By Wouter de Kort
Arrange for Microsoft examination 70-483 - and aid show your real-world mastery of programming in C#. Designed for knowledgeable software program builders able to increase their prestige, examination Ref specializes in the critical-thinking and decision-making acumen wanted for fulfillment on the Microsoft professional point.
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This ebook provides the C# language in a uniquely succinct and visible layout. frequently in programming books, the data might be hidden in an enormous sea of phrases. As a programmer who has through the years used a dozen programming languages, the writer is familiar with it can sometimes be difficult to slog via one other 1,000-page booklet of dense textual content to benefit a brand new language.
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This also means that you shouldn’t go through your code to replace all your loops with parallel loops. You should use the Parallel class only when your code doesn’t have to be executed sequentially. Increasing performance with parallel processing happens only when you have a lot of work to be done that can be executed in parallel. For smaller work sets or for work that has to synchronize access to resources, using the Parallel class can hurt performance. The best way to know whether it will work in your situation is to measure the results.
You need to wait before they are finished. B. No, in a server application you don’t have to use async/await. It’s only for respon- siveness on the client. C. Yes, this will free your thread to serve other requests while waiting for the I/O to complete. D. Yes, this put your thread to sleep while waiting for I/O so that it doesn’t use any CPU. 2: Manage multithreading Although multithreading can give you a lot of advantages, it’s not easy to write a multithreaded application. Problems can happen when different threads access some shared data.
CompareExchange(ref value, newValue, compareTo); This makes sure that comparing the value and exchanging it for a new one is an atomic operation. This way, no other thread can change the value between comparing and exchanging it. Canceling tasks When working with multithreaded code such as the TPL, the Parallel class, or PLINQ, you often have long-running tasks. NET Framework offers a special class that can help you in canceling these tasks: CancellationToken. You pass a CancellationToken to a Task, which then periodically monitors the token to see whether cancellation is requested.
Exam Ref 70-483: Programming in C# by Wouter de Kort