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c# - Asynchronous multi-direction server-client communication over the same open socket?

c# - Asynchronous multi-direction server-client communication over the same open socket?

I have a client-server app where the client is on a Windows Mobile 6 device, written in C++ and the server is on full Windows and written in C#. Originally, I only needed it to send messages from the…


What's the idiomatic way to do async socket programming in Delphi?

What is the normal way people writing network code in Delphi use Windows-style overlapped asynchronous socket I/O? Here's my prior research into this question: The Indy components seem entirely synch…


lock keyword in C#

I understand the main function of the lock key word from MSDN lock Statement(C# Reference) The lock keyword marks a statement block as a critical section by obtaining the mutual-exclusion lock…


.net - What prevents a Thread in C# from being Collected?

In.NET, after this code, what mechanism stops the Thread object from being garbage collected? new Thread(Foo).Start(); GC.Collect(); Yes, it's safe to assume something has a reference to the thread,…


c# - Find the next TCP port in.Net

I want to create a new net.tcp://localhost:x/Service endpoint for a WCF service call, with a dynamically assigned new open tcp port. I know that TcpClient will assign a new client side port when I ope…



Can Dns.GetHostEntry ever return an IPHostEntry with an empty AddressList?

I'm just wondering if there can be a case where the hostname can be successfully resolved but the returned hostEntry.AddressList is empty. Currently I'm doing something like this: IPHostEntry hostEnt…


c# - How to use HttpWebRequest(.NET) asynchronously?

How can I use HttpWebRequest(.NET, C#) asynchronously?…


Pattern for wrapping an Asynchronous JavaScript function to make it synchronous

I'm working with a JavaScript API where most of the functions are asynchronous. The API is the WebKit JavaScript Database API which is a binding to a subset of functionality to manipulate SQLite3 da…


c# - How to write Asynchronous LINQ query?

After I read a bunch of LINQ related stuff, I suddenly realized that no articles introduce how to write asynchronous LINQ query. Suppose we use LINQ to SQL, below statement is clear. However, if the…


c# - Streaming directly to a database

I'm using c#, and have an open tcpip connection receiving data. Is it possible to save the stream to an ms sql server database as I'm receiving it, instead of receiving all the data then saving it a…




async task example method javascript without promise explained and wait