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  • Spring scheduled tasks

    - by stackuser
    I'm trying to use spring scheduled tasks for my scheduled jobs, I have one scheduler configured for multiple tasks executors as below <task:scheduled-tasks scheduler="ABCTaskScheduler"> <task:scheduled ref="ABCTaskExecutor" method="execute" cron="some_expression_1" /> <task:scheduled ref="DEFTaskExecutor" method="execute" cron="some_expression_1" /> </task:scheduled-tasks> My question in how can I make the task executor list dynamic, so that I do not have to change my spring config each time I have to add a new task executor.

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  • Check for column name in a SqlDataReader object

    - by Michael Kniskern
    How do I check to see if a column exists in a SqlDataReader object? In my data access layer, I have create a method that builds the same object for multiple stored procedures calls. One of the stored procedures has an additional column that is not used by the other stored procedures. I want to modified the method to accommodate for every scenario. My application is written in C#.

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  • ASP.NET MVC: How can I explain an invalid type violation to an end-user with Html.ValidationSummary?

    - by Terminal Frost
    Serious n00b warning here; please take mercy! So I finished the Nerd Dinner MVC Tutorial and I'm now in the process of converting a VB.NET application to ASP.NET MVC using the Nerd Dinner program as a sort of rough template. I am using the "IsValid / GetRuleViolations()" pattern to identify invalid user input or values that violate business rules. I am using LINQ to SQL and am taking advantage of the "OnValidate()" hook that allows me to run the validation and throw an application exception upon trying to save changes to the database via the CustomerRepository class. Anyway, everything works well, except that by the time the form values reach my validation method invalid types have already been converted to a default or existing value. (I have a "StreetNumber" property that is an integer, though I imagine this would be a problem for DateTime or any other non-strings as well.) Now, I am guessing that the UpdateModel() method throws an exception and then alters the value because the Html.ValidationMessage is displayed next to the StreetNumber field but my validation method never sees the original input. There are two problems with this: While the Html.ValidationMessage does signal that something is wrong, there is no corresponding entry in the Html.ValidationSummary. If I could even get the exception message to show up there indicating an invalid cast or something that would be better than nothing. My validation method which resides in my Customer partial class never sees the original user input so I do not know if the problem is a missing entry or an invalid type. I can't figure out how I can keep my validation logic nice and neat in one place and still get access to the form values. I could of course write some logic in the View that processes the user input, however that seems like the exact opposite of what I should be doing with MVC. Do I need a new validation pattern or is there some way to pass the original form values to my model class for processing? CustomerController Code // POST: /Customers/Edit/[id] [AcceptVerbs(HttpVerbs.Post)] public ActionResult Edit(int id, FormCollection formValues) { Customer customer = customerRepository.GetCustomer(id); try { UpdateModel(customer); customerRepository.Save(); return RedirectToAction("Details", new { id = customer.AccountID }); } catch { foreach (var issue in customer.GetRuleViolations()) ModelState.AddModelError(issue.PropertyName, issue.ErrorMessage); } return View(customer); }

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  • How can the AssemblyName class be used for existing Assembly's?

    - by IbrarMumtaz
    This is another exam related question. I want to know how can I use the AssemblyName class to represent an existing assembly that already exists on disk??? I am talking about from the perspective of using the AppDomain's instance method .Load(), that takes an AssemblyName object as a parameter. I know what MSDN has to say about what the .Load() method was designed for but that aside, I still want to know how to use it !!!

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  • ASP.NET MVC 2.0 Copy ViewModel to Business Objects

    - by azamsharp
    I am using ASP.NET MVC 2.0 and I want to transfer my ViewModel properties to business object. I can do this manually or use AutoMapper or use new method available in ASP.NET MVC 2.0. My question is that does anyone know the name of the new method which allows to copy the properties from one object to another?

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  • Download file using ajax and webservice

    - by megabyte
    Hi All There is this 3rd party webservice. One of the public webmethods available is a GetDocument() method. This method returns a Document object. The Document object has properties for File(byte[]), ContentType(string) ect. My Question : Can I subscribe to this service using javascript(mootools) + ajax + JSON, return the document object, in this case an excel document, and force the file download?

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  • how to set setEnabled: for NSButton in an NSTableView

    - by user460366
    Hi All I have an NSTableView which has three columns. The first one is a checkbox and the third one is a button. The button 'is enabled' state depends on whether or not the checkbox is checked. I am setting the table content in the awakeFromNib method and I am implementing the checkbox state in the - (id)tableView:(NSTableView *)tableView objectValueForTableColumn:(NSTableColumn *)tableColumn row:(int)row method. I need to find a way setEnabled: for the NSButton Thanks

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  • Get query from java.sql.PreparedStatement

    - by llm
    In my code I am using java.sql.PreparedStatement. I then execute the setString() method to populate the wildcards of the prepared statement. Is there a way for me to retrieve (and print out) the final query before the executeQuery() method is called and the query is executed? I Just want this for debugging purposes. Thanks.

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  • How to check whether the tab is active or not in JTabbedPane?

    - by Supereme
    Hi, How to check whether a tab in JTabbedPane instance is active or not, in the class of the tab(nested class) itself and not in the enclosing class? I know that there is a method 'booloean isEnabledAt(int index)'; but this method can only be called in the enclosing class whereas I want to check whether the tab is currently selected or not in the tab class (nested class) itself. Can anybody please suggest me something? Thank you!

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  • Modify values on-the-fly during SqlAdapter.Fill( )

    - by Timothy
    What would the proper way be to modify values on the fly as they are loaded into a DataTable by SqlAdapter.Fill()? I have globalized my application's log messages. An integer indicating the event type and serialized data relevant to the event is stored in the database as show below. When I display the logged events through a DataGridView control to the user, I interpolate the data to a formatting string. event_type event_timestamp event_details ============================================ 3 2010-05-04 20:49:58 jsmith 1 2010-05-04 20:50:42 jsmith ... I am currently iterating through the DataTable's rows to format the messages. public class LogDataTable : DataTable { public LogDataTable() { Locale = CultureInfo.CurrentCulture; Columns.AddRange(new DataColumn[] { new DataColumn("event_type", typeof(Int32)), new DataColumn("event_timestamp", typeof(DateTime)), new DataColumn("event_details", typeof(String))}); } } ... using (SqlDataAdapter adapter = new SqlDataAdapter(...)) { adapter.SelectCommand.Parameters.AddRange(new Object[] { ... }); adapter.Fill(table); } foreach (DataRow row in table.Rows) { switch ((LogEventType)row["event_type"]) { case LogEventType.Create: row["event_details"] = String.Format(Resources.Strings.LogEventCreateMsg, row["event_details"]; break; case LogEventType.Create: row["event_details"] = String.Format(Resources.Strings.LogEventCreateMsg, row["event_details"]; break; ... The end result as displayed would resemble: Type Date and Time Details ==================================================================== [icon] 2010-05-04 20:49:58 Failed login attempt with username jsmith [icon] 2010-05-04 20:50:42 Successful login with username jsmith ... It seems wasteful to iterate the result set twice-- once as the table is filled by the adapter, and again to perform the replacements. I would really like to do the replacement on-the-fly in my LogDataTable class as it is being populated. I have tried overriding an OnRowChanging method in LogDataTable, which throws an InRowChangingEventException. protected override void OnRowChanging(DataRowChangeEventArgs e) { base.OnRowChanging(e); switch ((LogEventType)row["event_type"]) ... I have tried overriding an OnRowChanged method, which throws a StackOverflowException (I assume changing it re-triggers the method ad infinitum?). I have tried overriding an OnTableNewRow method, which does not throw an exception but appears not to be invoked (I assume only when a user adds a row in the view, which I've prevented). I'd greatly appreciate any assistance anyone can give me.

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  • Design pattern for adding / removing elements

    - by de3
    Wikipedia's definition for Iterator pattern design: the Iterator pattern is a design pattern in which iterators are used to access the elements of an aggregate object sequentially without exposing its underlying implementation. Iterator interface in java provides the following methods hasNext() next() remove() Is there a pattern design, or a java interface for inserting / deleting elements, and getting length of the aggregate object, in addition to iterating them? I know remove() is an optional method that can be used once per call to next(), but I am implementing a circular FIFO array and need a method delete() independent of iterator's next().

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  • Unable to download trace file

    - by Firas Assaad
    Whenever I switch to DDMS view and start method profiling, I get the following error message when I stop profiling: Method Profiling Error: Unable to download trace file: Remote object doesn't exist! This only happens with 1.6 and 2.1 AVDs, 2.2 and 2.3 work fine. I've been having this problem ever since the latest update to the Eclipse Android plugin. I'm using Eclipse 3.5.2 on Ubuntu 10.04 with Android Development Toolkit version 8.0.0.v201011171904-77661. Let me know if you need any more information.

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  • Flex: How do you list private attributes of a class?

    - by mensonge
    Hi, I try to serialize objects with their private attributes, in Flex. The introspection API does not seem to allow it: "The describeType() method returns only public members. The method does not return private members of the caller's superclass or any other class where the caller is not an instance." Is there another way for an instance to know the name of its private members?

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  • I can't send gps values via the eclipse emulator control panel

    - by Janusz
    I try to send gps longitude and latitude to the android emulator with eclipse, but the values seem to never be set. Instead the onStatusChanged method of my listener is called. Edit I send those values through the emulator controls in the ddms view in eclipse. If I send data via telnet I get the correct data shown and the onLocationChanged method of my listener is changed.

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  • add a decorate function to a class

    - by wiso
    I have a decorated function (simplified version): class Memoize: def __init__(self, function): self.function = function self.memoized = {} def __call__(self, *args, **kwds): hash = args try: return self.memoized[hash] except KeyError: self.memoized[hash] = self.function(*args) return self.memoized[hash] @Memoize def _DrawPlot(self, options): do something... now I want to add this method to a pre-esisting class. ROOT.TChain.DrawPlot = _DrawPlot when I call this method: chain = TChain() chain.DrawPlot(opts) I got: self.memoized[hash] = self.function(*args) TypeError: _DrawPlot() takes exactly 2 arguments (1 given) why doesn't it propagate self?

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  • Custom SessionListener, name is not bound in this context, javax.naming.NameNotFoundException

    - by mehmet6parmak
    Hi, I am trying to implement HttpSessionListener so that users of this listener can register implementation of ISessionEvent interface to session Events.code is below: public class MySessionListener implements HttpSessionListener{ @Resource ISessionEvent sessionEvent; public ISessionEvent getSessionEvent() { return sessionEvent; } public void setSessionEvent(ISessionEvent sessionEvent) { this.sessionEvent = sessionEvent; } @Override public void sessionCreated(HttpSessionEvent arg0) { sessionEvent.SessionCreated(arg0.getSession()); } @Override public void sessionDestroyed(HttpSessionEvent arg0) { sessionEvent.SessionDestroyed(arg0.getSession()); } } When user implement ISessionEvent and add as a bean, SessionCreated and SessionDestroyed functions of implementation will be called when these events occured. You can ask why dont you just write inside listeners methods, i dont i'm just trying. When i try the code above i got the following error message: javax.naming.NameNotFoundException: Name com.mehmet6parmak.sessionlistener.MySessionListener is not bound in this Context at org.apache.naming.NamingContext.lookup(NamingContext.java:770) at org.apache.naming.NamingContext.lookup(NamingContext.java:153) at org.apache.catalina.util.DefaultAnnotationProcessor.lookupFieldResource(DefaultAnnotationProcessor.java:278) at org.apache.catalina.util.DefaultAnnotationProcessor.processAnnotations(DefaultAnnotationProcessor.java:187) at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4082) at org.apache.catalina.core.StandardContext.start(StandardContext.java:4630) at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1045) at org.apache.catalina.core.StandardHost.start(StandardHost.java:785) at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1045) at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:445) at org.apache.catalina.core.StandardService.start(StandardService.java:519) at org.apache.catalina.core.StandardServer.start(StandardServer.java:710) at org.apache.catalina.startup.Catalina.start(Catalina.java:581) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:289) at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:414) Resource annotation causes the error but i could not resolve it. Thanks All... Interface and Implementation @Resource public interface ISessionEvent { public void SessionCreated(HttpSession session); public void SessionDestroyed(HttpSession session); } @Resource public class SessionEvent implements ISessionEvent { @Override public void SessionDestroyed(HttpSession session) { System.out.println("From Session Event Callback(Destroy):" + session.getId()); } @Override public void SessionCreated(HttpSession session) { System.out.println("From Session Event Callback(Create):" + session.getId()); } } Bean Definition <context:annotation-config/> <context:component-scan base-package="com.mehmet6parmak"> </context:component-scan> <bean id="sessionEvent" autowire="byName" class="com.mehmet6parmak.sessionlistener.SessionEvent"></bean> Solution:Using the method used in link works.

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  • Using XmlDiffPatch when writing to stream

    - by Mark Smith
    I am trying to use xmldiffpatch when comparing two Xmls(one from a stream, the other from a file) and writing the diff patch to a stream. The first method is to write my xml to a memory stream. The second method loads an xml from a file and creates a stream for the patched file to be written into. The third method actually compares the two files and writes the third. The xmldiff.Compare(originalFile, finalFile, dgw); method takes (XmlReader, XmlReader, XmlWriter). I'm always getting that both files are identical, even though they are not, so I know that I am missing something. Any help is appreciated! public MemoryStream FirstXml() { string[] names = { "John", "Mohammed", "Marc", "Tamara", "joy" }; MemoryStream ms = new MemoryStream(); XmlTextWriter xtw= new XmlTextWriter(ms, Encoding.UTF8); xtw.WriteStartDocument(); xtw.WriteStartElement("root"); foreach (string s in names) { xtw.WriteStartElement(s); xtw.WriteEndElement(); } xtw.WriteEndElement(); xtw.WriteEndDocument(); return ms; } public Stream SecondXml() { XmlReader finalFile =XmlReader.Create(@"c:\......\something.xml"); MemoryStream ms = FirstXml(); XmlReader originalFile = XmlReader.Create(ms); MemoryStream ms2 = new MemoryStream(); XmlTextWriter dgw = new XmlTextWriter(ms2, Encoding.UTF8); GenerateDiffGram(originalFile, finalFile, dgw); return ms2; } public void GenerateDiffGram(XmlReader originalFile, XmlReader finalFile, XmlWriter dgw) { XmlDiff xmldiff = new XmlDiff(); bool bIdentical = xmldiff.Compare(originalFile, finalFile, dgw); dgw.Close(); StreamReader sr = new StreamReader(SecondXml()); string xmlOutput = sr.ReadToEnd(); if(xmlOutput.Contains("</xd:xmldiff>")) {Console.WriteLine("Xml files are not identical"); Console.Read();} else {Console.WriteLine("Xml files are identical");Console.Read();} }

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  • Objective-c garbage collection

    - by Chris
    If garbage collection is not required: - (void) awakeFromNib{ //Create the NSStatusBar and set its length statusItem = [[[NSStatusBar systemStatusBar] statusItemWithLength:NSSquareStatusItemLength] retain]; ... Do I have to release that? And if I do, would that be in a finalize method or dealloc method? If garbage collection is required, then is the retain call above ignored automatically?

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  • Activity gets killed while executing the camera intent

    - by BlackRider
    In my app I call the system camera to take a picture, and then handle the result in onActivityResult. You know, the usual. It used to work, but now my calling activity gets killed while I'm taking the picture. Specifically, onDestroy() is called on my activity right after I press the camera shutter. The photo does get taken & saved (I've checked that the file gets written on the SD card). After I accept the photo, instead of returning to the calling activity and invoking onActivityResult, the previous activity in the activity stack gets called. I see no exceptions in the logcat. My custom exception handler doesn't get called. If it matters, my app also includes a service that listens to GPS updates, but I unregister all the receivers in onPause(). Here's the call stack for MyCallingActivity.onDestroy(): Thread [<1> main] (Suspended (breakpoint at line 303 in NewPlaceDetailsActivity)) NewPlaceDetailsActivity.onDestroy() line: 303 ActivityThread.performDestroyActivity(IBinder, boolean, int, boolean) line: 2663 ActivityThread.handleDestroyActivity(IBinder, boolean, int, boolean) line: 2694 ActivityThread.access$2100(ActivityThread, IBinder, boolean, int, boolean) line: 117 BinderProxy(ActivityThread$H).handleMessage(Message) line: 968 ActivityThread$H(Handler).dispatchMessage(Message) line: 99 Looper.loop() line: 130 ActivityThread.main(String[]) line: 3687 Method.invokeNative(Object, Object[], Class, Class[], Class, int, boolean) line: not available [native method] Method.invoke(Object, Object...) line: 507 ZygoteInit$MethodAndArgsCaller.run() line: 842 ZygoteInit.main(String[]) line: 600 NativeStart.main(String[]) line: not available [native method] This is how I start the camera activity, in case you're wondering: protected void startCamera() { createPhotoDirsIfNeeded(); String fileName = "temp.jpg"; ContentValues values = new ContentValues(); values.put(MediaStore.Images.Media.TITLE, fileName); m_capturedImageUri = getContentResolver().insert(MediaStore.Images.Media.EXTERNAL_CONTENT_URI, values); m_photoFileName = APP_PHOTO_PATH + "/" + DateFormat.format(DATE_FORMAT, Calendar.getInstance().getTime()) + ".jpg"; File picFile = new File(m_photoFileName); if(picFile.exists()) { picFile.delete(); } // start the camera activity Intent intent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE); intent.putExtra(MediaStore.EXTRA_OUTPUT, Uri.fromFile(picFile)); startActivityForResult(intent, IntentHelper.REQUEST_TAKE_PHOTO); } How can I find out why does my activity get killed, AND removed from the stack instead of being created again?

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  • Create folder on ftp

    - by Afnan
    I am using method to create folder on ftp i want get exception if folder already exsists how to make it over write the existing folder using System; using System.Net; class Test { static void Main() { WebRequest request = WebRequest.Create("ftp://host.com/directory"); request.Method = WebRequestMethods.Ftp.MakeDirectory; request.Credentials = new NetworkCredential("user", "pass"); using (var resp = (FtpWebResponse) request.GetResponse()) { Console.WriteLine(resp.StatusCode); } } } it is "remote server returned error (550) file not found"

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  • How do you manage the namespaces of your extension methods?

    - by Robert Harvey
    Do you use a global, catchall namespace for all of your extension methods, or do you put the extension methods in the same namespace as the class(es) they extend? Or do you use some other method, like an application or library-specific namespace? EDIT: I ask because I have a need to extend System.Security.Principal.IIdentity, and putting the extension method in the System.Security.Principal namespace seems to make sense, but I've never seen it done this way.

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