex Mobile Project (part 2) - Setup Simulator

Open the virtual machine within VMware. Click on the gear in the upper-right corner and then click security. Turn on development mode .

Developing BlackBerry Tablet Applications with Flex 4.5 : Create a Flex Mobile Project (part 1)

Since you have installed the Blackberry Tablet OS plug-in, you will see the options for both Google Android and BlackBerry Tablet OS.

Programming Excel with VBA and .NET : Procedures - Properties & Events

The last kind of procedure is special type of Sub called an event procedure. Event procedures are where you write code that responds to things that happen in Excel, such as the user opening a workbook, clicking on a button, or changing a selection.

Programming Excel with VBA and .NET : Procedures - Arguments and Results

Procedures can have arguments , which let you pass values in to the procedure from somewhere, and they may return values through their name.

LINQ to Objects : Writing Basic Queries - How to Filter the Results (Where Clause)

One of the main tasks of a LINQ query is to restrict the results from a larger collection based on some criteria. This is achieved using the Where operator, which tests each element within a source collection and returns only those elements that return a true result when tested against a given predicate expression.

LINQ to Objects : Writing Basic Queries - Query Syntax Style Options

Not all operators are available through the query expression syntax built into the C# compiler, and to use the remaining operators (or to call your own operators), the extension method query syntax or a combination of the two is necessary.

DirectX 10 Game Programming : The 2D Resurgence - Sprites

2D games just wouldn’t be the same without sprites. Before you start thinking soda or fairies, sprites are 2D graphical representations of characters or objects within a game

DirectX 10 Game Programming : The 2D Resurgence - Textures

Textures are a core piece of any 2D game. Textures are simply the graphics your game uses. For instance, any graphics for a character, weapon, or house would use a texture. Textures are created through the use of applications like Photoshop, Paint Shop Pro, or even Windows paint.

Programming Excel with VBA and .NET : Tasks in Visual Basic - Run Other Applications

Within Visual Basic you may want to start another application to load data from Excel, to display a web page, to edit text files, or to perform some other task not easily done in Excel itself.

Programming Excel with VBA and .NET : Tasks in Visual Basic - Find Truth & Compare Bits

Computers use binary numbers internally. That's because they don't have 10 fingers to count on; they have only 2: on and off, which represent 1 and 0, respectively.

Programming WCF Services : Queued Services - Delivery Failures (part 2) - Processing the Dead-Letter Queue

The client needs to somehow process the accumulated messages in the DLQ. In the case of the system-wide DLQ, the client can provide a mega-service that supports all contracts of all queued endpoints on the system to enable it to process all failed messages.

Programming WCF Services : Queued Services - Delivery Failures (part 1) - Configuring the Dead-Letter Queue

The system-wide DLQ is a transactional queue, so you must have the ExactlyOnce binding property set to its default value of true and the Durable property set to its default value of true.

Parallel Programming with Microsoft Visual Studio 2010 : Task Parallelism - Cancellation

The sort algorithm sample code in the preceding section allows the three sort algorithms to run to completion. But logically, because all the sort algorithms wind up with the same results, you need to sort the integer collection only once—the fastest way possible.

Parallel Programming with Microsoft Visual Studio 2010 : Task Parallelism - Sort Examples

The sort algorithms to compare are bubble sort, insertion sort, and pivot sort. In this example, the potential dependency is the integer collection, which is sorted simultaneously by different sort algorithms.

jQuery 1.3 : DOM Manipulation - Wrapping elements & Copying elements

For copying elements, jQuery's .clone() method is just what we need; it takes any set of matched elements and creates a copy of them for later use.

iOS SDK : Debugging (part 4) - Instruments—Leaks

The Leaks instrument allows you to easily find memory leaks in your application. It tells you how many leaks occurred, each leak’s size, the address of the leak, and the leaked object’s type.

iOS SDK : Debugging (part 3) - NSZombieEnabled

When an object is deallocated, if there are any objects with a reference to the deallocated object, they are no longer referencing a valid object. Any messages sent to the deallocated object result in errors.

iOS SDK : Debugging (part 2) - Watchpoints

Sometimes you might be interested in having the program pause when a value changes. A watchpoint pauses the program when the watched item’s value changes. Setting a watchpoint is tricky the first time, but then it becomes easy.

iOS SDK : Debugging (part1 )

Debugging and testing your application is paramount if you wish to provide users with a robust application. Xcode provides several excellent tools for debugging and testing your applications.

iOS SDK : Installing Applications on an iPhone

Installing an application on an iPhone or iPod touch requires iPhone Developer membership. After you have a membership, installing an application is not difficult, as Apple’s Developer Portal provides step-by-step instructions.

Software Testing with Visual Studio Team System 2008 : Web Testing - Recording a test

Web applications can be easily tested by recording the requests with the recorder. This recorder will track all the web requests. We can easily find out the expected requests from the recorder and identify any defects coming along with the requested page.

Software Testing with Visual Studio Team System 2008 : Unit testing web services & Code coverage unit test

Similar to the web application, the web service can be hosted using IIS server or the local development server. If it is hosted in the IIS, just add the reference to the unit test application and call the web service method just like calling the method in the web application. ation bugs.

.NET Debugging : Introduction to the Tools - SOS & SOSEX

SOS is a debugger extension that can be used to debug .NET applications using the native debuggers. It provides a truly amazing set of commands that enables developers to delve deep into the CLR and help troubleshoot pesky application bugs.

.NET Debugging : CLR 4.0 - Synchronization & Interoperability

The thread pool that is available in CLR 2.0 provides a nice mechanism of queuing up work and having that work eventually be executed by one of the threads in the thread pool.

iPhone Programming : Connecting to the Network - Getting Data from the Internet

With the (re)emergence of REpresentational State Transfer (REST) as the dominant paradigm for modern web service architectures, chiefly championed by emerging Web 2.0 companies and platforms, the number of available services has grown significantly over the past few years.

iPhone Programming : Connecting to the Network - Sending Email

The MFMailComposeViewController class provides access to the same interface used by the Mail client to edit and send an email.

Programming Excel with VBA and .NET : Tasks in Visual Basic - Check Results

In many situations, you need to check the result of an operation to tell if it succeeded. The result-checking functions in Visual Basic let you test results before you take actions that might otherwise cause an error.