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  • PyQt Drag and Drop - Nothing happens

    - by Umang
    Hi, I'm trying to get drop a file onto a Window (I've tried the same thing with a QListWidget without success there too) test.py: #! /usr/bin/python # Test from PyQt4 import QtCore, QtGui import sys from qt_test import Ui_MainWindow class MyForm(QtGui.QMainWindow, Ui_MainWindow): def __init__(self, parent=None): QtGui.QWidget.__init__(self, parent) self.setupUi(self) self.__class__.dragEnterEvent = self.DragEnterEvent self.__class__.dragMoveEvent = self.DragEnterEvent self.__class__.dropEvent = self.drop self.setAcceptDrops(True) print "Initialized" self.show() def DragEnterEvent(self, event): event.accept() def drop(self, event): link=event.mimeData().text() print link def main(): app = QtGui.QApplication(sys.argv) mw = MyForm() sys.exit(app.exec_()) if __name__== "__main__": main() And here's qt_test.py # -*- coding: utf-8 -*- # Form implementation generated from reading ui file 'untitled.ui' # # Created: Thu May 20 12:23:19 2010 # by: PyQt4 UI code generator 4.6 # # WARNING! All changes made in this file will be lost! from PyQt4 import QtCore, QtGui class Ui_MainWindow(object): def setupUi(self, MainWindow): MainWindow.setObjectName("MainWindow") MainWindow.resize(800, 600) MainWindow.setAcceptDrops(True) self.centralwidget = QtGui.QWidget(MainWindow) self.centralwidget.setObjectName("centralwidget") MainWindow.setCentralWidget(self.centralwidget) self.retranslateUi(MainWindow) QtCore.QMetaObject.connectSlotsByName(MainWindow) def retranslateUi(self, MainWindow): MainWindow.setWindowTitle(QtGui.QApplication.translate("MainWindow", "MainWindow", None, QtGui.QApplication.UnicodeUTF8)) I've read this email and I've followed everything said there. I still don't get any output except "Initialized" and the drag doesn't seem to get accepted (both for files from a file manager and plain text dragged from a text editor). Do you know what I'm doing wrong? Thanks!

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  • Javascript onunload form submit isn't submitting data

    - by Kevin
    I currently have form that checks if a user has unsubmitted changes when they leave the page with a function called through the onunload event. Here's the function: function saveOnExit() { var answer = confirm("You are about to leave the page. All unsaved work will be lost. Would you like to save now?"); if (answer) { document.main_form.submit(); } } And here's the form: <body onunload="saveOnExit()"> <form name="main_form" id="main_form" method="post" action="submit.php" onsubmit="saveScroll()"> <textarea name="comments"></textarea> <input type="submit" name="submit2" value="Submit!"/> </form> I'm not sure what I'm doing wrong here. The data gets submitted and saved in my database if I just press the submit button for the form. However, trying to submit the form through the onunload event doesn't result in anything being stored, from what I can tell. I've tried adding onclick alerts to the submitt button and onsubmit alerts to the form elements and I can verify that the submit button is being triggered and that the form does get submitted. However, nothing gets passed stored in the database. Any ideas as to what I'm doing wrong? Thanks.

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  • Ajax UpdatePanels scroll on partial page update.

    - by George
    I set the AutoPostback property of a textbox to True so I can process the TextChanged event on the server and, based on what they typed in the textbox, appropriately display a message in an update panel. The problem is, when the partial screen refresh is performed, no control on the screen has focus. 99% of the time, when the text in the textbox is changed, it is because the user has tabbed forward, and so, to limit the disruption in the lost of focus, I perform a "Focus" call on teh next control in the tab sequence. For the most part, this works OK, but of course, is disputive if the user is tabbing in the reverse order or has used the mouse to set the focus to another control. In these situations, the focus would be set to the next control even though the user was trying to set focus elsewhere. OK, that sucks. Now what I consider the bigger problem with calling the focus method on the server: In IE, it works OK, but in Mozilla Firefox and Chrome, setting the focus causes a repositioning of the scroll bar, even though none is necessary because the control is already in view. I realize that I could switch to doing AJAX web service calls, but these darn Updae Panels are so convenient if used in moderation. is there anyway to use updatepanels and not have these focus/scroll issues?

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  • Using authsmtp from a Grails server

    - by Simon
    This is quite a specific question, and I have had no luck on the grails nabble forum, so I thought I would post here. I am using the grails mail plug-in, but I think my question is a general one about using authsmtp as an email gateway from my server. I am having trouble sending mail from my app using authsmtp. I have installed and configured the mail plugin and was originally using my ISP's SMTP server to send mails. However when I deployed to AWS EC2 this failed because my elastic IP was blocked by the SMTP host. So I bought myself an authsmtp account and set up my server email address as an accepted one at authsmtp. I then changed my configuration in SecurityConfig.groovy to point to the authsmtp server that I had been designated... mailHost = "mail.authsmtp.com" mailUsername = "myusername" mailPassword = "mypassword" mailProtocol = "smtp" mailFrom = "[email protected]" mailPort = 2525 ...and I'm just trying to get this to work locally before I deploy back up to AWS. Sending mail fails and in my log I have this exception: 2010-02-13 10:59:44,218 [http-8080-1] ERROR service.EmailerService - Failed to send emails: Failed messages: com.sun.mail.smtp.SMTPSendFailedException: 513 5.0.0 Your email system must authenticate before sending mail. org.springframework.mail.MailSendException; nested exception details (1) are: Failed message 1: com.sun.mail.smtp.SMTPSendFailedException: 513 5.0.0 Your email system must authenticate before sending mail. at com.sun.mail.smtp.SMTPTransport.issueSendCommand(SMTPTransport.java:1388) at com.sun.mail.smtp.SMTPTransport.mailFrom(SMTPTransport.java:959) at com.sun.mail.smtp.SMTPTransport.sendMessage(SMTPTransport.java:583) I'm a bit lost since the username and password I provide in the configuration are definitely correct. A terse and not very helpful conversation with authsmtp support suggests that I need to MD5 and/or base64 encode my credentials before sending, so my question is in three parts... 1) any idea what's going on with the failure and why that message is appearing? 2) how would I encode the credentials to pass to authsmtp and how would I configure that for the mail plugin 3) has anyone successfully connected and sent mail through authsmtp from the mail plugin and specifically from AWS EC2?

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  • At what line in the following code should I be commiting my UnitOfWork ?

    - by Pure.Krome
    Hi folks, I have the following code which is in a transaction. I'm not sure where/when i should be commiting my unit of work. If someone knows where, can they please explain WHY they have said, where? (i'm trying to understand the pattern through example(s), as opposed to just getting my code to work). Here's what i've got :- using (TransactionScope transactionScope = new TransactionScope(TransactionScopeOption.RequiresNew, new TransactionOptions { IsolationLevel = IsolationLevel.ReadUncommitted })) { _logEntryRepository.InsertOrUpdate(logEntry); //_unitOfWork.Commit(); // Here, commit #1 ? // Now, if this log entry was a NewConnection or an LostConnection, then we need to make sure we update the ConnectedClients. if (logEntry.EventType == EventType.NewConnection) { _connectedClientRepository.Insert(new ConnectedClient { LogEntryId = logEntry.LogEntryId }); //_unitOfWork.Commit(); // Here, commit #2 ? } // A (PB) BanKick does _NOT_ register a lost connection .. so we need to make sure we handle those scenario's as a LostConnection. if (logEntry.EventType == EventType.LostConnection || logEntry.EventType == EventType.BanKick) { _connectedClientRepository.Delete(logEntry.ClientName, logEntry.ClientIpAndPort); //_unitOfWork.Commit(); // Here, commit #3 ? } _unitOfWork.Commit(); // Here, commit #4 ? transactionScope.Complete(); } Cheers :)

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  • Grails XOM linkageerror - SAXParserException

    - by Stefan Kendall
    Possibly related: http://stackoverflow.com/questions/2762439/grails-attempting-to-include-htppbuilder-linkage-error I'm trying to include XOM in my grails project. How do I know which dependency library I need to exclude? I'm lost here. dependencies { build('xom:xom:1.1') { excludes "xml-apis" } } Error: java.lang.LinkageError: loader constraint violation: loader (instance of <bootloader>) previously initiated loading for a different type with name "org/xml/sax/SAXParseException" at java.lang.Class.getDeclaredMethods0(Native Method) at java.lang.Class.privateGetDeclaredMethods(Class.java:2427) at java.lang.Class.getDeclaredMethods(Class.java:1791) at java.security.AccessController.doPrivileged(Native Method) at org.codehaus.groovy.util.LazyReference.getLocked(LazyReference.java:33) at org.codehaus.groovy.util.LazyReference.get(LazyReference.java:20) at grails.util.PluginBuildSettings.getPluginInfos(PluginBuildSettings.groovy:124) at grails.util.PluginBuildSettings.getPluginInfos(PluginBuildSettings.groovy) at grails.util.PluginBuildSettings$getPluginInfos.callCurrent(Unknown Source) at grails.util.PluginBuildSettings.getPluginInfo(PluginBuildSettings.groovy:160) at grails.util.PluginBuildSettings$getPluginInfo.callCurrent(Unknown Source) at grails.util.PluginBuildSettings.getPluginInfoForSource(PluginBuildSettings.groovy:195) at org.codehaus.groovy.transform.ASTTransformationVisitor$3.call(ASTTransformationVisitor.java:303) at org.codehaus.groovy.control.CompilationUnit.applyToSourceUnits(CompilationUnit.java:820) at org.codehaus.groovy.control.CompilationUnit.doPhaseOperation(CompilationUnit.java:513) at org.codehaus.groovy.control.CompilationUnit.processPhaseOperations(CompilationUnit.java:489) at org.codehaus.groovy.control.CompilationUnit.compile(CompilationUnit.java:466) at _GrailsEvents_groovy.run(_GrailsEvents_groovy:54) at _GrailsEvents_groovy$run.call(Unknown Source) at _GrailsArgParsing_groovy$run.call(Unknown Source) at _GrailsArgParsing_groovy.run(_GrailsArgParsing_groovy:29) at _GrailsArgParsing_groovy$run.call(Unknown Source) at _GrailsInit_groovy$run.call(Unknown Source) at _GrailsInit_groovy.run(_GrailsInit_groovy:38) at _GrailsInit_groovy$run.call(Unknown Source) at Help_.run(Help_.groovy:27) at Help_$run.call(Unknown Source) at gant.Gant.processTargets(Gant.groovy:494) at gant.Gant.processTargets(Gant.groovy:480)

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  • How to TDD Asynchronous Events?

    - by Padu Merloti
    The fundamental question is how do I create a unit test that needs to call a method, wait for an event to happen on the tested class and then call another method (the one that we actually want to test)? Here's the scenario if you have time to read further: I'm developing an application that has to control a piece of hardware. In order to avoid dependency from hardware availability, when I create my object I specify that we are running in test mode. When that happens, the class that is being tested creates the appropriate driver hierarchy (in this case a thin mock layer of hardware drivers). Imagine that the class in question is an Elevator and I want to test the method that gives me the floor number that the elevator is. Here is how my fictitious test looks like right now: [TestMethod] public void TestGetCurrentFloor() { var elevator = new Elevator(Elevator.Environment.Offline); elevator.ElevatorArrivedOnFloor += TestElevatorArrived; elevator.GoToFloor(5); //Here's where I'm getting lost... I could block //until TestElevatorArrived gives me a signal, but //I'm not sure it's the best way int floor = elevator.GetCurrentFloor(); Assert.AreEqual(floor, 5); } Edit: Thanks for all the answers. This is how I ended up implementing it: [TestMethod] public void TestGetCurrentFloor() { var elevator = new Elevator(Elevator.Environment.Offline); elevator.ElevatorArrivedOnFloor += (s, e) => { Monitor.Pulse(this); }; lock (this) { elevator.GoToFloor(5); if (!Monitor.Wait(this, Timeout)) Assert.Fail("Elevator did not reach destination in time"); int floor = elevator.GetCurrentFloor(); Assert.AreEqual(floor, 5); } }

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  • Help needed in grokking password hashes and salts

    - by javafueled
    I've read a number of SO questions on this topic, but grokking the applied practice of storing a salted hash of a password eludes me. Let's start with some ground rules: a password, "foobar12" (we are not discussing the strength of the password). a language, Java 1.6 for this discussion a database, postgreSQL, MySQL, SQL Server, Oracle Several options are available to storing the password, but I want to think about one (1): Store the password hashed with random salt in the DB, one column Found on SO and elsewhere is the automatic fail of plaintext, MD5/SHA1, and dual-columns. The latter have pros and cons MD5/SHA1 is simple. MessageDigest in Java provides MD5, SHA1 (through SHA512 in modern implementations, certainly 1.6). Additionally, most RDBMSs listed provide methods for MD5 encryption functions on inserts, updates, etc. The problems become evident once one groks "rainbow tables" and MD5 collisions (and I've grokked these concepts). Dual-column solutions rest on the idea that the salt does not need to be secret (grok it). However, a second column introduces a complexity that might not be a luxury if you have a legacy system with one (1) column for the password and the cost of updating the table and the code could be too high. But it is storing the password hashed with a random salt in single DB column that I need to understand better, with practical application. I like this solution for a couple of reasons: a salt is expected and considers legacy boundaries. Here's where I get lost: if the salt is random and hashed with the password, how can the system ever match the password? I have theory on this, and as I type I might be grokking the concept: Given a random salt of 128 bytes and a password of 8 bytes ('foobar12'), it could be programmatically possible to remove the part of the hash that was the salt, by hashing a random 128 byte salt and getting the substring of the original hash that is the hashed password. Then re hashing to match using the hash algorithm...??? So... any takers on helping. :) Am I close?

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  • Flipping View transition becomes clunky when using UIPickerViews with a large number of elements

    - by user302246
    I have a very simple app created with the Utility Application project template on XCode. My MainView has two UIPickerView components and two buttons. The FlipSideView has another UIPickerView. The pickers on the main view each have 4 segments and each segment has 8 rows. The picker on the flip side has just 1 segment with 8 rows. All rows on all pickers are just text. With just this setup, pressing the button to flip the view back and forth displays a noticeable delay before the animation actually starts, and then the animation actually seems to go faster than what it should, like it's trying to make up for the lost time. I removed the pickers in interface builder and loaded the app on the phone and the animation now seems natural. I also tried just one picker (the flipside one) and things still seem normal. So my current theory is that the number of objects involved in the main view is the cause. The thing is that I don't think it's that many (4 x 8 x 2 = 64), but I could be completely wrong. This is pretty much my first app so maybe I'm just doing something grossly wrong, or maybe the phone is has a lot more limited processing than I thought. I am thinking of creating the picker views with pickerView:viewForRow:forComponent:reusingView: to see if this hopefully performs better, but I'm not sure if this is just a waste of time. Any suggestions? Thanks Ruy P.S.: Testing on a 3G phone on 3.1.2

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  • use exec for dsadd

    - by Daryl Gill
    I'm Programming on a Windows Server 2008 and I wish to have a WebUI to interact with the domains active directory. One of my main problems is this that i'm using dsadd from a HTML form but this is no succeeding. I know my command is correct, I have tested it out on the Servers Command line My Code is As Below: if (isset($_POST['Submit'])) { $DesiredUsername = $_POST['DesiredUsername']; $DesiredPassword = $_POST['DesiredPassword']; $DU = "{$DesiredUsername}"; // Desired Username $OU = "PHPCreatedUsers"; // Domain OU $DC1 = "slayerserv"; // Domain Part one $DC2 = "local"; // Domain Part Two $PWD = "{$DesiredPassword}"; // Password $ExecScript = 'dsadd user cn=$DesiredUsername,cn=PHPCreatedUsers,dc=slayerserv,dc=local -disabled no -pwd $DesiredPassword -mustchpwd yes'; exec($ExecScript, $output); mysql_query("INSERT INTO addedusers (`ID`, `DU`, `OU`, `DC1`, `DC2, `PWD`) VALUES ('', '$DU', '$OU', '$DC1', '$DC2', '$PWD')"); echo "<br><br>"; print_r($output); # echo "User: $DesiredUsername Has been Created"; } When I print_r($output); it Returns a blank array: Array ( ) Could anyone provide me with a solution or point me in the right direction? ++++ Below is a working example of my usage of exec $Script = 'ping 127.0.0.1 -n 1'; exec($Script, $Output); print_r($Output); print_r($Output); Gives: Array ( [0] = [1] = Pinging 127.0.0.1 with 32 bytes of data: [2] = Reply from 127.0.0.1: bytes=32 time<1ms TTL=128 [3] = [4] = Ping statistics for 127.0.0.1: [5] = Packets: Sent = 1, Received = 1, Lost = 0 (0% loss), [6] = Approximate round trip times in milli-seconds: [7] = Minimum = 0ms, Maximum = 0ms, Average = 0ms )

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  • calling .ajax() from an eventHandler c# asp.ent

    - by ibininja
    Good day...! In the code behind (upload.aspx) I have an event that returns the number of bytes being streamed; and as I debug it, it works fine. I wanted to reflect the numbers returned from the eventHandler on a progress bar and this is where I got lost. I tried using jQuery's .ajax() function. this is how I implemented it: In the EventHandler in my code behind I added this code to call the .ajax() function: Page.ClientScript.RegisterStartupScript(this.GetType(), "UpdateProgress", "<script type='text/javascript'>updateProgress();</script>"); My plan is whenever the eventHandler function changes the values of bytes being streamed it calls the javascript function "updateProgress()" The .ajax() function "UpdateProgress()" is as: function updateProgress() { $.ajax({ type: "POST", url: "upload.aspx/GetData", data: "{}", contentType: "application/json; charset=utf-8", dataType: "json", async: true, success: function (msg) { $("#progressbar").progressbar("option", "value", msg.d); } }); } I made sure that the function GetData() is [System.Web.Services.WebMethod] and that it is static as well. so the workflow of what I am trying to implement is as: - Click On Upload button - The Behind code starts executing and EventHandler triggers - The EventHandler calls .ajax() function - The .ajax() function retrieves the bytes being streamed and updates progress bar. When I ran the code; all runs well except that the .ajax() is only executed when upload is finished (and progress bar also updates only when finished upload); even though I call .ajax() function every time in the eventHandler function as reflected above... What am I doing wrong? Am I thinking of this right? is there anything else I should add maybe an updatePanel or something? thank you

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  • Bugzilla Install question - I'm stuck

    - by Nabeel
    I run Bugzilla's checksetup.pl (migrating an older version), and it always returns: Reading ./localconfig... Checking for DBD-mysql (v4.00) ok: found v4.005 Had to create DBD::mysql::dr::imp_data_size unexpectedly at /usr/lib64/perl5/site_perl/5.8.8/x86_64-linux-thread-multi/DBI.pm line 1229, <DATA> line 225. Use of uninitialized value in subroutine entry at /usr/lib64/perl5/site_perl/5.8.8/x86_64-linux-thread-multi/DBI.pm line 1229, <DATA> line 225. Had to create DBD::mysql::db::imp_data_size unexpectedly at /usr/lib64/perl5/site_perl/5.8.8/x86_64-linux-thread-multi/DBI.pm line 1259, <DATA> line 225. Use of uninitialized value in subroutine entry at /usr/lib64/perl5/site_perl/5.8.8/x86_64-linux-thread-multi/DBI.pm line 1259, <DATA> line 225. There was an error connecting to MySQL: Undefined subroutine &DBD::mysql::db::_login called at /usr/lib64/perl5/site_perl/5.8.8/x86_64-linux-thread-multi/DBD/mysql.pm line 142, <DATA> line 225. MySQL Version: [root@bugzilla-core TMP]# mysql --version mysql Ver 14.12 Distrib 5.0.60sp1, for redhat-linux-gnu (x86_64) using readline 5.1 And mysql_config: [root@bugzilla-core TMP]# mysql_config Usage: /data01/mysql-5.0.60/bin/mysql_config [OPTIONS] Options: --cflags [-I/data01/mysql-5.0.60/include -g] --include [-I/data01/mysql-5.0.60/include] --libs [-rdynamic -L/data01/mysql-5.0.60/lib -lmysqlclient -lz -lcrypt -lnsl -lm -lmygcc] --libs_r [-rdynamic -L/data01/mysql-5.0.60/lib -lmysqlclient_r -lz -lpthread -lcrypt -lnsl -lm -lpthread -lmygcc] --socket [/tmp/mysql.sock] --port [0] --version [5.0.60sp1] --libmysqld-libs [-rdynamic -L/data01/mysql-5.0.60/lib -lmysqld -lz -lpthread -lcrypt -lnsl -lm -lpthread -lrt -lmygcc] Now, I've tried the latest version of DBD-mysql (4.0.14). I'm completely lost and stumped. I'm not sure where to go from here. Scouring the 'webs haven't returned anything fruitful. Any ideas?

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  • Define a swig interface file for generation of wrapper to every type from some header file

    - by Dmitriy Matveev
    Hi! We're using some C library in our Java project. Several years ago some other developer which has retired few years ago (as always) has created all the wrappers for us. The wrappers were generated by the swig, but the interface file is lost now. The basic idea of library and the wrappers for it is following: There only one function which returns pointer to some complex object. And there are wrapper for that function. The complex object is a tree-like structure with dozens of node kinds and types (C structures) used to represent them. There are hundreds of wrappers for every field of every type and we're trying to use them all. The library was updated some time ago and now there are some new data we unaware of which yet, but would like to use. This data is contained in some of the objects indirectly contained or referenced from the object created by the function we call (Some new fields and types were added). I know that I shouldn't make any changes to the wrappers by hand and should rather modify the interface, but as I already wrote it's missing. For now I only want to generate wrappers some few types which are added/changed and them to our old wrappers, but later I want to start creation of interface file which will define "what and how should be wrapped". All the definitions necessary for us are defined in single header file. Is it possible to tell swig to generate wrappers for every type in this header? If so, how can I write such interface file?

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  • Capture data read from file into string stream Java

    - by halluc1nati0n
    I'm coming from a C++ background, so be kind on my n00bish queries... I'd like to read data from an input file and store it in a stringstream. I can accomplish this in an easy way in C++ using stringstreams. I'm a bit lost trying to do the same in Java. Following is a crude code/way I've developed where I'm storing the data read line-by-line in a string array. I need to use a string stream to capture my data into (rather than use a string array).. Any help? char dataCharArray[] = new char[2]; int marker=0; String inputLine; String temp_to_write_data[] = new String[100]; // Now, read from output_x into stringstream FileInputStream fstream = new FileInputStream("output_" + dataCharArray[0]); // Convert our input stream to a BufferedReader BufferedReader in = new BufferedReader (new InputStreamReader(fstream)); // Continue to read lines while there are still some left to read while ((inputLine = in.readLine()) != null ) { // Print file line to screen // System.out.println (inputLine); temp_to_write_data[marker] = inputLine; marker++; }

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  • Dependency between operations in scala actors

    - by paradigmatic
    I am trying to parallelise a code using scala actors. That is my first real code with actors, but I have some experience with Java Mulithreading and MPI in C. However I am completely lost. The workflow I want to realise is a circular pipeline and can be described as the following: Each worker actor has a reference to another one, thus forming a circle There is a coordinator actor which can trigger a computation by sending a StartWork() message When a worker receives a StartWork() message, it process some stuff locally and sends DoWork(...) message to its neighbour in the circle. The neighbours do some other stuff and sends in turn a DoWork(...) message to its own neighbour. This continues until the initial worker receives a DoWork() message. The coordinator can send a GetResult() message to the initial worker and wait for a reply. The point is that the coordinator should only receive a result when data is ready. How can a worker wait that the job returned to it before answering the GetResult() message ? To speed up computation, any worker can receive a StartWork() at any time. Here is my first try pseudo-implementation of the worker: class Worker( neighbor: Worker, numWorkers: Int ) { var ready = Foo() def act() { case StartWork() => { val someData = doStuff() neighbor ! DoWork( someData, numWorkers-1 ) } case DoWork( resultData, remaining ) => if( remaining == 0 ) { ready = resultData } else { val someOtherData = doOtherStuff( resultData ) neighbor ! DoWork( someOtherData, remaining-1 ) } case GetResult() => reply( ready ) } } On the coordinator side: worker ! StartWork() val result = worker !? GetResult() // should wait

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  • jQuery Character Counter Inside Newly Created Tooltip

    - by Dodinas
    Hello all, I'm having a difficult time figuring this one out. I'm attempting to have a user open a tooltip (using jQuery qTip). What this does is create a "new" tooltip element on the page; it takes it from an existing hidden HTML div on the webpage. Once this new tooltip is created, it has a character counter that is supposed to dynamically update as the user types in the textbox (which is inside the tooltip). The "Max Length Character Counter" script can be found here. However, the "counter" portion is not working inside the newly created tooltip. Any ideas how I can bind this max length character counter to the tooltip? Here's what I'm working with so far: function load_qtip(apply_qtip_to) { $(apply_qtip_to).each(function(){ $(this).qtip({ content: $(".tooltip-contents"), //this is a DIV in the HTML show: 'click', hide: 'unfocus' }); }); } $(document).ready(function() { load_qtip(".tooltip"); $('.my_textbox').maxlength({ 'feedback' : '.my_counter' }); }); And here's what the HTML basically looks like (remember, though, this entire div is "replicated" into a new tooltip): <div class="tooltip_contents"> <form> <div class="my_counter" id="counter">55</div> <textarea class="my_textbox" maxlength="55" id="textbox"></textarea> <input type="button" value="Submit"> </form> </div> Any direction/suggestions on this would be great, as I am completely lost. Thanks very much!

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  • How can I do rapid application development with ASP.NET MVC?

    - by Erik Forbes
    I've been given a short amount of time (~80 hours to start with) to replace an existing Access database with a full-blown SQL + Web system, and I'm enumerating my options. I would like to use ASP.NET MVC, but I'm unsure of how to use it effectively with my short timetable. For the database backend I'll be using Linq to SQL as it's a product I already know and can get something working with it quickly. Does anyone have any experience with using ASP.NET MVC in this way and can share some insight? Edit: The reason I've been interested in ASP.NET MVC is because I know (100% confirmed) that there will be more work to do after this first round, and I'd like my maintenance work to be as easy as possible. In my experience Webforms applications tend to break down over repeated maintenance, despite discipline. Maybe there's a middle ground? How difficult would it to be for me to, say, build the app with Webforms, then migrate it to MVC later when I have more time budgeted to the project? Edit 2: Further background: the Access application I'm replacing is used in some capacity by everyone in the building, and since it was upgraded from Access 98 to 2003 it's been crashing daily, causing hours of lost productivity as people have to re-enter data since the last backup. This is the reason for the short amount of time - this is a critical business function, and they can't afford to keep re-entering data on a daily basis.

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  • Automatic .NET code, nhibernate session, and LINQ datacontext clean-up?

    - by AverageJoe719
    Hi all, in my goal to adopt better coding practices I have a few questions in general about automatic handling of code. I have heard different answers both from online and talking with other developers/programmers at my work. I am not sure if I should have split them into 3 questions, but they all seem sort of related: 1) How does .NET handle instances of classes and other code things that take up memory? I recently found out about using the factory pattern for certain things like service classes so that they are only instantiated once in the entire application, but then I was told that '.NET handles a lot of that stuff automatically when mentioning it.' 2) How does Nhibernate's session handle automatic clean-up of un-used things? I've seen some say that it is great at handling things automatically and you should just use a session factory and that's it, no need to close it. But I have also read and seem many examples where people close the hibernate session. 3) How does LINQ's datacontext handle this? Most of the time I never .disposed my datacontext's and the app didn't see to take a performance hit (though I am not running anything super intensively), but it seems like most people recommend disposing of your datacontext after you are done with it. However, I have seen many many code examples where the dispose method is never called. Also in general I found it kind of annoying that you couldn't access even one-deep child related objects after disposing of the datacontext unless you explicity also grabbed them in the query. Thanks all. I am loving this site so far, I kind of get lost and spend hours just reading things on here. =)

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  • Misalignement in the output Bitmap created from a byte array

    - by Daniel
    I am trying to understand why I have troubles creating a Bitmap from a byte array. I post this after a careful scrutiny of the existing posts about Bitmap creation from byte arrays, like the followings: Creating a bitmap from a byte[], Working with Image and Bitmap in c#?, C#: Bitmap Creation using bytes array My code is aimed to execute a filter on a digital image 8bppIndexed writing the pixel value on a byte [] buffer to be converted again (after some processing to manage gray levels) in a 8BppIndexed Bitmap My input image is a trivial image created by means of specific perl code: https://www.box.com/shared/zqt46c4pcvmxhc92i7ct Of course, after executing the filter the output image has lost the first and last rows and the first and last columns, due to the way the filter manage borders, so from the original 256 x 256 image i get a 254 x 254 image. Just to stay focused on the issue I have commented the code responsible for executing the filter so that the operation really performed is an obvious: ComputedPixel = InputImage.GetPixel(myColumn, myRow).R; I know, i should use lock and unlock but I prefer one headache one by one. Anyway this code should be a sort of identity transform, and at last i use: private unsafe void FillOutputImage() { OutputImage = new Bitmap (OutputImageCols, OutputImageRows , PixelFormat .Format8bppIndexed); ColorPalette ncp = OutputImage.Palette; for (int i = 0; i < 256; i++) ncp.Entries[i] = Color .FromArgb(255, i, i, i); OutputImage.Palette = ncp; Rectangle area = new Rectangle(0, 0, OutputImageCols, OutputImageRows); var data = OutputImage.LockBits(area, ImageLockMode.WriteOnly, OutputImage.PixelFormat); Marshal .Copy (byteBuffer, 0, data.Scan0, byteBuffer.Length); OutputImage.UnlockBits(data); } The output image I get is the following: https://www.box.com/shared/p6tubyi6dsf7cyregg9e It is quite clear that I am losing a pixel per row, but i cannot understand why: I have carefully controlled all the parameters: OutputImageCols, OutputImageRows and the byte [] byteBuffer length and content even writing known values as way to test. The code is nearly identical to other code posted in stackOverflow and elsewhere. Someone maybe could help to identify where the problem is? Thanks a lot

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  • Can I have two separate projects, 1 WebForms and 1 ASP.NET MVC, to both point to the same domain?

    - by Hamman359
    Is it possible to setup two separate projects, 1 WebForms and 1 ASP.NET MVC, to both point to the same domain? i.e. both point to different pages within www.somesite.com. Here's some background on the application and why I'm asking. This is a brownfield application that is currently 2.0 WebForms and is full of WebFormy 'goodness' (i.e. ObjectDataSources, FormView controls, UpdatePanels, etc...) There are lost of other 'fun' things in the code base like 600+ Stored Procedures and 200+ line methods in the business layer code that get data from the DB via stored proc, do some processing on the data, build an HTML string using string concatenation and then return that string to the UI layer. What we are planning on doing is developing new features in MVC and slowly converting the existing features over to MVC one at a time. As part of this transition, we will also be re-writing the layers below the UI to clean up the mess there and to do things like replace the stored procedures with NHibernate and introduce an IOC container. I know that you can run WebForms and MVC side-by-side in the same project, however, because we will be making wholesale changes to the way we do many things throughout our entire development stack, I'd like the new stuff to be a completely separate project within the solution. This should help serve as very visual reminder that this is a different way of doing things than before and make it easier to remove the old code as it is no longer needed. What I don't know is, is this even possible? Can two separate project point to the same domain? Here's an quick example of what I'm thinking: www.somesite.com/orders.aspx?id=123 (Orders page from existing WebForms project) www.somesite.com/customer/987 (Customer page from new MVC project)

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  • Subsonic, child records, and collections

    - by Dane
    Hi, I've been working with subsonic for a few weeks now, and it is working really well. However, I've just run into an issue with child objects with additional partial properties. Some of it is probably me just not understanding the .Net object lifecycle. I have an object - search. This has a few properties like permissions and stuff, and it links to a child table called search_options. In my Asp.Net app, it loops through these search options and creates controls. Then on postback, it grabs the values and assigns it back to a "value" property on the search_option. This value property is a simple string that's defined in a partial class. I then want to create a method on the search object, called PerformSearch. This then loops through the child search_options, and performs a custom query based on the "value" property. However, even though I assign the "value" property to the child search_option, when I access it later via the search.search_options collection, it is null. I'm guessing that maybe because it's accessing it in two different places, it performs another lazy load from the DB and the value is lost? Is there a way to tell the class that it's already loaded or something? or a way to access it so it's not reloaded from the DB? Code is below (shitty pseudocode, not full version) : ASP.Net page, loading back the values from postback : dim obj_search as search = new subsonic.query.select().......' retrieves the search object for each opt as search_option in obj_search.search_options opt.Value = Ctype(FindControl("search_option_" + opt.search_option_id),Textbox).Text debug.print(opt.Value) ' value is correct next for each opt as search_option in obj_search.search_options debug.print(opt.Value) 'this is nothing next Now, the partial class : public partial class search_option private m_value as string public property Value() as string get return m_value end get set( byval value as string) m_value = value end set end property end class

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  • Passing an ActionScript JPG Byte Array to Javscript (and eventually to PHP)

    - by Gus
    Our web application has a feature which uses Flash (AS3) to take photos using the user's web cam, then passes the resulting byte array to PHP where it is reconstructed and saved on the server. However, we need to be able to take this web application offline, and we have chosen Gears to do so. The user takes the app offline, performs his tasks, then when he's reconnected to the server, we "sync" the data back with our central database. We don't have PHP to interact with Flash anymore, but we still need to allow users to take and save photos. We don't know how to save a JPG that Flash creates in a local database. Our hope was that we could save the byte array, a serialized string, or somehow actually persist the object itself, then pass it back to either PHP or Flash (and then PHP) to recreate the JPG. We have tried: - passing the byte array to Javascript instead of PHP, but javascript doesn't seem to be able to do anything with it (the object seems to be stripped of its methods) - stringifying the byte array in Flash, and then passing it to Javascript, but we always get the same string: ÿØÿà Now we are thinking of serializing the string in Flash, passing it to Javascript, then on the return route, passing that string back to Flash which will then pass it to PHP to be reconstructed as a JPG. (whew). Since no one on our team has extensive Flash background, we're a bit lost. Is serialization the way to go? Is there a more realistic way to do this? Does anyone have any experience with this sort of thing? Perhaps we can build a javascript class that is the same as the byte array class in AS?

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  • Merging sql queries to get different results by date

    - by pedalpete
    I am trying to build a 'recent events' feed and can't seem to get either my query correct, or figure out how to possible merge the results from two queries to sort them by date. One table holds games/, and another table holds the actions of these games/. I am trying to get the recent events to show users 1) the actions taken on games that are publicly visible (published) 2) when a new game is created and published. So, my actions table has actionId, gameid, userid, actiontype, lastupdate My games table has gameid, startDate, createdby, published, lastupdate I currently have a query like this (simplified for easy understanding I hope). SELECT actionId, actions.gameid, userid, actiontype, actions.lastupdate FROM actions JOIN ( SELECT games.gameid, startDate, createdby, published, games.lastupdate FROM games WHERE published=1 AND lastupdate>today-2 ) publishedGames on actions.gameid=games.gameid WHERE actions.type IN (0,4,5,6,7) AND actions.lastupdate>games.lastupdate and published=1 OR games.lastupdate>today-2 AND published=1 This query is looking for actions from published games where the action took place after the game was published. That pretty much takes care of the first thing that needs to be shown. However, I also need to get the results of the SELECT games.gameid, startDate, createdby, published, games.lastupdate FROM games WHERE published=1 AND startDate>today-2 so I can include in the actions list, when a new game has been published. When I run the query as I've got it written, I get all the actionids, and their gameids, but I don't get a row which shows the gameid when it was published. I understand that it may be possible that I need to run two seperate queries, and then somehow merge the results afterword with php, but I'm completely lost on where to start with that as well.

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  • CSS Design question, I've got myself completely turned around.

    - by Matt Dawdy
    Okay, I have a couple of other questions out there, but I think I'd better just ask from the beginning how you CSS experts would do this. Client's page is split into 2 rows -- header has some info, some aligned to left of page, some to right, some in the middle. This is currently done using a table. I'm fine with leaving this alone or changing it. My real question is that I need a page layout to handle the following: 2 columns - column on left is 200px, but can be "close" down to to 10px (not a slider, it's either 200 or 10 px). The column on the right needs to be as big as it needs to be -- which might be larger than the width of the page. When left column is "closed" then the right column slides over of course. Again, this right column might be 300px or it might be 4000 pixels (it's a reporting interface). Now, to add another wrinkle, SOME pages have 3 columns. The first 2 columns are each exactly 200px, and both can be "closed" down to 10 px each. But, the user may not close both columns, maybe just 1. Or none. Or both. The third column needs to act just like I described above, being able to be larger than the page width, and sliding over to take advantage of any of the "closed" left columns. Whew! I'm pretty confused as to how to go about this, as either I get it right but I can't scroll over to the right at all (overflow: hidden) and information is lost, or the right column jumps down below the left 2 columns and just looks plain stupid. My minimum browser requirements are IE8, FF3.5, Chrome and Safari (latest versions of all). Any and all pointers are gladly accepted.

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  • Sql query - selecting top 5 rows and further selecting rows only if User is present

    - by Gublooo
    Hello, I kind of stuck on how to implement this query - this is pretty similar to the query I posted earlier but I'm not able to crack it. I have a shopping table where everytime a user buys anything, a record is inserted. Some of the fields are * shopping_id (primary key) * store_id * user_id Now what I need is to pull only the list of those stores where he's among the top 5 visitors: When I break it down - this is what I want to accomplish: * Find all stores where this UserA has visited * For each of these stores - see who the top 5 visitors are. * Select the store only if UserA is among the top 5 visitors. The corresponding queries would be: select store_id from shopping where user_id = xxx select user_id,count(*) as 'visits' from shopping where store_id in (select store_id from shopping where user_id = xxx) group by user_id order by visits desc limit 5 Now I need to check in this resultset if UserA is present and select that store only if he's present. For example if he has visited a store 5 times - but if there are 5 or more people who have visited that store more than 5 times - then that store should not be selected. So I'm kind of lost here. Thanks for your help

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