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  • Query on MVVM pattern in WPF?

    - by Ashish Ashu
    I am implementing a MVVM pattern in my WPF application. My application main window is divided into four parts: Main Menu On the Top Outlook Navigation Control on the Left. A List View on the Middle. Another List view on the bottom. The Navigation control shows different setting (configuration) controls in the Tab items. All the four above are user controls which are placed in the main window. And corresponding to each user control there is separate view model which is bounded with a view model in the XAML of each control, however the model class remain the same between all the view model. And a MainWindow has a seperate View Model which is also bounded with a view model in the XAML of each control. Please help me out in framing a design in which each view models of all the controls above will interact with each other. Please let me know if my question is not clear to you!!

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  • Coverflow in HTML5 for iPhone/iPod Touch

    - by Stephanie
    Hi, I have to do a web page destined for iPhone and iPod-touch that needs to incorporate the Coverflow style of apple in a page to display a list of videos. I've heard something about gizmos that could help, but I can't find anything relevant or that could work properly with the iPhone/iPod-Touch navigation. Anyone knows something that could help me getting started? Thanks -Stephanie

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  • Magento - Fatal error: Class name must be a valid object or a string

    - by Jason Millward
    I'm having a problem with a Magento installation that I hope someone can help me with. I suddenly started getting the following error message when I accessed the site: Fatal error: Class name must be a valid object or a string in /app/code/core/Mage/Core/Model/Resource.php on line 215 I've searched for someone with a similar issue but not had any luck so i'm stuck and really need to get this resolved Can anyone help?

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  • Is there a RAD for Android ?

    - by mawg
    Anything to help design GUI like a paint program? (Delphi, VB, MSVC, QtBuilder, etc) And anything to help build packages, set permissions, etc? What is there out there to take the drudge work out of Android app creation and leave me free to concentrate on design and development?

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  • Windows phone 8.1 emulator not loading OS

    - by Anonymous Person
    I am trying to launch the emulator (Emulator 8.1 WVGA 4 inch 512 MB, or any other as a matter of fact) but it fails to launch. It goes to the "Loading OS" screen then throws an error box with the text "DEP6100". On VS, it says at the bottom Error1 Error : DEP6100 : The following unexpected error occurred during bootstrapping stage 'Connecting to the device': ObjectDisposedException - 0x80131622 and Error2 Error : DEP6100 : The following unexpected error occurred during bootstrapping stage 'Connecting to the device': ObjectDisposedException - 0x80131622 Looked in the internet but haven't found an answer yet. Can you please help? Please let me know what additional information you need.

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  • Validating form dropdown in CodeIgniter

    - by Gaz
    Hi, I am using CodeIgniter's form helper and form validation library to build my forms. I'm having trouble making the dropdown 'sticky' and also finding appropriate validation rules. This is how I'm populating the drodown: foreach($events as $event){ $options[$event->event_title] = $event->event_title; } $firstItem = '<option>Please select one...</option>'; echo form_dropdown('events', $options, '', $firstItem); This is building the options from events stored in the database. The form looks fine and is populating tall the fields correctly. Hwoever, when I come to submit the form, the dropdown isn't holding onto the value selected? Also, how should I validate it, I want to make it required but I also want to make sure that I dont except the first option in the dropdown 'Please select one...' Thanks in advance. Cheers, Gaz

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  • jQuery to add vertical scroll bar for a fixed height div container

    - by Michael Mao
    Hi all: This is uni homework so sorry about :my password protected url Please enter usersame as "uts" and password as "10479475", without the wrapper quotes. It it almost completed, please follow simple steps to see where my problem dwells: step1: click on any continent highlighted on world map; step2: click on any city marked on continent map; step3: enter quantity ranging from 1 to 6 into the upper-right table; step4 : there you go, in the table below, once row is equal or greater than 3, then the size of table starts to "overlap" on top of the footer section and continues to grow, which is not what I want. I want to achieve the effect that the table size has a limited max-height, so once actual height exceeds the threshold, then I can have a vertical scroll bar so to "stack up" my table and not to break the overall structure. It turns out that my lazy initial design now gets myself stuck in a problem... Any suggestion and hint on how to get this?

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  • How do i set focus to a text box Html.TextBoxFor - mvc 2

    - by Liado
    Hi, I'm trying to set focus on a text box which generated in the following way: <%=Html.TextBoxFor(model = model.Email, new { style = "width:190px;Border:0px", maxsize = 190 })% i tried to use javascript which didnt help much. var txtBox = document.getElementById("Email"); if (txtBox != null) txtBox.focus(); Can someone help? Thanks.

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  • dojox.grid.DataGrid can't display repeat rows?

    - by Robert
    We have a situation where we need to display data from a database in a grid which has repeat rows, but it seems at least the basic examples fail when the cell data is identical with Sorry, an error occurred. An example follows: <script dojo.require("dojo.data.ItemFileWriteStore"); dojo.require("dojox.grid.DataGrid"); var historyData = { 'identifier': 'time', 'label': 'time', 'items': [ { 'message': 'Please turn in your TPS reports immediately', 'time': 'March 3 2010 7:20 AM', 'sentBy':'Bill Lumbergh' }, { 'message': 'Please turn in your TPS reports immediately', 'time': 'March 3 2010 7:20 AM', 'sentBy':'Bill Lumbergh' }] }; var historyGridLayout = [ [{ field: "message", name: "Message" }, { field: "time", name: "Display Date & Time" }, { field: "sentBy", name: "Sent By" }]]; </script <body class="tundra " <div dojoType="dojo.data.ItemFileWriteStore" data="historyData" jsId="historyStore" </div <div id="grid" dojoType="dojox.grid.DataGrid" store="historyStore" structure="historyGridLayout" </div </body Help!

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  • The resource cannot be found. WCF .svc file

    - by Akshat Goel
    I am making a WCF service. System Config: Widnows 7, ASP.NET 3.5, IIS 7.0 Server Config: IIS7, ASP.NET 3.5 It works fine on my system, but when i deploy this on the server i get following error The resource cannot be found. when i try accessing my .svc file. Please help me out in this. My server is with GoDaddy, so i have no control on the server. I have to do everything in my code only. Please help.

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  • How to use WIX to deploy and run WCF service

    - by Giampaolo
    Hi I am trying to make an installer which deploys my wcf service, at the moment it is creating the virtual directory, but when i try connect my app to it, i get a CommunicationException was unhandled by user code The remote server returned an error: NotFound. I notice that if i create a virtual directory manually that it will connect and work, so i'm assuming IIS is doing something behind my back which is making it work. This is the code i am using to create the virtual directory,please note this is inside a iis:WebSite tag if more information is needed please let me know. <iis:WebVirtualDir Id="VAWebService" Directory="VAWebService" Alias="VAWebService" > <iis:WebApplication Id="VAWebService" Name="VAWebService" AllowSessions="yes" WebAppPool="VA_AppPool" /> <iis:WebDirProperties Id="MyWebSite_Properties" AnonymousAccess="yes" WindowsAuthentication="no" DefaultDocuments="service1.svc" AccessSSL="yes" AccessSSL128="yes" AccessSSLMapCert="yes" AccessSSLNegotiateCert="yes" AccessSSLRequireCert="yes" Read="yes" Write="yes" Execute="yes" Script="yes" /> </iis:WebVirtualDir> Does any one know how to fix this? any help would be appreciated. Thanks

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  • iPhone App rejected because of Three20 private API undocumented, private UITouch instance variables:

    - by Sijo
    I got a notification mail after submitting to app store.. "During our review of your application we found it is using private APIs, which is in violation of the iPhone Developer Program License Agreement section 3.3.1; "3.3.1 Applications may only use Documented APIs in the manner prescribed by Apple and must not use or call any private APIs." While your application has not been rejected, it would be appropriate to resolve this issue in your next update. The non-public APIs that are included in your application are the following undocumented, private UITouch instance variables: firstResponder UITouch._locationInWindow UITouch._phase UITouch._previousLocationInWindow UITouch._tapCount UITouch._timestamp UITouch._touchFlags UITouch._view UITouch._window Please resolve this issue in your next update to Application " . My application contains Three20. These variables are used in "UIViewAdditions.m". Is there any way to resolve this issue ? Please help me. Thanks in advance

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  • how to clear insufficient space on disk where the following directory resides in teamcity

    - by sam
    I am getting the following message :- Warning: insufficient space on disk where the following directory resides: Z:\TeamCity\.BuildServer\system. Disk space available: 915.53Mb. Please contact your system administrator. I already have executed the build history cleanup command. but this has not done much. Can you please guide what directory under the following path I clear up to make space on disk. This Z:\TeamCity.BuildServer\system path has artifacts, caches, changes, messages directories. Which directory to delete to make space. Many Thanks

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  • How often are design patterns used in the workplace using PHP

    - by Metropolis
    Hey everyone, I read a book awhile back called PHP Design Patterns and Practice, and ever since then I have been using design patterns whenever I think they are needed. However it just occurred to me that maybe most companies do not use design patterns very often for PHP, or at all. What I was wondering is, do most companies use design patterns to help improve code flexibility? And if so, what are the best design patterns to learn for PHP? Thanks for any help on this, Metropolis

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  • Reload UItabbar view when using selectedIndex

    - by Hetal Vora
    Hi, In my application I have 4 tabs in my tab bar. There is a navigation where if i click on a button on tab bar 2 view, it should take me to tab bar 3 view. I am doing this by using setting the selectedIndex property of tab bar like appDelegate.tabBarController.selectedIndex = 2; However, this doesn't reload the view of tab bar 3. It simply shows the tab bar 3 view that was last accessed (which may be down the navigation hieararchy in tab bar 3). Please help as to how can i reload the root view of tab bar 3. I tried having the delegate method of tabbar as below: - (void)tabBarController:(UITabBarController *)tabBarController didSelectViewController:(UIViewController *)viewController { [viewController.navigationController popToRootViewControllerAnimated:FALSE]; } but this works only if I click on a tab to go to the view and doesn't work with selectedIndex.Please help.

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  • Sending an Activation Email when a New User Registers

    - by John
    Hello, The code below is a login system that I am using. It is supposed to allow a new user to register and then send the new user an activation email. It is inserting the new user into the MySQL database, but it is not sending the activation email. Any ideas why it's not sending the activation email? Thanks in advance, John header.php: <?php //error_reporting(0); session_start(); require_once ('db_connect.inc.php'); require_once ("function.inc.php"); $seed="0dAfghRqSTgx"; $domain = "...com"; ?> <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> <title>The Sandbox - <?php echo $domain; ?></title> <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1"> <link rel="stylesheet" type="text/css" href="sandbox.css"> <div class="hslogo"><a href="http://www...com/sandbox/"><img src="images/hslogo.png" alt="Example" border="0"/></a></div> </head> <body> login.php: <?php if (!isLoggedIn()) { // user is not logged in. if (isset($_POST['cmdlogin'])) { // retrieve the username and password sent from login form & check the login. if (checkLogin($_POST['username'], $_POST['password'])) { show_userbox(); } else { echo "Incorrect Login information !"; show_loginform(); } } else { // User is not logged in and has not pressed the login button // so we show him the loginform show_loginform(); } } else { // The user is already loggedin, so we show the userbox. show_userbox(); } ?> function show_loginform($disabled = false) { echo '<form name="login-form" id="login-form" method="post" action="./index.php?'.$_SERVER['QUERY_STRING'].'"> <div class="usernameformtext"><label title="Username">Username: </label></div> <div class="usernameformfield"><input tabindex="1" accesskey="u" name="username" type="text" maxlength="30" id="username" /></div> <div class="passwordformtext"><label title="Password">Password: </label></div> <div class="passwordformfield"><input tabindex="2" accesskey="p" name="password" type="password" maxlength="15" id="password" /></div> <div class="registertext"><a href="http://www...com/sandbox/register.php" title="Register">Register</a></div> <div class="lostpasswordtext"><a href="http://www...com/sandbox/lostpassword.php" title="Lost Password">Lost password?</a></div> <p class="loginbutton"><input tabindex="3" accesskey="l" type="submit" name="cmdlogin" value="Login" '; if ($disabled == true) { echo 'disabled="disabled"'; } echo ' /></p></form>'; } register.php: <?php require_once "header.php"; if (isset($_POST['register'])){ if (registerNewUser($_POST['username'], $_POST['password'], $_POST['password2'], $_POST['email'])){ echo "<div class='registration'>Thank you for registering, an email has been sent to your inbox, Please activate your account. <a href='http://www...com/sandbox/index.php'>Click here to login.</a> </div>"; }else { echo "Registration failed! Please try again."; show_registration_form(); } } else { // has not pressed the register button show_registration_form(); } ?> New User Function: function registerNewUser($username, $password, $password2, $email) { global $seed; if (!valid_username($username) || !valid_password($password) || !valid_email($email) || $password != $password2 || user_exists($username)) { return false; } $code = generate_code(20); $sql = sprintf("insert into login (username,password,email,actcode) value ('%s','%s','%s','%s')", mysql_real_escape_string($username), mysql_real_escape_string(sha1($password . $seed)) , mysql_real_escape_string($email), mysql_real_escape_string($code)); if (mysql_query($sql)) { $id = mysql_insert_id(); if (sendActivationEmail($username, $password, $id, $email, $code)) { return true; } else { return false; } } else { return false; } return false; } Send Activation Email function: function sendActivationEmail($username, $password, $uid, $email, $actcode) { global $domain; $link = "http://www.$domain/sandbox/activate.php?uid=$uid&actcode=$actcode"; $message = " Thank you for registering on http://www.$domain/, Your account information: username: $username password: $password Please click the link below to activate your account. $link Regards $domain Administration "; if (sendMail($email, "Please activate your account.", $message, "no-reply@$domain")) { return true; } else { return false; } }

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  • How to send AT command in android?

    - by jitendra Kumar
    Hi All, I want to send At command throug my application to modem. Can some one please let me know how to send AT command thr my application?? Do we need Phone object to send AT command??? The ATResponseParser class parses part of the AT command syntax used to communicate with the mobile radio hardware in a mobile handset. This is, in fact, a command syntax very much like the AT command syntax used by modems, a standard described in the 3GPP document number TS 27.007 and related specifications. I ant to send below AT command to Mode. 6.5 Hangup call +CHUP Table 13a: +CHUP action command syntax Command Possible response(s) +CHUP +CHUP=? Please help me. Regards, Jitendra Kumar

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  • AJAX.dll is throwing error?

    - by Ramesh
    Hi all, I am using Ajax.dll in my web application.I need to refresh a page for maintaining a session more than one hour, So I created a ajax method that will be called for every 15 mins. Suddenly it throws an error System.NullReferenceException: Object reference not set to an instance of an object. at Ajax.AjaxRequestProcessor.Run() at Ajax.AjaxHandler.ProcessRequest(HttpContext context) at System.Web.HttpApplication.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() at System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) I thought the error might be in Ajax dll. Can anyone please help me to get rid of the issue please.

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  • What is the best Battleship AI?

    - by John Gietzen
    Battleship! Back in 2003, (when I was 17,) I competed in a Battleship AI coding competition. Even though I lost that tournament, I had a lot of fun and learned a lot from it. Now, I would like to resurrect this competition, in the search of the best battleship AI. Here is the framework: Battleship.zip The winner will be awarded +450 reputation! The competition will be held starting on the 17th of November, 2009. No entries or edits later than zero-hour on the 17th will be accepted. (Central Standard Time) Submit your entries early, so you don't miss your opportunity! To keep this OBJECTIVE, please follow the spirit of the competition. Rules of the game: The game is be played on a 10x10 grid. Each competitor will place each of 5 ships (of lengths 2, 3, 3, 4, 5) on their grid. No ships may overlap, but they may be adjacent. The competitors then take turns firing single shots at their opponent. A variation on the game allows firing multiple shots per volley, one for each surviving ship. The opponent will notify the competitor if the shot sinks, hits, or misses. Game play ends when all of the ships of any one player are sunk. Rules of the competition: The spirit of the competition is to find the best Battleship algorithm. Anything that is deemed against the spirit of the competition will be grounds for disqualification. Interfering with an opponent is against the spirit of the competition. Multithreading may be used under the following restrictions: No more than one thread may be running while it is not your turn. (Though, any number of threads may be in a "Suspended" state). No thread may run at a priority other than "Normal". Given the above two restrictions, you will be guaranteed at least 3 dedicated CPU cores during your turn. A limit of 1 second of CPU time per game is allotted to each competitor on the primary thread. Running out of time results in losing the current game. Any unhandled exception will result in losing the current game. Network access and disk access is allowed, but you may find the time restrictions fairly prohibitive. However, a few set-up and tear-down methods have been added to alleviate the time strain. Code should be posted on stack overflow as an answer, or, if too large, linked. Max total size (un-compressed) of an entry is 1 MB. Officially, .Net 2.0 / 3.5 is the only framework requirement. Your entry must implement the IBattleshipOpponent interface. Scoring: Best 51 games out of 101 games is the winner of a match. All competitors will play matched against each other, round-robin style. The best half of the competitors will then play a double-elimination tournament to determine the winner. (Smallest power of two that is greater than or equal to half, actually.) I will be using the TournamentApi framework for the tournament. The results will be posted here. If you submit more than one entry, only your best-scoring entry is eligible for the double-elim. Good luck! Have fun! EDIT 1: Thanks to Freed, who has found an error in the Ship.IsValid function. It has been fixed. Please download the updated version of the framework. EDIT 2: Since there has been significant interest in persisting stats to disk and such, I have added a few non-timed set-up and tear-down events that should provide the required functionality. This is a semi-breaking change. That is to say: the interface has been modified to add functions, but no body is required for them. Please download the updated version of the framework. EDIT 3: Bug Fix 1: GameWon and GameLost were only getting called in the case of a time out. Bug Fix 2: If an engine was timing out every game, the competition would never end. Please download the updated version of the framework. EDIT 4: Results!

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  • JTwitter OAuth signpost example

    - by RenegadeAndy
    Hey. I believe JTwitter supports OAuth to authenticate against a developer account , however i cannot get any of them working. The JTwitter docs say signpost is the supported method - yet I cannot seem to find the OAuthSignpostClient class they use even after adding the signpost libs: OAuthSignpostClient client = new OAuthSignpostClient(JTWITTER_OAUTH_KEY, JTWITTER_OAUTH_SECRET, "oob"); Twitter jtwit = new Twitter("yourtwittername", client); // open the authorisation page in the user's browser client.authorizeDesktop(); // get the pin String v = client.askUser("Please enter the verification PIN from Twitter"); client.setAuthorizationCode(v); // Optional: store the authorisation token details Object accessToken = client.getAccessToken(); // use the API! jtwit.setStatus("Messing about in Java"); Has anybody code that code segment working? Please help Andy

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  • 'System.Windows.Forms.AxHost+InvalidActiveXStateException' in WPF

    - by Gagan
    I am trying to make a WPF Application and using the Visio Controls. I have a dll named AxInterop.Microsoft.Office.Interop.VisOcx and I refer it to instantiate an object of the type AxDrawingControl(). Now as soon as I write this code: AxDrawingControl objDrawControl=new AxDrawingControl(); and check the attributes of this object objDrawControl in the debug mode, I see this message: Exception of type 'System.Windows.Forms.AxHost+InvalidActiveXStateException' was thrown. Here is how it looks like: Please help me to get this thing resolved! Please!

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