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  • END_TAG exception while calling WCF WebService from Android using KSOAP2?

    - by sunil
    Hi, I am trying to call a WCF Web Service from Android using KSOAP2 library. But I am getting this END_TAG exception. I have followed this thread to call WCF Web Service but still no result. I am passing "urn:TestingWcf/GetNames" as SOAP_ACTION, does this causes problem in Android since the error occurs at the statement "aht.call(SOAP_ACTION, envelope)" where aht is AndroidHttpTransport class object. Can someone let me know what the problem may be? import org.ksoap2.*; import org.ksoap2.serialization.*; import org.ksoap2.transport.*; import android.app.Activity; import android.os.Bundle; import android.widget.TextView; public class Ksoap2Test extends Activity { private static final String METHOD_NAME = "GetNamesJsonWithParam" private static final String NAMESPACE = "http://tempuri.org/"; private static final String URL = "http://192.168.3.61/BattleEmpire.Service/TestingWcf.svc/basic"; final String SOAP_ACTION = "urn:TestingWcf/GetNamesJsonWithParam"; TextView tv; StringBuilder sb; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); tv = new TextView(this); sb = new StringBuilder(); call(); tv.setText(sb.toString()); setContentView(tv); } public void call() { try { SoapObject request = new SoapObject(NAMESPACE, METHOD_NAME); request.addProperty("imran", "Qing"); SoapSerializationEnvelope envelope = new SoapSerializationEnvelope(SoapEnvelope.VER11); envelope.dotNet = true; envelope.setOutputSoapObject(request); System.out.println("Request " + envelope.toString()); //HttpTransportSE androidHttpTransport = new HttpTransportSE(URL); AndroidHttpTransport aht = new AndroidHttpTransport(URL); aht.call(SOAP_ACTION, envelope); //aht.debug = true; /*HttpTransportSE androidHttpTransport = new HttpTransportSE(URL); androidHttpTransport.call(SOAP_ACTION, envelope);*/ SoapPrimitive result = (SoapPrimitive)envelope.getResponse(); //to get the data String resultData = result.toString(); // 0 is the first object of data sb.append(resultData + "\n"); SoapObject resultsRequestSOAP = (SoapObject) envelope.bodyIn; System.out.println(resultsRequestSOAP.toString()); } catch (Exception e) { e.printStackTrace(); sb.append("Error:\n" + e.getMessage() + "\n"); } } } `

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  • Recovering domain name from a person I can't find

    - by Daniel Gruszczyk
    I have a problem with one domain and I have no idea how to go about it. I am volunteering for a small charity in Sheffield (UK), more specifically I am redoing their website. A while ago (few years) there was one guy who made that website for them, sorted out a free hosting with another charity, bought domain name etc. Since the domain name is registered in his name, and he disappeared and we have no way of finding/contacting him, we can't move it to different hosting or do virtually nothing about it. Somehow the domain is being renewed every year, we know which domain registration service provider it is registered with, we know the guys name, and that's about it. How would we go about re-registering that domain in the charity's name, instead of that guy, is that at all possible? If we happen to get in touch with him, what should we ask for? Thanks for your help.

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  • Windows 7 interfering with smart cards

    - by Dennis
    I have an application that uses the PC/SC API to communicate with smart cards. On Windows 7, I get strange results: the data returned from the cards is inconsistent and invalid with certain commands. If I disable the Smart Card Plug and Play service in group policy then everything works fine. Has anyone experienced anything similar? Is there any way to get the smart card plug and play service to play nice? It would be nice to not have to disable it...

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  • How to make a Webservice request follow a redirect?

    - by frappuccino
    My application neeeds to access a third part web service. Of late, they have introduced a load balancer, which redirects to the server. Because of this the webservice gets a 302 - Redirect error as response. In the SOAPUI, I was able to enable a property called "Follow Redirect", and because of this service followed the redirect and served by the server. Now is there a similar propety that can be turned on in the code, which would make the webservice follow the request? (The calling code is java and the webservice is in .net)

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  • Code Signing Services

    - by bogdan
    I'm developing a System Preference Pane that runs a background application. I'm planning on codesigning the background application and I'll be using the kill flag of codesign (http://gemma.apple.com/mac/library/documentation/Darwin/Reference/ManPages/man1/codesign.1.html). From my understanding, this kill flag will not allow the background application to be run if it's signature doesn't match. My problem with this approach is that it doesn't provide any feedback to the user and, for somewhat reason, the application gets corrupted, it will refuse to launch without any information. I'd like to use the Code Signing Service from the System Preference Pane to check the validity of the background application. However, I couldn't find how to use it to check the validity of an external file. Is this possible using the Code Signing Service or should I NSTask codesign directly? My application is targeted for 10.6 so it doesn't matter which I use. Thank you!

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  • Distribute EXE without config file (Webservice in WinForm)

    - by Marc vB
    I have created a WinForm app (VB.NET 2008) that references to a webservice which was added via "Add Service Reference". The app works ok. Question is about distribution of the app. It looks like I need to install the app's config file with the EXE, however I don't want that because the config files shows the actual url of the web service which is not whatt I want. So, is it possible to use a webservice in a WinForm app and only have to install the resulting EXE?

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  • C# - Process.Start - Pass html code to exe as argument

    - by dkirk
    Hello, I am using the code below to start a executable file from a windows service and I need to pass html code (stored in a variable) as an argument. I am escaping with double quotes but this is not working. What do I need to do in order to pass this correctly? Thanks in advance for any guidance that is offered. Inside the service: Process.Start(@"E:\Program Files\MyApp.exe", dr["rec"].ToString() + " \"" + subject + "\" \"" + htmlVar); and then within MyApp.exe: static void Main(string[] args) { Program MyProg = new Program(); MyProg.MyMeth(args[0].ToString(), args[1].ToString(), args[2].ToString()); }

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  • WCF issues with KnownType for Dictionary

    - by Tom Frey
    Hi, I have a service that implements the following DataMember: [DataMember] public Dictionary<string, List<IOptionQueryResult>> QueryResultItems { get; set; } I have the class "OptionQuerySingleResult" which inherits from IOptionQueryResult. Now, I understand that I need to make the OptionQueryResult type "known" to the Service and thus tried to add the KnownType in various ways: [KnownType(typeof(Dictionary<string, OptionQuerySingleResult[]>))] [KnownType(typeof(Dictionary<string, List<OptionQuerySingleResult>>))] [KnownType(typeof(OptionQuerySingleResult)] However, none of those approaches worked and on the client side I'm either getting that deserialization failed or the server simply aborted the request, causing a connection aborted error. Does anyone have an idea on what's the proper way to get this to work? I'd like to add, the if I change the QueryResultItems definition to use the concrete type, instead of the interface, everything works just fine. Thanks, Tom

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  • WPF properties memory management

    - by mrpyo
    I'm trying to build binding system similar to the one that is used in WPF and I ran into some memory leaking problems, so here comes my question - how is memory managed in WPF property system? From what I know in WPF values of DependencyProperties are stored in external containers - what I wanna know is how are they collected when DependencyObject dies? Simplest solution would be to store them is some weak reference dictionary - but here comes the main problem I ran into - when there is a listener on property that needs reference to its (this property) parent it holds it (the parent) alive (when value of weak reference dictionary points somewhere, even indirectly, to key - it can't be collected). How is it avoided in WPF without the need of using weak references everywhere?

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  • What is the SEO impact of moving my domain to another IP address and what is the right way of doing this?

    - by ElHaix
    I am planning to move several websites to a new hosting provider - keeping the same URL but will resolve to different IP addresses. For example, some sites are Canadian content-only sites, hosted on .CA domains sitting on Canadian IP addresses. I want to move these to Amazon servers which have US IP addresses. The domain names will remain the same. (1) What is the SEO impact of this? (2) Will the site lose some ranking if the sites are moved to a new IP address (Canadian or not), and if so, what is the cleanest way of accomplishing this (some kind of 301's)?

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  • MySQL Connector/Net 6.8.0 alpha has been released

    - by Roberto Garcia
    Dear MySQL users, MySQL Connector/Net 6.8.0, a new version of the all-managed .NET driver for MySQL has been released. This is an alpha release for 6.8.x and it's not recommended for production environments.It is appropriate for use with MySQL server versions 5.0-5.6 It is now available in source and binary form from http://dev.mysql.com/downloads/connector/net/#downloads and mirror sites (note that not all mirror sites may be up to date at this point-if you can't find this version on some mirror, please try again later or choose another download site.) The 6.8.0 version of MySQL Connector/Net has support for Entity Framework 6.0 including: - Async Query and Save- Code-Based Configuration- Dependency Resolution- DbSet.AddRange/RemoveRange- Code First Mapping to Insert/Update/Delete Stored Procedures - Configurable Migrations History Table- DbContext can now be created with a DbConnection that is already opened- Custom Code First Conventions The release is available to download at http://dev.mysql.com/downloads/connector/net/#downloads Documentation-------------------------------------You can view current Connector/Net documentation at http://dev.mysql.com/doc/refman/5.6/en/connector-net.html You can find our team blog at http://blogs.oracle.com/MySQLOnWindows You can also post questions on our forums at http://forums.mysql.com/ Enjoy and thanks for the support! Connector/NET Team

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  • What is the best server side solution for a real-time GPS tracking system

    - by Ayman
    Well, I tried to ask this question as a comment on this question, but I thought that maybe no one will notice it, so I decided to ask it as a separate one. The question is about how to do real-time GPS tracking system things; if we have the following scenario: Rather than connecting a GPS receiver to a PC, the user will have a mobile device with an integrated GPS receiver. Location data will be sent over mobile network using GPRS data connection to a server side. The data will be processed and a KML path file will be created and updated on time intervals and used to track the user using Google Earth. The question is: what is the best method to accomplish this scenario for the server side; is it a web service, a web application, a windows service, a windows application or what exactly? Taking into account that the system will serve a number of users simultaneously, and that more users may use the system in the future(scalability issues). Thank you in advance and I highly appreciate any help :)

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  • Client Side Development - In Process/Completed Indicator Preferences?

    - by Brian
    Hello, I have been doing more client-side development, managing the UI on the client and submitting data to the server via web service calls. I'm not looking for implementation details, but was curious on developer preferences for displaying an operation in process and what to display when completed or even failed. As a for instance, just for clarification sake, what if you are submitting a profile form's data to a web service. I want to display that something's happening to the user, and give them a message that the form submitted successfully. I've in the past used a twitter-style message (that appears at the top), modal dialogs... I was curious what worked for others and any advice (what did the users like/not like, etc.). Again, technical details aren't needed. Thanks.

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  • 2D Planet Gravity

    - by baked
    I'm trying to make a simple game where a spaceship is launched and then its path is effected by the gravity of planets. Similar to this game: http://sciencenetlinks.com/interactives/gravity.html I wish to know how to replicate the effect the planets have on the spaceship in this game so a spaceship can 'loop' around a planet to change direction. I have managed to achieve some bogus results where the spaceship loops in a huge ellipse around the planet or is only slightly affected by the gravity of a planet using Vectors. Thanks in advance. p.s I have plenty of coding experience just none to do with game dev.

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  • sound card is not working

    - by ralph crowhurst
    I've installed Ubuntu 11.4 on my dell xps m2010 using wubi. Then booted up and could not connect to the Internet using 3three huawei e122 usb mobile broadband (I would like this to work also). I've managed to connect through a wireless network, I went to my favorite sites and was told I needed to install adobe flash player.This what I did players run and picture is good. But there is no sound! Then I've tried to play songs in Banshee, but no sound. I have checked everything in sound preferences including test speaker, there is sound. I have sigmatel sound card. Thanks

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  • Unable to use Client Application Services with custom MembershipProvider.

    - by Shimmy
    Hi, I have a Windows-Forms Application that I configured to use with an ASP.NET Service that is an Authentication service using a custom MembershipProvider. When I call Membership.CreateUser in the Windows Application a NotSupportedException is thrown telling: "Specified method is not supported.". I tried creating a web page in the website and test the MembershipProvider, everything works just fine when woeking from within the website. Any ideas or link for how to use custom (not SqlMembershipProvider) MembershipProvider will be really appreciated! Edit: The method ValidateUser does work. The overriden CreateUser doesn't work I tried Override Sub CreateUser(.......) As MembershipUser Return New User() End Sub But I still get the same excetption as before.

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  • Why enumerator structs are a really bad idea

    - by Simon Cooper
    If you've ever poked around the .NET class libraries in Reflector, I'm sure you would have noticed that the generic collection classes all have implementations of their IEnumerator as a struct rather than a class. As you will see, this design decision has some rather unfortunate side effects... As is generally known in the .NET world, mutable structs are a Very Bad Idea; and there are several other blogs around explaining this (Eric Lippert's blog post explains the problem quite well). In the BCL, the generic collection enumerators are all mutable structs, as they need to keep track of where they are in the collection. This bit me quite hard when I was coding a wrapper around a LinkedList<int>.Enumerator. It boils down to this code: sealed class EnumeratorWrapper : IEnumerator<int> { private readonly LinkedList<int>.Enumerator m_Enumerator; public EnumeratorWrapper(LinkedList<int> linkedList) { m_Enumerator = linkedList.GetEnumerator(); } public int Current { get { return m_Enumerator.Current; } } object System.Collections.IEnumerator.Current { get { return Current; } } public bool MoveNext() { return m_Enumerator.MoveNext(); } public void Reset() { ((System.Collections.IEnumerator)m_Enumerator).Reset(); } public void Dispose() { m_Enumerator.Dispose(); } } The key line here is the MoveNext method. When I initially coded this, I thought that the call to m_Enumerator.MoveNext() would alter the enumerator state in the m_Enumerator class variable and so the enumeration would proceed in an orderly fashion through the collection. However, when I ran this code it went into an infinite loop - the m_Enumerator.MoveNext() call wasn't actually changing the state in the m_Enumerator variable at all, and my code was looping forever on the first collection element. It was only after disassembling that method that I found out what was going on The MoveNext method above results in the following IL: .method public hidebysig newslot virtual final instance bool MoveNext() cil managed { .maxstack 1 .locals init ( [0] bool CS$1$0000, [1] valuetype [System]System.Collections.Generic.LinkedList`1/Enumerator CS$0$0001) L_0000: nop L_0001: ldarg.0 L_0002: ldfld valuetype [System]System.Collections.Generic.LinkedList`1/Enumerator EnumeratorWrapper::m_Enumerator L_0007: stloc.1 L_0008: ldloca.s CS$0$0001 L_000a: call instance bool [System]System.Collections.Generic.LinkedList`1/Enumerator::MoveNext() L_000f: stloc.0 L_0010: br.s L_0012 L_0012: ldloc.0 L_0013: ret } Here, the important line is 0002 - m_Enumerator is accessed using the ldfld operator, which does the following: Finds the value of a field in the object whose reference is currently on the evaluation stack. So, what the MoveNext method is doing is the following: public bool MoveNext() { LinkedList<int>.Enumerator CS$0$0001 = this.m_Enumerator; bool CS$1$0000 = CS$0$0001.MoveNext(); return CS$1$0000; } The enumerator instance being modified by the call to MoveNext is the one stored in the CS$0$0001 variable on the stack, and not the one in the EnumeratorWrapper class instance. Hence why the state of m_Enumerator wasn't getting updated. Hmm, ok. Well, why is it doing this? If you have a read of Eric Lippert's blog post about this issue, you'll notice he quotes a few sections of the C# spec. In particular, 7.5.4: ...if the field is readonly and the reference occurs outside an instance constructor of the class in which the field is declared, then the result is a value, namely the value of the field I in the object referenced by E. And my m_Enumerator field is readonly! Indeed, if I remove the readonly from the class variable then the problem goes away, and the code works as expected. The IL confirms this: .method public hidebysig newslot virtual final instance bool MoveNext() cil managed { .maxstack 1 .locals init ( [0] bool CS$1$0000) L_0000: nop L_0001: ldarg.0 L_0002: ldflda valuetype [System]System.Collections.Generic.LinkedList`1/Enumerator EnumeratorWrapper::m_Enumerator L_0007: call instance bool [System]System.Collections.Generic.LinkedList`1/Enumerator::MoveNext() L_000c: stloc.0 L_000d: br.s L_000f L_000f: ldloc.0 L_0010: ret } Notice on line 0002, instead of the ldfld we had before, we've got a ldflda, which does this: Finds the address of a field in the object whose reference is currently on the evaluation stack. Instead of loading the value, we're loading the address of the m_Enumerator field. So now the call to MoveNext modifies the enumerator stored in the class rather than on the stack, and everything works as expected. Previously, I had thought enumerator structs were an odd but interesting feature of the BCL that I had used in the past to do linked list slices. However, effects like this only underline how dangerous mutable structs are, and I'm at a loss to explain why the enumerators were implemented as structs in the first place. (interestingly, the SortedList<TKey, TValue> enumerator is a struct but is private, which makes it even more odd - the only way it can be accessed is as a boxed IEnumerator!). I would love to hear people's theories as to why the enumerators are implemented in such a fashion. And bonus points if you can explain why LinkedList<int>.Enumerator.Reset is an explicit implementation but Dispose is implicit... Note to self: never ever ever code a mutable struct.

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  • How to set up 3rd party developer portal

    - by Michael
    I am developing a web service and depend on 3rd party developers to write client applications for it. I need to set a developer portal, a web site where existing and potential developers would find documentation html pages doc files for download libraries downloads wiki forums support ticketing system. There should be a public part and a part protected by login. I want only logged in users to submit tickets, for example. I don't want to host it. I would prefer a generic design based on a sensible template, where I can add minimal customization, such as logo. I don't want to add code to get any of the above functionality. I will do all that if necessary, but I'd hope there would be an online service to do thing like that. What services would you guys recommend?

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  • getting the name of the calling method

    - by zeocrash
    Basically i've got a web service that i'm trying to put some kind of usage logging in. To do this i've created a class with a logging method. I instatiate the class on the service and then call the logging method in each of the web methods. I'm trying to find a way of getting the name of the method that has called the loggong method Public sub tstmethod log_object.log_method end sub in this case the returned name i'm looking for is "tstmethod" Everywhere i've seen has said to either use Dim stackframe As New Diagnostics.StackFrame Return stackframe.GetMethod.Name.ToString Or to use Dim stackframe As New Diagnostics.StackFrame Return stackframe.GetMethod.DeclaringType.FullName which i call inside the logging method getmethod.name.tostring returns the name of the logging method getmethod.declaringtype.fullname returns the name of the logging class no matter what i do i cannot find a way of getting the name of the method that called the logging method in this case "tstmethod"

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  • Hibernate Lazy initialization exception problem with Gilead in GWT 2.0 integration

    - by sylsau
    Hello, I use GWT 2.0 as UI layer on my project. On server side, I use Hibernate. For example, this is 2 domains entities that I have : public class User { private Collection<Role> roles; @ManyToMany(cascade = CascadeType.ALL, fetch = FetchType.LAZY, mappedBy = "users", targetEntity = Role.class) public Collection<Role> getRoles() { return roles; } ... } public class Role { private Collection<User> users; @ManyToMany(cascade = CascadeType.ALL, fetch = FetchType.LAZY, targetEntity = User.class) public Collection<User> getUsers() { return users; } ... } On my DAO layer, I use UserDAO that extends HibernateDAOSupport from Spring. UserDAO has getAll method to return all of Users. And on my DAO service, I use UserService that uses userDAO to getAll of Users. So, when I get all of Users from UsersService, Users entities returned are detached from Hibernate session. For that reason, I don't want to use getRoles() method on Users instance that I get from my service. What I want is just to transfer my list of Users thanks to a RPC Service to be able to use others informations of Users in client side with GWT. Thus, my main problem is to be able to convert PersistentBag in Users.roles in simple List to be able to transfer via RPC the Users. To do that, I have seen that Gilead Framework could be a solution. In order to use Gilead, I have changed my domains entities. Now, they extend net.sf.gilead.pojo.gwt.LightEntity and they respect JavaBean specification. On server, I expose my services via RPC thanks to GwtRpcSpring framework (http://code.google.com/p/gwtrpc-spring/). This framework has an advice that makes easier Gilead integration. My applicationContext contains the following configuration for Gilead : <bean id="gileadAdapterAdvisor" class="org.gwtrpcspring.gilead.GileadAdapterAdvice" /> <aop:config> <aop:aspect id="gileadAdapterAspect" ref="gileadAdapterAdvisor"> <aop:pointcut id="gileadPointcut" expression="execution(public * com.google.gwt.user.client.rpc.RemoteService.*(..))" /> <aop:around method="doBasicProfiling" pointcut-ref="gileadPointcut" /> </aop:aspect> </aop:config> <bean id="proxySerializer" class="net.sf.gilead.core.serialization.GwtProxySerialization" /> <bean id="proxyStore" class="net.sf.gilead.core.store.stateless.StatelessProxyStore"> <property name="proxySerializer" ref="proxySerializer" /> </bean> <bean id="persistenceUtil" class="net.sf.gilead.core.hibernate.HibernateUtil"> <property name="sessionFactory" ref="sessionFactory" /> </bean> <bean class="net.sf.gilead.core.PersistentBeanManager"> <property name="proxyStore" ref="proxyStore" /> <property name="persistenceUtil" ref="persistenceUtil" /> </bean> The code of the the method doBasicProfiling is the following : @Around("within(com.google.gwt.user.client.rpc.RemoteService..*)") public Object doBasicProfiling(ProceedingJoinPoint pjp) throws Throwable { if (log.isDebugEnabled()) { String className = pjp.getSignature().getDeclaringTypeName(); String methodName = className .substring(className.lastIndexOf(".") + 1) + "." + pjp.getSignature().getName(); log.debug("Wrapping call to " + methodName + " for PersistentBeanManager"); } GileadHelper.parseInputParameters(pjp.getArgs(), beanManager, RemoteServiceUtil.getThreadLocalSession()); Object retVal = pjp.proceed(); retVal = GileadHelper.parseReturnValue(retVal, beanManager); return retVal; } With that configuration, when I run my application and I use my RPC Service that gets all of Users, I obtain a lazy initialization exception from Hibernate from Users.roles. I am disappointed because I thought that Gilead would let me to serialize my domain entities even if these entities contained PersistentBag. It's not one of the goals of Gilead ? So, someone would know how to configure Gilead (with GwtRpcSpring or other solution) to be able to transfer domain entities without Lazy exception ? Thanks by advance for your help. Sylvain

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  • Process.Start - Pass html code to exe as argument

    - by dkirk
    Hello, I am using the code below to start a executable file from a windows service and I need to pass html code (stored in a variable) as an argument. I am escaping with double quotes but this is not working. What do I need to do in order to pass this correctly? Thanks in advance for any guidance that is offered. Inside the service: Process.Start(@"E:\Program Files\MyApp.exe", dr["rec"].ToString() + " \"" + subject + "\" \"" + htmlVar); and then within MyApp.exe: static void Main(string[] args) { Program MyProg = new Program(); MyProg.MyMeth(args[0].ToString(), args[1].ToString(), args[2].ToString()); }

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  • Samsung Sells 10 Million Galaxy S Smartphones

    - by Gopinath
    Since it’s launch in June 2010, Samsung managed to sell 10 million Galaxy S smartphones around the world. Out of the 10 million units sold, US sales accounted for 4 million units and Europe 2.5 million units. JK Shin, President and Head Of Mobile communications at Samsung says: The Galaxy S is the result of our 22 year heritage in the mobile industry. It is the realization of our concept of ‘the Smart Life’ – we wanted to makes users’ lives more convenient, more exciting, and more integrated. Today’s milestone shows that we have succeeded: 10 million Galaxy S users around the world are living the Smart Life. Samsung Galaxy is one of the most popular Android phone launched in 2010. This article titled,Samsung Sells 10 Million Galaxy S Smartphones, was originally published at Tech Dreams. Grab our rss feed or fan us on Facebook to get updates from us.

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  • how to read values from the remote OPC Server

    - by Shailesh Jaiswal
    I have created one asp.net web service. In this web service I am using the web method as follows. The web service is related to the OPC ( OLE for process control) public string ReadServerItems(string ServerName) { string txt = ""; ArrayList obj = new ArrayList(); XmlServer Srv = new XmlServer("XDAGW.CS.WCF.Eval.1"); RequestOptions opt = new RequestOptions(); ReadRequestItemList iList = new ReadRequestItemList(); iList.Items = new ReadRequestItem[3]; iList.Items[0] = new ReadRequestItem(); iList.Items[0].ItemName = "ServerInfo.ConnectedClients"; iList.Items[1] = new ReadRequestItem(); iList.Items[1].ItemName = "ServerInfo.TotalGroups"; iList.Items[2] = new ReadRequestItem(); iList.Items[2].ItemName = "EventSources.Area1.Tracking"; ReplyItemList rslt; OPCError[] err; ReplyBase reply = Srv.Read(opt, iList, out rslt, out err); if ((rslt == null)) txt += err[0].Text; else { foreach (xmldanet.xmlda.ItemValue iv in rslt.Items) { txt += iv.ItemName; if (iv.ResultID == null) // success { txt += " = " + iv.Value.ToString() + "\r\n"; obj.Add(txt); } else txt += " : Error: " + iv.ResultID.Name + "\r\n"; } } return txt; } I am using the namespaces as follows using xmldanet; using xmldanet.xmlda; I have installed XMLDA.NET client component evaluation. In this there is an in built Test client which successfully reads the values of these data items from the remote OPC server. I also provides the template through which we can build the OPC based applications. In the above code I am trying to read the values of the data items but i am not able to read the values. I have applied the breakpoint. In that I can see that the condition if (iv.ResultID == null) becomes false & also there is null values in the variable rslt. Please tell me where I am doing mistake ? how should I correct my mistake ? can provide me the correct code ?

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  • How to create an Access database by using ADOX and Visual C# .NET

    - by SAMIR BHOGAYTA
    Build an Access Database 1. Open a new Visual C# .NET console application. 2. In Solution Explorer, right-click the References node and select Add Reference. 3. On the COM tab, select Microsoft ADO Ext. 2.7 for DDL and Security, click Select to add it to the Selected Components, and then click OK. 4. Delete all of the code from the code window for Class1.cs. 5. Paste the following code into the code window: using System; using ADOX; private void btnCreate_Click(object sender, EventArgs e) { ADOX.CatalogClass cat = new ADOX.CatalogClass(); cat.Create("Provider=Microsoft.Jet.OLEDB.4.0;" +"Data Source=D:\\NewMDB.mdb;" +"Jet OLEDB:Engine Type=5"); MessageBox.Show("Database Created Successfully"); cat = null; }

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  • Is there a way to display navmesh agent path in Unity?

    - by Antoine Guillien
    I'm currently making a prototype for a game I plan to develop. As far as I did, I managed to set up the navigation mesh and my navmeshagents. I would like to display the path they are following when setDestination() is fired. I did some researches but didn't find anything about it. EDIT 1 : So I instantiate an empty object with a LineRenderer and I have a line bewteen my agent and the destination. Still I've not all the points when the path has to avoid an obstacle. Furthermore, I wonder if the agent.path does reflect the real path that the agent take as I noticed that it actually follow a "smoothier" path. Here is the code so far : GameObject container = new GameObject(); container.transform.parent = agent.gameObject.transform; LineRenderer ligne = container.AddComponent<LineRenderer>(); ligne.SetColors(Color.white,Color.white); ligne.SetWidth(0.1f,0.1f); //Get def material ligne.gameObject.renderer.material.color = Color.white; ligne.gameObject.renderer.material.shader = Shader.Find("Sprites/Default"); ligne.gameObject.AddComponent<LineScript>(); ligne.SetVertexCount(agent.path.corners.Length+1); int i = 0; foreach(Vector3 v in p.corners) { ligne.SetPosition(i,v); //Debug.Log("position agent"+g.transform.position); //Debug.Log("position corner = "+v); i++; } ligne.SetPosition(p.corners.Length,agent.destination); ligne.gameObject.tag = "ligne"; So How can I get the real coordinates my agent is going to walk throught ?

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