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• How do I ensure that SOAP requests from a flash client to my ASP server are coming from the flash cl

  - by Gary Benade

  I have a flash based game that has a high score system implemented with a SOAP service. There are prizes involved and I want to prevent someone from using FireBug or similar to discover the webservice path and submit fake scores. I considered using some kind of encryption on the data but am aware that someone could decompile the swf and work out how I did it. I also considered using an IP whitelist but since the incoming data will come from the users IP and not the servers that won't work. (I'm sure I'm missing something obvious here...) I know that there is a tried and tested solution for this, but I don't seem to be asking google the right questions to get to it. Any help and suggestions will be appreciated, thank you

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• Match beginning of words in Mysql for UTF8 strings

  - by ankimal

  Hi, I m trying to match beignning of words in a mysql column that stores strings as varchar. Unfortunately, REGEXP does not seem to work for UTF-8 strings as mentioned here So, select * from names where name REGEXP '[[:<:]]Aandre'; does not work if I have name like Foobar Aándreas However, select * from names where name like '%andre%' matches the row I need but does not guarantee beginning of words matches. Is it better to do the like and filter it out on the application side ? Any other solutions?

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• Detecting syllables in a word

  - by user50705

  I need to find a fairly efficient way to detect syllables in a word. E.g., invisible - in-vi-sib-le There are some syllabification rules that could be used: V CV VC CVC CCV CCCV CVCC *where V is a vowel and C is a consonant. e.g., pronunciation (5 Pro-nun-ci-a-tion; CV-CVC-CV-V-CVC) I've tried few methods, among which were using regex (which helps only if you want to count syllables) or hard coded rule definition (a brute force approach which proves to be very inefficient) and finally using a finite state automata (which did not result with anything useful). The purpose of my application is to create a dictionary of all syllables in a given language. This dictionary will later be used for spell checking applications (using Bayesian classifiers) and text to speech synthesis. I would appreciate if one could give me tips on an alternate way to solve this problem besides my previous approaches. I work in Java, but any tip in C/C++, C#, Python, Perl... would work for me.

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• Notepad++ Associate custom ext for use by ctags

  - by user185420

  Hi, I use .pkb and pkh extensions for PL/SQL files (rather than .sql). I have already associated .pkb and .pkh extension in the langs.xml (Styler Config) so that Notepad++ recognizes the syntax highlight to use when I open pkb and pkh files (the syntax highlighting would be the same as for sql ext). Now the problem is that I cannot use plugins that parse code using ctags (like SourceCookifier, OpenCtag,GtagSearch) because these plugins do not recognize the pkb and pkh extension. THe only way I could use them is to change my file to sql and when done change to the pkh or pkb ext. Is there any config that could make ctags based plugin work with non-sql ext? I tried changing various config for the plugins but did not succeed in making them work. Thanks.

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• GDB question - how do I go through disassembled code line by line?

  - by user324994

  I'd like to go through a binary file my teacher gave me line by line to check addresses on the stack and the contents of different registers, but I'm not extremely familiar with using gdb. Although I have the C code, we're supposed to work entirely from a binary file. Here are the commands I've used so far: (gdb) file SomeCode Which gives me this message: Reading symbols from ../overflow/SomeCode ...(no debugging symbols found)...done. Then I use : (gdb) disas main which gives me all of the assembly. I wanted to set up a break point and use the "next" command, but none of the commands I tried work. Does anyone know the syntax I would use?

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• Fairness: Where can it be better handled?

  - by Srinivas Nayak

  Hi, I would like to share one of my practical experience with multiprogramming here. Yesterday I had written a multiprogram. Modifications to sharable resources were put under critical sections protected by P(mutex) and V(mutex) and those critical section code were put in a common library. The library will be used by concurrent applications (of my own). I had three applications that will use the common code from library and do their stuff independently. my library --------- work_on_shared_resource { P(mutex) get_shared_resource work_with_it V(mutex) } --------- my application ----------- application1 { *[ work_on_shared_resource do_something_else_non_ctitical ] } application2 { *[ work_on_shared_resource do_something_else_non_ctitical ] } application3 { *[ work_on_shared_resource ] } *[...] denote a loop. ------------ I had to run the applications on Linux OS. I had a thought in my mind, hanging over years, that, OS shall schedule all the processes running under him with all fairness. In other words, it will give all the processes, their pie of resource-usage equally well. When first two applications were put to work, they run perfectly well without deadlock. But when the third application started running, always the third one got the resources, but since it is not doing anything in its non-critical region, it gets the shared resource more often when other tasks are doing something else. So the other two applications were found almost totally halted. When the third application got terminated forcefully, the previous two applications resumed their work as before. I think, this is a case of starvation, first two applications had to starve. Now how can we ensure fairness? Now I started believing that OS scheduler is innocent and blind. It depends upon who won the race; he got the largest pie of CPU and resource. Shall we attempt to ensure fairness of resource users in the critical-section code in library? Or shall we leave it up to the applications to ensure fairness by being liberal, not greedy? To my knowledge, adding code to ensure fairness to the common library shall be an overwhelming task. On the other hand, believing on the applications will also never ensure 100% fairness. The application which does a very little task after working with shared resources shall win the race where as the application which does heavy processing after their work with shared resources shall always starve. What is the best practice in this case? Where we ensure fairness and how? Sincerely, Srinivas Nayak

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• jQuery iframe overlay with flash closing issue

  - by Ryan Max

  Hello, I have a site that has a jQuery overlay, which contains an iframe, which pulls in another site that has flash in it. One of the buttons in the flash has editable parameters in xml, and I can change where the link points to. I want this button to close the overlay, but I can't quite figure out how to get it to work. I have tried the following: closeSection(); and parent.closeSection(); and window.parent.closeSection(); None of which work. Though the last two come close. They seem to close the flash, as the iframe just goes blank. Can anyone steer me in the right direction?

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• Implement a generic C++/CLI interface in a C# generic interface

  - by Florent

  I have a C++/CLI generic interface like this : using namespace System::Collections::Generic; namespace Test { generic <class T> public interface class IElementList { property List<T>^ Elements; }; } and I want to implement it in a C# generic interface like this : using Test; namespace U { public interface IElementLightList<T> : IElementList<T> where T : IElementLight { bool isFrozen(); bool isPastable(); } } This don't work, Visual Studio is not able to see C++/CLI IElementList interface ! I tested with a not generic C++/CLI interface and this work. What I missed ?

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• How to create nested directories in PhoneGap

  - by Stallman

  I have tried on this, but this didn't satisfy my request at all. I write a new one: var file_system; var fs_root; window.requestFileSystem(LocalFileSystem.PERSISTENT, 1024*1024, onInitFs, request_FS_fail); function onInitFs(fs) { file_system= fs; fs_root= file_system.root; alert("ini fs"); create_Directory(); alert("ini fs done."); } var string_array; var main_dir= "story_repository/"+ User_Editime; string_array= new Array("story_repository/",main_dir, main_dir+"/rec", main_dir+"/img","story_repository/"+ User_Name ); function create_Directory(){ var start= 0; var path=""; while(start < string_array.length) { path = string_array[start]; alert(start+" th created directory " +" is "+ path); fs_root.getDirectory ( path , {create: true, exclusive: false}, function(entry) { alert(path +"is created."); }, create_dir_err() ); start++; }//while loop }//create_Directory function create_dir_err() { alert("Recursively create directories error."); } function request_FS_fail() { alert("Failed to request File System "); } Although the directories are created, the it sends me ErrorCallback:"alert("Recursively create directories error.");" Firstly, I don't think this code will work since I have tried on this: This one failed: window.requestFileSystem( LocalFileSystem.PERSISTENT, 0, //request file system success callback. function(fileSys) { fileSys.root.getDirectory( "story_repository/"+ dir_name, {create: true, exclusive: false}, //Create directory story_repository/Stallman_time. function(directory) { alert("Create directory: "+ "story_repository/"+ dir_name); //create dir_name/img/ fileSys.root.getDirectory { "story_repository/"+ dir_name + "/img/", {create: true, exclusive: false}, function(directory) { alert("Create a directory: "+ "story_repository/"+ dir_name + "/img/"); //check. //create dir_name/rec/ fileSys.root.getDirectory { "story_repository/"+ dir_name + "/rec/", {create: true, exclusive: false}, function(directory) { alert("Create a directory: "+ "story_repository/"+ dir_name + "/rec/"); //check. //Go ahead. }, createError } //create dir_name/rec/ }, createError } //create dir_name/img }, createError); }, //Create directory story_repository/Stallman_time. createError()); } I just repeatedly call fs.root.getDirectory only but it failed. But the first one is almost the same... 1. What is the problem at all? Why does the first one always gives me the ErrorCallback? 2. Why can't the second one work? 3. Does anyone has a better solution?(no ErrorcallBack msg) ps: I work on Android and PhoneGap 1.7.0.

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• Curious redirection problem using location.href

  - by Jose M Balaguer

  I face a curious problem with redirection... Look at this small example: it works only if I add the alert() call after the redirection sentence! If I remove the alert() it does not work anymore!!! Any idea why (I'm using Firefox 3)? Thanks. <html> <script type="text/javascript"> function GotoPage() { location.href = "http://www.yahoo.com"; // Without this alert redirection does not work!!! alert("Hello!"); } </script> <body> <form> <button onclick="javascript:GotoPage()">Go</button> </form> </body> </html>

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• Django, javascript and code reuse problem

  - by dragoon

  Hi, I have some sort of a design problem with my Django AJAX application. I have a template where I initialize js variable from django context variable like so: var test = "{{ test }}"; This variable is than used in a number of js functions that are needed for interface to work properly. So now I'm trying to reuse some content from this page in another page that loads it dynamically on some user interaction using jQuery.load(..), and I don't see any way how I can initialize that variable, so js functions don't work now. Is there any solution for this or may be I'm doing it wrong? Thanks.

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• Git access on Heroku deployment and others: connection refused

  - by Toby Hede

  I have suddenly run into an issue using git. I created a new app, went to push to Heroku and now see: ssh: connect to host heroku.com port 22: Connection refused My other previously working Heroku apps no longer work, receiving the same error. Other Heroku commands work (create, info, db:push). I also see the error when accessing Git on my unfuddle accounts. I can SSH to other services, so it doesn't look like it's my machine. Any ideas?

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• Linking buttion to jQuery through service

  - by Ruddy

  I have a small problem that should be very easy to overcome. For some reason I cant work this out. So the problem is I cannot get a button to link to some jquery. My set-up is as follows (showing the relevant code): Default.aspx jQuery: function getContent() { var data = { numberID: 1 }; $.jsonAspNet("ContentService.asmx", "GetContent", data, function (result) { $('#content').html(result); }); } jQuery(document).ready(function () { getContent(); } HTML: <div id="content"></div> ContentService.vb Public Function GetContent(number As Integer) As String Dim sb = New StringBuilder sb.AppendLine("<table>") sb.AppendLine("<tr>") sb.AppendLine("<td class='ui-widget-header ui-corner-all'>Number</td>") sb.AppendLine("</tr>") sb.AppendLine("<tr>") sb.AppendLine("<td>" & number & "</td>") sb.AppendLine("<td><a href='#' id='test' class='fg-button ui-state-default ui-corner-all'><img src='" & Context.Request.ApplicationPath & "/images/spacer.gif' class='ui-icon ui-icon-pencil' /></a></td>") sb.AppendLine("</tr>") sb.AppendLine("</table>") Return sb.ToString End Function So that's the basics of what I have everything works but I'm not sure how to get the button (id='test') to get linked to some jQuery. I want it to be pressed and bring up a popup. I have tried to put the jQuery on default.aspx but this doesn't seem to work unless the button is place in the HTML on that page. $('#test').unbind('click').click(function () { alert('Working'); }); I'm sure this is easy to be able to do but I have been trying for a while and cannot seem to get it to work.

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• WCF method that updates object passed in

  - by Georgia Brown

  Am I correct in thinking that if I have a WCF OperationContract takes in an object and needs to set a property on that object so the client gets the update, I need to declare it to return the object. e.g. given a datacontract: [DataContract] public class CompositeType { [DataMember] public int Key { get; set; } [DataMember] public string Something { get; set; } } this will not work with WCF: public void GetDataUsingDataContract(CompositeType composite) { composite.Key = 42; } this will work: public CompositeType GetDataUsingDataContract(CompositeType composite) { composite.Key = 42; return new CompositeType { Key = composite.Key, Something = composite.Something }; }

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• What Belongs to the Aggregate Root

  - by jlembke

  This is a practical Domain Driven Design question: Conceptually, I think I get Aggregate roots until I go to define one. I have an Employee entity, which has surfaced as an Aggregate root. In the Business, some employees can have work-related Violations logged against them: Employee-----*Violations Since not all Employees are subject to this, I would think that Violations would not be a part of the Employee Aggregate, correct? So when I want to work with Employees and their related violations, is this two separate Repository interactions by some Service? Lastly, when I add a Violation, is that method on the Employee Entity? Thanks for the help!

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• How can I enable Vista/Win 7 theming/style for a ToolTip control?

  - by Joakim Hårsman

  In Windows Vista and Windows 7, ToolTips have a new visual style or theme, they are shiny grey metallic. How can I enable the new style for a ToolTip control? Some controls, like ListViews and ToolBars, use the new tooltips automatically, but other tooltips are rendered with the old yellow XP style. I've tried sending an TTM_SETWINDOWTHEME message but nothing happens and I'm not sure what string I am supposed to use for the visual style name. SetWindowTheme doesn't work either, I've used it successfully on ListViews and TreeViews to set the "Explorer" style (see http://www.danielmoth.com/Blog/TreeViewVista.aspx), but that doesn't seem to work on ToolTips. I'm using the plain win32 C API.

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• Shift+Tab not working in TreeView control

  - by Christian

  I cannot get backwards navigation using Shift+Tab to work in a TreeView that contains TextBoxs, forward navigation using Tab works fine and jump from TextBox to TextBox inside the TreeView. Anytime Shift+Tab is used when one of the TextBoxes inside the TreeView, then the focus is move to the previous control outside the TreeView, instead of the previous control inside the TreeView. Also its only Shift+Tab navigation that are not working correctly, Ctrl+Shift+Tab work as expected and in the correct order. Any suggestions to what I'm doing wrong? Example code: <Window x:Class="TestTabTreeView.MainWindow" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" Title="MainWindow" Height="350" Width="525"> <Window.Resources> <Style TargetType="TreeViewItem"> <Setter Property="KeyboardNavigation.TabNavigation" Value="Continue" /> </Style> </Window.Resources> <Grid> <Grid.RowDefinitions> <RowDefinition Height="Auto" /> <RowDefinition Height="*" /> <RowDefinition Height="Auto" /> </Grid.RowDefinitions> <TextBox Text="First Line" Grid.Row="0" /> <TreeView Grid.Row="1" KeyboardNavigation.TabNavigation="Continue" IsTabStop="False"> <TreeViewItem IsExpanded="True"><TreeViewItem.Header><TextBox Text="Popular Words"/></TreeViewItem.Header> <TreeViewItem><TreeViewItem.Header><TextBox Text="Foo"/></TreeViewItem.Header></TreeViewItem> <TreeViewItem><TreeViewItem.Header><TextBox Text="Bar"/></TreeViewItem.Header></TreeViewItem> <TreeViewItem><TreeViewItem.Header><TextBox Text="Hello"/></TreeViewItem.Header></TreeViewItem> </TreeViewItem> <TreeViewItem IsExpanded="True"><TreeViewItem.Header><TextBox Text="Unpopular Words"/></TreeViewItem.Header> <TreeViewItem><TreeViewItem.Header><TextBox Text="Work"/></TreeViewItem.Header></TreeViewItem> <TreeViewItem><TreeViewItem.Header><TextBox Text="Duplication"/></TreeViewItem.Header></TreeViewItem> </TreeViewItem> </TreeView> <TextBox Text="Last Line" Grid.Row="2" /> </Grid>

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• Measuring execution time of a system call in C++

  - by jm1234567890

  I have found some code on measuring execution time here http://www.dreamincode.net/forums/index.php?showtopic=24685 However, it does not seem to work for system calls. I imagine this is because the execution jumps out of the current process. clock_t begin=clock(); system(something); clock_t end=clock(); cout<<"Execution time: "<<diffclock(end,begin)<<" s."<<endl; Then double diffclock(clock_t clock1,clock_t clock2) { double diffticks=clock1-clock2; double diffms=(diffticks)/(CLOCKS_PER_SEC); return diffms; } However this always returns 0 seconds... Is there another method that will work? Also, this is in Linux. Thanks!

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• jqGrid formatter and sortable column - doesn't sort

  - by HeavyWave

  I am using a custom formatter for my jqGrid columnModel and I can't get sorting to work with formatter functions. If I remove formatter column sorts normally. colModel: [ { name: 'status', index: 'status', width: 18, sorttype: 'int', align: 'center', formatter: function(cellvalue, options, rowObject) { return cellvalue == 1 ? "<img src='images/agent_green_s.png' alt='Ready' title='Ready' />" : cellvalue == 3 ? "<img src='images/agent_red_s.png' alt='Busy' title='Busy' />" : "<img src='images/agent_orange_s.png' alt='Pending Ready' title='Pending Ready' />"; } How do I get sorting to work properly?

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• How to actually use ZeroClipboard in jQuery?

  - by Martti Laine

  Hello I just can't get this thing. How is ZeroClipboard supposed to work? Why does it need to move the flash-element over the copied text? I've read this thing: http://code.google.com/p/zeroclipboard/wiki/Instructions Can someone provide me a short snippet, which makes it possible to copy a text in variable to users clipboard, when user clicks a link. Is this even possible? I don't care, if it doesn't work on all browsers (IE6 for example). I'm using jQuery. Martti Laine

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• Use SendMessage in C# to perform a CTRL-C operation on a given handle

  - by gtaborga

  Hello everyone, I'm trying to perform a (CTRL-C) copy on a window. I've already managed to do this using SendInput but unfortunately that could fail if the window doesn't have focus. I'm trying to perform the same (CTRL-C) operation using SendMessage in C#. So far I haven't been successful in getting the WPARAM and LPARAM combination for this to work. I have also tried using SendMessage with the WM_COPY message but that didn't work for my needs. Please if anyone has done this before successfully using SendMessage I would greatly appreciate your help.

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• Commenting practices?

  - by Tarmon

  Hey Everyone, As a student in computer engineering I have been pressured to type up very detailed comments for everything I do. I can see this being very useful for group projects or in the work place but when you work on your own projects do you spend as much time commenting? As a personal project I am working on grows more and more complicated I sometimes feel as though I should be commenting more but I also feel as though it's a waste of time since I will probably be the only one working on it. Is it worth the time and cluttered code? Thoughts?

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• Android ScrollView jumps around when setting child visibility to View.GONE

  - by Mike

  I have a ScrollView that contains an number of other views (TextViews, ImageViews, etc.). The ScrollView is taller than the screen. I have an AsyncTask that updates the children of the ScrollView based on an http response. I've discovered an interesting behavior that I can't figure out how to work around. If I set any of the children's visibilities to View.INVISIBLE as part of the AsyncTask.onPostExecute(), everything works fine. However, if I set any of the children's visibilities to View.GONE, the ScrollView jumps down from the top when onPostExecute() is called. Exactly how far seems to vary. I'm guessing that re-laying out the ScrollView is causing it to scroll away from the top for some reason. So the question is: is there a way to either prevent or work around this behavior? PS. Using ScrollView.jump(FOCUS_UP) as a workaround isn't ideal since that'll force the user to the top even if they had intended to scroll down.

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• window.opener.document.getElementById not working

  - by Curtis

  In my asp.net web app, I create a popup window with a button. When that button is clicked, I want to set the value of an asp:TextBox (id=TextBox1) contained in the parent window. However, it doesn't work like all the examples I've read indicate. I've tried the following lines of code in my javascript onclick handler: window.opener.document.getElementById('<%= TextBox1.ClientID %').value = "abc"; window.opener.document.getElementById("TextBox1").value = "abc"; window.opener.document.getElementById("ctl00_ContentPlaceHolder1_TextBox1").value = "abc"; Only example 3 works. All the stuff I've read indicates that #1 is the preferred method, but I can't seem to make it work at all. Does anyone have any ideas what I'm doing wrong? I've tried this in Firefox, Chrome and IE. Thanks

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• JPanel background image

  - by Zloy Smiertniy

  This is my code, it indeed finds the image so that is not my concern, my concern is how to make that image be the background of the panel. I'm trying to work with Graphics but i doesnt work, any ideas?? please?? try { java.net.URL imgURL = MAINWINDOW.class.getResource(imagen); Image imgFondo = javax.imageio.ImageIO.read(imgURL); if (imgFondo != null) { Graphics grafica=null; grafica.drawImage(imgFondo, 0, 0, this); panel.paintComponents(grafica); } else { System.err.println("Couldn't find file: " + imagen); } } catch...

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