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• Best method for Flex to PHP communication?

  - by davr

  What is the best method for communication between Flex and PHP? In the past, we used AMFPHP with AS2, and it worked great for the most part (advantage of AMFPHP is that it also has a JSON mode that can let you seamlessly use the same remote PHP with either Javascript or Actionscript frontends). However, it seems like AMFPHP isn't realy maintained anymore. So what do people recommend to replace it? So far, what I've found is: Zend_AMF (looks too complex for us, we're not using the Zend framework otherwise) AMFPHP (there were some updated made to support Flex, and it seems fairly stable, but not sure on long-term support) XML (AS3 has nice XML handling routines, but it's more of a pain on the PHP side) WebORB (I have no experience with this) Roll-our-own using JSON or some other data-to-text serialization system (php's serialize(), XML, etc etc) Mostly I'm leaning towards AMFPHP, even because of the downsides, since that's what I'm used to. Any reason I should consider switching to something else?

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• Gantt Chart online

  - by Luca

  I need to insert a horizontal bar chart in a web page. The thing I have to do is very similar to a Gantt Chart. I'd like to use a javascript library for the purpose. I tried jsgantt, but actually it is not very beautiful. I could evaluate also a server generation of the graph. In case my server side language is Python. It will be part of an internal project with no internet access, so Google Charts isn't an option.

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• How to make my iPhone app compatible with iOS 4?

  - by Davide

  Hello, My iphoneos 3.1 based application is not working on iOS 4 GM: the camera is not showing in full screen, it doesn't correctly detects compass information, the uiwebviews doesn't respond to touches (they don't scroll), and so on. It's completely broken! Now my question is: how can I develop an update using the latest xcode with support for ios 4? The latest iOS 4 xcode (3.2.3) doesn't provide any way to develop for iPhoneOS 3.x ("base sdk missing"). By the other side, xcode 3.2.2 would not allow me to debug it on a iOS 4 device, so I can't test it.

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• Entity Relationship diagram - Composition

  - by GigaPr

  Hi, I am implementing a small database(university Project) and i am facing the following problem. I created a class diagram where i have a class Train {Id, Name, Details} And a class RollingStock which is than generalized in Locomotive and FreightWagon. A train is Composed by multiple RollingStock at a certain time(on different days the rolling stock will compose a different train). I represented the relationship train - rolling stock as a diamond filled (UML) but still I have a many to many relationship between the two tables. so i guess i have to create an additional table to solve the many to many relationship train_RollingStock. but how do i represent the Composition? Can i still use the filled diamond? If yes on which side? Thanks

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• silverlight 3.0 communication with winforms

  - by abusemind

  I would like to create a winform on the client side for interaction with Silverlight 3.0. The basic idea is using the winform browser. I definitely need both the directions of communication. Would it be impossible by using JavaScript as a midware for the interaction or some better ways? Or is there any new features of Silverlight 3.0 supported for this kind of winform application communication? The original one is one the client's browser to run but now I would like to migrate it to the winform application. For the sake of time-saving, please don't mention about the WPF because of the gap between WPF and the Silverlight.

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• Websockify to wrap a forking server

  - by Gurjeet Singh

  I came across Websockify [1] and the accompanying Websock client-side javascript library. AIUI from the Wrap a Programsection in README, Websockify can help you launch a TCP server and rebind its port so that incoming Websockets-based communication is parsed and forwarded to the server on the proper (rebinded) port. My question is, can this mechanism be used to wrap a server that forks its children which in turn communicate with the client on a different port. Specifically, I am interested in websockifying a Postgres server, which typically listens on port 5432 and for a new incoming connection it forks a child which serves all future request from that client. (If it helps, Oracle RDBMS and many other servers, RDBMS or not, also use similar method.) [1] https://github.com/kanaka/websockify

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• CSS Files Don't Refresh with Wicket (Launched in Intellij via Start.java)

  - by Scanningcrew

  I have create a skeleton Wicket project using mvn archetype:create -DarchetypeGroupId=org.apache.wicket -DarchetypeArtifactId=wicket-archetype-quickstart -DarchetypeVersion=1.4-rc4 -DgroupId=com.mycompany -DartifactId=myproject All the configuration/importing new project with Maven/Intellij worked fine. I proceeded to add a basic CSS file to my start page, per the following recommended way of doing it in Wicket 1.4 public class BasePage extends WebPage { public BasePage() { add(CSSPackageResource.getHeaderContribution(BasePage.class, "main.css")); } } The main.css file has been put along side BasePage.java and BasePage.html in /src/main/java. I launch the application with Start.java. The problem is when I make changes to the CSS file it is not being picked up when I relaunch Start.java. (Changes to the java and html files are being updated when I change them) I made sure the browser cache was being cleared, and even valided the request/response in Firfox/Firebug. It seems like somewhere between Wicket's magic and the jetty instance Start.java creates the CSS file is being cached and not updated. Any ideas?

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• iPhone in App purchase : Working but Not

  - by Vimal Jain

  Hi, I have added in App purchase functionality within my application. We have tested it successfully on iPhone (in sandbox mode). After successfully testing, we sent the application for final testing to tester situated at other country. In strange case, the tester is not able to test in App purchase functionality. He is getting "Invalid Product Id" error. We are giving same build to tester which is working perfectly at our side. The whole application is working perfectly except in app purchase functionality. If any guesses. Thanks, Vimal Jain.

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• Storable Geocoding/reverse Geocoding services

  - by Marcus

  Im currently looking into an easy way to query and store Latitude/Longitude for a given address. There are a plentitude of services out there, but none actually allows me to store the data I retieve (i.e. Google Maps API TOS, Yahoo! Maps API TOS). As I wan't to use them for a distance search I can't really query the data on the fly. Are there any services that acutally allow to store the location you get for an adress? And I want to do it more or less worldwide. (As a side question, I might need the other way around soon, getting from latitude/longitude to an address or place name, but this falls under the same terms as the above).

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• Uploadify works for Visual Studio but not for IIS 7(same machines), using Forms authentication. Doe

  - by Marc

  I'm using the Uploadify jQuery control for client-side uploads. I think my IIS 7 configuration has issues with it. The uploadify POST immediately returns a HTTP 1.1 302 Found, back to my login page. I've tried to allow anonymous access to the uploading section(subfolder) plus the page(script) that processes the image in the web.config, using the location node(configuration ... location). Seems like the Uploadify post is immediately blocked. Again, this worked fine just using Visual Studio 2008, but when I run the site on the same machine I get the redirect. Your thoughts/ideas are very welcomed!

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• How to get crossSlide and lightbox2 working together on the same page.

  - by imHavoc

  (CrossSlide) (LightBox) This is my header: <script type="text/javascript" src="<?php echo ROOT.'sources/js/jquery.js'; ?>"></script> <script type="text/javascript" src="<?php echo ROOT.'sources/js/contentSlider/jquery.cross-slide.js'; ?>"></script> <link rel="stylesheet" href="<?php echo ROOT.'sources/css/lightbox.css'; ?>" type="text/css" media="screen" /> <script type="text/javascript" src="<?php echo ROOT.'sources/js/lightbox/prototype.js'; ?>"></script> <script type="text/javascript" src="<?php echo ROOT.'sources/js/lightbox/scriptaculous.js?load=effects,builder'; ?>"></script> <script type="text/javascript" src="<?php echo ROOT.'sources/js/lightbox/lightbox.js'; ?>"></script> This is my body: <script type="text/javascript"> $(function() { $('#imgHold').crossSlide({ sleep: 3, fade: .5 }, [ { src: 'images/featured/ftcont_img1.png' }, { src: 'images/featured/ftcont_img2.png' }, { src: 'images/featured/ftcont_img3.png' }, { src: 'images/featured/ftcont_img4.png' } ]); }); </script> <div id="ftIMG"><div id="imgHold">Loading...</div></div> I don't have anything using the lightbox script on this page. But I want the keep the script in the header so in PHP I only have to call up 1 header. The LightBox "manual" said to add "initLightbox(); to the onload attribute on the body tag, so I did that and nothing changed. Now I also read somewhere else about a (jQuery.no-conflict), im wondering if this would be the way to proceed. Or if there is another way to fix this problems. Also, if I want to use (ThickBox3.1) on the same page with everything else. Would it be possible, and how to do so exactly? Also, sorry guys about not posting them up as links, apparently new users are not allowed to post up more than 1 link.

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• jQuery/AJAX type-ahead/auto-complete

  - by Prasad

  I have read several articles/questions/forums discussing the best auto-complete plugin for jQuery. After trying several good ones, I've realized a flaw in most. If you are looking up countries and type 'In', a couple of countries show up. If you continue typing I-n-d-i-a, this results in 5 AJAX calls (see http://www.freeimagehosting.net/uploads/6f1bcd69e1.png) its quite natural that India is a subset of In, so why call again? We need to simply filter the retrieved list client-side. Anyone knows about such an implementation? What is the status of the Jquery Autocomplete feature? I read at StackOverflow that it is no longer available with Jquery; but the Jquery website has a 'New' mark besides the link to Autocomplete. Thanks

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• Concrete Types or Interfaces for return types?

  - by SDReyes

  Today I came to a fundamental paradox of the object programming style, concrete types or interfaces. Whats the better election for a method's return type: a concrete type or an interface? In most cases, I tend to use concrete types as the return type for methods. because I believe that an concrete type is more flexible for further use and exposes more functionality. The dark side of this: Coupling. The angelic one: A concrete type contains per-se the interface you would going to return initially, and extra functionality. What's your thumb's rule? Is there any programming principle for this? BONUS: This is an example of what I mean http://stackoverflow.com/questions/491375/readonlycollection-or-ienumerable-for-exposing-member-collections

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• Use a "x-dom-event-stream" stream in javascript ?

  - by rnaud

  Hello, HTML5 draft contains an API called EventSource to stream data (notifications) trough javascript using only one server call. Looking it up, I found an exemple on Opera Labs of the javascript part : document.getElementsByTagName("event-source")[0] .addEventListener("server-time", eventHandler, false); function eventHandler(event) { // Alert time sent by the server alert(event.data); } and the server side part : <?php header("Content-Type: application/x-dom-event-stream"); while(true) { echo "Event: server-time\n"; $time = time(); echo "data: $time\n"; echo "\n"; flush(); sleep(3); } ?> But as of today, it seems only Opera has implemented the API, neither Chrome nor Safari have a working version (Am I wrong here ?) So my question is, is there any other way in javascript, maybe more complex, to use this one stream to get data ?

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• jQuery closing pop-up after successful form submit

  - by RyanP13

  Hi, I have a pop up form that i wish to close on successfull submit of the form. Currently we are only validating on the server side which will create an unordered list of validation errors with the class .error_message. Once the form has been successfully submitted i want to close the window. Currently the jQuery i am using for this is as follows but does not work because the first time the form has been submitted the number of error messages will always be zero. $(document).ready(function() { $('form#emailQuote').submit(function() { var $emailErrors = $('form#emailQuote ul.error_message').length; alert($emailErrors); if ($emailErrors == 0) { //window.close(); alert('no errors'); } else { //alert('errors'); alert('errors'); } }); });

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• Blank Pages with Zen Cart v1.3.8 and PHP 5.3

  - by Michael Soriano

  I am trying to run a live Zen Cart store (version 1.3.8) on a my local machine which is PHP 5.3. I am aware of the incompatibilities between both versions and have dealt with it by applying the patch found here: http://www.zen-cart.com/forum/showthread.php?t=140960 I am able to login the admin side no problem, but when i navigate to the store - all i see are blank pages. How can I fix this issue? I'm hoping there is a fix elsewhere. Trying not to revert to an older PHP installation.

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• find the position of the cursor where user have clicked and display one div where user have clicked.

  - by Avinash

  Hi all, I want to determine the position of the cursor where user have clicked. And display one div at bottom side of the page where user have clicked. For example on stack over flow home page if some one click on the logo. Then the div should be displayed at the bottom position of the logo. Same way if i click on the bottom link then that div should be displayed at the bottom portion of the page. I am using mootools as my JS framework. But any JavaScript code will be helpful for me. Hope this is clear to all. Thanks in advance Avinash

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• MS Access Draw line around detail section that can grow

  - by LanguaFlash

  This really shouldn't be hard, I just can't figure out how to do it. I am making a proposal report that needs to have a border around it. The problem is to get the vertical lines on the side. I can't figure out how to get a line to grow and shrink based on the height of the detail section. I have used Crystal reports and sure wish Microsoft would learn a few things in regards to MS Access report writing! I am very comfortable with VBA so have no fears there. :-) Thanks, Jeff

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• WPF DataGrid - Can't Use Mouse To Scroll Because Of Drag Drop

  - by OrPaz

  Hello, I am using a datagrid that is allowing to drag its rows. My problem is that when i try to scroll down on my grid using the mouse on the side scroller, i get the 'no enterance' sign that means that "drag and drop is not allowed here, dude...". How can i modify my drag and drop function to recognize that this is not a drag and drop action, but a scroll mouse action? private new void MouseMove(object sender, MouseEventArgs e) { if (e.LeftButton == MouseButtonState.Pressed) { Point currentPosition = e.GetPosition(GridUC); Object selectedItem = GridUC.SelectedItem; if (selectedItem == null) return; DragDropContainerObject ddObject = new DragDropContainerObject(typeof(Actor), selectedItem); DataGridRow container = (DataGridRow)GridUC.ItemContainerGenerator.ContainerFromItem(selectedItem); if (container != null) { DragDropEffects finalDropEffect = DragDrop.DoDragDrop(container, ddObject, DragDropEffects.Link); } } }

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• Visual Studio 2008 Add-in: App.config and web services.

  - by Morgeh

  I have created a visual studio add-in for VS2008. The add-in uses as web service to access data required by the developer. However, currently the only way to get the service to work is to add the service bindings to the machine.config of the pc. I know this is a bad idea and its causing errors left and right in my other applications. I have tried using app.config along side my add-in but the add-in doesn't seem to use it at all. My service call is being made from a dll referenced by the add-in would that make a difference?

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• Is "map" a loop?

  - by DVK

  While answering this question, I came to realize that I was not sure whether Perl's map can be considered a loop or not? On one hand, it quacks/walks like a loop (does O(n) work, can be easily re-written by an equivalent loop, and sort of fits the common definition = "a sequence of instructions that is continually repeated"). On the other hand, map is not usually listed among Perl's control structures, of which loops are a subset of. E.g. http://en.wikipedia.org/wiki/Perl_control_structures#Loops So, what i'm looking for is a formal reason to be convinced of one side vs. the other. So far, the former (it is a loop) sounds a lot more convincing to me, but I'm bothered by the fact that I never saw "map" mentioned in a list of Perl loops.

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• Change table row display property

  - by Idsa

  I have an html page with a table that contains a hidden row: <table> <tr id="hiddenTr" style="display:none"> </tr> </table> I need to make it visible at client side using jquery. I tried this $('#hiddenTr').show(); and this $('#hiddenTr').css('display', 'table-row'); Both implementations don't work for me. Furthemore the second one is not crossbrowser.

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• Wordpress Autologin Plugin not working on server

  - by Nishant

  Hello Everyone, I have been busy integrating Wordpress to one of a CakePHP application.Last Monday I cracked the way to integrate it.Now another problem I faced was that Client wanted to auto login the users who are login in CakePHP side,I did that too and it works fine in local.I am using the Session Variable of CakePHP which is set in core.php of cakephp,in the Wordpress also.The Code snippet of the Auto Login plugin is : - session_name("Cake_PHP_Session_Vars"); session_start(); function auto_login(){if (!is_user_logged_in()) { //determine WordPress user account to impersonate $user_login = 'guest'; //get user's ID $sessVars = $_SESSION['User']; $user_id = $sessVars['id']; //login wp_set_current_user($user_id, $user_login); wp_set_auth_cookie($user_id); do_action('wp_login', $user_login); }}add_action('init', 'auto_login'); It all works fine on the Local system but when I am putting it on Server,It is not working out.Please suggest me what could be the problem here. Thanks In Advance

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• GWT Acegi alternative

  - by DroidIn.net

  I'm starting new project. The client interface is based on GWT (and GXT) I have no say it's predetermined. However I can pick and choose as far as server side so I can have some fun and hopefully learn something new in the process. Some requirements are : Exchange with server will be through use of JSON, most if not all of UI will be generated by GWT (JS) on the client, so the client/serve exchange will be limited to data exchange as much as possible No Hibernate (it's not really supported on the proprietary db I will be connecting to). In the past projects people would use JDBC or iBATIS Some sort of IoC (I'm thinking Guice just to stick with Google) Some sort of Security framework based on LDAP. In the past we would use Spring security (Acegi) but it wasn't ideal and we had to customize it a lot So basically should I stick with tried-and-true Spring/Acegi or try something based on Guice? And what that "something" would be and how mature is it?

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• Why Do Browsers Leak Memory?

  - by Dane Balia

  A colleague and I were speaking about browsers (using browser control in a project), and it appears as plain as day that all browsers (Firefox, Chrome, IE, Opera) display the same characteristic or side-effect from their usage and that being 'Leaking Memory'. Can someone explain why that is the case? Surely as with any form of code, there should be proper garbage collection? PS. I've read about some defensive patterns on why this can happen from a developer's perspective. I am aware of an article Crockford wrote on IE; but why is the problem symptomatic of every browser? Thanks

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