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  • How do I measure distances in an image?

    - by Ram Bhat
    Let's say we have an image like so Let's say we've already used filters and an edge detection algorithm in this pic. Now my goal is to measure distances (NOT actual distances, distance can be in any arbitrary unit) . eg: How do I find the length of the hall? (until the window) Or the height of the bookshelves? How exactly do you place the "scale" and measure. I'm looking for ideas. However it would help if the answers were in terms of OpenCV.

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  • MS-Access 2007 Runtime SendObject Crash

    - by ccraiff
    I have programmed an Access Database program using Access 2007. I have a button that points to the event: DoCmd.SendObject acSendReport to have it email a PDF report (acFormatPDF). Everything works fine in the normal Access 2007 program, but when a user opens the program with Access 2007 Runtime, when clicking on this button it goes through the normal steps (notifying Outlook, waiting for Allow/Deny clearance), and then after you click Allow, the program crashes with a Runtime Error. Does anybody know what is going on here? Is this a normal error with Access Runtime? I have tried other file formats (RTF and XLS) instead of PDF, but it seems to be the SendObject command that is crashing the Runtime Environment? Clarification: Access Runtime does not output an error code upon this crash. Just a window stating a "runtime error has occurred".

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  • Syntax Error with MySQL 5.1 Server

    - by Mr.Z
    I am trying to connect to a server remotely using the command line client window. I am using MySQL 5.1 and I do not know why I am getting syntax error. If you can help me, that would be much appreciated. username as user password as pass hostname as example.com I have tried: mysql> -u user -h example.com -p ; mysql> -h example.com -u user -p ; I have looked at the reference manual and other verisons of remote connection with Server 5.1 but I can't see the syntax error.

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  • Removing a UIView from its superView and expanding its frame to full screen

    - by Magic Bullet Dave
    I have an object that is a subclass of UIView that can be added to a view hierarchy as a subView. I want to be able to remove the UIView from its superView and add it as a subView of the main window and then expand to full screen. Something along the lines of: // Remove from superView and add to mainWindow [self retain]; [self removeFromSuperView]; [self addSubView:mainWindow]; // Animate to full screen [UIView beginAnimations:@"expandToFullScreen" context:nil]; [UIView setAnimationDuration:1.0]; self.frame = [[UIScreen mainScreen] applicationFrame]; [UIView commitAnimations]; [self release]; Firstly am I on the right lines? Secondly, is there an easily way for the object to get a pointer to the mainWindow? Thanks Dave

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  • Delphi - Create form behind another form.

    - by Clement
    Hi guys, I'm using Delphi 4. I have a main form with a button that dynamically creates a new form. I'd like the new form to be visible, but shows up BEHIND the main form. I've tried calling SendToBack() immediately after FormCreate(). But that makes the window flicker quickly before it's actually sent to back. I've tried making the form invisible, then SentToBack(), then Visible := true. But the new form is still at the front. SendToBack() doesn't seem to work on invisible forms?? Any suggestions? Thanks!

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  • Passing a JavaScript variable to a helper method

    - by Brendan Vogt
    I am using ASP.NET MVC 3 and the YUI library. I created my own helper method to redirect to an edit view by passing in the item's ID from the Model as such: window.location = '@Url.RouteUrl(Url.NewsEdit(@Model.NewsId))'; Now I am busy populating my YUI data table and would like to call my helper method like above, not sure if it is possible because I get the item's ID by JavaScript like: var formatActionLinks = function (oCell, oRecord, oColumn, oData) { var newsId = oRecord.getData('NewsId'); oCell.innerHTML = '<a href="/News/Edit/' + newsId + '">Edit</a>'; };

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  • Magento connect stuck while installing

    - by itsandy
    Hi Everyone, I am facing this problem while installing extensions, themes basically anything from magento connect. When I enter the extension key and click install It just gets stuck and even when it says done and I try and go back on admin page it says "There are PEAR processes running. If you will close the window or navigate away from the page, installation will be interrupted. " Has anyone faced this problem. I am working on ubuntu 9.1 and having magento 1.4. Any help would be highly appreciated. Cheers

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  • WPF texbox focus when render to offscreen buffer

    - by dr.mo
    i am rendering a textbox to an offscreen buffer using RenderTargetBitmap and i want to enter text into this textbox, however, i can't set the textbox focus (using Focus() has no effect - presumably because the canvas is not attached to a real window?) this has two consequenes: 1 the keyboard input doesn't get captured 2. even if i set the text manually using TextBox text and CaretIndex = index i dont get a caret because of the lack of focus. is there a way to make this focus somehow? and if not, i'd like to at least have the caret visible even if there is no focus, but can't see a way of doing this.

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  • Chrome starts to load image then show broken link icon

    - by Clare A Keith Ward
    Chrome (21.0.1180.79 m) On several random pages it has started to load an image and then suddenly the image disappears and there's only the broken image icon. If I right click the icon and choose to open the image in another window then the image opens, so it seems to me that it isn't a problem with the page? Here's one of the pages that it does it on; http://welshjournals.llgc.org.uk/browse/viewpage/llgc-id:1048090/llgc-id:1048951/llgc-id:1048969/get650 I'm running Kaspersky Internet Security 2012 Any help would be appreciated. Thanks Clare

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  • Why is the dictionary debug visualizer less useful in Visual Studio 2010?

    - by Kevin
    I was debugging in Visual Studio 2010, which we just installed and trying to look at a dictionary in the quick watch window. I see Keys and Values, but drilling into those shows the Count and Non-Public members, Non-Public members continues the trail and I never see the values in the dictionary. I can run test.Take(10) and see the values, but why should I have to do that. I don't have VS 2008 installed anymore to compare, but it seems that I could debug a dictionary much easier. Why is it this way now? Is it just a setting I set somehow on my machine? Test code: Dictionary<string, string> test = new Dictionary<string, string>(); test.Add("a", "b");

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  • Fadeout a tiled background image in load using JQuery

    - by user346602
    Hi, I've used JQuery in the past to fade divs in and out successfully. However, I have encountered a situation I can't quite wrap my head around: I am coding a site for a designer who has based the formatting of all the elements on a grid pattern he's created. As he wants the pattern elements to be the same size independent of the browser window, I think I can only do this via a repeating background tiled image in CSS. Now he wants the background pattern (only) to come in dark and fade to very light, while not effecting any of the other elements. Am I right in thinking it's impossible to call a tiled background pattern using a CSS selector? Does anyone have any suggestions of a workaround to this problem?

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  • Twitter @anywhere API problems in firefox only

    - by Brian Scott
    I've implemented a simple example of the Twitter @anywhere api to display user hovercards. The example works great in Internet Explorer and Chrome. However, whenever I the page loads in Firefox I receive the following message in an alert window: To set up @anywhere, please provide a client ID Surely if the results are correct in Chrome and IE then everything must be setup correctly? Here is a simple code block which I've tested recreates the problem in Firefox only: <script src="http://platform.twitter.com/anywhere.js?id=WMg5kRMlIw807lRTsktnNQ&amp;v=1" type="text/javascript" > </script> <script type="text/javascript"> twttr.anywhere(onAnywhereLoad); function onAnywhereLoad(twitter) { twitter().hovercards(); }); </script>

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  • Slide navigation problem multiple div movement

    - by littleMan
    I have almost figured it out but still doesn't quite work the way i want it to. my problem is this part. It scrolls the first element to the left but the second element just appears and doesn't scroll does anyone know what todo here. var i = jQuery('.wikiform .wizard .view').size(); jQuery('.wikiform .navigation input[name^=Next]').click(function () { jQuery('.wikiform .wizard .view').each(function (j) { jQuery(this).animate({ marginLeft: -(current.next().width() * (i - j)) }, 750); /*line above Im having problems with ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ */ current = current.next(); j++; }); }); my complete code down below test it out and see what Im doing wrong (function ($) { $.fn.WikiForm = function (options) { this.Mode = options.mode || 'CancelOk' || 'Ok' || 'Wizard'; var current = jQuery('.wikiform .view:first'); function positionForm() { jQuery('body') .css('overflow-y', 'hidden'); jQuery('<div id="overlay"></div>') .insertBefore('.wikiform') .css('top', jQuery(document).scrollTop()) .animate({ 'opacity': '0.8' }, 'slow'); jQuery('.wikiform') .css('height', jQuery('.wikiform .wizard .view:first').height() + jQuery('.wikiform .navigation').height()) .css('top', window.screen.availHeight / 2 - jQuery('.wikiform').height() / 2) .css('width', jQuery('.wikiform .wizard .view:first').width()) .css('left', -jQuery('.wikiform').width()) .animate({ marginLeft: jQuery(document).width() / 2 + jQuery('.wikiform').width() / 2 }, 750); jQuery('.wikiform .wizard') .css('overflow', 'hidden') .css('height', jQuery('.wikiform .wizard .view:first').height()); } if (this.Mode == "Wizard") { return this.each(function () { positionForm(); //alert(current.next().width()); var i = jQuery('.wikiform .wizard .view').size(); jQuery('.wikiform .navigation input[name^=Next]').click(function () { jQuery('.wikiform .wizard .view').each(function (j) { jQuery(this).animate({ marginLeft: -(current.next().width() * (i - j)) }, 750); current = current.next(); j++; }); }); jQuery('.wikiform .navigation input[name^=Back]').click(function () { }); }); } else if (this.Mode == "CancelOk") { return this.each(function () { }); } else { return this.each(function () { }); } }; })(jQuery); $(document).ready(function () { jQuery(window).bind("load", function () { jQuery(".wikiform").WikiForm({ mode: 'Wizard', speed:750, ease:"expoinout" }); }); }); <style type="text/css"> body { margin:0px; } #overlay { background-color:Black; position:absolute; top:0; left:0; height:100%; width:100%; } .wikiform { background-color:Green; position:absolute; } .wikiform .wizard { clear: both; } .wizard { position: relative; left: 0; top: 0; width: 100%; list-style-type: none; } .wizard .view { float:left; } .view .form { } .navigation { float:right; clear:left } #view1 { background-color:Aqua; width:300px; height:300px; } #view2 { background-color:Fuchsia; width:300px; height:300px; } </style> <title></title></head><body><form action="" method=""><div id="layout"><div id="header"> Header </div> <div id="content" style="height:2000px"> Content </div> <div id="footer"> Footer </div> </div> <div id="formView1" class="wikiform"> <div class="wizard"> <div id="view1" class="view"> <div class="form"> Content 1 </div> </div> <div id="view2" class="view"> <div class="form"> Content 2 </div> </div> </div> <div class="navigation"> <input type="button" name="Back" value=" Back " /> <input type="button" name="Next " class="Next" value=" Next " /> <input type="button" name="Cancel" value="Cancel" /> </div> </div>

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  • fb.init events when initialized

    - by oshafran
    Hi I have this code window.fbAsyncInit = function() { FB.init({ appId: 'balblablablbal', status: true, cookie: true, xfbml: false }); }; (function() { var e = document.createElement('script'); e.src = document.location.protocol + '//connect.facebook.net/en_US/all.js'; e.async = true; document.getElementById('fb-root').appendChild(e); } ()); I would like to do something only after those JSs have been loaded (i.e. hook on FB.init event) How can I do that thanks

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  • set div position to fixed after scrolling 100px?

    - by user1481850
    I tried to use the following function in order to set the div's position to 100 px from top after scrolling 100 px. <script src="http://code.jquery.com/jquery-latest.js"></script> <script type="text/javascript"> $(window).scroll(function(){ $("#header").css("top",Math.max(0,100-$(this).scrollTop())); }); </script> <div class="header" style="position:fixed;top:100px;background-color:red">something</div> it is not working(the div stick to it's fixed position). it seems that the function is not relating to the div. what is my problem ?

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  • The document.body.innerHTML.replace() replaces the url in the address bar.

    - by divya
    I am trying to make an extension as part of which i want certain words in the web pages to be highlighted. The document.body.innerHTML.replace() replaces the url in the address bar as well. So the moment this code gets exwecuted the page doesnt get loaded properly.. Is there a way around this problem? onPageLoad: function(aEvent) { var doc = aEvent.originalTarget; var str="the"; var regex; var regex = new RegExp(str, "g"); doc.body.innerHTML = doc.body.innerHTML.replace(regex,'<b>'+str+'</b>'); } The listener is registered as follows in a browser.xul overlay: window.addEventListener("load", function() { myExtension.init(); }, false); var myExtension = { init: function() { var appcontent = document.getElementById("appcontent"); // browser if(appcontent) appcontent.addEventListener("DOMContentLoaded", myExtension.onPageLoad, false); },

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  • How can I trigger an image load by clicking other element rather than the image itself (Lazy Load jQuery plugin)?

    - by janoChen
    In the Lazy Load plugin's documentation (A jQuery plugin that loads images only when an event occurs) says: Event can be any jQuery event such as click or mouseover. You can also use your own custom events such as sporty or foobar. Default is to wait until user scrolls down and image appears on the window. To prevent all images to load until their grey placeholder image is clicked you could do: $("img").lazyload({ placeholder : "img/grey.gif", event : "click" }); In this case is clicking the image, but how can I trigger the image load by clicking other element rather than the image itself (say an anchor link/button)?

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  • manually create a plot frame in R

    - by tfarkas
    I need to control the style of a basic xy plot in R, and so have build the plotting area like this: frame() plot.window(xlim=c(0,1), ylim=c(-.6, .8)) axis(1, at=c(0, .2, .4, .6, .8, 1.0), lwd=2) axis(2, at=c(-.6, -.4, -.2, 0, .2, .4, .6, .8), lwd=2) I cannot, however, figure out how to create a physical frame around this plot (with lwd = 2). Is it possible (necessary?) to use line() or polygon()? Or is there something more built-in for this? I'm also interested in how to change the frame and axis weights for a plot created using the plot() function.

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  • How do Ruby and Python implement their interactive consoles?

    - by sxa
    When implementing the interpreter for my programming language I first thought of a simple console window which allows the user to enter some code which is then executed as a standalone program as a shell. But there are severe problems: If every line of code the user enters is handled as a standalone program, it has to go through the tokenizer and parser and is then just executed by the interpreter - what about functions then? How can the Python/Ruby interactive consoles (IDLE, irb) "share" the code? How is the code entered handled? Example: >> def x: >> print("Blah") >> >> x() Where is the function stored so it can be called at any time again? How can the interactive console take everything entered as obviously one program without executing everything over and over again?

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  • Strange CSS Positioning issue with a fader on a responsive site

    - by EPICWebDesign
    I'm developing a prototype responsive wordpress theme version of my homepage. I'm running into issues with the fader on the homepage. http://dev.epicwebdesign.ca/epicblog/ When the image switches, it uses position:absolute to overlay the pictures, then goes back to position:relative. I need to make the absolute be relative to the bottom left corner of the menu instead of the top left corner of #wrap so it doesn't overlap. I tried putting it in a container div like this: http://wiki.orbeon.com/forms/doc/contributor-guide/browser#TOC-Absolutely-positioned-box-inside-a-box-with-overflow:-auto-or-hidden but that doesn't seem to work. Any ideas? There are major CSS compatibility issues in IE, try it in chrome. It should look similar to http://epicwebdesign.ca. When the browser window is shrunk horizontially, the whole theme compensates.

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  • Loading UINavigationController from another nib automatically by UITabBarController

    - by porneL
    I think I've found the cause: Document Info window in IB has a warning: "'Selected Navigation Controller (Second)' has nib name property set to 'SecondView.nib', but this view controller is not intended to have its view set in this manner." Bummer. I've built nib in Interface Builder that has UITabBarController at top level and switches between UINavigationControllers. It works fine when everything is in a single nib file, but I'd like to use separate nib files for UINavigationControllers. Starting with Apple's TabBar template, if I just change class of SecondView to UINavigationController, it all breaks: and all I get is this: Is it possible to have separate file for UINavigationController without programmatically setting everything? I would like TabBarController to handle loading and unloading of nibs.

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  • How do you determine when an object is drawn on-screen in OpenGL?

    - by Harry
    I'm extremely new to OpenGL. I'm writing a program that displays flying text on screen. I need to know when certain text string appears (drawn) onto the screen and are visible to the user. The program needs to identify which text strings are displayed. At first, I started to think that I could use OpenGL's picking mechanism, but so far I've only seen examples where the selection area is focused on some sort of user interaction. I want to know what objects are displayed on the entire window area. This leads me to think I'm on the wrong track... Am I missing something? Any suggestions are welcome.

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  • Setting Back Button Tittle in Navigation Controller problem

    - by Rafael
    Hi, I'm trying to change Back Button tittle in a navigation controller in the following way: In the parent controller I put this in vieDidLoad: self.title = @"Calendars"; self.navigationItem.backBarButtonItem.title = @"Previous"; But this controller is in the stack since I initialized the app: -(void)applicationDidFinishLaunching:(UIApplication *)application{ navController.viewControllers= [NSArray arrayWithObjects:aController,aBcontroller,nil]; [window addSubview:navController.view]; } So, the viewDidLoad in aController is not called until I select the back buttom the first time in the bController... Does anyone knows how to call viewDidLoad just when I push it into the stack? Or do you know another way to change the BackButtom title? Thanks in advanced for your help.

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  • OpenNETCF.Net.Ftp Behaving Flaky

    - by gnomixa
    I tried posting on their boards (authors of this library), however it literally takes months for them to reply when it comes to the free software (can't blame them). But anyways I have found that this library is behaving weirdly - for instance, a major problem with my application is when someone is trying to sign in (through FTP), they provide a correct login and mistype the password, no reply is received from FTP server. I tried doing the same from command window just to verify that it's not the FTP server's fault; and FTP commands were received instantaneously. It almost looks as though this library eats the commands. The same actions often times will yield different results. Can anyone recommend a stable, reliable library to use with Compact framework? Or shed some light on this issue...?

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  • Netbeans GUI editor problems

    - by RenegadeAndy
    Hey guys. Im making a portion of my app using the netbeans gui editor. Great so far. However ive added a new checkbox - and when i load the panel in my app the text attribute isnt shown...its just blank as if i have no caption on it... all the other ones display - so this is very annoying. It kind of seems that I have hit the limit on gui items or something, becasue any new items I add I cannot seem then, If i add new labels they dont show either :S! The other problems Im having are that the size of the window im editting appears to be fixed - every time i change it, it jumps back to the same size - how do i stop this from happening? Cheers Andy

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