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• Can anyone explain why this behaviour might be happening in Windows Forms?

  - by gizgok

  I'm developing a Windows Forms Application. See attached image for the Interface. Now I've put a close button (X) in the Panel(say Panel2) which has Application Constants as label.The first combo box is in another panel(say Panel1). Now when I click on the X button in Panel 2 I want the Panel to be invisible and the combo box text to be blank. Simple enough. So I write Panel2.visible=false; comboBox1.SelectedIndex=-1; When I click on X, the text in combo box goes blank, then I have to click again for the Panel2 to go invisible. Then I changed the sequence comboBox1.SelectedIndex=-1; Panel2.visible=fasle; and this works smooth. Not sure why this might be happening? Is there anything that I might be doing with my form design/code to have such a behaviour?

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• Bugs in scroll-follow with Google map (Firefox and Safari)

  - by earlyriser

  A scroll follow effect is when a part of the web design is always visible, even when the window is scrolled. There are animated and static versions of this. The animated is ok http://robertomartinez.info/cobra/index.html But I prefer the fixed version, however I have some bugs: http://robertomartinez.info/cobra/index_fixed.html -In Firefox, when you scroll the page, you will see a kind of vertical cut in the lorem ipsum text (below the HERE indication). This is caused by the image tiles of the map, then if you drag and drop the map, the cut will appear in another side. -In Safari, when you scroll the page, the div follows, but the map images stay in the same position. Do you have solutions for theses issues? Thanks.

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• How to calculate a point with an given center, angle and radius?

  - by mystify

  In this SO question, someone asked for calculating an angle from three points. I need to do the opposite thing. I want to draw a clock, and I have tiny tick images. An art dude made 60 of them, each with an individual and accurate shadow. So there are 60 distinct images at 10x10 points in size, already correctly rotated in the center of that square. So every 6 degrees one tick image has to be placed. I would just need to calculate the x/y coordinate based on a center point, an radius and an angle. So I have: an center point an radius an angle Is there an easy way to calculate the x/y coordinate with this? Maybe cocoa-touch already has a useful function or method for this?

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• overlay items from mysql

  - by user1285471

  I have several locations in tables in a mysql database which i want to have displayed as POI's, the table is too large and changes too frequently to use sql lite so i need to get the info from mysql. I have set up a mapView indicating the device location in mapview using an image at drawable, but i now need to ad the other locations from the database. Then when a user clicks on an item i need a popup with options to route there using google maps navigation, or view mobi site, phone, or email. I am new to android. Please assist. Have gone through the overlay tut but no indication on how to get the info from db. Is there a tut somwhere so i can see some example code to do this?

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• A basic animation not showing up

  - by Rilakkuma

  I still try different basics with android, and now I'm stuck with animation. I'm trying to implement a simple animation. I've defined animation in xml file like this: alpha android:interpolator="@android:anim/accelerate_interpolator" android:fromAlpha="0.0" android:toAlpha="1.0" duration="3000" repeatCount="infinite" In my main view group I have an ImageView defined like this: <ImageView android:id="@+id/someb" android:src="@drawable/earth_normal" android:layout_width="wrap_content" android:layout_height="wrap_content" android:padding="5dip"/> And this is from my starting activity class: public class Ohayou extends Activity { @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); ImageView earth = (ImageView)findViewById(R.id.someb); Animation earthFadeInAnimation = AnimationUtils.loadAnimation(this, R.anim.fade_in); earth.startAnimation(earthFadeInAnimation); } It finds ImageView successfuly and creates animation. but when I start emulator ImageView just shows the original src image, not an animation. What am I doing wrong? Thanks

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• mysql - check if data exists across multiple tables

  - by Dd Daym

  I am currently running this query inside MySQL to check if the specified values exists within the table associated with them. SELECT COUNT(artist.artist_id), COUNT(album.album_id), COUNT(tracks.track_id) FROM artist, album, tracks WHERE artist.artist_id = 320295 OR album.album_id = 1234 OR tracks.track_id = 809 The result I get from running this query is all 1, meaning that all the statements after the WHERE clause is true. To further check the query's reliability, I changed the tracks.track_ = 809 to 802, which I know does not match. However the results displayed are still all 1, meaning that they were all successfully matched even when I purposefully inserted a value which would not have matched. How do I get it to show 1 for a match and 0 for no matches within the same query? EDIT: I have inserted an image of the query running

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• How can I link in both remote and local assets into a webview?

  - by Greg

  I'm loading HTML-formatted content into my app from a web service, then plugging that into a local HTML template that lives within the app. Now, I need to set the UIWebView's BaseURL to point at the remote server so that all relative image links will load. However, I'm also trying to link in some local assets (CSS, JavaScript). Thus far, I have not found any documentation on how to link in local assets without relying on the UIWebView's baseURL. I've tried injecting the absolute file path of my CSS and JS into my HTML template, but it hasn't worked... I don't know if that means that it doesn't work, or if I'm just doing it wrong. Has anyone ever run into this scenario, and if so, how did you address it? Thanks in advance, I really appreciate any tips!

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• Objective-C: how to allocate array of GLuint

  - by sashaeve

  I have an array of GLuint with fixed size: GLuint textures[10]; Now I need to set a size of array dynamically. I wrote something like this: *.h: GLuint *textures; *.m: textures = malloc(N * sizeof(GLuint)); where N - needed size. Then it used like this: glGenTextures(N, &textures[0]); // load texture from image -(GLuint)getTexture:(int)index{ return textures[index]; } I used the answer from here, but program fell in runtime. How to fix this? Program is written on Objective-C and uses OpenGL ES.

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• hidden style affecting links in table?

  - by Rudiger

  In a table of mine I have the table header, th which have two separate links in each cell. Each of them wrap to a new line which I don't want. If I remove all the style sheets it doesn't fix it. If i disable style sheets in the browser it fixes it but there are no inline styles that would cause the wrapping. If they are non-hyperlinked words they don't wrap. If i use the td tag it doesn't fix it either. There is too much code all over the shop to post but all I want is in a th cell a word with an image next to it with a different hyperlink. Hope that makes sense

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• Add page item to either Joomla, Drupal or Wordpress

  - by HP

  I just want to design this very simple website. Basically there are multiple pages A, B, C... and each page has item A1, A2.. or B1, B2... These items follow fixed HTML template (table,image) and only specific content fields (name, body text..) can be change in the back-end. Backend users can add new pages or new items each page. Does anyone know some plugin for either Joomla, Drupal or Wordpress that can do the simple purpose above? Thanks

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• Pass a class as a parameter?

  - by JuBu1324

  I have been lead to believe that it is possible to pass a class as a method parameter, but I'm having trouble implementing the concept. Right now I have something like: - (id)navControllerFromView:(Class *)viewControllerClass title:(NSString *)title imageName:(NSString *)imageName { viewControllerClass *viewController = [[viewControllerClass alloc] init]; UINavigationController *thisNavController = [[UINavigationController alloc] initWithRootViewController: viewController]; thisNavController.tabBarItem = [[UITabBarItem alloc] initWithTitle: title image: [UIImage imageNamed: imageName] tag: 3]; return thisNavController; } and I call it like this: rootNavController = [ self navControllerFromView:RootViewController title:@"Contact" imageName:@"my_info.png" ]; What's wrong with this picture?

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• How to secure images with Rails?

  - by NotDan

  I have a gallery in my rails app that needs to only allow certain images to be shown to specific, logged in users. I am using Paperclip for image processing now, but it saves all images in a public folder available to anyone. Note that I don't have to use Paperclip if there is a better way, and I already have the login system in place. I just need a way to place the images in a non-public location, but still be able to serve them as needed. Is it possible to only allow these images to be served to authenticated users?

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• Converting a Matrix to a grid of colors

  - by Zach

  I'm currently making a console application in C# (will be going to a Windows Form application in the future. Sooner if needed). My current objective is to have a matrix (current size 52x42) be exported as an image (bitmap, jpeg, png, I'm flexible) where each value in the matrix (0, 1, 2, 3) is portrayed as a white, black, blue, or red square of size 20px x 20px with a grid 1px wide seperating each 'cell'. Can this even be done in a console application, and if so how? If not, what would I need to get it working in a Windows Form application?

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• Stubborn UIButton

  - by Mike

  I have a UIButton that is supposed to be disabled during certain phases. So, when this happens I do [myButton setEnabled:NO]; This is perfect because the button stays grayed and if clicked will not trigger its action, but... when the button is clicked even grayed, it enables again and a second click will trigger its actions (???????!!!!!!!!!!). How can that be? If the button is disabled it is supposed to be "part of the background", i.e., an image without any action. I have tried to make the button vanish using alpha but even if you click on the empty spot, it reappears after the first click and then can trigger actions after the second click... (????) Am I missing something?

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• Is there any example code explaining how to change Facebooks API existing code to make it yours?

  - by Naeim

  FBStreamDialog* dialog = [[[FBStreamDialog alloc] init] autorelease]; dialog.delegate = self; dialog.userMessagePrompt = @"Example prompt"; dialog.attachment = @"{\"name\":\"Facebook Connect for iPhone\"," "\"href\":\"http://developers.facebook.com/connect.php?tab=iphone\"," "\"caption\":\"Caption\",\"description\":\"Description\"," "\"media\":[{\"type\":\"image\"," "\"src\":\"http://img40.yfrog.com/img40/5914/iphoneconnectbtn.jpg\"," "\"href\":\"http://developers.facebook.com/connect.php?tab=iphone/\"}]," "\"properties\":{\"another link\":{\"text\":\"Facebook home page\",\"href\":\"http://www.facebook.com\"}}}"; // replace this with a friend's UID // dialog.targetId = @"999999"; [dialog show]; Is there any example code explaining how to change Facebooks API existing code to make it yours? i want to change http://img40.yfrog.com/img40/5914/iphoneconnectbtn.jpg to http://img40.yfrog.com/img40/5914/%@.jpg //... , %mystring

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• What are some ways to identify a logged in user on the web?

  - by farinspace

  Here is the scenario: There are 5 websites (different domain names) that need to share a session. I am using a bit of code on each site which returns a "blank.gif" image and at the same time sets the session (syncing it up to the current session). Each of the sites calls a session-img from each of the other sites. Also, all sites have access to the same database (where the session is stored). This works great on FF and Chrome, but not on IE (or Safari PC)... I need to come up with an alternative method to keep a session active? The app is a small custom CMS, so really only 2-3 people will be using it. I can probably identify user logins by IP and then continue to check for the IP accross all sites... Is there something more granular such as a computer uuid that i can check for?

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• jQuery fadeTo not working in IE8

  - by Lynda

  I have a div fading in using fadeTo. It works great in Firefox and IE9. It does not work in IE8. Here is my code: JS: var $j = jQuery.noConflict(); window.onload = function(){ $j('#fadein').fadeTo(6000, 1, function() { }); }; HTML <div class="img-center" id="fadein" style="opacity:0;"> <img src="src.jpg" alt="Text" class="feature-image" /> </div> How do I get this to work in IE8? I do not mind changing from fadeTo to fadeIn or some other method of fading in a div as long as it works in IE8.

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• Icons in Silverlight: Images vs. Vectors

  - by Shnitzel

  I like using the vector drawing feature of Expression Blend to create icons. That way I can change colors easily on my icons without having to resort to an image editor. But my question is... Say I have a treeview control that has an icon next to each tree element and say I have hundreds of elements. Do you think using images is faster - performance wise than using vector icons? B/c I'd rather use vectors but I'm wondering about performance concerns.

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• Problem loading js content with ajax

  - by Justin Goodman

  I have a page that loads content into a single div via a script in the page. It works fine but the problem is that I have a lightbox in one of the dynamically loaded pages that only works the first time you navigate to it (the script I got for the page loading is found here). Once you navigate to another area, then back again, the lightbox fails to work and instead just loads the plain image. It's been suggested that the easiest way to fix this would be to have a script unload the js and css that is loaded in with the page, then reload it when you go back to the gallery section. I'm a designer, not a developer though, so I don't know if this is true or not. Any help is really appreciated. The page can be found here: justgooddesign.net/graduation/

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• Constructing a regular expression to wrap images with <a>

  - by bobo

  A web page contains lots of image elements: <img src="myImage.gif" width="180" height="18" /> But they may not be very well-formed, for example, the width or height attribute may be missing. And it also may not be properly closed with /. The src attribute is always there. I need a regular expression that wraps these with a hyperlink having href set to the src of the img. <a href="myImage.gif" target="_blank"><img src="myImage.gif" width="180" height="18" /></a> I can successfully locate the images using this regexp in this editor: http://gskinner.com/RegExr/: <img src="([^<]*)"[^<]*> But what is the next step?

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• Access to bytes array of a Bitmap

  - by Deulis

  1- In Windows CE, I have a Bitmap object in C#. 2- I have a C function in an extern dll that expects as parameters the pointer to a bytes array that represents an image in RGB565 format, width and height. This function will draw on this array of bytes. So I need to pass the byte array pointer of the Bitmap object, but I can find a practical way to get this pointer. One way is convert this Bitmap into a bytes array using a memory stream or something else, but it will create a new bytes array, so I will keep in memory both object, the Bitmap and the bytes array, but I don’t want it because the few available memory, that’s why I need to access to the bytes array of the bitmap object, not create a new bytes array. Anyone can help me?

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• Jquery prettyPhoto and star conflict....DOM not loading?

  - by Dustin

  I'm working on an online ordering system for photography clients: Here. (Forgive the requirement of having to sign in). After signing in, the user is able to rate pictures using the stars listed below each picture, then subsequently view 3 star pics, or 4 star pics, etc. However, when the user clicks on an image, a lightbox expands (prettyPhoto namely) which contains the picture as well as the stars listed below. I want users to be able to star a picture within the lightbox, but the javascript is not being passed after the prettyPhoto lightbox is initialized. Consequently, they can't rate pictures within the lightbox. I've heard of something similar to this, but have no idea about how to go about tackling the problem. Any help would be appreciated. Thanks!

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• How to create a splash activity , call a second activity via a button, simple data form 5 fields and 2 buttons

  - by Mike

  New to Android need help with one solid build that I can refer to and study for future projects. The first activity is a background image with a button,when clicked the it takes you to the second activity which is a form with 5 data fields and 2 buttons. One button calls an intent to take a picture within the app and one button that submits the data from the form along with the picture to URL. lastly a third activity that says complete thank you. I can make some of this but don't know how to link button or open and merge camera with the app to be sent as a package of data. I suppose I could also hook into GPS acquire location as well as the camera call?

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• jquery custom drag and drop

  - by samlochner

  I am trying to create functionality similar to drag and drop. I need to create my own as there will be some significant differences to the drag and drop in the jquery UI. I would like to have mousemove being called repeatedly at all times, and mousedown called every time the mouse is pressed. So I have the following code: $(document).bind('mousemove',function(e){ $("#coords").text("e.pageX: " + e.pageX + ", e.pageY: " + e.pageY); }); $(document).bind('mousedown',function(e){ }); ('coords' is the id of a div) As I move the mouse, coordinates are reported correctly in 'coords'. If I depress a mouse button and then move the mouse, coordinates are still reported correctly. But if I depress a mouse button on an image and then move the mouse, coordinates are reported correctly for a few sets, and then they seize up! Why is this happening and how can I fix it? Thanks, Sam

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• [JS] How to manipulate a PHP Array in javascript?

  - by rasouza

  I have an Array in PHP which contains data from database. And it prints out also as a table in the same page which has an AJAX delete function. Trying to explain better The array contains debt sums related to many people, it is the application's main function. In the same page, there is a table containing every debt record related to the array, which can be deleted or edited using AJAX. I have coded the part of deleting the record and removing the TR entry, but it's not enough: I'd like to change also the debt sum using AJAX which is an PHP Array. What I have I have the JS function which removes the TR when the delete button is clicked // TR Fading when deleted $('.delete') .click(function() { $.ajax({ type: 'GET', url: 'history/delete/id/'+$(this).attr('id') }); $(this).parent().parent().fadeOut(); return false; }); and I have the PHP array (image)

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