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In .NET, one often refers to other assemblies that contain specific modules that you can use in your application. Say, you reference a DLL that contains some classes that you will use in your application. Suppose the application is deployed. Now, suppose you want to move one class of the DLL to another assembly. What can you do in this situation with old coding methodoligies? The old methodologies say, Remove the class from the existing DLL. Create another DLL (assembly) using that class. Recompile both the DLLs. From your application, add a reference to the new DLL. Recompile the application. Re-deploy the whole thing. Wouldn't it be nice to leave the deployed application untouched, and make whatever changes are needed in the DLLs? Obviously, that would be nicer. That's where the TypeForwardedTo  attribute comes into the scene. By using this, you can move your necessary classes out to a new assembly. Now, when your application looks for the class in the old DLL, th...

A thread in a process can migrate from processor to processor, with each migration reloading the processor cache. Under heavy system loads, specifying which processor should run a specific thread can improve performance by reducing the number of times the processor cache is reloaded. The association between a processor and a thread is called the processor affinity. Each processor is represented as a bit. Bit 0 is processor one, bit 1 is processor two, and so forth. If you set a bit to the value 1, the corresponding processor is selected for thread assignment. When you set the  ProcessorAffinity  value to zero, the operating system's scheduling algorithms set the thread's affinity. When the  ProcessorAffinity  value is set to any nonzero value, the value is interpreted as a bitmask that specifies those processors eligible for selection. The following table shows a selection of  ProcessorAffinity  values for an eight-processor system. Bitmask Bina...

The only similarity between a web site and a web application is that they both access HTML documents using the HTTP protocol over an internet or intranet connection. However, there are some differences which I shall attempt to identify in the following matrix: Web Site Web Application 1 Will usually be available on the internet, but may be restricted to an organisation's intranet. Will usually be restricted to the intranet owned by a particular organisation, but may be available on the internet for employees who travel beyond the reach of that intranet. 2 Can never be implemented as a desktop application. May have exactly the same functionality as a desktop application. It may in fact be a desktop application with a web interface. 3 Can be accessed by anybody. Can be accessed by authorised users only. 4 Can contain nothing but a collection of static pages. Although it is possible to pull the page content from a database such pages are rarely updated after they have been crea...

Why not use a cloud storage provider? The most persuasive argument against using cloud storage for primary storage  is application performance. Application performance is highly sensitive to storage response times. The longer it takes for the application's storage to respond to a read or write request, the slower that application performs.  Public cloud storage by definition resides in a location geographically distant from your physical storage when measured in cable distance. Response time for an application is measured in round-trip time (RTT). There are numerous factors that add to that RTT. One is speed of light latency, which there is no getting around today. Another is TCP/IP latency. Then there is a little thing called packet loss that can really gum up response time because of retransmissions. It is easy to see that for the vast amount of SMB(small mid sized business) primary applications, public cloud storage performance will be unacceptable.  When d...