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  • Question about Paperclip for Rails

    - by sev
    I'm using Papeclip(2.3.1.1) with Rails(2.3.5). In my view I write so: <%= link_to image_tag(p.attachment.url(:small)), p.attachment.url(:original) %, and it becomes into href="/system/attachments/1/original/1.JPG?1270134617 (for a tag) src="/system/attachments/1/small/1.JPG?1270134617" (for img tag). And when I click on the picture, my browser (Firefox) offers me to save or open picture and I want to just open picture in browser without any dialogs. I think it's because link contains ?1270134617 after file's name. How can I fix it?

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  • What really is the purpose of "base" keyword in c#?

    - by Pandiya Chendur
    Thus for used base class for some commom reusable methods in every page of my application... public class BaseClass:System.Web.UI.Page { public string GetRandomPasswordUsingGUID(int length) { string guidResult = System.Guid.NewGuid().ToString(); guidResult = guidResult.Replace("-", string.Empty); return guidResult.Substring(0, length); } } So if i want to use this method i would just do, public partial class forms_age_group : BaseClass { protected void Page_Load(object sender, EventArgs e) { //i would just call it like this string pass = GetRandomPasswordUsingGUID(10); } } It does what i want but there is a "Base" keyword that deals with base class in c# ... I really want to know when should use base keyword in my derived class.... Any good example...

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  • in c# a label that displays info, then when clicked it opens firefox and searches for the info displ

    - by NightsEVil
    hey i have a label that displays graphics card name and make and stuff and i'm working on having it so that when its clicked, it opens Firefox and searches Google for the info found by "name" i tried using let met Google that for you but it searches for like each work individually well this is what iv tried so far and it kinda works but there's something wrong private void label13_Click(object sender, EventArgs e) { ManagementObjectSearcher Vquery = new ManagementObjectSearcher("SELECT * FROM Win32_VideoController"); ManagementObjectCollection Vcoll = Vquery.Get(); foreach (ManagementObject mo in Vcoll) { System.Diagnostics.Process CcleanerA = System.Diagnostics.Process.Start(@"C:\Program Files (x86)\Mozilla Firefox\firefox.exe", "http://google.com/?q="+(mo["name"].ToString())); } }

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  • protect (encrypt) password in the web.config file (asp.net)

    - by Hazro City
    <system.net> <mailSettings> <smtp from="[email protected]" deliveryMethod="Network"> <network clientDomain="www.domain.com" host="smtp.live.com" defaultCredentials="false" port="25" userName=" [email protected] " password="password" enableSsl="true" /> </smtp> </mailSettings> </system.net> This is the case where I need encryption for my password. I searched and googled much on the web but I can’t be able to encrypt anymore. Can anyone help me do this in a simple but secure way.

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  • How to access a field's value in an object using reflection

    - by kentcdodds
    My Question: How to overcome an IllegalAccessException to access the value of a an object's field using reflection. Expansion: I'm trying to learn about reflection to make some of my projects more generic. I'm running into an IllegalAccessException when trying to call field.getValue(object) to get the value of that field in that object. I can get the name and type just fine. If I change the declaration from private to public then this works fine. But in an effort to follow the "rules" of encapsulation I don't want to do this. Any help would be greatly appreciated! Thanks! My Code: package main; import java.lang.reflect.Field; public class Tester { public static void main(String args[]) throws Exception { new Tester().reflectionTest(); } public void reflectionTest() throws Exception { Person person = new Person("John Doe", "555-123-4567", "Rover"); Field[] fields = person.getClass().getDeclaredFields(); for (Field field : fields) { System.out.println("Field Name: " + field.getName()); System.out.println("Field Type: " + field.getType()); System.out.println("Field Value: " + field.get(person)); //The line above throws: Exception in thread "main" java.lang.IllegalAccessException: Class main.Tester can not access a member of class main.Tester$Person with modifiers "private final" } } public class Person { private final String name; private final String phoneNumber; private final String dogsName; public Person(String name, String phoneNumber, String dogsName) { this.name = name; this.phoneNumber = phoneNumber; this.dogsName = dogsName; } } } The Output: run: Field Name: name Field Type: class java.lang.String Exception in thread "main" java.lang.IllegalAccessException: Class main.Tester can not access a member of class main.Tester$Person with modifiers "private final" at sun.reflect.Reflection.ensureMemberAccess(Reflection.java:95) at java.lang.reflect.AccessibleObject.slowCheckMemberAccess(AccessibleObject.java:261) at java.lang.reflect.AccessibleObject.checkAccess(AccessibleObject.java:253) at java.lang.reflect.Field.doSecurityCheck(Field.java:983) at java.lang.reflect.Field.getFieldAccessor(Field.java:927) at java.lang.reflect.Field.get(Field.java:372) at main.Tester.reflectionTest(Tester.java:17) at main.Tester.main(Tester.java:8) Java Result: 1 BUILD SUCCESSFUL (total time: 0 seconds)

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  • Environment Variable to determine the OS type (Windows XP, Windows 7)

    - by Santhosh
    I want to differrntiate between Windows XP and Windows 7 in a XML file. Thought i will use an environment variable for it inside the XML. However I could not find any system environment variable defined in windows that gives this information. I see the %OSTYPE% variable but it is only available in Windows 7. It is not defined in XP. Is there anyway i could do this? Note that i would like a solution which purely depends on system environment variables. I do not want to create new variables based on executing some command, because i want to use this variable in a XML file.

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  • based map follow layer wms tiled

    - by user32263
    hye all, im new in openlayer, just want to ask, i want to develop one system i already get layer from geoserver using wms services; this is the code: var hilirPerak = new OpenLayers.Layer.WMS("hilirPerak", "http://localhost:8080/geoserver/hilirPerak/wms", { workspace: 'hilirPerak', layers: 'hilirPerak:lot', styles:'', format: 'image/png', tiled: true, transitionEffect: 'resize', units: 'degrees' }, { maxResolution: 1000, singleTile: false, ratio:1, isBaseLayer:false, tilesOrigin : map.maxExtent.left + ',' + map.maxExtent.bottom, buffer: 0, visibility:true, maxExtent: OpenLayers.Bounds.fromString("3.873635,4.074956,101.14974"), //ratio: 1.9, //buffer: 0, //displayOutsideMaxExtent: true, //isBaseLayer: true, yx : {'EPSG:4326' : true}, displayOutsideMaxExtent: true, transparent:true } ); its show on system, for based map im using google, but the problem is, when i tick check layer, the based map follow size layer. if the layer point at certain place, based map follow layer bounds. please help me.. Thank you

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  • Regular expression and newline

    - by Ockonal
    Hello guys, I have such text: <[email protected]> If you do so, please include this problem report. <[email protected]> You can delete your own text from the attached returned message. The mail system <[email protected]>: connect to *.net[82.*.86.*]: Connection timed out I have to parse email from it. Could you help me with this job? upd There could be another email addresses in <%here%. There should be connection between 'The mail system' text. I need in email which goes after that text.

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  • CMS for SmartPhones

    - by dde
    The company I work for has a document management and retrieval system. We are noticing employees use more their smartphones than their laptops, but they cannot access the document management system. So, we are thinking about a CMS, with persistent storage, perhaps developed in Java. I just started looking into Jease and dotCMS, and also checked here those recommendations in questions like "Best Open Source Java CMS", etc I find some CMSs too bulky for simple stuff like what we need which is basically document download/edit/upload, and some simple collaboration and personalization stuff. Smartphones of choice in our workforce are Nokia, Blackberry and IPhone, The question is: are there java based with persistent db CMSs aimed at Smartphones right now? I need replication of the complete database and run website offline.

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  • Returning the index number of an Arraylist in Java

    - by Daniel
    I would like my method public void showClassRoomDetails(String teacherName) to return the Arraylist index number using the teacherName. Thanks import java.util.ArrayList; public class School { private ArrayList<Classroom> classrooms; private String classRoomName; private String teacherName; public School() { classrooms = new ArrayList<Classroom>(); } public void addClassRoom(Classroom newClassRoom, String theClassRoomName) { classrooms.add(newClassRoom); classRoomName = theClassRoomName; } public void addTeacherToClassRoom(int classroomId, String TeacherName) { if (classroomId < classrooms.size() ) { classrooms.get(classroomId).setTeacherName(TeacherName); } } public void showClassRoomDetails(String teacherName) { for (Classroom classroom : this.classrooms) { if (classroom.returnTeacherName().equals(teacherName)) { System.out.println(classroom.returnClassRoomName()); System.out.println(classroom.returnTeacherName()); break; } } } }

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  • GetdataBy date doesn't work Why?

    - by vp789
    I am trying to pull the data by date in vb.net. It is not throwing the error nor giving any result. Whereas It shows the results in table adapter configuration wizard when I try through query builder. I am using date time picker in the form. But I have formatted the date in the database as date.I am puzzled. Private Sub ToolStripButton1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles ToolStripButton1.Click Try Dim dt As Date = CDate(tspTextDate.Text) Me.Bank_transactionsTableAdapter.GetDataByDate(dt) 'Catch ex As Exception Catch ex As FormatException MessageBox.Show("date is wrong", "Entry Error") Catch ex As SqlException MessageBox.Show("SQL Server error#" & ex.Number _ & ":" & ex.Message, ex.GetType.ToString) End Try End Sub rows of data BT102 4/5/2010 BKS 200.00 1200.00 1400.00 BT103 4/5/2010 BKS 200.00 1400.00 1600.00 BT105 4/6/2010 BKS 200.00 1800.00 1800.00

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  • smtp exception "failure sending mail" in C#.net

    - by Ajay_Kumar
    Hello, I am making smtp mail application c#.net.This is working ok for Gmail setting but i have to work it for VSNL connection.I am getting an error exception "Failure sending mail" my setting seems looks perfect.What is the exact problem ? why this exception coming ? Thanks MailMessage mailMsg = new MailMessage(); MailAddress mailAddress = new MailAddress("[email protected]"); mailMsg.To.Add(textboxsecondry.Text); mailMsg.From = mailAddress; // Subject and Body mailMsg.Subject = "Testing mail.."; mailMsg.Body = "connection testing.."; SmtpClient smtpClient = new SmtpClient("smtp.vsnl.net", 25); System.Net.NetworkCredential credentials = new System.Net.NetworkCredential("[email protected]", "password"); smtpClient.EnableSsl = true; smtpClient.UseDefaultCredentials = false; smtpClient.Credentials = credentials; smtpClient.Send(mailMsg);

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  • java thread - run() and start() methods

    - by JavaUser
    Please explain the output of the below code: If I call th1.run() ,the output is EXTENDS RUN RUNNABLE RUN If I call th1.start() , the output is : RUNNABLE RUN EXTENDS RUN Why this inconsistency . Please explain. class ThreadExample extends Thread{ public void run(){ System.out.println("EXTENDS RUN"); } } class ThreadExampleRunnable implements Runnable { public void run(){ System.out.println("RUNNABLE RUN "); } } class ThreadExampleMain{ public static void main(String[] args){ ThreadExample th1 = new ThreadExample(); //th1.start(); th1.run(); ThreadExampleRunnable th2 = new ThreadExampleRunnable(); th2.run(); } }

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  • Java RMI cannot connect to host from external client.

    - by Koe
    I've been using RMI in this project for a while. I've gotten the client program to connect (amongst other things) to the server when running it over my LAN, however when running it over the internet I'm running into the following exception: java.rmi.ConnectException: Connection refused to host: (private IP of host machine); nested exception is: java.net.ConnectException: Connection timed out: connect at sun.rmi.transport.tcp.TCPEndpoint.newSocket(Unknown Source) at sun.rmi.transport.tcp.TCPChannel.createConnection(Unknown Source) at sun.rmi.transport.tcp.TCPChannel.newConnection(Unknown Source) at sun.rmi.server.UnicastRef.invoke(Unknown Source) at java.rmi.server.RemoteObjectInvocationHandler.invokeRemoteMethod(Unknown Source) at java.rmi.server.RemoteObjectInvocationHandler.invoke(Unknown Source) at $Proxy1.ping(Unknown Source) at client.Launcher$PingLabel.runPing(Launcher.java:366) at client.Launcher$PingLabel.<init>(Launcher.java:353) at client.Launcher.setupContentPane(Launcher.java:112) at client.Launcher.<init>(Launcher.java:99) at client.Launcher.main(Launcher.java:59) Caused by: java.net.ConnectException: Connection timed out: connect at java.net.PlainSocketImpl.socketConnect(Native Method) at java.net.PlainSocketImpl.doConnect(Unknown Source) at java.net.PlainSocketImpl.connectToAddress(Unknown Source) at java.net.PlainSocketImpl.connect(Unknown Source) at java.net.SocksSocketImpl.connect(Unknown Source) at java.net.Socket.connect(Unknown Source) at java.net.Socket.connect(Unknown Source) at java.net.Socket.<init>(Unknown Source) at java.net.Socket.<init>(Unknown Source) at sun.rmi.transport.proxy.RMIDirectSocketFactory.createSocket(Unknown Source) at sun.rmi.transport.proxy.RMIMasterSocketFactory.createSocket(Unknown Source) ... 12 more This error is remeniscent of my early implementation of RMI and I can obtain the error verbatum if I run the client locally without the server program running as well. To me Connection Timed Out means a problem with the server's response. Here's the client initiation: public static void main(String[] args) { try { String host = "<WAN IP>"; Registry registry = LocateRegistry.getRegistry(host, 1099); Login lstub = (Login) registry.lookup("Login Server"); Information istub = (Information) registry.lookup("Game Server"); new Launcher(istub, lstub); } catch (RemoteException e) { System.err.println("Client exception: " + e.toString()); e.printStackTrace(); } catch (NotBoundException e) { System.err.println("Client exception: " + e.toString()); e.printStackTrace(); } } Interestingly enough no Remote Exception is thrown here. Here's the server initiation: public static void main(String args[]) { try { GameServer gobj = new GameServer(); Information gstub = (Information) UnicastRemoteObject.exportObject( gobj, 1099); Registry registry = LocateRegistry.createRegistry(1099); registry.bind("Game Server", gstub); LoginServer lobj = new LoginServer(gobj); Login lstub = (Login) UnicastRemoteObject.exportObject(lobj, 7099); // Bind the remote object's stub in the registry registry.bind("Login Server", lstub); System.out.println("Server ready"); } catch (Exception e) { System.err.println("Server exception: " + e.toString()); e.printStackTrace(); } } Bad practice with the catch(Exception e) I know but bear with me. Up to this stage I know it works fine over the LAN, here's where the exception occurs over the WAN and is the first place a method in the server is called: private class PingLabel extends JLabel { private static final long serialVersionUID = 1L; public PingLabel() { super(""); runPing(); } public void setText(String text) { super.setText("Ping: " + text + "ms"); } public void runPing() { try { PingThread pt = new PingThread(); gameServer.ping(); pt.setRecieved(true); setText("" + pt.getTime()); } catch (RemoteException e) { e.printStackTrace(); } } } That's a label placed on the launcher as a ping test. the method ping(), in gameserver does nothing, as in is a null method. It's worth noting also that ports 1099 and 7099 are forwarded to the server machine (which should be obvious from the stack trace). Can anyone see anyting I'm missing/doing wrong? If you need any more information just ask. EDIT: I'm practically certain the problem has nothing to do with my router settings. When disabling my port forwarding settings I get a slightly different error: Client exception: java.rmi.ConnectException: Connection refused to host: (-WAN IP NOT LOCAL IP-); but it appears both on the machine locally connected to the server and on the remote machine. In addition, I got it to work seamlessly when connecting the server straight tho the modem (cutting out the router. I can only conclude the problem is in my router's settings but can't see where (I've checked and double checked the port forwarding page). That's the only answer i can come up with.

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  • Searching for empty methods

    - by Brian McCord
    I am currently working on a security audit/code review of our system. This requires me to check all pages in the system and make sure that the code behind contains two methods that are used to check security. Sometimes the code in these methods get commented out to make testing easier. So, my question is does anyone know an easy way to search code, make sure the methods are present, and to determine which ones have no code or have all the code commented out. It would make my job much easier if I can get a list instead of having to look at every file... I'm sure I could write this myself, but I thought someone may know of something that already exists. Thanks!

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  • Java: Detecting image formate - resize (scale) and save as JPEG

    - by BoDiE2003
    This is the code I have, it actually works, not perfectly but it does, the problem is that the resized thumbnails are not pasting on the white Drawn rectangle, breaking the images aspect ratio, here is the code, could someone suggest me a fix for it, please? Thank you import java.awt.Color; import java.awt.Graphics2D; import java.awt.Image; import java.awt.RenderingHints; import java.awt.geom.Rectangle2D; import java.awt.image.BufferedImage; import java.io.BufferedInputStream; import java.io.ByteArrayInputStream; import java.io.ByteArrayOutputStream; import java.io.IOException; import java.io.InputStream; import javax.imageio.ImageIO; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; public class ImageScalerImageIoImpl implements ImageScaler { private static final String OUTPUT_FORMAT_ID = "jpeg"; // Re-scaling image public byte[] scaleImage(byte[] originalImage, int targetWidth, int targetHeight) { try { InputStream imageStream = new BufferedInputStream( new ByteArrayInputStream(originalImage)); Image image = (Image) ImageIO.read(imageStream); int thumbWidth = targetWidth; int thumbHeight = targetHeight; // Make sure the aspect ratio is maintained, so the image is not skewed double thumbRatio = (double)thumbWidth / (double)thumbHeight; int imageWidth = image.getWidth(null); int imageHeight = image.getHeight(null); double imageRatio = (double)imageWidth / (double)imageHeight; if (thumbRatio < imageRatio) { thumbHeight = (int)(thumbWidth / imageRatio); } else { thumbWidth = (int)(thumbHeight * imageRatio); } // Draw the scaled image BufferedImage thumbImage = new BufferedImage(thumbWidth, thumbHeight, BufferedImage.TYPE_INT_RGB); System.out.println("Thumb width Buffered: " + thumbWidth + " || Thumb height Buffered: " + thumbHeight); Graphics2D graphics2D = thumbImage.createGraphics(); // Use of BILNEAR filtering to enable smooth scaling graphics2D.setRenderingHint(RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BILINEAR); // graphics2D.drawImage(image, 0, 0, thumbWidth, thumbHeight, null); // White Background graphics2D.setPaint(Color.WHITE); graphics2D.fill(new Rectangle2D.Double(0, 0, targetWidth, targetHeight)); graphics2D.fillRect(0, 0, targetWidth, targetHeight); System.out.println("Target width: " + targetWidth + " || Target height: " + targetHeight); // insert the resized thumbnail between X and Y of the image graphics2D.drawImage(image, 0, 0, thumbWidth, thumbHeight, null); System.out.println("Thumb width: " + thumbWidth + " || Thumb height: " + thumbHeight); // Write the scaled image to the outputstream ByteArrayOutputStream out = new ByteArrayOutputStream(); ImageIO.write(thumbImage, OUTPUT_FORMAT_ID, out); return out.toByteArray(); } catch (IOException ioe) { throw new ImageResizingException(ioe); } } }

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  • Detecting Visual Studio Smart-tags events

    - by devoured elysium
    Is it possible to detect with VSX when any (or a particular) smart tag event is happening? I mean, every time we rename a variable, for example, a smart tag is available that allows us to change it through a form. I'd like to know if I can access that "text is changing" event. I don't mean to have to check for myself if the text is being changed and such, I'd like to make use of VS event system (if there is one). I gave this example but I'd like to know the "general system" of how smart tags work with VSX. Thanks

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  • How can I dial the default connection on Pocket PC 2003 ?

    - by Jalil
    I am working on a PPC2003 application. The devices on which the application has to run have a modem and VPN connection set. I want to automatically dial the system default "work" connection, which is the VPN one, which dial the modem one first. The user has another application who does automatically make the system dial the default connection. But I can't undertand how to do it from my Compact .NET application. I tried using OpenNETCF net package, but I could not make it work.

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  • How to create initializeDB() method for java database

    - by Holly
    I am working on a Java project for class and have not worked much with incorporating databases into Java. I can't find much on the initializeDB() method, but if I could get some help I would really appreciate it. Below is the code being used for the intializeDB() method: private void initializeDB() { try { // Load the JDBC driver System.out.println("Driver loaded"); // Establish a connection System.out.println("Database connected"); // Create a statement // Create a SQL Query string // Execute the query to create a recordset } catch (Exception ex) { ex.printStackTrace(); } }

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  • Get ANSI-colored output from external command

    - by German Rumm
    I am writing a small script for watchr that runs my PHP unit tests. Current script runs tests using system() and displays them colored. I am trying to add libnotify functionality, but for that I need to parse the output and match against regexp, so that notification will either display green or red. system() doesn't return output, %x does return, but puts p doesn't display colors, which I need to quickly see which test failed. One option would be to run tests twice - once for display in terminal window, and second time for checking which notification to show, but I would rather avoid it.

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  • Can't get jQuery AutoComplete to work with External JSON

    - by rockinthesixstring
    I'm working on an ASP.NET app where I'm in need of jQuery AutoComplete. Currently there is nothing happening when I type data into the txt63 input box (and before you flame me for using a name like txt63, I know, I know... but it's not my call :D ). Here's my javascript code <script src="http://ajax.googleapis.com/ajax/libs/jquery/1.4.2/jquery.min.js" type="text/javascript"></script> <script src="http://ajax.googleapis.com/ajax/libs/jqueryui/1.8.1/jquery-ui.min.js" type="text/javascript"></script> <script src="http://jquery-ui.googlecode.com/svn/tags/latest/external/jquery.bgiframe-2.1.1.js" type="text/javascript"></script> <script src="http://ajax.googleapis.com/ajax/libs/jqueryui/1.8.1/i18n/jquery-ui-i18n.min.js" type="text/javascript"></script> <script language="javascript" type="text/javascript"> var theSource = '../RegionsAutoComplete.axd?PID=<%= hidden62.value %>' $(function () { $('#<%= txt63.ClientID %>').autocomplete({ source: theSource, minLength: 2, select: function (event, ui) { $('#<%= hidden63.ClientID %>').val(ui.item.id); } }); }); and here is my HTTP Handler Namespace BT.Handlers Public Class RegionsAutoComplete : Implements IHttpHandler Public ReadOnly Property IsReusable() As Boolean Implements System.Web.IHttpHandler.IsReusable Get Return False End Get End Property Public Sub ProcessRequest(ByVal context As System.Web.HttpContext) Implements System.Web.IHttpHandler.ProcessRequest 'the page contenttype is plain text context.Response.ContentType = "application/json" context.Response.ContentEncoding = Encoding.UTF8 'set page caching context.Response.Cache.SetExpires(DateTime.Now.AddHours(24)) context.Response.Cache.SetCacheability(HttpCacheability.Public) context.Response.Cache.SetSlidingExpiration(True) context.Response.Cache.VaryByParams("PID") = True Try ' use the RegionsDataContext Using RegionDC As New DAL.RegionsDataContext ' query the database based on the querysting PID Dim q = (From r In RegionDC.bt_Regions _ Where r.PID = context.Request.QueryString("PID") _ Select r.Region, r.ID) ' now we loop through the array ' and write out the ressults Dim sb As New StringBuilder sb.Append("{") For Each item In q sb.Append("""" & item.Region & """: """ & item.ID & """,") Next sb.Append("}") context.Response.Write(sb.ToString) End Using Catch ex As Exception HealthMonitor.Log(ex, False, "This error occurred while populating the autocomplete handler") End Try End Sub End Class End Namespace The rest of my ASPX page has the appropriate controls as I had this working with the old version of the jQuery library. I'm trying to get it working with the new one because I heard that the "dev" CDN was going to be obsolete. Any help or direction will be greatly appreciated.

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  • How to connect to the process

    - by Polaris
    I have WPF Application. My Application consist of 2 exe files: Notifier.exe and MainApp.exe. Notifier is system tray popup application which check the remote server in equal intervals and get the list of current documents of user. When user click on one of the documents in list in Notification popup I open MainApp.exe and show required document in new tab. But When user click on another document in list it open new MainApp.exe process. Question: How Can I connect specific (already opened) process in the operating system and create some object in it?

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