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blog.stephencleary.com
This is an essential truth of async in its purest form: There is no thread. The objectors to this truth are legion. “No,” they cry, “if I am awaiting an operation, there must be a thread that is doing the wait! It’s probably a thread pool thread. Or an OS thread! Or something with a device driver…” Heed not those cries. If the async operation is pure, then there is no thread. The skeptical are not
Most people have already heard about the new “async” and “await” functionality coming in Visual Studio 11. This is Yet Another Introductory Post. First, the punchline: Async will fundamentally change the way most code is written. Yup, I believe async/await will have a bigger impact than LINQ. Understanding async will be a basic necessity just a few short years from now. Introducing the Keywords Le
There is a three-way handshake to open a TCP/IP connection, and a four-way handshake to close it. However, once the connection has been established, if neither side sends any data, then no packets are sent over the connection. TCP is an “idle” protocol, happy to assume that the connection is active until proven otherwise. TCP was designed this way for resiliency and efficiency. This design enables
This is a problem that is brought up repeatedly on the forums and Stack Overflow. I think it’s the most-asked question by async newcomers once they’ve learned the basics. UI Example Consider the example below. A button click will initiate a REST call and display the results in a text box (this sample is for Windows Forms, but the same principles apply to any UI application). // My "library" method
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