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  • Call an AsyncTask inside a Thread

    - by Arun
    I am working in an android application and I want to call an AsyncTask from my UI main thread. For that I want to call my AsyncTask from a thread. This is the method that I call from my main UI thread. This is working correctly CommonAysnk mobjCommonAysnk = new CommonAysnk(this, 1); mobjCommonAysnk.execute(); CommonAysnk is my AsyncTask class.I want to pass my activity and an integer parameter to the AsyncTask constructor. How can I call this from a thread as shown below method. Thread t = new Thread() { public void run() { try { CommonAysnk mobjCommonAysnk = new CommonAysnk(this, 1); mobjCommonAysnk.execute(); } catch (Exception ex) { }}}; t.start(); When I tried to call it from a Thread and I am not able to pass the activity parameter correctly. How can we sole this. Thanks

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  • Java reflection field value in extends class

    - by Lukasz Wozniczka
    Hello i hava got problem with init value with java reflection. i have got simple class public class A extends B { private String name; } public class B { private String superName; } and also i have got simple function: public void createRandom(Class<T> clazz , List<String> classFields){ try { T object = clazz.newInstance(); for(String s : classFields){ clazz.getDeclaredField(s); } } catch(Exception e){ } } My function do other stuff but i have got problem because i have got error : java.lang.NoSuchFieldException: superName How can i set all class field also field from super Class using reflection ??

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  • List with items returns empty

    - by Power-Mosfet
    I have created a simple List function but if I Loop through the List it's empty. It should not be! All, thank you for the input. problem solved // List function public class process_hook { public static List<string> pro_hook = list_all_processes(); protected static List<string> list_all_processes() { var list = new List<string>(); foreach (Process i in Process.GetProcesses(".")) { try { foreach (ProcessModule pm in i.Modules) { list.Add(pm.FileName); } } catch { } } return list; } } // call private void button1_Click(object sender, EventArgs e) { foreach (String _list in process_hook.pro_hook) { Console.WriteLine(_list); } }

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  • Java SWT - dissolve (fade) from one image to the next.

    - by carillonator
    I'm pretty new to Java and SWT, hoping to have one image dissolve into the next. I have one image now in a Label (relevant code): Device dev = shell.getDisplay(); try { Image photo = new Image(dev, "photo.jpg"); } catch(Exception e) { } Label label = new Label(shell, SWT.IMAGE_JPEG); label.setImage(photo); Now I'd like photo to fade into a different image at a speed that I specify. Is this possible as set up here, or do I need to delve more into the org.eclipse.swt.graphics api? Also, this will be a slide show that may contain hundreds of photos, only ever moving forward (never back to a previous image)---considering this, is there something I explicitly need to do in order to remove the old images from memory? Thanks!!

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  • When debugging in VS 2008 why does the debugger land on a second return statement?

    - by Hellfire
    When debugging the following console program: class Program { static void Main(string[] args) { Console.WriteLine(DoIt(false)); Console.WriteLine(DoIt(true)); } private static Boolean DoIt(Boolean abort) { try { throw new InvalidOperationException(); } catch(Exception ex) { if (abort) { return true; } Console.WriteLine("Got here"); return false; } } } Why does the IDE land on the second return statement during the second call to DoIt()? The results of the execution is correct but the debugging experience is misleading. Is this a known issue? Is the behavior in VS 2010 the same?

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  • [C# n MySQL] Creating a database using Connector/NET Programming?

    - by yeeen
    How to create a database using connector/net programming? How come the following doesn't work? string connStr = "server=localhost;user=root;port=3306;password=mysql;"; MySqlConnection conn = new MySqlConnection(connStr); MySqlCommand cmd; string s0; try { conn.Open(); s0 = "CREATE DATABASE IF NOT EXISTS `hello`;"; cmd = new MySqlCommand(s0, conn); conn.Close(); } catch (Exception e) { Console.WriteLine(e.ToString()); }

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  • Load big XML files to mySQL database (PHP)

    - by Kees
    Hello There, For a new project I need to load big XML files (200MB+) to a mySQL database. There are +- 20 feeds i need to match with that (not all fields are the same). Now when i want to catch the XML I get this error: Fatal error: Allowed memory size of 134217728 bytes exhausted (tried to allocate 171296569 bytes) in E:\UsbWebserver\Root\****\application\libraries\MY_xml.php on line 21 Is there an easy solution for this? It's not possible to get te feed in parts of a few MB's each. Thank you very much! P.s. has somebody an idea to match xml-feeds easy?

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  • jquery $.ajax call succeeds but returns nothing. (jsonp)

    - by Shawn
    $(document).ready(function() { $('#button').click(function() { try { var json = $.ajax({url : 'http://www.example.com/experimental/service.php', type : 'jsonp', success : function() {alert('success')}}); alert(json); } catch(err) { alert(err.description) } var sjson = JSON.stringify(json); $('#display').html(sjson); }) }) After a button is pressed I get an alert message that says "success" and also one that says undefined, referring to the fact that nothing was returned from the ajax call. I checked the firebug 'net' tab and indeed i get a succesful response from the server of "jsonp1272724228884( {} );" Any ideas?

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  • Execute an external application as root - problem

    - by user598011
    Good morning: I'm trying to run an external application that needs to be executed as root. I have to read the lines from exit after the execution of this application but it says "permission denied", as if the its not been done correctly. I've been thinking over a time and I can not move forward. The code is as follows: process = Runtime.getRuntime().exec("su"); String[] command = {external application command}; process = Runtime.getRuntime().exec(comando); InputStream inputStream = process.getInputStream(); BufferedReader bufferedReader = null; try { bufferedReader = new BufferedReader(new InputStreamReader(inputStream),8192); String line = null; while ((line = bufferedReader.readLine()) != null) { System.out.println("read line:"+line ); } } catch (IOException ioe) { ioe.printStackTrace(); } process.waitFor(); Does anyone know why not let me run the command? Thanks.

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

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

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  • Exception handling pattern

    - by treefrog
    It is a common pattern I see where the error codes associated with an exception are stored as Static final ints. when the exception is created to be thrown, it is constructed with one of these codes along with an error message. This results in the method that is going to catch it having to look at the code and then decide on a course of action. The alternative seems to be- declare a class for EVERY exception error case Is there a middle ground ? what is the recommended method ?

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  • Is it bad practice to initialize a variable to a dummy value?

    - by froadie
    This question is a result of the answers to this question that I just asked. It was claimed that this code is "ugly" because it initializes a variable to a value that will never be read: String tempName = null; try{ tempName = buildFileName(); } catch(Exception e){ ... System.exit(1); } FILE_NAME = tempName; Is this indeed bad practice? Should one avoid initializing variables to dummy values that will never actually be used? (EDIT - And what about initializing a String variable to "" before a loop that will concatenate values to the String...? Or is this in a separate category? e.g. String whatever = ""; for(String str : someCollection){ whatever += str; } )

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  • set an input value from jquery function

    - by user1499220
    I'm simply trying to set a value for an input but it doesn't work. Here is my jquery function : function display_form() { try { $('#start_date').val('2012/08/21'); }catch (e){ alert('error'); } window.alert( $('[name=start_date]').val() ); } This shows "undefined". Here is my form : <input id="start_date" name="start_date" type="text" size="6" /> Should I put somewhere the id of the form that I want to use? I just followed what is said in the documentation of jquery but it doesn't seem to work. Could anyone help me ?

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  • Paypal payments verify

    - by user2800899
    (sorry for my english). I have implemented Paypal sdk for android, it works fine! But maybe for my english I don´t understand what i have to do here: @Override protected void onActivityResult (int requestCode, int resultCode, Intent data) { if (resultCode == Activity.RESULT_OK) { PaymentConfirmation confirm = data.getParcelableExtra(PaymentActivity.EXTRA_RESULT_CONFIRMATION); if (confirm != null) { try { Log.i("paymentExample", confirm.toJSONObject().toString(4)); // TODO: send 'confirm' to your server for verification. // see https://developer.paypal.com/webapps/developer/docs/integration/mobile/verify-mobile-payment/ // for more details. } catch (JSONException e) { Toast.makeText(this, "Ha ocurrido un error, inténtelo de nuevo en unos instantes", Toast.LENGTH_LONG).show(); IrActivityAnterior(); } } } I have read about it but I don´t know if I need to send a proof of payment to the person who has bought my app or if I only need to get this proof and save it. And the other question is how can I verify it? What steps I need to follow?? Thank you!!

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  • Windows Service is not Working.

    - by prateeksaluja20
    I had made a windows service in visual studio 2008 in C#.inside the service i had written only single line code try { System.Diagnostics.Process.Start(@"E:\Users\Sk\Desktop\category.txt"); } catch { } then i add the project insatller & change the serviceProcessInstaller1 Account proerty as local system Also change the serviceInstaller1 start type proerty as Automatic. then i build the project.it was succesfull. after that i add another project that was setup project.i had added pprimary project output & i had added the custom action as "Primary output from DemoWindowsService (Active)".then buil the setup.setup was build sucessfully.then i install the setup & then went to services start the service.service stated properly butit was not performing the task. i had checked the path is correct & also i tried to do System.Diagnostics.Process.Start(@"E:\Windows\system32\notepad.exe") but still result is same.i tried alot but not getting the ans soleasse help me to solve this problem.

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  • C++ runtime, display exception message

    - by aaa
    hello. I am using gcc on linux to compile C++ code. There are some exceptions which should not be handled and should close program. However, I would like to be able to display exception string: For example: throw std::runtime_error(" message"); does not display message, only type of error. I would like to display messages as well. Is there way to do it? it is a library, I really do not want to put catch statements and let library user decide. However, right now library user is fortran, which does not allow to handle exceptions. in principle, I can put handlers in wrapper code, but rather not to if there is a way around Thanks

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  • jquery: nested tags and hover() not working in IE

    - by mafka
    hello folks! i have a construction like this: <div id="container"> <span> <span></span> </span> <span> <span></span> </span> </div> i need to catch the mouseout event of the container, so i made jquery do this: $("#container").hover('',function(){ alert("Out"); }); In Firefox / Opera, it only fires the mouseout-function when leaving the div (how I want it). In IE it fires the mouseout-function at every -Tag inside of the div the mouse hits. (maybe important is, that the span tags have also mouseover and out events) Anyone has an idea how to solve this? (The nested structure cant be changed because a complex layout) thx4 any ideas!

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  • Handling out of memory errors in iPhone

    - by hgpc
    I would like to handle out of memory errors in iPhone to execute logic with lesser memory requirements in case I run of of memory. In particular, I would like to do something very similar to the followin pseudo-code: UIImage* image; try { image = [UIImage imageNamed:@"high_quality_image.png"]; } catch (OutOfMemoryException e) { image = [UIImage imageNamed:@"low_quality_image.jpg"]; } First I attempt to load a high-quality image, and if I run out of memory while doing it, then I use a lower quality image. Would this be possible?

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  • What is an appropriate way to programmatically exit an application?

    - by denchr
    I am evaluating user inputs as commands for my application. If the user presses Q, or q, and then hits enter, the application quits and execution terminates. Is there a proper context, or best practices on how to do that? I do not have any resources to release, or anything like that. Should I just use System.exit(0);? Is there a recommended way to do that? As my first approach I do something like this: while (true){ try{ BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); //Other logic goes here... if (br.readLine().equalsIgnoreCase("Q")){ System.exit(0); } } catch (IOException ioe) { System.out.println("IO error trying to read your selection"); } }

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  • Can't add an object using EF and SQL Compact

    - by kamilo
    Hello, I have some very simple SQL Compact database. I would like to use Entity Framework to access the database but for some reason I can't add an object to this database using EF. Here is the code using (pos_inglotEntities posInglotCtx = new pos_inglotEntities()) { posInglotCtx.Connection.Open(); CT_POS_OITM item = new CT_POS_OITM() { ItemCode = "123", ItemName="abc"}; try { posInglotCtx.AddToCT_POS_OITM(item); posInglotCtx.SaveChanges(); } catch (Exception e) { } posInglotCtx.Connection.Close(); } After running this code my database is still empty although if I run it once again I get "duplicate values" exception. But again database is empty. I created this db using PrimeWorks conversion tool from standard sql server database. What is going on? Thanks in advance

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  • An attempt to attach an auto-named database for file failed in Vb.Net

    - by user2454135
    I am Trying to connect database for first time , and I am getting this error : An attempt to attach an auto-named database for file VBTestDB.mdf failed. A database with the same name exists, or specified file cannot be opened, or it is located on UNC share. and getting error on myconnect.Open() Heres my code : Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click Dim myconnect As New SqlClient.SqlConnection myconnect.ConnectionString = "Data Source=.\SQLEXPRESS;AttachDbFilename=VBTestDB.mdf;Integrated Security=True;User Instance=True;" Dim mycommand As SqlClient.SqlCommand = New SqlClient.SqlCommand() mycommand.Connection = myconnect mycommand.CommandText = "INSERT INTO Card (CardNo,Name) VALUES (@cardno,@name)" myconnect.Open() Try mycommand.Parameters.Add("@cardno", SqlDbType.Int).Value = TextBox1.Text mycommand.Parameters.Add("@name", SqlDbType.NVarChar).Value = TextBox2.Text mycommand.ExecuteNonQuery() MsgBox("Success") Catch ex As System.Data.SqlClient.SqlException MsgBox(ex.Message) End Try myconnect.Close() End Sub

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  • dropdownlist format and then convert

    - by dinra
    i need a dropdownlist to show current month and year (January 2010) till January 2011, and an additional record of January 2011 +. But I want to save this in the database as 01/01/2010 format. also if the user selects current month then the record should be getdate() to go in database, else for any other month it should be 02/01/2010 (date = 01, first day of month). how do i do this in aspx.vb .net. i wrote a function to populate the dorpdownlist - Public Sub Load_dates(ByRef DDL As System.Web.UI.WebControls.DropDownList) Try Dim i As Integer Dim j As Integer For i = Now.Year To Now.Year For j = Now.Month To Now.Month + 11 DDL.Items.Add((j.ToString) + " " + (i.ToString)) Next Next Catch ex As Exception ReportError(ex) End Try End Sub this function only shows number like 01 2010 and 02 2010. how can i format this to show january 2010 and february 2010 and so on. please advice

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  • How can I handle this kind of exceptions (in Doctrine)

    - by ppavlovic
    Can you tell me how can I handle this kind of exceptions: Fatal error: Uncaught exception 'Doctrine_Connection_Exception' with message 'PDO Connection Error: SQLSTATE[HY000] [2013] Lost connection to MySQL server at 'reading initial communication packet', system error: 110' in ... It happens when connection with MySQL is lost during query. I need to handle this exception so I can show 500 error page so the crawlers do not cache page, and to redirect user to appropriate "Try again" page. P.S. I have a lot's of code, so I can not go trough all code to put try/catch block. I need something simple and yet effective.

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  • SMS connecting to phone from C# and getting response

    - by I__
    here's my VBA code: Public Sub SendSMS() Dim n As Integer n = FreeFile ' Change the string below if using a different COM port or the port speed Open "COM3:9600,N,8,1" For Output As #n Print #n, "AT" Close #n End Sub i'm trying to connect to my phone that is attached to this computer. i need the solution either in VBA or c# and i need to be able to send a receive SMS with my code and get responses from the phone. how do i catch responses to my AT COMMANDS? in hyperterminal you see responses right away, i want to be able to see them here as well, how do i do it? any takers?

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  • How to avoid lost calls to an external JS file before loading it.

    - by David
    Hi, My issue is that multiple websites are going to include my JS file and when calling something like this: <script src="..."></script> hello.say("yay"); there going to be a race issue so sometimes it could make it sometimes not. i know that i can solve that easily by putting every function in a window.onload but that wouldn't be clean as i've seen other websites magically solve that like google analytics: .. Calling google analytics JS.. <script type="text/javascript"> try{ var pageTracker = _gat._getTracker("UA-xxxxxx-x"); <-- this an object ! pageTracker._trackPageview(); } catch(err) {} </script> How to do that?

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