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  • slide animation skipped when using updatepanel callback

    - by superexsl
    Hey, I'm trying to use UpdatePanels and JQuery but the panels seem to cancel out the JQuery. I want the user to press the search button, have the system perform the search using AJAX and then display the search results by sliding down the div using JQuery. However, it seems that if there are any delays, (I put the thread to sleep for a second), then the results just appear instead of sliding down. If I remove the sleep thread the sliding animation is fine. I've got the code below to execute the JQuery once the AJAX is loaded: <script type="text/javascript"> var prm = Sys.WebForms.PageRequestManager.getInstance(); prm.add_pageLoaded(showDiv); function showDiv(sender, args){ $("#results_bar").slideDown('slow'); } </script> Any ideas why the animation is skipped if there's a delay? Thanks

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  • Do Scala and Erlang use green threads?

    - by CHAPa
    I've been reading a lot about how Scala and Erlang does lightweight threads and their concurrency model (actors). However, I have my doubts. Do Scala and Erlang use an approach similar to the old thread model used by Java (green threads) ? For example, suppose that there is a machine with 2 cores, so the Scala/Erlang environment will fork one thread per processor? The other threads will be scheduled by user-space (Scala VM / Erlang VM ) environment. Is this correct? Under the hood, how does this really work?

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  • Adding info to an exception

    - by NoozNooz42
    I'd like to add information to a stack trace/exception. Basically I've got something like this as of now, which I really like: Exception in thread "main" java.lang.ArithmeticException: / by zero at com.so.main(SO.java:41) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke However I'd like to catch that exception and add additional info to it, while still having the original stack trace. For example, I'd like to have that: Exception in thread "main" CustomException: / by zero (you tried to divide 42 by 0) at com.so.main(SO.java:41) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke So basically I want to catch the ArithmeticException and rethrow, say, a CustomException (adding "you tried to divide 42 by 0" in this example) while still keeping the stacktrace from the original ArithmeticException. What is the correct way to do this in Java? Is the following correct: try { .... } catch (ArithmeticException e) { throw new CustomException( "You tried to divide " + x + " by " + y, e ); }

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  • Problem with stackless python, cannot write to a dict

    - by ANON
    I have simple map-reduce type algorithm, which I want to implement in python and make use of multiple cores. I read somewhere that threads using native thread module in 2.6 dont make use of multiple cores. is that true? I even implemented it using stackless python however i am getting into weird errors [Update: a quick search showed that the stack less does not allows multiple cores So are their any other alternatives?] def Propagate(start,end): print "running Thread with range: ",start,end def maxVote(nLabels): count = {} maxList = [] maxCount = 0 for nLabel in nLabels: if nLabel in count: count[nLabel] += 1 else: count[nLabel] = 1 #Check if the count is max if count[nLabel] > maxCount: maxCount = count[nLabel]; maxList = [nLabel,] elif count[nLabel]==maxCount: maxList.append(nLabel) return random.choice(maxList) for num in range(start,end): node=MapList[num] nLabels = [Label[k] for k in Adj[node]] if (nLabels!=[]): Label[node] = maxVote(nLabels) else: Label[node]=node However in above code the values assigned to Label, that is the change in dictionary are lost. Above propagate function is used as callable for MicroThreads (i.e. TaskLets)

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  • Nested resources in namespace form_for

    - by Nelson LaQuet
    Problem The form_for helper incorrectly determines the path to my nested resource inside of a namespace. The models in question are: Forum::Thread and Forum::Reply respectively, located in a subfolder called "forum" under my models directory. This is in Rails 3 BETA 3. routes.rb namespace :forum do root :to => 'threads#index' resources :threads do resources :replies end end app/views/forum/replies/_form.html.haml ... - form_for [@thread, @reply] do |f| ... app/controllers/forum/replies_controller.rb ... def new @reply = Forum::Reply.new end ... Error undefined method `forum_thread_forum_replies_path' In reference to the line outlined above in _form.html.haml

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  • Unable to start rabbitmq-server on Ubuntu 12.04

    - by lxyu
    I try to install rabbitmq-server on ubuntu-server 12.04 but failed. Then I add the apt source list following the guide in http://www.rabbitmq.com/install-debian.html But reinstall still have the same error as following: $ sudo aptitude install rabbitmq-server ... Setting up rabbitmq-server (2.8.7-1) ... * Starting message broker rabbitmq-server * FAILED - check /var/log/rabbitmq/startup_\{log, _err\} ...fail! invoke-rc.d: initscript rabbitmq-server, action "start" failed. dpkg: error processing rabbitmq-server (--configure): subprocess installed post-installation script returned error exit status 1 No apport report written because MaxReports is reached already Processing triggers for libc-bin ... ldconfig deferred processing now taking place Errors were encountered while processing: rabbitmq-server E: Sub-process /usr/bin/dpkg returned an error code (1) A package failed to install. Trying to recover: Setting up rabbitmq-server (2.8.7-1) ... * Starting message broker rabbitmq-server * FAILED - check /var/log/rabbitmq/startup_\{log, _err\} ...fail! invoke-rc.d: initscript rabbitmq-server, action "start" failed. dpkg: error processing rabbitmq-server (--configure): subprocess installed post-installation script returned error exit status 1 Errors were encountered while processing: rabbitmq-server And error log seems show nothing useful neither: # startup_err shows this Crash dump was written to: erl_crash.dump Kernel pid terminated (application_controller) ({application_start_failure,kernel,{shutdown,{kernel,start,[normal,[]]}}}) # startup_log shows this {error_logger,{{2012,10,10},{22,31,54}},"Protocol: ~p: register error: ~p~n",["inet_tcp",{{badmatch,{error,epmd_close}},[{inet_tcp_dist,listen,1},{net_kernel,start_protos,4},{net_kernel,start_protos,3},{net_kernel,init_node,2},{net_kernel,init,1},{gen_server,init_it,6},{proc_lib,init_p_do_apply,3}]}]} {error_logger,{{2012,10,10},{22,31,54}},crash_report,[[{initial_call,{net_kernel,init,['Argument__1']}},{pid,<0.20.0>},{registered_name,[]},{error_info,{exit,{error,badarg},[{gen_server,init_it,6},{proc_lib,init_p_do_apply,3}]}},{ancestors,[net_sup,kernel_sup,<0.9.0>]},{messages,[]},{links,[#Port<0.90>,<0.17.0>]},{dictionary,[{longnames,false}]},{trap_exit,true},{status,running},{heap_size,610},{stack_size,24},{reductions,511}],[]]} {error_logger,{{2012,10,10},{22,31,54}},supervisor_report,[{supervisor,{local,net_sup}},{errorContext,start_error},{reason,{'EXIT',nodistribution}},{offender,[{pid,undefined},{name,net_kernel},{mfargs,{net_kernel,start_link,[[rabbitmqprelaunch18417,shortnames]]}},{restart_type,permanent},{shutdown,2000},{child_type,worker}]}]} {error_logger,{{2012,10,10},{22,31,54}},supervisor_report,[{supervisor,{local,kernel_sup}},{errorContext,start_error},{reason,shutdown},{offender,[{pid,undefined},{name,net_sup},{mfargs,{erl_distribution,start_link,[]}},{restart_type,permanent},{shutdown,infinity},{child_type,supervisor}]}]} {error_logger,{{2012,10,10},{22,31,54}},std_info,[{application,kernel},{exited,{shutdown,{kernel,start,[normal,[]]}}},{type,permanent}]} {"Kernel pid terminated",application_controller,"{application_start_failure,kernel,{shutdown,{kernel,start,[normal,[]]}}}"} I have googled for some time but got nothing useful. One solution on the internet is to make sure hostname pingable, but my /etc/hosts already have this line on top: 127.0.0.1 localhost myserver Any suggestion on how to get up rabbitmq-server?

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  • C# CultureInfo NumberFormat NumberDecimalSeparator Problem

    - by Mahdi
    I want to change NumberDecimalSeparator of my application from "." to "/". it works when i show float numbers in my textbox. but integer types are not shown at all. I modify thread's culture to get application-wide formatting. my code is like this: CultureInfo ci = new CultureInfo("fa-IR", true); ci.NumberFormat.DigitSubstitution = DigitShapes.NativeNational; ci.NumberFormat.NumberDecimalSeparator = "/"; Thread.CurrentThread.CurrentCulture = ci; result: 3.14 = "3/14" 100 = "" Any help please ?

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  • Java - SwingWorker - Can we call one SwingWorker from other SwingWorker instead of EDT

    - by Yatendra Goel
    I have a SwingWorker as follows: public class MainWorker extends SwingWorker(Void, MyObject) { : : } I invoked the above Swing Worker from EDT: MainWorker mainWorker = new MainWorker(); mainWorker.execute(); Now, the mainWorker creates 10 instances of a MyTask class so that each instance will run on its own thread so as to complete the work faster. But the problem is I want to update the gui from time to time while the tasks are running. I know that if the task was executed by the mainWorker itself, I could have used publish() and process() methods to update the gui. But as the tasks are executed by threads different from the Swingworker thread, how can I update the gui from intermediate results generated by threads executing tasks.

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  • What is best practice with SQLite and Android ?

    - by PHP_Jedi
    What is considered "best practice" when executing queries on a sql-lite db within an android app. Is it safe to run inserts, deletes and select queries from an AsyncTask's doInBackground ? Or should I use the UI Thread ? I suppose that db queries can be "heavy" and should not use the UI thread as it can lock up the app - resulting in an ANR. If I have several AsyncTasks, should they share a connection or should they open a connection each ? Any best practices in this area on android?

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  • Three20 - add items to launcherView after viewDidLoad

    - by lostInTransit
    Hi I am getting a list of image URLs and corresponding names at run time in my app. I would like to add these images to a TTLauncherView object that I have. Cannot add these in loadView. I am making a call to the method for getting my data in a separate thread. Once the thread completes, I add the TTLauncherItem objects to an array and set the "pages" variable of the LauncherView. But for some reason, the view is not updated and I don't see anything on it. Can someone please let me know how to refresh the launcherview after adding items to it in methods other than loadView? Thanks.

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  • sybase ase 15.0.3 64 bit install error

    - by scot
    Hi , I have a 32bit machine installed with 64 bit suse10 linux. I then tried installing a 64bit sybase on it but the sybase installation fails the moment i launch ./setup with below error: Unhandled error...try running with is:debug system property. the install shield wizard fails to launch.. I tried replacing the JVM folder in sybase installation dump but it doesn't help. how do i use this is:debug property? has any one encountered such an error?

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  • QProcess, QEventLoop - of any use for parallel-processing

    - by dlib
    I wonder whether I could use QEventLoop (QProcess?) to parallelize multiple calls to same function with Qt. What is precisely the difference with QtConcurrent or QThread? What is a process and an event loop more precisely? I read that QCoreApplication must exec() as early as possible in main() method, so that I wonder why it is different from main Thread. could you point as some efficient reference to processes and thread with Qt? I came through the official doc and those things remain unclear. Thanks and regards.

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  • VS2010 + Resharper 5 performance issues

    - by Jeremy Roberts
    I have been using VS2010 with Resharper 5 for several weeks and am having a performance issue. Sometimes when typing, the cursor will lag and the keystrokes won't show instantaneously. Also, scrolling will lag at times. There is a forum thread started and JetBrains has been responding. Several people (including myself) have added their voice and uploaded some performance profiles. If anyone here has has this issue, I would encourage you to visit the thread and let JetBrains know about it. Has anyone had this problem and have a suggestion to restore performance?

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  • Creating a dynamic (video) Overlay on Google Maps on Android 2.1

    - by Soumya
    I'm trying to create a map overlay for displaying a video stream (MJPEG) on top of a Mapview. Currently I've a standalone activity that creates a data thread for fetching MJPEG video frames. I'm using a handler to send a frame (as a Bitmap) from the data thread to the main activity which then updates the UI. I'm not sure how I can implement "refresh" for updating my "overlayed" video stream. EDIT: What I mean by "refresh" is - how can I update the video portion (not the mapview) of my UI whenever I get a new video frame. I plan to paint the video frame (bitmap) in the "draw method" of my implementation of the Overlay subclass. But the "draw" method is not invoked by me directly. Thanks.

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  • Scala/Erlang use something like greenThread or not ?

    - by CHAPa
    Hi all, Im reading a lot about how scala/Erlang does lightweight threads and your concurrency model ( Actor Model ). Off course, some doubts appear in my head. Scala/Erlang use a approach similar to the old thread model used by java (greenThread) ? for example, suppose that there is a machine with 2 cores, so the scala/erlang environment will fork one thread per processor ? The other threads will be scheduled by user-space( scala VM / erlang vm ) environment. is it correct ? how under the hood that really work ? thanks a lot.

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  • Read vector into CUDA shared memory

    - by Ben
    I am new to CUDA and programming GPUs. I need each thread in my block to use a vector of length ndim. So I thought I might do something like this: extern __shared__ float* smem[]; ... if (threadIddx.x == 0) { for (int d=0; d<ndim; ++d) { smem[d] = vector[d]; } } __syncthreads(); ... This works fine. However, I seems wasteful that a single thread should do all loading, so I changed the code to if (threadIdx.x < ndim) { smem[threadIdx.x] = vector[threadIdx.x]; } __syncthreads(); which does not work. Why? It gives different results than the above code even when ndim << blockDim.x.

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  • how to predict which section have to put in critical section in threading

    - by Lalit Dhake
    Hi , I am using the console application i used multi threading in the same. I just want to know which section have to put inside critical section my code is : .------------------------------------------------------------------------------. public class SendBusReachSMS { public void SchedularEntryPoint() { try { List<ActiveBusAndItsPathInfo> ActiveBusAndItsPathInfoList = BusinessLayer.GetActiveBusAndItsPathInfoList(); if (ActiveBusAndItsPathInfoList != null) { //SMSThreadEntryPoint smsentrypoint = new SMSThreadEntryPoint(); while (true) { foreach (ActiveBusAndItsPathInfo ActiveBusAndItsPathInfoObj in ActiveBusAndItsPathInfoList) { if (ActiveBusAndItsPathInfoObj.isSMSThreadActive == false) { DateTime CurrentTime = System.DateTime.Now; DateTime Bustime = Convert.ToDateTime(ActiveBusAndItsPathInfoObj.busObj.Timing); TimeSpan tsa = Bustime - CurrentTime; if (tsa.TotalMinutes > 0 && tsa.TotalMinutes < 5) { ThreadStart starter = delegate { SMSThreadEntryPointFunction(ActiveBusAndItsPathInfoObj); }; Thread t = new Thread(starter); t.Start(); t.Join(); } } } } } } catch (Exception ex) { Console.WriteLine("==========================================="); Console.WriteLine(ex.Message); Console.WriteLine(ex.InnerException); Console.WriteLine("==========================================="); } } public void SMSThreadEntryPointFunction(ActiveBusAndItsPathInfo objActiveBusAndItsPathInfo) { try { //mutThrd.WaitOne(); String consoleString = "Thread for " + objActiveBusAndItsPathInfo.busObj.Number + "\t" + " on path " + "\t" + objActiveBusAndItsPathInfo.pathObj.PathId; Console.WriteLine(consoleString); TrackingInfo trackingObj = new TrackingInfo(); string strTempBusTime = objActiveBusAndItsPathInfo.busObj.Timing; while (true) { trackingObj = BusinessLayer.get_TrackingInfoForSendingSMS(objActiveBusAndItsPathInfo.busObj.Number); if (trackingObj.latitude != 0.0 && trackingObj.longitude != 0.0) { //calculate distance double distanceOfCurrentToDestination = 4.45; TimeSpan CurrentTime = System.DateTime.Now.TimeOfDay; TimeSpan timeLimit = objActiveBusAndItsPathInfo.sessionInTime - CurrentTime; if ((distanceOfCurrentToDestination <= 5) && (timeLimit.TotalMinutes <= 5)) { Console.WriteLine("Message sent to bus number's parents: " + objActiveBusAndItsPathInfo.busObj.Number); break; } } } // mutThrd.ReleaseMutex(); } catch (Exception ex) { //throw; Console.WriteLine("==========================================="); Console.WriteLine(ex.Message); Console.WriteLine(ex.InnerException); Console.WriteLine("==========================================="); } } } Please help me in multithreading. new topic for me in .net

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  • SQLiteException Unknown error

    - by -providergeoff.bruckner
    Does anyone know what this means? I'm trying to start a transaction in onActivityResult() to insert a row based on the received result. 03-05 15:39:51.937: ERROR/Database(2387): Failure 21 (out of memory) on 0x0 when preparing 'BEGIN EXCLUSIVE;'. 03-05 15:39:51.967: DEBUG/AndroidRuntime(2387): Shutting down VM 03-05 15:39:51.967: WARN/dalvikvm(2387): threadid=3: thread exiting with uncaught exception (group=0x40013140) 03-05 15:39:51.967: ERROR/AndroidRuntime(2387): Uncaught handler: thread main exiting due to uncaught exception 03-05 15:39:52.137: ERROR/AndroidRuntime(2387): java.lang.RuntimeException: Failure delivering result ResultInfo{who=null, request=1, result=-1, data=Intent { (has extras) }} to activity {com.ozdroid/com.ozdroid.load.LoadView}: android.database.sqlite.SQLiteException: unknown error: BEGIN EXCLUSIVE; ... 03-05 15:39:52.137: ERROR/AndroidRuntime(2387): Caused by: android.database.sqlite.SQLiteException: unknown error: BEGIN EXCLUSIVE; ... 03-05 15:39:52.137: ERROR/AndroidRuntime(2387): at android.database.sqlite.SQLiteDatabase.beginTransaction(SQLiteDatabase.java:434)

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  • Deadlock error in INSERT statement

    - by Gnanam
    We've got a web-based application. There is a time-bound database operation (INSERTs and UPDATEs) in the application which takes more time to complete, hence this particular flow has been changed into Java Thread so it will not wait (block) for the complete database operation to be completed. My problem is, if more than 1 user come across this particular flow, I'm facing the following error thrown by PostgreSQL: org.postgresql.util.PSQLException: ERROR: deadlock detected Detail: Process 13560 waits for ShareLock on transaction 3147316424; blocked by process 13566. Process 13566 waits for ShareLock on transaction 3147316408; blocked by process 13560. Above error is consistently thrown in INSERT statements. Additional Information: 1) I have PRIMARY KEY defined in this table. 2) There are FOREIGN KEY references in this table. 3) Separate database connection is passed to each Java Thread. Technologies Web Server: Tomcat v6.0.10 Java v1.6.0 Servlet Database: PostgreSQL v8.2.3 Connection Management: pgpool II

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  • Compiling zip component for PHP 5.2.11 in MAMP PRO

    - by Zlatoroh
    Helo I installed MAMP PRO on my Macbook Pro (10.6) some time ago. Now I would like to use zip functions in php. I found that I must add zip.so to my extension folder and edited php.ini. On my computer I have two different versions of PHP one in MAMP folder and other in user/lib which was pre-installed on my system. Now I wish to compile my zip library for MAMP version. I got zip sources for my version of PHP then in terminal called function /Applications/MAMP/bin/php5/bin/phpize so it uses mamp php version ./configure make then I moved compile zip.so to extensions/no-debug-non-zts-20060613. When MAMP is launched it returns this error: [11-Apr-2010 16:33:27] PHP Warning: PHP Startup: zip: Unable to initialize module Module compiled with module API=20090626, debug=0, thread-safety=0 PHP compiled with module API=20060613, debug=0, thread-safety=0 These options need to match in Unknown on line 0 Can some body explain to me how to do this the right way.

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  • Looking for an application to act as a file bucket / consolidate - with auto tag and duplicate elimi

    - by Notitze
    Is there a windows application that can help with consolidating file libraries (documents, projects, pictures, music) into an archive? I'm looking for: eliminate redundant files by replacing duplicates with links add tags from keywords and date (year) allow an easy dump from multiple external media files (USB sticks, USB drives) Nice to have would be: auto indexing for easy search anything else that makes it easy to find and retrieve a file

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