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  • Update query in ado.net

    - by nikhil
    I wanted to update a column in my table, i have written the code it runs fine without any error also it displays the confirmation dialog box but the table is not updated whats wrong with the code. Dim sqlConn As New SqlClient.SqlConnection sqlConn.ConnectionString = "Data Source=.\SQLEXPRESS;AttachDbFilename=|DataDirectory|\housingsociety.mdf;Integrated Security=True;Connect Timeout=30;User Instance=True" Try sqlConn.Open() Catch sqlError As Exception MsgBox(sqlError.Message, 0, "Connection Error!") End Try Dim sqlComm As New SqlClient.SqlCommand sqlComm.Connection = sqlConn sqlComm.CommandText = "update committe_member set name = '@name' where name = 'member1'" Dim paramString As New SqlClient.SqlParameter("@name", SqlDbType.VarChar, 50) paramString.Direction = ParameterDirection.Input sqlComm.Parameters.Add(paramString) paramString.Value = TextBox1.Text sqlComm.ExecuteNonQuery() MsgBox("Record Sucessfully Altered", 0, "Confirmation!") sqlConn.Close()

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  • JSP: I am doing an application in which i have to download ppt file .

    - by Sanjeev
    I am doing an application in which i have to download ppt file using a jsp page. I am using The following code but its not working <% try { String filename = "file/abc.ppt"; // set the http content type to "APPLICATION/OCTET-STREAM response.setContentType("APPLICATION/OCTET-STREAM"); // initialize the http content-disposition header to // indicate a file attachment with the default filename // "myFile.txt" String disHeader = "Attachment Filename=\"abc.ppt\""; response.setHeader("Content-Disposition", disHeader); // transfer the file byte-by-byte to the response object File fileToDownload = new File(filename); FileInputStream fileInputStream = new FileInputStream(fileToDownload); int i; while ((i=fileInputStream.read())!=-1) { out.write(i); } fileInputStream.close(); out.close(); }catch(Exception e) // file IO errors { e.printStackTrace(); } % can anybody solve this problem...........

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  • How to run a .class file in Windows 7 OS?

    - by jNoob
    Hi, This is probably a stupid question, but how do I run a class file on windows 7? I usually create my own .java files and then use a basic IDE (with JDK6) to compile it to a class and run it automatically. My professor gave a .class file that we are supposed to play with extensively but I have no idea how to to run it here. Note that I cannot run it by typing: java classname.class because it contains gui stuff especially buttons and such. If I do the above I get the following error: java.lang.NoClassDefFoundError: Test1/2/class Caused by: java.lang.ClassNotFoundException: Test1.2.class at java.net.URLClassLoader$1.run(Unknown Source) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(Unknown Source) at java.lang.ClassLoader.loadClass(Unknown Source) at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source) at java.lang.ClassLoader.loadClass(Unknown Source) at java.lang.ClassLoader.loadClassInternal(Unknown Source) Could not find the main class: Test1.2.class. Program will exit. Exception in thread "main" Any help would be highly appreciated. Thanks.

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  • const keyword in Objective-c

    - by user392412
    int main(int argc, char *argv[]) { @autoreleasepool { const int x = 1; const NSMutableArray *array1 = [NSMutableArray array]; const NSMutableString *str1 = @"1"; NSString * const str2 = @"2"; // x = 2; compile error [array1 addObject:@"2"]; // ok // [str1 appendString:@"2"]; // runtime error // Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: 'Attempt to mutate immutable object with appendString:' // str2 = @"3"; compile error } } my Question is Why array1 addObject is legal and why str1 appendString is forbidden?

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  • How detect length of a numpy array with only one element?

    - by mishaF
    I am reading in a file using numpy.genfromtxt which brings in columns of both strings and numeric values. One thing I need to do is detect the length of the input. This is all fine provided there are more than one value read into each array. But...if there is only one element in the resulting array, the logic fails. I can recreate an example here: import numpy as np a = np.array(2.3) len(a) returns an error saying: TypeError: len() of unsized object however, If a has 2 or more elements, len() behaves as one would expect. import numpy as np a = np.array([2.3,3.6]) len(a) returns 2 My concern here is, if I use some strange exception handling, I can't distinguish between a being empty and a having length = 1.

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  • error in copy/ paste of image

    - by sayyad
    I am getting an error by implementing this simple code. I donot understand where I am doing mistake. // ERROR An unhandled exception of type 'System.NullReferenceException' occurred in ImageCSharp.exe Additional information: Der Objektverweis wurde nicht auf eine Objektinstanz festgelegt. I can get clipboard text but why i can't get /set image. //CODE public void copy() { // Determine the active child form. fImage activeChild = this.ActiveMdiChild as fImage; if (activeChild != null) { PictureBox mypicbox = activeChild.picbox; string win_name = activeChild.Tag.ToString(); Clipboard.SetImage(mypicbox.Image); Clipboard.SetText(win_name); } } private void paste() { Image im= Clipboard.GetImage(); this.pictureBox1.Image = im; MessageBox.Show(im.Size.ToString()); } regards,

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  • Reading a file over a network path

    - by Sin5k4
    I have this weird issue,when I use > File FileToRead = new File("\\\\MYSERVER\\MYFOLDER\\MYFOLDER\\MYPICTURE.JPG"); to read a file over a network,all I get is a null pointer exception.Normally a local path works with this,but when on a network path,I just couldn't manage to get it to work.Any ideas? PS:oh and my network connection seems to work,no issues when accessing data in windows explorer... More of the code: File FileToRead = new File("file://DOKSERVICE/Somefolder/ProductImage/01001.JPG"); // File FileToRead = new File("c:\\dog.jpg"); local test BufferedImage image = ImageIO.read(FileToRead); BufferedImage resizedimage = new BufferedImage(260, 260,BufferedImage.TYPE_INT_RGB ); Graphics2D g = resizedimage.createGraphics(); g.drawImage(image, 0, 0, 260, 260, null); g.dispose(); picture.setIcon(new ImageIcon(image));

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  • NSPredicate aggregate function [SIZE] gives 'unsupported function expression' error

    - by jinglesthula
    iOS 4: I have entities in Core Data (using SQLite, which is a requirement) of: Request Response (which has a property personId) Revision Relationships are: Request <-- Revision Request <-- Response Revision <-- Response (e.g. each request may have many responses; each request/response pair may have many revisions) I'm trying to do a predicate to get all Responses with a given personId that have zero Revisions. Using: (personId == %d) && (Request.Revision[SIZE] == 0) in my predicate string gives me a runtime exception "Unsupported function expression Request.Revision[SIZE]" The documentation seems pretty sparse on aggregate functions, only noting that they exist, but with no syntax or examples. Not sure if it's my syntax or if the SIZE function really isn't supported in iOS.

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  • siverlight and windows workflow foundation

    - by wissem
    private void btnUpdate_Click(object sender, RoutedEventArgs e) { xxxxxxx.Workflow1_WebServiceSoapClient zer = new xxxxx.Workflow1_WebServiceSoapClient(); zer.demanderSubmitReportCompleted += new EventHandler<xxxxxxxxxxxxxxx.demanderSubmitReportCompletedEventArgs>(service2); zer.demanderSubmitReportAsync("zzz", 20000); } public void service2(object sender, xxxxx.demanderSubmitReportCompletedEventArgs e) { string a = e.Result; } I'm trying to call a windows workflow foundation published as a web service from a Silverlight project. When I call it from a console application it works fine because I can add a web reference then I just make an instance of that webservice then I invoke the method I want. The problem is in the silverlight project cause i can just add a service reference so I find myself working with soap stuff that doesn't work at all, and here is the code error: here is the code error:i change it a litle bit in english Error in exécution Microsoft JScript: Unhandled Error in Silverlight Application exception happened in the operation, résult not valide. Consult InnerException for more information. in System.ComponentModel.AsyncCompletedEventArgs.RaiseExceptionIfNecessary() in AEDSilverlightIntegrated.ServiceReference2.demanderSubmitReportCompletedEventArgs.get_Result() in AEDSilverlightIntegrated.SilverEntryAedHeaderNew.mmm_demanderSubmitReportCompleted(Object sender, demanderSubmitReportCompletedEventArgs e) in AEDSilverlightIntegrated.ServiceReference2.Workflow1_WebServiceSoapClient.OndemanderSubmitReportCompleted(Object state)

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  • Is there a file diff tool that allows for exceptions?

    - by Kevin
    We currently use Beyond Compare 3.0 and I am quite pleased with it. However, it would be great if I could easily specify an exclusion for a specific one-time case. This is needed when I am doing a code review of some refactoring. For instance: Old code doSomething(ConstantsInterface.FOOBAR); New code: doSomething(BetterEnumeration.FOOBAR); In this case, I have hundreds of changes that I am reviewing that are essentially all the same exact change and I just want to see the exceptions. It would be great if I could easily specify an exception that indicates these two cases are equal. I know of a way to do it in the grammar, but it is tedious and cumbersome in the case where there are ten or so exceptions. Any other tips?

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  • How do I make a defaultdict safe for unexpecting clients?

    - by ~miki4242
    Several times (even several in a row) I've been bitten by the defaultdict bug. d = defaultdict(list) ... try: v = d["key"] except KeyError: print "Sorry, no dice!" For those who have been bitten too, the problem is evident: when d has no key 'key', the v = d["key"] magically creates an empty list and assigns it to both d["key"] and v instead of raising an exception. Which can be quite a pain to track down if d comes from some module whose details one doesn't remember very well. I'm looking for a way to take the sting out of this bug. For me, the best solution would be to somehow disable a defaultdict's magic before returning it to the client.

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  • too many threads due to synch communication

    - by MasoudIzzy
    I'm using threads and xmlrpclib in python at the same time. Periodically, I create a bunch of thread to complete a service on a remote server via xmlrpclib. The problem is that, there are times that the remote server doesn't answer. This causes the thread to wait forever for a response which it never gets. Over time, number of threads in this state increases and will reach the maximum number of allowed threads on the system (I'm using fedora). I tried to use socket.setdefaulttimeout(10); but the exception that is created by that will cause the server to defunct. I used it at server side but it seems that it doesn't work :/ Any idea how can I handle this issue?

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  • Integrate with Google calendar ?

    - by Karthick
    Hi all.I am using the following code to integrate with google calendar. CalendarService myService = new CalendarService("CalService"); myService.setUserCredentials("[email protected]", "xxxxxxx"); URL feedUrl = new URL("https://www.google.com/calendar/feeds/default/private/"); CalendarFeed resultFeed = myService.getFeed(feedUrl, CalendarFeed.class); System.out.println("Your calendars:"); for (int i = 0; i < resultFeed.getEntries().size(); i++) { CalendarEntry entry = resultFeed.getEntries().get(i); System.out.println("\t" + entry.getTitle().getPlainText()); } But it gives the Exception: Invalid credentials ERROR: JDWP Unable to get JNI 1.2 environment, jvm->GetEnv() return code = -2 JDWP exit error AGENT_ERROR_NO_JNI_ENV(183): [../../../src/share/back/util.c:820] Help me to solve this. Can anyone please list the needed jar files to adding calendar events to Google calendar

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  • Can I catch bad pointer errors in C++?

    - by Simon
    Hi there, I was wondering if there is a possibility to catch errors like this in C++: object* p = new object; delete p; delete p; //this would cause an error, can I catch this? Can I check if the pointer is valid? Can I catch some exception? I know I could set the pointer p to NULL after the first object deletion. But just imagine you wouldn't do that. I am using VC++ with Visual Studio 2008/2010. Thank you

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  • Compilation Error related

    - by aparna
    Given: 11. public static void test(String str) { 12. int check = 4; 13. if (check = str.length()) { 14. System.out.print(str.charAt(check -= 1) +", "); 15. } else { 16. System.out.print(str.charAt(0) + ", "); 17. } 18. } and the invocation: 21. test("four"); 22. test("tee"); 23. test("to"); What is the result? A. r, t, t, B. r, e, o, C. Compilation fails. D. An exception is thrown at runtime. Answer: C Can you explain why the compilation fails please?

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  • response.sendRedirect not working

    - by Amar
    response.sendRedirect method is not working in my program. String id="java"; try { query = "select Id from Users where Id= ?"; ps =Database.getConnection().prepareStatement(query); ps.setString(1, id); rs = ps.executeQuery(); if(rs.next()){ out.println(rs.getString(1)); }else { //out.println("wrong user"); response.sendRedirect("www.google.com"); } rs.close(); }catch(Exception e){ //e.printStackTrace(); System.out.print(e); } form the above i commented "out.println("wrong user");". when i remove this comment it works. but no redirect to the google page. Any answers?

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  • Swing invokeLater never shows up, invokeAndWait throws error. What can I do?

    - by Geo
    I have this code: try { SwingUtilities.invokeAndWait(new Runnable() { public void run() { try { dialog.handleDownload(); } catch (IOException io) { io.printStackTrace(); } } }); } catch(Exception io) { io.printStackTrace(); } in the handleDownload I'm reading an inputstream, calculating a progress bar's value, and setting it to that. So, when I click a button, a new JFrame opens up and does all the stuff I wrote above. If I have the dialog.handleDownload by itself ( in no SwingUtilities method ), it freezes until the operation is finished. If I add it in a invokeLater it's closed very fast ( I can't see anything, and the operation is not finished ). If I add it in a invokeAndWait I get the invokeAndWait cannot be called from the event dispatcher thread error. What should I do?

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  • jQuery ajax Data Sent to Controller are Empty only in IE

    - by saman gholami
    This is my jQuery code : $.ajax({ url: "/Ajax/GetConcertTime", type: "POST", cache: false, data: { concertID: concertID.replace("ct", ""), date: selectedDateValue }, success: function (dataFromServer) { //some codes ... }, error: function (a, b, c) { alert(c); } }); And this is my controller code for catching parameters : [HttpPost] public ActionResult GetConcertTime(string concertId, string date) { int cid = Convert.ToInt32(concertId); try { MelliConcertEntities db = new MelliConcertEntities(); var lst = (from x in db.Showtimes where x.Concert.ID == cid && x.ShowtimeDate.Equals(date) && x.IsActive == true select x.ShowtimeTime).Distinct().ToList(); JavaScriptSerializer js = new JavaScriptSerializer(); return Content(js.Serialize(lst)); } catch (Exception ex) { return Content(ex.Message); } } After debugging i know the parameters in Controller (concertId and date) are empty when i useing IE browser.but in other browser it's work properly. What should i do for this issue?

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  • Android Read contents of a URL (content missing after in result)

    - by josnidhin
    I have the following code that reads the content of a url public static String DownloadText(String url){ StringBuffer result = new StringBuffer(); try{ URL jsonUrl = new URL(url); InputStreamReader isr = new InputStreamReader(jsonUrl.openStream()); BufferedReader in = new BufferedReader(isr); String inputLine; while ((inputLine = in.readLine()) != null){ result.append(inputLine); } }catch(Exception ex){ result = new StringBuffer("TIMEOUT"); Log.e(Util.AppName, ex.toString()); } in.close(); isr.close(); return result.toString(); } The problem is I am missing content after 4065 characters in the result returned. Can someone help me solve this problem. Note: The url I am trying to read contains a json response so everything is in one line I think thats why I am having some content missing.

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  • iPhone Application crashing upon loading a new Detail View

    - by Jeb Sears
    Hi, My problem is when trying to load a detail view through a table cell, the application constantly crashes. The error that comes up when running through debug is "__TERMINATING_DUE_TO_UNCAUGHT_EXCEPTION___" objc exception thrown. If anyone can help me it would be greatly appreciated. Here is a screenshot for the debug, I am not sure if I am interpreting it right http://img43.imageshack.us/img43/2143/errorud.png Here is my code where I beleive the error is happening: - (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath { NSInteger row = [indexPath row]; if(self.moreDetailView == nil){ DetailViewController *dvController = [[DetailViewController alloc] initWithNibName:@"DetailViewController" bundle:[NSBundle mainBundle]]; self.moreDetailView = dvController; [dvController release]; } else{} moreDetailView.title = [NSString stringWithFormat:@"%@", [listOfItems objectAtIndex:row]]; goHerdv2AppDelegate *delegate = [[UIApplication sharedApplication] delegate]; [delegate.detailView pushViewController:moreDetailView animated:YES];}

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  • Java - jar with librairies included

    - by kozher
    I am currently trying to make a Jar with all my librairies included. What I have done. I have created folders like this : - main folder - class (which contain all my classes) - ressources (containing all my librairies : mongo, jedis...) - MANIFEST.MF My main class is named process. My manifest is like this : Main-Class: processEAN Class-Path: ressources\commons-pool-1.5.6.jar ressources\jedis-2.0.0.jar resources\mongo-2.6.3.jar class - I have generated the JAR with this command : jar cvmf MANIFEST.MF processEAN.jar class/*.class ressources/*.jar My problem : When executing the JAR I have still the message "Exception in thread "main" java.lang.NoClassDefFoundError: processEAN" Any ideas ? Thanks

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  • how to use a wav file in eclipse

    - by AlphaAndOmega
    I've been trying to add audio to a project I've been doing. I found some code on here for html that is also supposed to work with file but it keeps saying "Exception in thread "main" javax.sound.sampled.UnsupportedAudioFileException: could not get audio input stream from input file at javax.sound.sampled.AudioSystem.getAudioInputStream(Unknown Source) at LoopSound.main(LoopSound.java:15)" the code public class LoopSound { public static void main(String[] args) throws Throwable { File file = new File("c:\\Users\\rabidbun\\Pictures\\10177-m-001.wav"); Clip clip = AudioSystem.getClip(); // getAudioInputStream() also accepts a File or InputStream AudioInputStream wav = AudioSystem.getAudioInputStream( file ); clip.open(wav); // loop continuously clip.loop(-1000); SwingUtilities.invokeLater(new Runnable() { public void run() { // A GUI element to prevent the Clip's daemon Thread // from terminating at the end of the main() JOptionPane.showMessageDialog(null, "Close to exit!"); } }); } } What is wrong with the code?

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  • WebClient - The remote server returned an error: (403) Forbidden.

    - by daniel
    Opening a public page from browser works fine. Downloading same page using WebClient throws - (403) Forbidden. What is going on here ? Here is quick copy/paste example (used on console app) to specific page on web: try { WebClient webClient = new WebClient(); string ss = webClient.DownloadString("http://he.wikisource.org/wiki/%D7%A9%D7%95%D7%9C%D7%97%D7%9F_%D7%A2%D7%A8%D7%95%D7%9A_%D7%90%D7%95%D7%A8%D7%97_%D7%97%D7%99%D7%99%D7%9D_%D7%90_%D7%90"); } catch (Exception ex) { throw; }

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  • are shrink-to-fit table cells possible?

    - by Nano8Blazex
    Let's say I have a menu of a prespecified width... I want each menu item to shrink-to-fit with its contents, with the exception of ONE, which then fills up the remaining space in the menu. so like: Fill | item | item | item So far the closest I've come to achieving this effect is by using display:table-cell; in the css code for each menu item. But the problem is unless I define a width for the "item"s, they all expand to take up the same amount of width in the table. Fill | item | item | item | item Is there any way to have the item spaces shrink to fit the item and have the fill just fill up the rest of the div? I might not have asked this very clearly... I'll clarify if needed.

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  • Setup Jetty 7 with JSP engine

    - by Justin
    I've been trying to get Jetty to run my web app via a custom launcher (embedded). I am trying to figure out how to tell Jetty which java compiler to use for JSPs. I want to do what java -jar start.jar -OPTIONS=jsp does, but without using start.jar. Here is what shows on the console: Javac exception, Unable to find a javac compiler; com.sun.tools.javac.Main is not on the classpath. Perhaps JAVA_HOME does not point to the JDK Do I need to put the javac libraries into my classpath?

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