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  • Not finding field in polymorphic association with Doctrine2

    - by dimirc
    I have a polymorphic association (Class Table Inheritance) and I need use DQL to query entities of a specific child class wich can be done using "x INSTANCE OF Entity" in WHERE clause. Now I need to put conditions specific for that child class but I get this error: "Class Person has no association named student_field_1" Person = Parent Class Employee = Child class Student = Child class is there any way yo cast of somehow tell Doctrine that the Person is actually a Student and to allow me to put Student fields in the WHERE?

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  • What's the best way to debug URLRewrite rules?

    - by Charlie
    Trying to do a few URLRewrite rules - some of them worked, some didn't. For those that didn't work, how do you debug it? Especially if the rule was never invoked, how do I tell where I'm making a mistake? Tried Live HTTP Header extension with firefox as well as checking the server access logs, to no avail. My site is hosted with cpanel, using apache, and the rewrite rules are defined in .htaccess (I have some rules that worked, so it's not a setup issue I'm pretty sure) Thanks

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  • Custom Control Not Playing Nice With PropertyGrid

    - by lumberjack4
    I have a class that is implementing a custom ToolStripItem. Everything seems to work great until I try to add the item to a ContextMenuStrip at design time. If I try to add my custom control straight from the ContextMenuStrip the PropertyGrid freezes up and will not let me modify my Checked or Text properties. But if I go into the ContextMenuStrip PropertyGrid and add my custom control through the Items(...) property, I can modify the custom control just fine within that dialog. I'm not sure if I'm missing an attribute somewhere of if its a problem with the underlying code. Here is a copy of the CustomToolStripItem class. As you can see, its a very simple class. [ToolStripItemDesignerAvailability(ToolStripItemDesignerAvailability.ContextMenuStrip)] public class CustomToolStripItem : ToolStripControlHost { #region Public Properties [Description("Gets or sets a value indicating whether the object is in the checked state")] [ReadOnly(false)] public bool Checked { get { return checkBox.Checked; } set { checkBox.Checked = value; } } [Description("Gets or sets the object's text")] [ReadOnly(false)] public override string Text { get { return checkBox.Text; } set { checkBox.Text = value; } } #endregion Public Properties #region Public Events public event EventHandler CheckedChanged; #endregion Public Events #region Constructors public CustomToolStripItem() : base(new FlowLayoutPanel()) { // Setup the FlowLayoutPanel. controlPanel = (FlowLayoutPanel)base.Control; controlPanel.BackColor = Color.Transparent; // Add the child controls. checkBox.AutoSize = true; controlPanel.Controls.Add(checkBox); ContextMenuStrip strip = new ContextMenuStrip(); } #endregion Constructors #region Protected Methods protected override void OnSubscribeControlEvents(Control control) { base.OnSubscribeControlEvents(control); checkBox.CheckedChanged += new EventHandler(CheckChanged); } protected override void OnUnsubscribeControlEvents(Control control) { base.OnUnsubscribeControlEvents(control); checkBox.CheckedChanged -= new EventHandler(CheckChanged); } #endregion Protected Methods #region Private Methods private void CheckChanged(object sender, EventArgs e) { // Throw the CustomToolStripItem's CheckedChanged event EventHandler handler = CheckedChanged; if (handler != null) { handler(sender, e); } } #endregion Private Methods #region Private Fields private FlowLayoutPanel controlPanel; private CheckBox checkBox = new CheckBox(); #endregion Private Fields }

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  • Flex 3.5 Accordion and TabNavigator Index Change Bug

    - by majgis
    I'm using Flex 3.5 with Adobe Flex Builder 3. I have found that if you very rapidly click between multiple headers of an accordion component or the tabs of TabNavigator, these components will begin to exhibit odd, unexpected behavior. Has anyone else experienced this behavior and do you know of a patch that can prevent the user from getting in a situation where the tab/header they click on is not the one made visible?

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  • unnecessary vertical scrollbar in ie6

    - by tirso
    hi to all does any could help me how to remove unnecessary scroll bar in ie6. I have already put overflow-y: hidden; but still the same output. thanks in advance here is my url http://webberzsoft.com/clients/csslayouttest/template_new.php here is my css * {margin:0;padding:0;}/*for demo purposes only, use a proper reset in your final layout*/ html,body { overflow: auto; height:100%; } body { font-size:100%; background:#777; } #wrapper{ min-height:99%; width: 1240px; margin:0 auto; background: #FFFFFF; border-left:1px solid #000; border-right:1px solid #000; } #header { background:#77F; border-bottom:1px solid #000; height: 70px; } #content{/*just to create top padding without tampering with min-height:100% on #inner*/ padding:10px 0; overflow:hidden;/*contain floats*/ } #left-index { float:left; width:220px; } #right-index { float:right; width:180px; } #middle-index { float:left; width:840px; overflow:hidden;/*contain floats*/ } #left-home { float:left; width:300px; } #right-home { float:right; width:940px; } here is my html <div id="wrapper"> <div id="header"> <h1 align="right">Fixed Header</h1> <h3>IE6 gets an expression</h3> </div> <div id="content"> <div id="left-index"> <h3>Left</h3> <p>Lorem ipsum dolor sit amet consectetuer quis tempus tristique facilisi Vestibulum. Gravida rhoncus orci leo neque mattis felis Sed et tincidunt tellus. Massa ac condimentum elit ridiculus eget urna wisi id Suspendisse ullamcorper.</p> <p>Hendrerit eros ridiculus urna ipsum leo a ac sed tortor nisl. Tincidunt Morbi justo dis odio sit non sapien enim a augue. Sapien odio dui est Sed nisl id id malesuada sagittis et.</p> <p>Lorem ipsum dolor sit amet consectetuer quis tempus tristique facilisi Vestibulum. Gravida rhoncus orci leo neque mattis felis Sed et tincidunt tellus. Massa ac condimentum elit ridiculus eget urna wisi id Suspendisse ullamcorper.</p> <p>Hendrerit eros ridiculus urna ipsum leo a ac sed tortor nisl. Tincidunt Morbi justo dis odio sit non sapien enim a augue. Sapien odio dui est Sed nisl id id malesuada sagittis et.</p> <p>Lorem ipsum dolor sit amet consectetuer quis tempus tristique facilisi Vestibulum. Gravida rhoncus orci leo neque mattis felis Sed et tincidunt tellus. Massa ac condimentum elit ridiculus eget urna wisi id Suspendisse ullamcorper.</p> <p>Hendrerit eros ridiculus urna ipsum leo a ac sed tortor nisl. Tincidunt Morbi justo dis odio sit non sapien enim a augue. Sapien odio dui est Sed nisl id id malesuada sagittis et.</p> <p>Lorem ipsum dolor sit amet consectetuer quis tempus tristique facilisi Vestibulum. Gravida rhoncus orci leo neque mattis felis Sed et tincidunt tellus. Massa ac condimentum elit ridiculus eget urna wisi id Suspendisse ullamcorper.</p> <p>Hendrerit eros ridiculus urna ipsum leo a ac sed tortor nisl. Tincidunt Morbi justo dis odio sit non sapien enim a augue. Sapien odio dui est Sed nisl id id malesuada sagittis et.</p> <p>Lorem ipsum dolor sit amet consectetuer quis tempus tristique facilisi Vestibulum. Gravida rhoncus orci leo neque mattis felis Sed et tincidunt tellus. Massa ac condimentum elit ridiculus eget urna wisi id Suspendisse ullamcorper.</p> <p>Hendrerit eros ridiculus urna ipsum leo a ac sed tortor nisl. Tincidunt Morbi justo dis odio sit non sapien enim a augue. Sapien odio dui est Sed nisl id id malesuada sagittis et.</p> <p>Lorem ipsum dolor sit amet consectetuer quis tempus tristique facilisi Vestibulum. Gravida rhoncus orci leo neque mattis felis Sed et tincidunt tellus. Massa ac condimentum elit ridiculus eget urna wisi id Suspendisse ullamcorper.</p> </div> <div id="middle-index"> <h3>Middle</h3> <p>Lorem ipsum sed pede non adipiscing nulla lacinia ipsum quis ac Integer. Ut consectetuer Cras fringilla Ut non gravida morbi Maecenas semper vel. Vestibulum quis In Nulla Vivamus Sed feugiat Quisque et ipsum tincidunt. Semper vitae cursus metus risus enim gravida tellus id dignissim nec. Justo laoreet dui commodo Integer malesuada vel quis vel consequat metus. Nec id dolor Aliquam Nullam gravida libero montes nunc ante Nulla. Tortor id.</p> <p>Lorem ipsum sed pede non adipiscing nulla lacinia ipsum quis ac Integer. Ut consectetuer Cras fringilla Ut non gravida morbi Maecenas semper vel. Vestibulum quis In Nulla Vivamus Sed feugiat Quisque et ipsum tincidunt. Semper vitae cursus metus risus enim gravida tellus id dignissim nec. Justo laoreet dui commodo Integer malesuada vel quis vel consequat metus. Nec id dolor Aliquam Nullam gravida libero montes nunc ante Nulla. Tortor id.</p> <p class="lgmarg">testing text for scrolling</p> <p class="lgmarg">testing text for scrolling</p> <p class="lgmarg">testing text for scrolling</p> <p class="lgmarg">testing text for scrolling</p> <p class="lgmarg">testing text for scrolling</p> <p class="lgmarg">testing text for scrolling</p> <p class="lgmarg">testing text for scrolling</p> <p class="lgmarg">testing text for scrolling</p> <p class="lgmarg">testing text for scrolling</p> <p class="lgmarg">testing text for scrolling</p> </div> <div id="right-index"> <h3>Right</h3> <p>Lorem ipsum dolor sit amet consectetuer quis tempus tristique facilisi Vestibulum. Gravida rhoncus orci leo neque mattis felis Sed et tincidunt tellus. Massa ac condimentum elit ridiculus eget urna wisi id Suspendisse ullamcorper.</p> <p>Hendrerit eros ridiculus urna ipsum leo a ac sed tortor nisl. Tincidunt Morbi justo dis odio sit non sapien enim a augue. Sapien odio dui est Sed nisl id id malesuada sagittis et.</p> </div> </div><!--end content--> </div>

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  • Should foreign keys become table primary key?

    - by Carvell Fenton
    Hello again, I have a table (session_comments) with the following fields structure: student_id (foreign key to students table) session_id (foreign key to sessions table) session_subject_ID (foreign key to session_subjects table) user_id (foreign key to users table) comment_date_time comment Now, the combination of student_id, session_id, and session_subject_id will uniquely identify a comment about that student for that session subject. Given that combined they are unique, even though they are foreign keys, is there an advantage to me making them the combined primary key for that table? Thanks again.

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  • Createing a new Index in SQL when current records don't meet that index

    - by Jonathan
    Hey all- I'd like to add an index to a table that already contains data. I know that there a few records currently in the table that are not unique with this new index. Clearly, MySQL won't let me add the index until all of them are. I need a query to identify the rows which currently have the same index. I can then delete or modify these rows as necessary. The new index contains 6 fields. Thanks- Jonathan

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  • Find and replace in a block of text.

    - by David Tildon
    I have a database full of text fields that look like this: (paragraph of normal text) image:blog/clownboy.jpg (another paragraph) I'm trying to write a view helper for Rails that will take one of these big blocks of text, find bits like "image:blog/clownboy.jpg" and replace them with the corresponding <img src="blog/clownboy.jpg"> (without disturbing the surrounding whitespace) before outputting it to the user. I've been trying for an hour or so now, but I'm new to Ruby and the regular expressions are still a bit beyond me.

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  • Validating a class using DataAnotations

    - by runxc1 Bret Ferrier
    I have a class that I am using to model my data in MVC. I have added some DataAnotations to mark fields that are required and I am using regular expressions to check valid Email Addresses. Everything works fine if the object is posted back to MVC and I have the ModelState property that I can check to confirm that the class is valid but how do I check to see if the class is valid outside of MVC using the same class and Data Anotations that I have already set up?

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  • Why use a whitelist for HTML sanitizing?

    - by Carson Myers
    I've often wondered -- why use a whitelist as opposed to a blacklist when sanitizing HTML input? How many sneaky HTML tricks are there to open XSS vulnerabilities? Obviously script tags and frames are not allowed, and a whitelist would be used on the fields in HTML elements, but why disallow most of everything?

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  • Can't build full html table in QTextEdit with std::for_each...

    - by mosg
    Hi. Here is my code function: void ReportHistory::update(void) { ui.output->clear(); ui.output->setCurrentFont(QFont("Arial", 8, QFont::Normal)); QString title = "My Title"; QStringList headers = QString("Header1,Header2,Header3,Header4,Header5,Header6").split(","); QString html = QString( "<html>" \ "<head>" \ "<meta Content=\"Text/html; charset=Windows-1251\">" \ "<title>%1</title>" \ "</head>" \ "<body bgcolor=#ffffff link=#5000A0>" \ "<p>%1</p>" \ "<table border=1 cellspacing=0 cellpadding=2>" \ "<tr bgcolor=#f0f0f0>" ).arg(title); foreach (QString header, headers) { html.append(QString("<th>%1</th>").arg(header)); } html.append("</tr>"); struct Fill { QString html_; Analytics::NavHistory::History::value_type prev_; Fill(QString html) : html_(html) {} void operator ()(const Analytics::NavHistory::History::value_type& entry) { QStringList line = (QString( "%1|%2|%3|%4|%5|%6" ).arg(value1, 15) .arg(value2 ? ' ' : 'C', 8) .arg(value3, 15) .arg(value4, 15, 'f', 4) .arg(value5, 15) .arg(value6, 15, 'f', 4)).split("|"); html_.append("<tr>"); foreach (QString item, line) { html_.append("<td bkcolor=0>%1</td>").arg(item); } html_.append("</tr>"); prev_ = entry; } }; std::for_each(history_->data().begin(), history_->data().end(), Fill(html)); html.append( "</table>" \ "</body>" \ "</html>"); ui.output->setHtml(html); } Where: ui.output is a pointer to QTextEdit. Question: the ui.output just show me the headers, and not the full table, what is wrong? Thanks.

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  • C++ vs Matlab vs Python as a main language for Computer Vision Research

    - by Hough
    Hi all, Firstly, sorry for a somewhat long question but I think that many people are in the same situation as me and hopefully they can also gain some benefit from this. I'll be starting my PhD very soon which involves the fields of computer vision, pattern recognition and machine learning. Currently, I'm using opencv (2.1) C++ interface and I especially like its powerful Mat class and the overloaded operations available for matrix and image operations and seamless transformations. I've also tried (and implemented many small vision projects) using opencv python interface (new bindings; opencv 2.1) and I really enjoy python's ability to integrate opencv, numpy, scipy and matplotlib. But recently, I went back to opencv C++ interface because I felt that the official python new bindings were not stable enough and no overloaded operations are available for matrices and images, not to mention the lack of machine learning modules and slow speeds in certain operations. I've also used Matlab extensively in the past and although I've used mex files and other means to speed up the program, I just felt that Matlab's performance was inadequate for real-time vision tasks, be it for fast prototyping or not. When the project becomes larger and larger, many tasks have to be re-written in C and compiled into Mex files increasingly and Matlab becomes nothing more than a glue language. Here comes the sub-questions: For carrying out research in these fields (machine learning, vision, pattern recognition), what is your main or ideal programming language for rapid prototyping of ideas and testing algorithms contained in papers? For computer vision research work, can you list down the pros and cons of using the following languages? C++ (with opencv + gsl + svmlib + other libraries) vs Matlab (with all its toolboxes) vs python (with the imcomplete opencv bindings + numpy + scipy + matplotlib). Are there computer vision PhD/postgrad students here who are using only C++ (with all its availabe libraries including opencv) without even needing to resort to Matlab or python? In other words, given the current existing computer vision or machine learning libraries, is C++ alone sufficient for fast prototyping of ideas? If you're currently using Java or C# for your research, can you list down the reasons why they should be used and how they compare to other languages in terms of available libraries? What is the de facto vision/machine learning programming language and its associated libraries used in your research group? Thanks in advance. Edit: As suggested, I've opened the question to both academic and non-academic computer vision/machine learning/pattern recognition researchers and groups.

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  • Google Checkout in ASP.Net MVC

    - by MikeH
    I have a fairly simple ASP.Net site that uses google checkout (I have an imagebutton with the PostBackUrl set to the Google address passing values of hidden fields) which works fine. I've been moving this app to MVC and I'm not sure how to handle this. I thought about using jQuery form but I don't believe this would work in this situation because there are times when they're redirected to the google pages. Has anyone used google checkout in an asp.net MVC app?

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  • Problems using xcode in debug mode with Core Plot

    - by Splash6
    I'm having a problem compiling an application which uses Core-Plot in debug mode. It works absolutely fine compiling in release mode, but when I compile in debug mode I get an error that the header file for Core-Plot can't be found. Any idea which of the many settings in x-cide might be causing this problem?

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  • Django models query

    - by Hulk
    Code: class criteria(models.Model): details = models.CharField(max_length = 512) Headerid = models.ForeignKey(Header) def __unicode__(self): return self.id() the details corresponds to a textarea in the UI and a validation is done for 512 characters but when this is saved. /home/project/django/django/core/handlers/base.py in get_response, line 109 Is this any thing related with schema or number of characters entered from UI

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  • Tab key support in an IWebBrowser2 control

    - by Bob
    I have an embedded IWebBrowser2 control using straight C++ (windowed, not windowless) and when someone hits the Tab key to go between fields in the browser, it jumps focus out of the web browser. Any ideas on what I need to implement or what I could be screwing up? Thanks!

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  • ExtJS.Ajax - Authentication?

    - by lajuette
    Is there a way to send requests using ExtJS.Ajax to endpoints that require authentication (e.g. Basic Authentication)? Adding an Authorization-Header won't work. headers : { Authorization : 'Basic ' + Ext.util.base64.encode(username + ':' + password) }

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  • Inline widget-like templates in MODx

    - by Christoffer
    Hi, I'm developing my first ever MODx site and I need to have three blocks on the frontpage that contain headline, picture, image caption, long text and a short text. For these I would like to create a custom template that allows me to create sub-resources of "Home" with only these five fields (of which one will allow me to upload images). How can I set this up? Thanks!

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  • HEAD XMLHttpRequest on Chromium

    - by Treviño
    I'm trying to get the HEAD response with an XMLHttpRequest in Chromium to retrive the location URL of a compressed url, but it fails: var ajax = new XMLHttpRequest(); ajax.onreadystatechange = function() { if (ajax.readyState == 4) alert(ajax.getResponseHeader("Location")) }; ajax.open('HEAD', "http://bit.ly/4Agih5", false); ajax.send(); // Refused to get unsafe header "Location" // Error: NETWORK_ERR: XMLHttpRequest Exception 101

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  • z-index issues with jQuery Tabs, Superfish Menu

    - by NightMICU
    Hi all, For the life of me I cannot get my Superfish menu to stop hiding behind my jQuery UI tabs in IE 7. I have read the documentation out there, have tried changing z-index values and tried the bgIframe plugin, although I am not sure if I am implementing it correctly (left out in my example below, using Supersubs). Here is the Javascript I am using for Superfish - using the Supersubs plugin: $(document).ready(function() { $("ul.sf-menu").supersubs({ minWidth: 12, // minimum width of sub-menus in em units maxWidth: 27, // maximum width of sub-menus in em units extraWidth: 1 // extra width can ensure lines don't sometimes turn over // due to slight rounding differences and font-family }).superfish({ delay: 1000, // one second delay on mouseout animation: {opacity:'show',height:'show'}, // fade-in and slide-down animation speed: 'medium' // faster animation speed }); }); And here is the structure of my page: <div id="page-container"> <div id="header"></div> <div id="nav-admin"> <!-- This is where Superfish goes --> </div> <div id="header-shadow"></div> <div id="content"> <div id="admin-main"> <div id="tabs"> <ul> <li><a href="#tabs-1">Tab 1</a></li> <li><a href="#tabs-2">Tab 2</a></li> </ul> <div id="tabs-1"> <!-- Content for Tab 1 --> </div> <div id="tabs-2"> <!-- Content for Tab 2 --> </div> </div> </div> </div> <div id="footer-shadow"></div> <div id="footer"> <div id="alt-nav"> <?php include $_SERVER['DOCUMENT_ROOT'] . '/includes/altnav.inc.php'; //CHANGE WHEN UPLOADED TO MATCH DOCUMENT ROOT ?> </div> </div> </div>

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  • Get the string representation of a jquery DOM object's entire HTML

    - by Scozzard
    Hi, I have had a bit of a look around and am having some difficulty solving a wee issue I am having. I basically have a string of HTML, I convert that to a JQuery DOM object so that I can easily remove all elements that have a certain class using JQuery's .remove(). I.e., var radHtml = editor.get_html(); var jqDom = $(radHtml); $(".thickbox", jqDom).remove(); $(".thickboxcontent", jqDom).remove(); editor.set_html(this.innerHTML); NOTE: The HTML is derived from content in a RADEditor text editor so there are no parent HTML tags, so can look as follows: <p>This is a header</p> <p>this is some content followed by a table </p> <a href="#TB_inline?height=350&amp;width=400&amp;inlineId=myOnPageContent0" class="thickbox">Test Thickbox</a> <div id="myOnPageContent0" class="thickboxcontent"> <table class="modal"> <thead> </thead> <tbody> <tr> <td>item</td> <td>result</td> </tr> <tr> <td>item 1</td> <td>1</td> </tr> <tr> <td>item 2</td> <td>2</td> </tr> <tr> <td>item 3</td> <td>3</td> </tr> </tbody> </table> </div> Here is what the jqDom.html() returns from the HTML above: "This is a header" I was wondering if there was an easy way to do this - have some html and remove all elements (in this case divs) that have a certain class (but leaving their contents). JQuery doesnt have to used, but I would like to. Manipulating the DOM object is fine - it is getting the full DOM object in its entirety as a string that I am having the problem with. Any help would be much appreicated. Thanks.

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  • Delphi - ListView Question

    - by Brad
    Is there a ListView (ListBox) or similar component that allows me to easily drop another component in a specific column. (Multiple columns)? Like a checkbox, button or drop down list or all the above. (It would be nice to be able to sort via the header also) If not does anyone know of a resource on how to custom draw something like this? Thanks -Brad

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