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  • zk selecting combobox item programatically

    - by Abdul Khaliq
    I cannot set the value of combobox programatically can some one tell me what missing in the code public class Profile extends Window implements AfterCompose { @Override public void afterCompose() { Session session = Sessions.getCurrent(false); ApplicationContext ctx = WebApplicationContextUtils.getRequiredWebApplicationContext( (ServletContext) getDesktop().getWebApp().getNativeContext()); UsersDao usersDao = (UsersDao) ctx.getBean("daoUsers"); User user = (User) session.getAttribute("user"); user = usersDao.getUser(user.getUsername(),user.getPassword()); Textbox username_t = (Textbox) this.getFellow("username"); Textbox password_t = (Textbox) this.getFellow("password"); Textbox conpassword_t = (Textbox) this.getFellow("con_password"); Textbox firstname_t = (Textbox) this.getFellow("firstName"); Textbox lastname_t = (Textbox) this.getFellow("lastName"); Textbox email_t = (Textbox) this.getFellow("email"); Combobox hintQuestion_t = (Combobox) this.getFellow("hintQuestion"); Textbox hintAnswer_t = (Textbox) this.getFellow("hintAnswer"); Combobox locale_t = (Combobox) this.getFellow("locale"); Combobox authority_t = (Combobox) this.getFellow("authority"); username_t.setText(user.getUsername()); firstname_t.setText(user.getUserDetails().getFirstName()); lastname_t.setText(user.getUserDetails().getLastName()); email_t.setText(user.getUserDetails().getEmail()); Comboitem selectedItem = getSelectedIndexComboboxItem(hintQuestion_t, user.getHintQuestion()); hintQuestion_t.setSelectedItem(selectedItem); hintAnswer_t.setText(user.getHintAnswer()); selectedItem = getSelectedIndexComboboxItem(locale_t, user.getUserDetails().getLocale()); locale_t.setSelectedItem(selectedItem); selectedItem = getSelectedIndexComboboxItem(authority_t, ((Authority)user.getAuthorities().toArray()[0]).getRole()); authority_t.setSelectedItem(selectedItem); } private Comboitem getSelectedIndexComboboxItem(Combobox combobox, String value) { List<Comboitem> items = combobox.getItems(); Comboitem item = items.get(0); for (int i = 0; i < items.size(); i++) { Comboitem comboitem = items.get(i); String label = (String)comboitem.getLabel(); String cval = (String)comboitem.getValue(); if ((label!=null && label.equalsIgnoreCase(value)) || (cval != null && cval.equalsIgnoreCase(value))) { item = comboitem; break; } } return item; } } // zk file <window id="profile" use="com.jf.web.zk.ui.Profile"> <tabbox id="tabbox" width="40%" > <tabs> <tab label="Account Information"/> <tab label="Personal Information"/> <tab label="Contact Details"/> </tabs> <tabpanels> <tabpanel> <grid> <rows> <row> <label value="${i18nUtils.message('user.username')}"/> <hbox> <textbox id="username" />*,a-zA-Z,0-9 </hbox> </row> <row> <label value="${i18nUtils.message('user.password')}"/> <hbox> <textbox id="password" type="password"/>* </hbox> </row> <row> <label value="${i18nUtils.message('registration.user.password.confirm')}"/> <hbox> <textbox id="con_password" type="password"/>* </hbox> </row> <row> <label value="${i18nUtils.message('user.details.first.name')}"/> <hbox> <textbox id="firstName" type="text"/>* </hbox> </row> <row> <label value="${i18nUtils.message('user.details.last.name')}"/> <hbox> <textbox id="lastName" type="text"/>* </hbox> </row> <row> <label value="${i18nUtils.message('user.details.email')}"/> <hbox> <textbox id="email" type="text"/>* </hbox> </row> <row> <label value="${i18nUtils.message('user.hint.question')}"/> <hbox> <combobox id="hintQuestion" onCreate='self.setSelectedIndex(1);'> <comboitem label="${i18nUtils.message('user.hint.question.possible.value1')}" /> <comboitem label="${i18nUtils.message('user.hint.question.possible.value2')}" /> <comboitem label="${i18nUtils.message('user.hint.question.possible.value3')}" /> <comboitem label="${i18nUtils.message('user.hint.question.possible.value4')}" /> <comboitem label="${i18nUtils.message('user.hint.question.possible.value5')}" /> </combobox>* </hbox> </row> <row> <label value="${i18nUtils.message('user.hint.answer')}"/> <hbox> <textbox id="hintAnswer" type="text"/>* </hbox> </row> <row> <label value="${i18nUtils.message('user.details.locale')}"/> <hbox> <combobox id="locale" onCreate='self.setSelectedIndex(1);self.setReadonly(true);'> <comboitem label="${i18nUtils.message('user.details.locale.en')}" value="en_US"/> <comboitem label="${i18nUtils.message('user.details.locale.bg')}" value="bg_BG"/> </combobox>* </hbox> </row> <row> <label value="${i18nUtils.message('authority.account.type')}"/> <hbox> <combobox id="authority" onCreate='self.setSelectedIndex(0);self.setReadonly(true);'> <comboitem label="${i18nUtils.message('authority.job.seeker')}" value="Job Seeker"/> <comboitem label="${i18nUtils.message('authority.employer')}" value="Employer"/> <comboitem label="${i18nUtils.message('authority.hra')}" value="Human Resource Agency"/> <comboitem label="${i18nUtils.message('authority.advertiser')}" value="Advertiser"/> </combobox>* </hbox> </row> </rows> </grid> </tabpanel> </tabpanels> </tabbox> <grid width="40%"> <rows> <row> <button label="${i18nUtils.message('bttn.save')}" onClick="save()"/> <button label="${i18nUtils.message('bttn.cancel')}" onClick="cancel()"/> </row> </rows> </grid> </window> </zk> The "getSelectedIndexComboboxItem()" does return the correct selected item but there seems no effect on the UI. Like for example the locale is set to default Bulgarian language and I need to set it to English. Abdul Khaliq

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  • How do I make a specific word (variable) in a message box bold in Java?

    - by typoknig
    Hi all, I'm trying to make one word (variable) of a message box bold in my Java program. Here is my code: int n = messageBox.showConfirmDialog(frame, "The File "+ file +" already exists." + "\n" + "Do you want to replace it?", "File Already Exists!", messageBox.YES_NO_OPTION); I want to make the variable "file" appear in bold text in my message box. So far I have only been able to get the entire message box to appear in bold, or none of it at all. How do I do this?

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  • Why my custom CStatic derived control does not receive WM_SIZE message?

    - by Michael P
    Hello everyone! I'm currently developing a custom control that derives from CStatic MFC class (Smart Device C++ project). I have created the control class using VC++ MFC class wizard, selecting CStatic class as its base class. I have used Class View to add OnSize event handler for my control class (I have selected WM_SIZE message from messages list), and new OnSize method has been created by Visual Studio along with ON_WM_SIZE() statement between BEGIN_MESSAGE_MAP(...) and END_MESSAGE_MAP(). The problem is that my control does not receive WM_SIZE thus OnSize method is never called - I used MoveWindow to change size of my control - its size changes as I have seen on dialog window but WM_SIZE message is never being sent. When I send WM_SIZE through SendMessage or PostMessage function - the control OnSize method is called normally. What do I wrong? I've read MSDN docs about CStatic control and there is no information that WM_SIZE message is never sent to a static control window. Sorry for my bad English.

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  • http_post() variables to php script from SMS message but only append data to text file if certain variable (telephone number) equals a known

    - by user1592162
    All, I have an SMS gateway application running on my server that passes incoming SMS messages to a php script. That script writes the data to a text file. Certain aspects of the message can be extracted as variables - for example: Message content: $msgdata Sender: $originator Time: $receivedtime etc... Using the script below I can easily write the message to a text file but it will write the data of every SMS that comes in. I only want to write to a text file if the $originator variable is a certain telephone number (e.g 07123456321) $date = date("d.m.Y H:i:s"); $msgdata = $_REQUEST["msgdata"]; $myFile3 = "test.txt"; $fh = fopen($myFile3, 'a') or die("can't open file"); $stringData3 = "$date - $msgdata\n"; fwrite($fh, $stringData3); fclose($fh); Your assistance is bery much appreciated. Many thanks in advance.

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  • How can I create a simple message box in Python?

    - by Carson Myers
    I'm looking for the same effect as alert() in JavaScript. I wrote a simple web-based interpreter this afternoon using Twisted.web. You basically submit a block of Python code through a form, and the client comes and grabs it and executes it. I want to be able to make a simple popup message, without having to re-write a whole bunch of boilerplate wxPython or TkInter code every time (since the code gets submitted through a form and then disappears). I've tried tkMessageBox: import tkMessageBox tkMessageBox.showinfo(title="Greetings", message="Hello World!") but this opens another window in the background with a tk icon. I don't want this. I was looking for some simple wxPython code but it always required setting up a class and entering an app loop etc. Is there no simple, catch-free way of making a message box in Python?

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  • How do I test expectedExceptionsMessageRegExp (exception message) using TestNG?

    - by Thomman
    I'm using expectedExceptionsMessageRegExp annotation to test exception message, but the this is not executing correctly.please see the below code. Unit Test code: @Test (dependsOnMethods = "test1", expectedExceptions = IllegalArgumentException.class , expectedExceptionsMessageRegExp = "incorrect argument") public void testConverter() { try { currencyConverter = Converter.convert(val1,val2) } catch (MYException e) { e.printStackTrace(); } } Application code: if (val1 == null || val1.length() == 0) { throw new IllegalArgumentException("Val1 is incorrect"); } The unit test code should check the exception message , if both message are not matching , it should throw fail (unit test failed) . At present this is not happening , Am i doing something wrong?

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  • Which JMS broker implementations allowing resending messages saved in dead message queue?

    - by marabol
    I wonder, if there JMS broker, that allows administrators to resend (via GUI or any tool) messages, saved in a ded message queue or dead letter queue, after solving the causing problem (e.g. database is down, not enough space...). WebSphere provide a feature to resend messages saved in dead letter queue: 1 Glassfish 2.1.1 using Sun Java System Message Queue 4.4 has no feature to do this, I think so. What are the options on other JMS brokers? Or is the best way, not to use the DMQ/DLQ feature, if you are depend on a message? Thanks a lot

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  • how to stop this message on pressing CTRL + ALT + DEL?

    - by moon
    i have the following code to disable task manager of windows xp but it still displays a message the "task manager is disabled" and we have to press ok how can i disable even this message ; i want that when any one presses ALT+CLRT+ DEL nothing happens even no message dialog. HKEY hMykey; DWORD pDWDisp; unsigned char cData[1]; cData[0]='1'; LONG lRes = RegCreateKeyEx(HKEY_CURRENT_USER, "Software\\Microsoft\\Windows\\CurrentVersion\\Policies\\system", 0,"DisableTaskMgr",REG_OPTION_NON_VOLATILE,KEY_ALL_ACCESS, NULL,&hMykey,&pDWDisp); // Open a key for edit if(lRes != ERROR_SUCCESS) { MessageBox(0,"Error opening key","",MB_OK); exit(0);// Shutdown on fail }//End if lRes = RegSetValueEx(hMykey,"DisableTaskMgr",0,REG_DWORD, (LPBYTE)cData,sizeof(cData));// Add your key value if(lRes != ERROR_SUCCESS) { MessageBox(0,"Error saving record","",MB_OK); RegCloseKey(hMykey); exit(0);// Shutdown on fail }//End if

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  • noob: how to show login error message on the same page after php server processes request.

    - by funbar
    Hi, I have a login page. User first enters information and submits the form. And I have a php script that will see if the user exists. If( authenticated == true) { // I do a redirect } else { // I want to popup an error message on the same page. } 1) I'm not sure how to show the popup message, I would like to make my div element visible with an error message returned from the server, I would have to use Ajax, right? But how? Or are there alternatives which are just as good.

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  • How to set an error message from EditorPart when ApplyChanges returns false?

    - by jmservera
    I'm developing a custom ASP.Net WebPart using the WebPartManager and I'm creating a custom EditorPart too. For its EditorPart.ApplyChanges method I set the return value to false whenever there is an error. In the EditorZone I get a standard error message indicating that some error happened to the editor, but I want to change that message. Is that possible? Something like... public override bool ApplyChanges() { try { // save properties return true; } catch(Exception ex) { ErrorMessage = ex.Message; // is there any similar property I can fill? return false; } }

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  • How to deal with delegate method calling back the object who send the message ?

    - by olipion
    I have two object: @protocol ObjectADelegate - (void)objectAfirst:(ObjectA *)obj; - (void)objectAsecond:(ObjectA *)obj; @end @interface ObjectA : NSObject { id<ObjectADelegate> delegate; - (void)callSecond { [self.delegate objectAsecond:self]; } @end @interface ObjectB : NSObject <ObjectADelegate>{ ObjectA *myObjectA; } @implementation ObjectB - (void)objectAfirst:(ObjectA *)obj { // First is finished, do second [obj callSecond]; } - (void)objectASecond:(ObjectA *)obj { // Do my stuff } @end As you can see in the code, when ObjectA send the message objectAfirst to its delegate, objectb use again objectA methods that result in objecta calling back objectb. It means that what first fire objectAfirst is not finished but objectA send the objectAsecond message. Could it be a problem ? Any way to let delay message handling in objectB ? for example, something like using [obj performSelector:@selector(callSecond) afterDelay:0.01]; instead of [obj callSecond]; ?

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  • Service Broker, not ETL

    - by jamiet
    I have been very quiet on this blog of late and one reason for that is I have been very busy on a client project that I would like to talk about a little here. The client that I have been working for has a website that runs on a distributed architecture utilising a messaging infrastructure for communication between different endpoints. My brief was to build a system that could consume these messages and produce analytical information in near-real-time. More specifically I basically had to deliver a data warehouse however it was the real-time aspect of the project that really intrigued me. This real-time requirement meant that using an Extract transformation, Load (ETL) tool was out of the question and so I had no choice but to write T-SQL code (i.e. stored-procedures) to process the incoming messages and load the data into the data warehouse. This concerned me though – I had no way to control the rate at which data would arrive into the system yet we were going to have end-users querying the system at the same time that those messages were arriving; the potential for contention in such a scenario was pretty high and and was something I wanted to minimise as much as possible. Moreover I did not want the processing of data inside the data warehouse to have any impact on the customer-facing website. As you have probably guessed from the title of this blog post this is where Service Broker stepped in! For those that have not heard of it Service Broker is a queuing technology that has been built into SQL Server since SQL Server 2005. It provides a number of features however the one that was of interest to me was the fact that it facilitates asynchronous data processing which, in layman’s terms, means the ability to process some data without requiring the system that supplied the data having to wait for the response. That was a crucial feature because on this project the customer-facing website (in effect an OLTP system) would be calling one of our stored procedures with each message – we did not want to cause the OLTP system to wait on us every time we processed one of those messages. This asynchronous nature also helps to alleviate the contention problem because the asynchronous processing activity is handled just like any other task in the database engine and hence can wait on another task (such as an end-user query). Service Broker it was then! The stored procedure called by the OLTP system would simply put the message onto a queue and we would use a feature called activation to pick each message off the queue in turn and process it into the warehouse. At the time of writing the system is not yet up to full capacity but so far everything seems to be working OK (touch wood) and crucially our users are seeing data in near-real-time. By near-real-time I am talking about latencies of a few minutes at most and to someone like me who is used to building systems that have overnight latencies that is a huge step forward! So then, am I advocating that you all go out and dump your ETL tools? Of course not, no! What this project has taught me though is that in certain scenarios there may be better ways to implement a data warehouse system then the traditional “load data in overnight” approach that we are all used to. Moreover I have really enjoyed getting to grips with a new technology and even if you don’t want to use Service Broker you might want to consider asynchronous messaging architectures for your BI/data warehousing solutions in the future. This has been a very high level overview of my use of Service Broker and I have deliberately left out much of the minutiae of what has been a very challenging implementation. Nonetheless I hope I have caused you to reflect upon your own approaches to BI and question whether other approaches may be more tenable. All comments and questions gratefully received! Lastly, if you have never used Service Broker before and want to kick the tyres I have provided below a very simple “Service Broker Hello World” script that will create all of the objects required to facilitate Service Broker communications and then send the message “Hello World” from one place to anther! This doesn’t represent a “proper” implementation per se because it doesn’t close down down conversation objects (which you should always do in a real-world scenario) but its enough to demonstrate the capabilities! @Jamiet ----------------------------------------------------------------------------------------------- /*This is a basic Service Broker Hello World app. Have fun! -Jamie */ USE MASTER GO CREATE DATABASE SBTest GO --Turn Service Broker on! ALTER DATABASE SBTest SET ENABLE_BROKER GO USE SBTest GO -- 1) we need to create a message type. Note that our message type is -- very simple and allowed any type of content CREATE MESSAGE TYPE HelloMessage VALIDATION = NONE GO -- 2) Once the message type has been created, we need to create a contract -- that specifies who can send what types of messages CREATE CONTRACT HelloContract (HelloMessage SENT BY INITIATOR) GO --We can query the metadata of the objects we just created SELECT * FROM   sys.service_message_types WHERE name = 'HelloMessage'; SELECT * FROM   sys.service_contracts WHERE name = 'HelloContract'; SELECT * FROM   sys.service_contract_message_usages WHERE  service_contract_id IN (SELECT service_contract_id FROM sys.service_contracts WHERE name = 'HelloContract') AND        message_type_id IN (SELECT message_type_id FROM sys.service_message_types WHERE name = 'HelloMessage'); -- 3) The communication is between two endpoints. Thus, we need two queues to -- hold messages CREATE QUEUE SenderQueue CREATE QUEUE ReceiverQueue GO --more querying metatda SELECT * FROM sys.service_queues WHERE name IN ('SenderQueue','ReceiverQueue'); --we can also select from the queues as if they were tables SELECT * FROM SenderQueue   SELECT * FROM ReceiverQueue   -- 4) Create the required services and bind them to be above created queues CREATE SERVICE Sender   ON QUEUE SenderQueue CREATE SERVICE Receiver   ON QUEUE ReceiverQueue (HelloContract) GO --more querying metadata SELECT * FROM sys.services WHERE name IN ('Receiver','Sender'); -- 5) At this point, we can begin the conversation between the two services by -- sending messages DECLARE @conversationHandle UNIQUEIDENTIFIER DECLARE @message NVARCHAR(100) BEGIN   BEGIN TRANSACTION;   BEGIN DIALOG @conversationHandle         FROM SERVICE Sender         TO SERVICE 'Receiver'         ON CONTRACT HelloContract WITH ENCRYPTION=OFF   -- Send a message on the conversation   SET @message = N'Hello, World';   SEND  ON CONVERSATION @conversationHandle         MESSAGE TYPE HelloMessage (@message)   COMMIT TRANSACTION END GO --check contents of queues SELECT * FROM SenderQueue   SELECT * FROM ReceiverQueue   GO -- Receive a message from the queue RECEIVE CONVERT(NVARCHAR(MAX), message_body) AS MESSAGE FROM ReceiverQueue GO --If no messages were received and/or you can't see anything on the queues you may wish to check the following for clues: SELECT * FROM sys.transmission_queue -- Cleanup DROP SERVICE Sender DROP SERVICE Receiver DROP QUEUE SenderQueue DROP QUEUE ReceiverQueue DROP CONTRACT HelloContract DROP MESSAGE TYPE HelloMessage GO USE MASTER GO DROP DATABASE SBTest GO

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  • Ubuntu boot hangs after message "Running /scripts/init-bottom ... done"

    - by Douglas B. Staple
    I've been trying to copy a Proxmox container based on the Ubuntu Precise Standard template to a VirtualBox VM. I am now stuck at a point where my new Ubuntu/VirtualBox VM hangs after the message "Running /scripts/init-bottom ... done" during boot. I started by installing Ubuntu Server 12.04.4 LTS on a VirtualBox VM. Ubuntu Server 12.04.4 LTS was the closest "official" Ubuntu ISO to the Proxmox container OS I could find. I installed all updates on both the Proxmox container and on the VirtualBox VM. The idea was to get same version kernal running on the ProxMox container and VirtualBox VM. sudo apt-get update ; sudo apt-get upgrade ; sudo apt-get dist-upgrade sudo reboot rsync the entire proxmox container to a temporary directory in the VirtualBox VM: cd / mkdir /tmp/backup rsync -e ssh -av --exclude={/dev,/proc,/sys,/tmp,/run,/mnt,/media,/lost+found,/boot,/selinux} root@my_proxmox_container_hostname:/ /tmp/backup Shut down the virtual machine, and boot the VM with a bootable linux image. I used the Desktop image of Ubuntu 12.04 LTS, ubuntu-12.04.4-desktop-i386.iso Drop to a root prompt. Mount the VM root filesystem: sudo mount /dev/sda1 /mnt Remove files from most of /mnt cd /mnt sudo rm -rf bin etc home lib opt sbin root usr var Move all of the files from /mnt/backup into /mnt sudo mv /mnt/tmp/backup/* /mnt Rebooted system. For me, at this point the system freezes after starting, after the message: Running /scripts/init-bottom ... done I've tried reinstalling GRUB and all manner of other thing. I am almost ready to give up.

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  • Simple Remote Shared Object with Red5 Flash Server

    - by John Russell
    Hello, I am trying to create a simple chat client using the red5 media server, but I seem to be having a slight hiccup. I am creating a shared object on the server side, and it seems to be creating it successfully. However, when I make changes to the object via the client (type a message), the SYNC event fires, but the content within the shared object remains empty. I suspect I am doing something wrong on the java end, any advice? Console Results: Success! Server Message: clear Server Message: [object Object] Local message: asdf Server Message: change Server Message: [object Object] Local message: fdsa Server Message: change Server Message: [object Object] Local message: fewa Server Message: change Server Message: [object Object] Server Side: package org.red5.core; import java.util.List; import org.red5.server.adapter.ApplicationAdapter; import org.red5.server.api.IConnection; import org.red5.server.api.IScope; import org.red5.server.api.service.ServiceUtils; import org.red5.server.api.so.ISharedObject; // import org.apache.commons.logging.Log; // import org.apache.commons.logging.LogFactory; public class Application extends ApplicationAdapter { private IScope appScope; // private static final Log log = LogFactory.getLog( Application.class ); /** {@inheritDoc} */ @Override public boolean connect(IConnection conn, IScope scope, Object[] params) { appScope = scope; createSharedObject(appScope, "generalChat", false); // Creates general chat shared object return true; } /** {@inheritDoc} */ @Override public void disconnect(IConnection conn, IScope scope) { super.disconnect(conn, scope); } public void updateChat(Object[] params) { ISharedObject so = getSharedObject(appScope, "generalChat"); // Declares and stores general chat data in general chat shared object so.setAttribute("point", params[0].toString()); } } Client Side: package { import flash.display.MovieClip; import flash.events.*; import flash.net.*; // This class is going to handle all data to and from from media server public class SOConnect extends MovieClip { // Variables var nc:NetConnection = null; var so:SharedObject; public function SOConnect():void { } public function connect():void { // Create a NetConnection and connect to red5 nc = new NetConnection(); nc.addEventListener(NetStatusEvent.NET_STATUS, netStatusHandler); nc.connect("rtmp://localhost/testChat"); // Create a StoredObject for general chat so = SharedObject.getRemote("generalChat", nc.uri, false); so.connect(nc); so.addEventListener(SyncEvent.SYNC, receiveChat) } public function sendChat(msg:String) { trace ("Local message: " + msg); nc.call("updateChat", null, msg) } public function receiveChat(e:SyncEvent):void { for (var i in e.changeList) { trace ("Server Message: " + e.changeList[i].code) trace ("Server Message: " + e.changeList[i]) } } // Given result, determine successful connection private function netStatusHandler(e:NetStatusEvent):void { if (e.info.code == "NetConnection.Connect.Success") { trace("Success!"); } else { trace("Failure!\n"); trace(e.info.code); } } } }

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  • QueryInterface fails at casting inside COM-interface implementation

    - by brecht
    I am creating a tool in c# to retrieve messages of a CAN-network (network in a car) using an Dll written in C/C++. This dll is usable as a COM-interface. My c#-formclass implements one of these COM-interfaces. And other variables are instantiated using these COM-interfaces (everything works perfect). The problem: The interface my C#-form implements has 3 abstract functions. One of these functions is called -by the dll- and i need to implement it myself. In this function i wish to retrieve a property of a form-wide variable that is of a COM-type. The COM library is CANSUPPORTLib The form-wide variable: private CANSUPPORTLib.ICanIOEx devices = new CANSUPPORTLib.CanIO(); This variable is also form-wide and is retrieved via the devices-variable: canreceiver = (CANSUPPORTLib.IDirectCAN2)devices.get_DirectDispatch(receiverLogicalChannel); The function that is called by the dll and implemented in c# public void Message(double dTimeStamp) { Console.WriteLine("!!! message ontvangen !!!" + Environment.NewLine); try { CANSUPPORTLib.can_msg_tag message = new CANSUPPORTLib.can_msg_tag(); message = (CANSUPPORTLib.can_msg_tag) System.Runtime.InteropServices.Marshal.PtrToStructure(canreceiver.RawMessage, message.GetType()); for (int i = 0; i < message.data.Length; i++) { Console.WriteLine("byte " + i + ": " + message.data[i]); } } catch (Exception e) { Console.WriteLine(e.Message); } } The error rises at this line: message = (CANSUPPORTLib.can_msg_tag)System.Runtime.InteropServices.Marshal.PtrToStructure(canreceiver.RawMessage, message.GetType()); Error: Unable to cast COM object of type 'System.__ComObject' to interface type 'CANSUPPORTLib.IDirectCAN2'. This operation failed because the QueryInterface call on the COM component for the interface with IID '{33373EFC-DB42-48C4-A719-3730B7F228B5}' failed due to the following error: No such interface supported (Exception from HRESULT: 0x80004002 (E_NOINTERFACE)). Notes: It is possible to have a timer-clock that checks every 100ms for the message i need. The message is then retrieved in the exact same way as i do now. This timer is started when the form starts. The checking is only done when Message(double) has put a variable to true (a message arrived). When the timer-clock is started in the Message function, i have the same error as above Starting another thread when the form starts, is also not possible. Is there someone with experience with COM-interop ? When this timer

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  • Booking form works but does not give feedback

    - by Naim
    I have a form where people can book seats for a given event. It's actually a WordPress plugin. When someone sends his booking, email notifications are sent properly and the event booking status is updated accordingly. The issue is that the booking form does not give any feedback whatsoever. Once you hit "book now", the graphic keeps loading and no feedback is ever displayed like for instance "booking sent successfully" or "there are errors in your form", even though the booking is saved correctly with both sides notified by email. I guess it's a JavaScript issue,Firebug console is not showing any error... So here is the code source of the booking form : Also please experience the issue live Here username: tester password: testsa Thanks! $('#em-booking-form').submit( function(e){ e.preventDefault(); var em_booking_doing_ajax = false; $.ajax({ url: EM.bookingajaxurl, data:$('#em-booking-form').serializeArray(), dataType: 'jsonp', type:'post', beforeSend: function(formData, jqForm, options) { if(em_booking_doing_ajax){ alert(EM.bookingInProgress); return false; } em_booking_doing_ajax = true; $('.em-booking-message').remove(); $('#em-booking').append('<div id="em-loading"></div>'); }, success : function(response, statusText, xhr, $form) { $('#em-loading').remove(); $('.em-booking-message').remove(); $('.em-booking-message').remove(); //show error or success message if(response.result){ $('<div class="em-booking-message-success em-booking-message">'+response.message+'</div>').insertBefore('#em-booking-form'); $('#em-booking-form').hide(); $('.em-booking-login').hide(); $(document).trigger('em_booking_success', [response]); }else{ if( response.errors != null ){ if( $.isArray(response.errors) && response.errors.length > 0 ){ var error_msg; response.errors.each(function(i, el){ error_msg = error_msg + el; }); $('<div class="em-booking-message-error em-booking-message">'+error_msg.errors+'</div>').insertBefore('#em-booking-form'); }else{ $('<div class="em-booking-message-error em-booking-message">'+response.errors+'</div>').insertBefore('#em-booking-form'); } }else{ $('<div class="em-booking-message-error em-booking-message">'+response.message+'</div>').insertBefore('#em-booking-form'); } } $('html, body').animate({ scrollTop: $("#em-booking").first().offset().top - 50 }); //sends user back to top of form //run extra actions after showing the message here if( response.gateway != null ){ $(document).trigger('em_booking_gateway_add_'+response.gateway, [response]); } if( !response.result && typeof Recaptcha != 'undefined'){ Recaptcha.reload(); } }, complete : function(){ em_booking_doing_ajax = false; $('#em-loading').remove(); } }); return false; });

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  • async_write/async_read problems while trying to implement question-answer logic

    - by Max
    Good day. I'm trying to implement a question - answer logic using boost::asio. On the Client I have: void Send_Message() { .... boost::asio::async_write(server_socket, boost::asio::buffer(&Message, sizeof(Message)), boost::bind(&Client::Handle_Write_Message, this, boost::asio::placeholders::error)); .... } void Handle_Write_Message(const boost::system::error_code& error) { .... std::cout << "Message was sent.\n"; .... boost::asio::async_read(server_socket_,boost::asio::buffer(&Message, sizeof(Message)), boost::bind(&Client::Handle_Read_Message, this, boost::asio::placeholders::error)); .... } void Handle_Read_Message(const boost::system::error_code& error) { .... std::cout << "I have a new message.\n"; .... } And on the Server i have the "same - logic" code: void Read_Message() { .... boost::asio::async_read(client_socket, boost::asio::buffer(&Message, sizeof(Message)), boost::bind(&Server::Handle_Read_Message, this, boost::asio::placeholders::error)); .... } void Handle_Read_Message(const boost::system::error_code& error) { .... std::cout << "I have a new message.\n"; .... boost::asio::async_write(client_socket_,boost::asio::buffer(&Message, sizeof(Message)), boost::bind(&Server::Handle_Write_Message, this, boost::asio::placeholders::error)); .... } void Handle_Write_Message(const boost::system::error_code& error) { .... std::cout << "Message was sent back.\n"; .... } Message it's just a structure. And the output on the Client is: Message was sent. Output on the Server is: I have a new message. And that's all. After this both programs are still working but nothing happens. I tried to implement code like: if (!error) { .... } else { // close sockets and etc. } But there are no errors in reading or writing. Both programs are just running normally, but doesn't interact with each other. This code is quite obvious but i can't understand why it's not working. Thanks in advance for any advice.

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  • Use format strings that contain %1, %2 etc. instead of %d, %s etc. - Linux, C++

    - by rursw1
    Hello, As a follow-up of this question (Message compiler replacement in Linux gcc), I have the following problem: When using MC.exe on Windows for compiling and generating messages, within the C++ code I call FormatMessage, which retrieves the message and uses the va_list *Arguments parameter to send the varied message arguments. For example: messages.mc file: MessageId=1 Severity=Error SymbolicName=MULTIPLE_MESSAGE_OCCURED Language=English message %1 occured %2 times. . C++ code: void GetMsg(unsigned int errCode, wstring& message,unsigned int paramNumber, ...) { HLOCAL msg; DWORD ret; LANGID lang = GetUserDefaultLangID(); try { va_list argList; va_start( argList, paramNumber ); const TCHAR* dll = L"MyDll.dll"; _hModule = GetModuleHandle(dll); ret =::FormatMessage( FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_HMODULE|FORMAT_MESSAGE_IGNORE_INSERTS, _hModule, errCode, lang, (LPTSTR) &msg, 0, &argList ); if ( 0 != ret ) { unsigned int count = 0 ; message = msg; if (paramNumber>0) { wstring::const_iterator iter; for (iter = message.begin();iter!=message.end();iter++) { wchar_t xx = *iter; if (xx ==L'%') count++; } } if ((count == paramNumber) && (count >0)) { ::LocalFree( msg ); ret =::FormatMessage( FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_HMODULE, _hModule, errCode, GetUserDefaultLangID(), (LPTSTR) &msg, 0, &argList ); } else if (count != paramNumber) { wstringstream tmp; wstring messNumber; tmp << (errCode & 0xFFFF); tmp >> messNumber; message = message +L"("+ messNumber + L"). Bad Format String. "; } } ::LocalFree( msg ); } catch (...) { message << L"last error: " << GetLastError(); } va_end( argList ); } Caller code: wstring message; GetMsg(MULTIPLE_MESSAGE_OCCURED, message,2, "Error message", 5); Now, I wrote a simple script to generate a .msg file from the .mc file, and then I use gencat to generate a catalog from it. But is there a way to use the formatted strings as they contain %1, %2, etc. and NOT the general (%d, %s...) format? Please note, that the solution has to be generic enough for each possible message with each posible types\ arguments order... Is it possible at all? Thank you.

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  • Rails 3 ActiveModel Nested Class I18n

    - by Dave
    Given the following class definition in ruby: class Conversation class Message include ActiveModel::Validations attr_accessor :quantity validates :quantity, :presence => true end end How can you use i18n to customize to error message. For example the correct lookup for the class Conversation would be activemodel: errors: models: conversation: attributes: quantity: blank: "Some custom message" But what is it for the Message class? I tried: activemodel: errors: models: conversation: message: attributes: quantity: blank: "Some custom message" activemodel: errors: models: message: attributes: quantity: blank: "Some custom message" activemodel: errors: models: conversation::message: attributes: quantity: blank: "Some custom message" None of them work Any ideas or is this a bug with ActiveModel or I18n?

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  • What happens when I subscribe to a message using NServiceBus?

    - by Ben Aston
    When I subscribe as the recipient of a certain type of message using NServiceBus Bus.Subscribe<MyMessage>() What am I actually doing? Am I specifying that a particular method on the recipient type will be invoked upon message receipt? If so, within what context does the method run - in a static context, or within the context of a new'd-up parent class instance (and if so, how does NServiceBus know what constructor to use)?

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  • How to get HTTP status message in (py)curl?

    - by mykhal
    spending some time studying pycurl and libcurl documentation, i still can't find a (simple) way, how to get HTTP status message (reason-phrase) in pycurl. status code is easy: import pycurl import cStringIO curl = pycurl.Curl() buff = cStringIO.StringIO() curl.setopt(pycurl.URL, 'http://example.org') curl.setopt(pycurl.WRITEFUNCTION, buff.write) curl.perform() print "status code: %s" % curl.getinfo(pycurl.HTTP_CODE) # -> 200 # print "status message: %s" % ??? # -> "OK"

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  • How to pre-populate the Facebook status message through an URL similar to pre-populating a tweet?

    - by Crashalot
    This question has been asked before on SO, but most of those questions were asked a long time ago. Essentially, we want a simple way to pre-populate the Facebook status message through the URL much like you can with Twitter. We're aware of the Facebook APIs, but are wondering if there is a more lightweight approach. We don't need programmatically to post a message, but just provide some default text that the user can edit before sharing.

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