A Prayer to Holy Guardian Angels. Heavenly Father, Your infinite love for us has chosen a blessed angel in heaven and appointed him our guide during this earthly pilgrimage. Accept our thanks for so great a blessing. Grant. About this page. APA citation. Hanna, E. (1911). Purgatory. In The Catholic Encyclopedia. New York: Robert Appleton Company. http:// MLA citation. Hanna, Edward. 'Purgatory.' The Catholic. The Takbīr (تَكْبِير), also transcribed Tekbir or Takbeer, is the term for the Arabic phrase Allāhu akbar (الله أكبر), usually translated as 'God is [the] greatest'. It is a common Islamic Arabic expression. IDesign: Excellence. Professional Growth. Virgil: The Aeneid, Book I: a new downloadable English translation. Ardent Coins are given for fist invocation each day and you wont loose them until you spend them, but after visiting Vault of Piety you will notice that more coins will give you better rewards, so choose you goal and collect. I do not bake the bread, nor with it salt, Nor do I cook the honey with the wine, I bake the body and the blood and soul, The soul of (great) Diana, that she shall Know neither rest nor peace, and ever be In cruel suffering. E-Mail me your Problem [email protected]: Call: Monday to Friday +92-3111021061: Download Bhai Hanfi App: WhatsApp +92-3111021061: Free SMS Service Send 'Follow BhaiHanfi' to 40404: Follow me on Instagram. Articles. About the Great Invocation; Use and Significance of the Great Invocation; The Great Invocation : A Mantram for the New Age and for all Humanity. more. Read More. In this article, I am going to explain asynchronous method calls and how to use them. After playing with delegates, threads, and asynchronous invocation for so long, it would be a sin not to share some of my wisdom and. Title: Category: Description: Last Updated: Assembly Aliasing.NET Essentials.NET 2.0 allows you to resolve conflicts with type name collisions by aliasing one of the references. Using the extern alias directive, you can. Leadership. The IDesign serviceware downloads is a set of original techniques, tools, utilities and even breakthroughs. IDesign architects. The utilities are largely productivity- enhancing tools, or they compensate for some oversight in the design of . NET or WCF. The demos are also used during our Master Classes to demystify technical points, as lab exercises or to answer questions. The classes' attendees find the demos useful not only in class but after it. The demos serve as a starting point for new projects, and as a rich reference and samples source. There are two categories of downloads: . NET and WCF. The downloads are the result of 1. NET and educating the industry about it, covering C#. NET concepts, . NET application frameworks, system issues and Enterprise Services. The WCF downloads provide some essentials WCF demos as well as a rich reference for contract design. Windows Azure App. Fabric service bus. Subscribe to the IDesign Downloads feed. Filter by category. All - -Concurrency Management. Contracts. Data Contracts. Discovery. Essentials. Faults. Instance Management. Operations. Queuing. Security. Transactions. NET Essentials. Application Frameworks. C#Enterprise Services. Security. System Programming. Other. Windows Azure Service Bus. Fabric Actors. Fabric Services. Search in selected categories: Title. Category. Description. Last Updated. Asynchronous and Synchronous calls. Concurrency Management. You can rework the Svc. Util or VS generated proxy so that the same proxy will offer both synchronous and asynchronous calls. To download demonstrates the required code changes, as well as where to place the fault contracts. Asynchronous calls. Concurrency Management. WCF offers a the client a facility for dispatching calls to the service asynchronously. This is strictly a client- side feature, and the service itself is completely unaware that it is being called asynchronously. The client obviously needs a way to be notified when the calls complete and be able to harvest returned values or catch exceptions. All that is doe using a simple directive to Svc. Util: the /asyc switch that generates an asynchronous proxy. The download contains a sample asynchronous and synchronous proxy and a matching client, that uses a complete method to be notified when the call returns. Callbacks and Reentrancy. Concurrency Management. By default WCF will not let a service callback within a service operation to its clients. The reason is that by default the service uses single- threaded access – only one client is allowed to call it at a time. If the service were to allow to call back to its client it could result with a deadlock if the client will call to the service as a result of the callback to the client. To allow callbacks, you need to configure the service for reentrancy – that is, release the lock before the callback, as show in the demo. Callbacks thread Affinity Attribute. Concurrency Management. The solution demonstrates IDesign Callback. Thread. Affinity. Behavior - a custom endpoint behavior attribute that makes all callback instances (regardless of the worker threads used for the callbacks) execute on the same thread. The attribute uses IDesign custom . NET 2. 0 synchronization context that always marshals the calls to the same thread. This is instrumental is advanced cases such as thread local storage and COM interop as well as advanced synchronization needs. Calls Priority Attribute. Concurrency Management. By default, WCF calls execute in the order received by the service. This solution contains Calls. Priority. Behavior attribute - a custom attribute that relies on a custom synchronization context, which marshals the calls to a pool of threads. The calls are sorted based on priority, then executed. The client provides the priority to the proxy constructor. Form Host. Concurrency Management. Instead of having a service update a form, how about making the form itself the service? The solution demonstrates IDesign Form. Host< T> - an abstract class that simply by deriving from it makes your Windows Forms form a WCF singleton. Manual UI Updates. Concurrency Management. When a service needs to update UI, if the service is not using the UI synchronization context, the service must manually marshal the call (which comes in on a worker thread) to the UI thread. The easiest way of doing that is using an anonymous method and a synchronization context, as shown in the download. Multiple UI Threads. Concurrency Management. You can quite easily have your service update some UI on the host side. All you have to do is open the host on the UI thread after establishing the Windows Forms synchronization context. In fact, nothing prevent you from having multiple UI threads, each with its own set of Forms and services, as shown in the download. Reentrancy. Concurrency Management. While the main motivation for reentrancy configuration is callbacks, it has its use in with cyclic calling: Service A calling B calling C calling back into A. Without reentrancy this would mean a deadlock, as shown in the download. Safe Asynchronous Calls. Concurrency Managementby default, the completion callback of an asynchronous WCF call comes in on a thread from the thread pool. If the callback needs to execute on a particular thread (such as updating the UI with Windows Forms), you must marshal the call. The solution is IDesign's Async. Client. Base proxy base class, that will automatically marshal the call to the client synchronization context (if present). Safe Controls. Concurrency Management. Calls enter the service on worker threads. If the service needs to update Windows Forms forms and controls, it must marshal the update to the UI thread(s). Instead of using the synchronization context directly which serializes all calls to the service, you can use IDesign set of thread- safe Windows Forms controls - any service can access them as if running on the UI thread. This enables the same service to update multiple forms on multiple threads, and only marshal when necessary. Thread Affinity. Concurrency Management. By default, WCF will establish an affinity between the service host and the synchronization context it was created on. Since by default there is no synchronization context, client calls are services on arbitrary worker threads. The download contains IDesign custom . NET 2. 0 synchronization context that always marshals the calls to the same thread. By installing the custom synchronization context and then opening the host, all client calls are always routed to the same thread, thus establishing thread affinity between all instances and all endpoints of the service. Thread Affinity Attribute. Concurrency Management. The solution demonstrates IDesign Thread. Affinity. Behavior. Attribute - a custom service behavior attribute that makes all service instances (regardless of the service instance mode or concurrency mode) execute on the same thread. The attribute uses IDesign custom . NET 2. 0 synchronization context that always marshals the calls to the same thread. This is instrumental in advanced cases such as thread local storage and COM interop as well as advanced synchronization needs such as when creating a window (or a popup window) to be updated by the service. Thread Pool Attribute. Concurrency Management. By default, WCF calls execute on threads from the I/O completion ports thread pool. For some high- end scenarios, you may want to allocate a dedicated pool of threads to all calls of your service. This solution contains the Thread. Pool. Behavior attribute which lets you specify the size of that pool. A pool size of one will generate thread affinity. The technique used here is a custom synchronization context that marshals all incoming calls to the dedicated pool of threads. Timer Service and UI callbacks. Concurrency Management. The download contains an interesting concept – a service that acts like a timer, calling back to its clients on requested intervals. The service actually uses the . NET timer and delegates, and is a nice demo of how to bridge the two technologies - the timer delegates and the WCF callbacks. In addition, it demonstrates WCF ability to marshal the callbacks correctly to the UI thread the client it running on. UI Client and Worker Thread Callbacks. Concurrency Management. By default callbacks enter the client on worker threads. If the client is a Windows Forms object, you must marshal the calls to the UI thread. By default this is exactly what WCF will do if the client is a Windows Forms form. But if the client uses a worker thread to dispatch the calls, there will be no marshaling. The client may do so to avoid a deadlock if the service tries to call back during a service call. The download shows such a client that uses its own synchronization context to post messages back to its own UI thread to process the callbacks and avoid a deadlock. Windows Forms and Callbacks Concurrency Management. When callbacks enter the client, they do so on a worker thread. If the callback object is a Windows Forms object, that worker thread cannot access the form directly, and instead, the call must be marshaled to the UI thread. Fortunately, WCF can do that automatically for you. Simply call the proxy on the UI thread, and the callback will be marshaled to the UI thread in turn. The download demonstrates this behavior. Contract Overloading. Contracts. While C# and VB will let you overload interface methods, by default, WCF will not let you overload contract operations. However, using simple aliasing you could provide both the service and the client the overloaded programming model, as shown in the download. Metadata Helper. Contracts. The Metadata. Helper class provided for a runtime way of parsing and querying the contracts of a running service. It allows the client to find out programmatically if the service supports a specified contract, it obtains all contracts of a running service, or the operations of a specified contract.
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