Hello, I'm trying to improve the performance of a web method in one of our applications. I have got as far as I can get running the web method in a single server, so I thought I would try to split the process so that it runs in multiple servers. At the moment, an xmlhttp request is made to pass an array (quepasatio) with all the objec...
I was going through MSDN documentation on WebServices. Here and here, both these links talk about calling a webservice and wait for the response, which is also a general trend that I have seen while asynch implementation. I don't understand "why do we need to wait for service call to return"? And, if we are waiting why don't make an syn...
So I have two classes: IOPin & Node A Node has a set of IOPins. To support loose coupling, and separation of concerns, I don't want the IOPins to have to know anything about Node. The Node should deal with adding/removing IOPins and should also deal with any error checking logic associated with this. This causes an issue when I want ...
Asynchronous and concurrent programmings seams to be on everyones minds these days and .NET 4 adds a number of improvements such as built-in thread safe collections and of course tasks. On top of this I've started looking at the Reactive Framework (Rx). Tasks appears to be primarily more focused on concurrency for computation performanc...
I cannot find the solution for this problem, here is the simplified example: On a windows form I have 2 text boxes (invokeText1, invokeText2) and two buttons (invokeButton1, invokeButton2). There are both button clicks: private void invokeButton1_Click(object sender, EventArgs e) { Form1.GetVersionCompleted += (object sender...
Hi, msdn give's us this example to retrieve the post data. public static void ShowRequestData (HttpListenerRequest request) { if (!request.HasEntityBody) { Console.WriteLine("No client data was sent with the request."); return; } System.IO.Stream body = request.InputStream; System.Text.Encod...
My plan is to have a user write down a movie title in my program and my program will pull the appropiate information asynchronously so the UI doesn't freeze up. Here's the code: public class IMDB { WebClient WebClientX = new WebClient(); byte[] Buffer = null; public string[] SearchForMovie(string SearchPar...
Hello, here's my code: public string[] SearchForMovie(string SearchParameter) { WebClientX.DownloadDataCompleted += new DownloadDataCompletedEventHandler(WebClientX_DownloadDataCompleted); WebClientX.DownloadDataAsync(new Uri( "http://www.imdb.com/find?s=all&q=ironman+&x=0&y=0")); stri...
I'll post my entire class and maybe someone with MUCH more experience can help me design something better. I'm really new to doing things Asynchronously, so I'm really lost here. Hopefully my design isn't TOO bad. :P IMDB Class: public class IMDB { WebClient WebClientX = new WebClient(); byte[] Buffer = null; public string...
In many cases I wish animation to be executed synchronously. Especially when I wish to make a a series of sequential animations. Is there an easy way to make a jQuery animate function call synchronous? The only way I thought about is to set a flag true when the animation has finished and to wait for this flag. ...
Hello. My asking is quite simple and is about asynchronous sockets, working with TCP protocol. When I send some data with the "BeginSend" method, when will the callback be called? Will it be called when the data is just sent out to the network, or when we are ensured that the data as reached its destination (like it should be regardin...
Aside from the Microsoft documentation, does anyone know of a good introduction and tutorial to the Microsoft Reactive (Rx) framework? Also, could someone articulate a good example (with code) of a programming problem that is challenging to solve using conventional asynchronous coding techniques that Reactive makes easier. ...
Hi there, I'm fetching some data from Facebook Connect (using the FBConnect Objective-C 2.0 framework) and I'm doing all that in an NSOperation. It is in an NSOperation because I have several other operations that run as well and this is one of them. The problem is that all the FBConnect calls are asynchronous. Because of this, the mai...
So I'm a little confused by this terminology. Everyone refers to "Asynchronous" computing as running different processes on seperate threads, which gives the illusion that these processes are running at the same time. This is not the definition of the word asynchronous. a⋅syn⋅chro⋅nous –adjective 1. not occurring at the same time. 2...
I have this class called SiteAsyncDownload.cs Here's the code: public class SiteAsyncDownloader { WebClient Client = new WebClient(); string SiteSource = null; /// <summary> /// Download asynchronously the source code of any site in string format. /// </summary> /// <param name="URL">Site URL to download.</para...
I would like to use the Google AJAX Feed API to fetch multiple newsfeeds and display them on a webpage. I can't use Google's FeedControl class because I want to control the way the items of the feed are displayed. That leaves me with Google's Feed class as the only option. I've got it to work with a single feed: provide a url and a c...
I have a page that needs to combine data from four different webrequests into a single list of items. Currently, I'm running these sequentially, appending to a single list, then binding that list to my repeater. However, I would like to be able to call these four webrequests asynchronously so that they can run simultaneously and save lo...
Asynchronous operations with I/O Completion Ports return 0 bytes transferred, although the I/O operations work as expected (my read buffers become full). BYTE buffer[1024] = {0}; OVERLAPPED o = {0}; HANDLE file = CreateFile( _T("hello.txt"), GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, FILE_FLAG_OVERLAPPED...
I have a WCF client (C#) which is communicating with a WCF server. This clients are doing calls asynchronously. I'm wondering whether the following is a good or bad idea: When calling the asynchronous operation from my WCF client, I set the object asyncState variable to the proxy object. In my callback function, I extract the proxy obje...
On Async webservice on complete event, there is a code like belows. Debug.Assert(Dispatcher.CheckAccess()); // don't do marshaling here- it's already runinng on UI thread! Does anybody know what happens if I remove this code? or able answer my questions? ...