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  • Custom Class to store the properties and passing the class object across the pages - ASP.NEt

    - by NLV
    Hello I've a requirement where i need to pass some objects across the pages. So i created a custom class with all the properties required and created a instance of it and assigned all the properties appropriately. I then put that object in the session and took it the other page. The problem is that even when i set the properties values to the class it is coming as null. I set a breakpoint in the getter-setter and saw that the value itself is coming as null. Code - public class GetDataSetForReports { private Table m_aspTable; private int m_reportID; private string m_accountKey; private string m_siteKey; private string m_imUserName; /// <summary> /// Asp Table containing the filters /// </summary> public Table aspTable { get { return m_aspTable; } set { m_aspTable = aspTable; } } /// <summary> /// Report ID /// </summary> public int reportID { get { return m_reportID; } set { m_reportID = reportID; } } /// <summary> /// All the accounts selected /// </summary> public string accountKey { get { return m_accountKey; } set { m_accountKey = accountKey; } } /// <summary> /// All the sites selected /// </summary> public string siteKey { get { return m_siteKey; } set { m_siteKey = siteKey; } } /// <summary> /// Current User Name /// </summary> public string imUserName { get { return m_imUserName; } set { m_imUserName = imUserName; } } } This is how i'm creating an instance in the page1 and trying to get it in the page2. Page1 Code //Add the objects to the GetDataSetForReports Class GetDataSetForReports oGetDSForReports = new GetDataSetForReports(); oGetDSForReports.aspTable = aspTable; oGetDSForReports.reportID = iReportID; oGetDSForReports.accountKey = AccountKey; oGetDSForReports.siteKey = Sitekey; oGetDSForReports.imUserName = this.imUserName.ToString(); But the values are not getting set at all. The values are not passing to the class (to the setter) at all. Am i making any OOPS blunder? Any ideas? NLV

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  • Jquery Ajax json Serializable

    - by willsonchan
    I am learing using jquery ajax to hander the JSON..i writre a demo code. HTMLCODE $(function () { $("#add").click(function () { var json = '{ "str":[{"Role_ID":"2","Customer_ID":"155","Brands":"Chloe;","Country_ID":"96;"}]}'; $.ajax({ url: "func.aspx/GetJson", type: "POST", contentType: "application/json", dataType: 'json', data: json, success: function (result) { alert(result); }, error: function () { alert("error"); } }); }); }); <div> <input type="button" value="add" id="add" /> </div> i got a input and bind a script function to it, now the proble is comeing.. my C# functiong like that. [WebMethod] public static string GetJson(object str) { return str.ToString();//good for work } [Serializable] public class TestClass { public TestClass() { } public TestClass(string role_id, string customer_id, string brands, string countryid) { this.Role_ID = role_id; this.Customer_ID = customer_id; this.Brands = brands; this.Country_ID = countryid; } public string Role_ID { get; set; } public string Customer_ID { get; set; } public string Brands { get; set; } public string Country_ID { get; set; } } when i user public static string GetJson(object str) everything is so good.~~ no error at all but . when i try to use my own class TestClass. firebug tell me that "Type 'TestClass' is not supported for deserialization of an array." .any body can give me help:XD

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  • Repeating procedure for every item in class

    - by Hendriksen123
    Data.XX.NewValue := Data.XX.SavedValue; Data.XX.OldValue := Data.XX.SavedValue; I need to do the above a large number of times, where XX represents the value in the class. Pretending there were 3 items in the list: Tim, Bob, Steve. Is there any way to do the above for all three people without typing out the above code three times? (Data is a class containing a number of Objects, each type TList, which contain OldValue, NewValue and SavedValue)

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  • Java Garbage Collection

    - by pietervn
    I was wondering about the garbage collection that takes place in Java. Is it really able to handle all objects that aren't used and free up the most possible memory? I also want to know how does the Java garbage collection compare to another language like lets say C#? And then, how does the automatic garbage collection measure up against manual collection from a language like C?

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  • VB .Net LINQ query to determine whether more than one element has the same value for a property?

    - by Alex Hope O'Connor
    I am trying to write a LINQ query which will return true if there are multiple objects which have a property with the same value. Here is what I have come up with so far: Formatters.Where(Function(f As DataModel.Formatter) _ Formatters.Select(Function(f2 As DataModel.Formatter) f2.Name.ToLower()).Contains(f.Name.ToLower())).Count > 1 However the above always returns true as long as their are more then 1 elements in the list, can someone please give me a hand with this? Thanks, Alex.

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  • CallbackValidator called with empty string

    - by Paolo Tedesco
    I am writing a custom configuration section, and I would like to validate a configuration property with a callback, like in this example: using System; using System.Configuration; class CustomSection : ConfigurationSection { [ConfigurationProperty("stringValue", IsRequired = false)] [CallbackValidator(Type = typeof(CustomSection), CallbackMethodName = "ValidateString")] public string StringValue { get { return (string)this["stringValue"]; } set { this["stringValue"] = value; } } public static void ValidateString(object value) { if (string.IsNullOrEmpty((string)value)) { throw new ArgumentException("string must not be empty."); } } } class Program { static void Main(string[] args) { CustomSection cfg = (CustomSection)ConfigurationManager.GetSection("customSection"); Console.WriteLine(cfg.StringValue); } } And my App.config file looks like this: <?xml version="1.0" encoding="utf-8" ?> <configuration> <configSections> <section name="customSection" type="CustomSection, config-section"/> </configSections> <customSection stringValue="lorem ipsum"/> </configuration> My problem is that when the ValidateString function is called, the value parameter is always an empty string, and therefore the validation fails. If i just remove the validator, the string value is correctly initialized to the value in the configuration file. What am I missing?

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  • Snap to Grid UI in Cappuccino

    - by Grnbeagle
    Does anyone know how to do snap-to-grid in Cappuccino? Basically, I have draggable objects which I can drag into a target area. The target view needs to be set up with snap-to-grid feature. I've seen it with Mockingbird, so it's definitely possible. Any info is appreciated. Thanks!

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  • Are vb.net eventArgs maintained at a "system" level?

    - by GregH
    I have a custom developed control I am using that somebody else wrote. For some reason, when the control was written, they did not write an event handler for the "mouseDown" event so when I mouseDown on the control, no event is fired. What I am basically trying to do is capture which mouse button (left or right) is pressed when the control is clicked on. Is there any sort of system level objects that maintain system state (including which mouse buttons are currently being pressed regardless of the control being clicked upon?)

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  • Improving field get and set performance with ASM or Javassist

    - by ng
    I would like to avoid reflection in an open source project I am developing. Here I have classes like the following. public class PurchaseOrder { @Property private Customer customer; @Property private String name; } I scan for the @Property annotation to determine what I can set and get from the PurchaseOrder reflectively. There are many such classes all using java.lang.reflect.Field.get() and java.lang.reflect.Field.set(). Ideally I would like to generate for each property an invoker like the following. public interface PropertyAccessor<S, V> { public void set(S source, V value); public V get(S source); } Now when I scan the class I can create a static inner class of PurchaseOrder like so. static class customer_Field implements PropertyAccessor<PurchaseOrder, Customer> { public void set(PurchaseOrder order, Customer customer) { order.customer = customer; } public Customer get(PurchaseOrder order) { return order.customer; } } With these I totally avoid the cost of reflection. I can now set and get from my instances with native performance. Can anyone tell me how I would do this. A code example would be great. I have searched the net for a good example but can find nothing like this. The ASM and Javasist examples are pretty poor also. The key here is that I have an interface that I can pass around. So I can have various implementations, perhaps one with Java Reflection as a default, one with ASM, and one with Javassist? Any help would be greatly appreciated.

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  • Why encodeXxx methods in UIComponent accept FacesContext parameter?

    - by Roman
    I haven't ever before created custom component in jsf so I've noticed it only now that methods like encodeBegin(), encodeEnd() etc accept FacesContext parameter. FacesContext instance can usually be received with FacesContext.getCurrentInstance(). So, I wonder whether these methods have FacesContext parameter just for convenience or some different objects can be passed there (maybe from external resources..). If the latter is possible then could you give an example pls.

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  • Strange problem with NSMutableArray - Possibly some memory corruption

    - by user210504
    Hi! I am trying to update data in a table view using a NSMutableArray. Quite simple :( What is happening is that I get my data from a NSURLConnection Callback, which I parse and store it in an array and call reload data on the table view. The problem is that when cellForRowAtIndexPath is called back by the framework. The array still shows the correct count of the elements but all string objects I had stored earlier are shown as invalid. Any pointers

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  • How to use SQLErrorCodeSQLExceptionTranslator and DAO class with @Repository in Spring?

    - by GuidoMB
    I'm using Spring 3.0.2 and I have a class called MovieDAO that uses JDBC to handle the db. I have set the @Repository annotations and I want to convert the SQLException to the Spring's DataAccessException I have the following example: @Repository public class JDBCCommentDAO implements CommentDAO { static JDBCCommentDAO instance; ConnectionManager connectionManager; private JDBCCommentDAO() { connectionManager = new ConnectionManager("org.postgresql.Driver", "postgres", "postgres"); } static public synchronized JDBCCommentDAO getInstance() { if (instance == null) instance = new JDBCCommentDAO(); return instance; } @Override public Collection<Comment> getComments(User user) throws DAOException { Collection<Comment> comments = new ArrayList<Comment>(); try { String query = "SELECT * FROM Comments WHERE Comments.userId = ?"; Connection conn = connectionManager.getConnection(); PreparedStatement stmt = conn.prepareStatement(query); stmt = conn.prepareStatement(query); stmt.setInt(1, user.getId()); ResultSet result = stmt.executeQuery(); while (result.next()) { Movie movie = JDBCMovieDAO.getInstance().getLightMovie(result.getInt("movie")); comments.add(new Comment(result.getString("text"), result.getInt("score"), user, result.getDate("date"), movie)); } connectionManager.closeConnection(conn); } catch (SQLException e) { e.printStackTrace(); //CONVERT TO DATAACCESSEXCEPTION } return comments; } } I Don't know how to get the Translator and I don't want to extends any Spring class, because that is why I'm using the @Repository annotation

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  • Creating a QMainWindow from Java using JNI

    - by ebasconp
    Hi everybody: I'm trying to create a Qt main windows from Java using JNI directly and I got a threading error. My code looks like this: Test class: public class Test { public static void main(String... args) { System.out.println(System.getProperty("java.library.path")); TestWindow f = new TestWindow(); f.show(); } } TestWindow class: public class TestWindow { static { System.loadLibrary("mylib"); } public native void show(); } C++ impl: void JNICALL Java_testpackage_TestWindow_show (JNIEnv *, jobject) { int c = 0; char** a = NULL; QApplication* app = new QApplication(c, a); QMainWindow* mw = new QMainWindow(); mw->setWindowTitle("Hello"); mw->setGeometry(150, 150, 400, 300); mw->show(); QApplication::exec(); } and I get my window painted but frozen (it does not receive any event) and the following error message when instantiating the QMainWindow object: QCoreApplication::sendPostedEvents: Cannot send posted events for objects in another thread I know all the UI operations must done in the UI thread but in my example I created the QApplication in the only thread I have running, so, everything should work properly. I did some tests executing the code of my "show" method from a QMetaObject::invokeMethod stuff using Qt::QueuedConnection but nothing works properly. I know I could use Jambi... but I know that it could be done natively too and that is what I want to do :) Any ideas on this? Thanks in advance! Ernesto

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  • How to sanity check a date in java

    - by Bloodboiler
    I find it curious that the most obvious way to create Date objects in Java has been deprecated and appears to have been "substituted" with not so obvious to use lenient calendar. So... How do you check that a date given as a combination of day, month and year is a valid date? For instance a date 2008-02-31 (as in yyyy-mm-dd) would be invalid date.

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  • C# DateTime Class and Datetime in database

    - by Spyros
    Hello . I have the following problem. I have an object with some DateTime properties , and a Table in database that I store all that objects , in Sql server I want to store the DateTime properties in some columns of DateTime Datatype, but the format of datetime in sql server is different from the DateTime class in c# and I got an sql exception saying "DateTime cannot be parsed". I know how to solve this by making the format yyyy-MM-dd but is this the proper and best solution to do this?

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  • django - variable declared in base project does not appear in app

    - by unsorted
    I have a variable called STATIC_URL, declared in settings.py in my base project: STATIC_URL = '/site_media/static/' This is used, for example, in my site_base.html, which links to CSS files as follows: <link rel="stylesheet" href="{{ STATIC_URL }}css/site_tabs.css" /> I have a bunch of templates related to different apps which extend site_base.html, and when I look at them in my browser the CSS is linked correctly as <link rel="stylesheet" href="/site_media/static/css/site_tabs.css" /> (These came with a default pinax distribution.) I created a new app called 'courses' which lives in the ...../apps/courses folder. I have a view for one of the pages in courses called courseinstance.html which extends site_base.html just like the other ones. However, when this one renders in my browser it comes out as <link rel="stylesheet" href="css/site_tabs.css" /> as if STATIC_URL were equal to "" for this app. Do I have to make some sort of declaration to get my app to take on the same variable values as the project? I don't have a settings.py file for the app. by the way, the app is listed in my list of INSTALLED_APPS and it gets served up fine, just without the link to the CSS file (so the page looks funny). Thanks in advance for your help.

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  • Jetty embedded: How to run the same config as with `mvn jetty:run-exploded`?

    - by Ondra Žižka
    Hi, I'd like to have the same Jetty server configuration, created programatically. When I run mvn jetty:run-exploded, my app works fine. When I run it from my code, the static content is not loaded. I know that I have to add a static content Servlet, so I tried: Server server = new Server(8080); Context ctx = new Context( server, "/", Context.SESSIONS ); DefaultServlet defaultServlet = new DefaultServlet(); ServletHolder defaultSH = new ServletHolder( defaultServlet ); defaultSH.setInitParameter( "resourceBase", "./"); ctx.addServlet( defaultSH, "/img" ); ctx.addServlet( defaultSH, "/css" ); ctx.addServlet( defaultSH, "/js" ); I am assuming that the pwd is in the webapp's "root", i.e. where the WEB-INF dir is. This does not work. Anyway. Is somewhere a clean block of pure Java code which will give me the exact same server config as the mvn jetty:run-explodeds default? Thanks for help, Ondra

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  • updating system's time using .Net

    - by user62958
    I am trying to update my system time using the following: [StructLayout(LayoutKind.Sequential)] private struct SYSTEMTIME { public ushort wYear; public ushort wMonth; public ushort wDayOfWeek; public ushort wDay; public ushort wHour; public ushort wMinute; public ushort wSecond; public ushort wMilliseconds; } [DllImport("kernel32.dll", EntryPoint = "GetSystemTime", SetLastError = true)] private extern static void Win32GetSystemTime(ref SYSTEMTIME lpSystemTime); [DllImport("kernel32.dll", EntryPoint = "SetSystemTime", SetLastError = true)] private extern static bool Win32SetSystemTime(ref SYSTEMTIME lpSystemTime); public void SetTime() { TimeSystem correctTime = new TimeSystem(); DateTime sysTime = correctTime.GetSystemTime(); // Call the native GetSystemTime method // with the defined structure. SYSTEMTIME systime = new SYSTEMTIME(); Win32GetSystemTime(ref systime); // Set the system clock ahead one hour. systime.wYear = (ushort)sysTime.Year; systime.wMonth = (ushort)sysTime.Month; systime.wDayOfWeek = (ushort)sysTime.DayOfWeek; systime.wDay = (ushort)sysTime.Day; systime.wHour = (ushort)sysTime.Hour; systime.wMinute = (ushort)sysTime.Minute; systime.wSecond = (ushort)sysTime.Second; systime.wMilliseconds = (ushort)sysTime.Millisecond; Win32SetSystemTime(ref systime); } When I debug everything looks good and all the values are correct but when it calles the Win32SetSystemTime(ref systime) th actual time of system(display time) doesn't change and stays the same. The strange part is that when I call the Win32GetSystemTime(ref systime) it gives me the new updated time. Can someone give me some help on this?

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  • Protobuf-net Deserialize Open Street Maps

    - by jonperl
    For the life of me I cannot deserialize the protobuf file from Open Street Maps. I am trying to deserialize the following extract: http://download.geofabrik.de/osm/north-america/us-northeast.osm.pbf to get Nodes and I am using http://code.google.com/p/protobuf-net/ as the library. I have tried to deserialize a bunch of different objects but they all come up null. The proto files can be found here: http://trac.openstreetmap.org/browser/applications/utils/export/osm2pgsql/protobuf Any suggestions?

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  • What is Object Decomposition?

    - by Mustafa
    Hi everyone, I was trying to understand what object decomposition means and read a lot of stuff on internet but every resource talks in terms of lots of keywords that i couldn't understand. So these resources expect you to know a few terms. I need something that lists the basics of decomposition from scratch. Is it anything more than breaking the design into objects? If no, any description will be appreciated. Thanks in advance

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  • Twitter json output

    - by Bunny Rabbit
    $(function(){ $.ajax({ url:'http://api.twitter.com/1/statuses/user_timeline.json?screen_name=user_name&callback=?', //dataType:'json', success:function(data){$('body').append('the data is' +data);} }); }); the above code with dataType line prints out [objects] while with the dataType line commented it prints out nothing ...how can i get it to print the json output from the server rather then the javascript object?

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