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  • How to keep statefull web clients in sync, when multiple clients are looking at the same data?

    - by Hilbrand
    In a RIA web client, created with GWT, the state is maintained in the web client, while the server is (almost) stateless (this is the preferred technique to keep the site scalable). However, if multiple users looking at the same data in their browser and one user changes something, which is send to the server and stored in the database, the other users still have the old data in their browser state. For example a tree is shown and one of the users adds/removes an item from the tree. Since there can be a lot of state in the client, what is the best technique to keep the state in the clients in sync? Are there any java frameworks that take care of this?

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  • FireFox Toolbar Open Window in new Tab

    - by Mark
    Hi all, I have a Toolbarbutton <toolbarbutton context="TabMenue" id="esbTb_rss_reader" label="News" type="menu"> with a Context menue which comes up when the button is right clickt <menupopup id="TabMenue" > <menuitem label="New Tab" oncommand="esbTb_loadURLNewTab()"/> </menupopup> so this function should open the new window in a new tab function esbTb_loadURLNewTab() { window.open(ClickUrl,'name'); } I don't get it working that the new Window is showing up in a new tab it always opens a new firefox window. I tried also like described in this article to set the browser.link.open_newwindow and browser.link.open_newwindow.restriction preferences but that doesn't bringt anything. And I tried it with all Target attributes which came in my mind. So I'm grateful for any hints, tips what ever this is driving me crazy...

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  • dojo dynamic right click context menu

    - by levy
    There are tons of different dojo right click context menus in a page slowing down the browser. Some divs have context menus while some others don't. So I just can't have a dynamic global context menu and still be able to fallback to the browser's built in menu in some cases, do I? The non lazy instantiation of the dojo context menus just take too much time. How can I make those context menus dynamic? Preferably being created on demand when the user actually right clicks on them.

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  • Can JQuery/JavaScript be used to write a substantial client side application?

    - by Ian
    I have an unusual situation - I have an embedded video streaming device with a complicated UI, and I need to use an embedded web server to reproduce that UI through a web browser. I'm thinking of using JavaScript/JQuery on a C++ backend (I am NOT coding all this myself, I need to hire people for the grunt work). The embedded web server is much less powerful than a PC, so I want to write an application that runs the entire UI in the browser, and only communicates with the server to pass new program settings back and forth, get status updates from the device, and control video playback. In other words, the client gets one big page or a small number of big pages (effectively downloading the application), the application maintains significant local memory storage, and once the pages are first loaded the server never sends anything layout-related. The application has two rows of tabs to navigate ~40 menu pages, drag-and-select controls to pick cells in a grid, sorted lists, lots of standard data entry options, and it should be able to control up to 16 embedded video players at once (preferably VLC). Is this possible in JavaScript/JQuery with a C++ backend?

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  • How to programmatically switch to a specific window in compiz?

    - by FossilBit
    Is there a command to tell compiz that we want to bring in front and set focus to a specific window? How should we identify the window in that command? The reason behind this question is the following use-case: Suppose we have a wiki to keep notes of anything interesting we find out. It would be very convenient to have a keyboard shortcut to bring the browser window with our Wiki page in front and start typing immediately then with another key combination switch to the application we were working before I know that "ALT+TAB" switches between the last two used windows but cannot support more complex combinations of applications. E.g Browser+Eclipse+ Wiki If there is a command like the one described, it is easy to add a shortcut to it from KDE or GNOME interface Thanx ...

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  • Forms Authentication Across Applications Stopped Working

    - by colleski
    Hi, I have a .net 1.1 ASP application (domain.com) which has a .net 2 virtual directory (domain.com/v2) beneath it, both applications run within their own app pool on the same machine running IIS 6. The web.config files for both apps are setup for Forms Authentication as described here - http://msdn.microsoft.com/en-us/library/eb0zx8fc(v=VS.80).aspx. Users would be directed to the domain.com/v2/login.aspx page which would authenticate for both applications, this configuration has been working fine for the last few years until installing one of the recent Windows 2003 security updates today. Now after authenticating under /v2 users keep getting redirected back to domain.com/v2/Login.aspx as domain.com doesnt see them as authenticated anymore. Any ideas as to which security update would have caused this and if its possible to rollback? I've looked at a few suggestions on this (e.g. Cross app on subdomain form authentication not working) and other sites but no luck so far Any help would be appreciated. Thanks

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  • Google Chrome window.open height includes URL bar

    - by andyjeffries
    When we open a window using: window.open("/calendar",'calendar','width=950,height=576,titlebar=no,statusbar=no,menubar=no,resizable=no,scrollbars=no'); Firefox 3 and IE 7 open it to have a content area height of 576 plus the browser items (URL bar, status bar, etc). Chrome however opens it to have a total height of 576 meaning a scrollbar appears to the right of the content (and then the bottom because the width is now reduced). How can I get around this? It's for a heavy layout part of a web app so it's not just a matter of "let the user scroll", the client doesn't want that. Has anyone come across this? I don't mind browser sniffing and opening the window bigger, but I know that's yucky these days.

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  • Does ini_set('session.save_path', 'custom path'); effect the session garbage cleaner?

    - by newbtophp
    Hi! Does ini_set('session.save_path', 'custom path'); effect the session garbage cleaner? As I'm setting a custom directory for the sessions, because I've read from various php security guides, that setting a custom directory on shared hosting for sessions; can improve session security. But the problem is I've read somewhere that PHP does/handles the session garbage cleaning only when the session_save_path is the default and not modified (ie. using a custom directory)? - is this true, if so is their a solution for this?. (take into consideration I'm using shared hosting). Appreciate all help!

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  • Fail to resolve a name when calling ConnMgrEstablishConnectionSync()

    - by Rodriguez
    Hi Guys, I'm trying to setup a GPRS connection with ConnMgrEstablishConnectionSync(), so far so good, the connection is established and if I try to connect to an IP address, everything works fine. Alas, when I try to resolve a name: ConnMgrEstablishConnectionSync(); ... gethostbyname("www.google.com"); The result is always an error: 0x00002af9 (host not found). Therefor I'm not able to resolve any name, but if I try to open a browser, the browser is able to resolve everything. Am I doing something wrong? Thanx for your help.

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  • How to configure IIS7 to Redirect member of An active Directory group to static page

    - by user1759075
    On IIS, we have disabled Anonymous authentication and enabled Windows Authentication What we need is to only allow users who are members of an Active Directory security group to access the Access Point at all. All other users should be directed to a static web page that will give them instructions on how to request access. By adding the security group to the website permissions, and removing the \Users group, we have almost achieved this. Users in the group are allowed through, those not in the group are asked for a (Windows) username and password. Instead of requesting the username and password, we want IIS to redirect them to the static page. Please advise me on how can this be done.

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  • Can I preload multiple video resources to load in the same HTML5 <video> element?

    - by Sergio1132
    I'm working out details on a web application which involves the sequential loading of a long series of (very short) video clips, one after the other, with occasional input from the user establishing new directions for which video clips to load. I would like to be able to have the browser preload the video clips five at a time. However, the way that we currently have the site working is by means of a single video element which is having its src attribute continually updated through JavaScript. So, my question is, is there a straightforward way I can get the browser to preload multiple video clips even though I am ultimately loading them all (one at a time) into the same video element? This is my first question here, so let me know if I could have phrased that better...

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  • Manipulate DOM before it is shown to the user?

    - by user246114
    Hi, I'm not too familiar with javascript, is there a way to manipulate the DOM before the page is displayed to the user? I'm using GWT which makes you create the page elements via javascript. This is kind of convenient, but it appears that all the javascript code is executed after the page is first shown to the user. This has the effect of showing the page as a blank white screen, then all the UI elements popping onto screen. The effect is really apparent when switching between pages. If I were using php or jsp, it looks like the page ui elements are already prerendered and the browser won't show a blank white screen before display. So is there any hook in javascript where we can manipulate the DOM before the browser clears out the contents of the last page shown? Thanks

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  • iframe height is giving wrong value

    - by user1668527
    I have HTML page which contains line: <iframe id="xyz" width="900" height="250" scrolling="no"..></iframe> From my firefox extension i'm trying to get the iframe height. so i'm registering the browser to a event as follow in my extension: appcontent.addEventListener("DOMContentLoaded",myfunction); where appcontent is browser object, myfunction(event): function { var framelist =window.content.document.getElementsByTagName("iframe"); for(var i=0;i<framelist.length;i++) { if(framelist[i].id == "xyz") var frameheight=framelist[i].height; } } when i tried to load this page intially frameheight gives 250 as per in html page but then it gives 0 as height. What would be the cause for this behaviour. is any other script changing the value of iframe height in between ? Help me

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  • PHP - trying to automate/loop a save function

    - by Homer_J
    EDIT: the difference between the pages are the simply $q1, $q2, $q3 becomes, for example, $q13, $q14, $q15 - they are questions in the form. Hi all, I have the following code: $rguid = $_POST["r"]; $ip=substr($_SERVER['REMOTE_ADDR'], 0, 50); $browser=substr($_SERVER['HTTP_USER_AGENT'], 0, 255); $q1 = $_POST["q1"]; $q2 = $_POST["q2"]; $q3 = $_POST["q3"]; $q4 = $_POST["q4"]; $q5 = $_POST["q5"]; $q6 = $_POST["q6"]; $q7 = $_POST["q7"]; $q8 = $_POST["q8"]; $respondent_id = decode_respondent_guid($rguid); $rcount=respondent_status($respondent_id); if ($rcount==0) { $proc = mysqli_prepare($link, "INSERT INTO tresults (respondent_id, ip, browser, q1, q2, q3, q4, q5, q6, q7, q8) VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?);"); mysqli_stmt_bind_param($proc, "issiiiiiiii", $respondent_id, $ip, $browser, $q1, $q2, $q3, $q4, $q5, $q6, $q7, $q8); mysqli_stmt_execute($proc); $mysql_error = mysqli_error($link); if ($mysql_error!="") { printf("Unexpected database error: %s\n", $mysql_error); mysqli_stmt_close($proc); mysqli_clean_connection($link); exit(); } else { mysqli_stmt_close($proc); mysqli_clean_connection($link); update_completion_status($respondent_id, 'Started'); header("Location: page2.php?r=".$rguid); } } This code works a treat - no problem. At the moment, that code appears on a 'save' page that relates to a 'form' page (i.e. if I have 5 .php pages with a form on each, I need 5 save.php pages to save each pages data to the database) to save data to my SQL database. What I would like is to have a single save.php page that will work with as many 'form' pages as I have. So instead of manually having to setup and change each save page, it automates it. I've no idea of the coding to do this, though I suspect something like a foreacg or loop etc. Any suggestions? Thanks, Homer.

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  • php exec and shell_exec not working

    - by chris
    I want to run an exe file on my server and return the output to the browser screen. The exe file takes a input file and then returns data on the screen. Why is this code not working? $output = shell_exec('myprogram < INP.DAT'); echo "<pre>" . var_export($output, TRUE) ."</pre>\\n"; It displays "NULL" on the browser screen. I have also tried exec(). There it returns "Array()".

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  • php time 2 hours wrong for only 50% some users

    - by user1797802
    I am having huge issues with php time. For some reason it shows a different time (by 2 hours) to some users and the correct time to other users. The code is H:i:s d-M-y T when I view the page in a browser from my PC it tells me its 11am when infact its 9am, when I check via a browser using one my RDP's I get the correct time. Both PC's are in the country (uk) both PC's have the same system time etc. Tried setting the timezone default, but no matter what I do the server still shows some users the correct time, and other users the time 2 hour forward, any ideas? the code is echo gmdate("H:i:s d-M-y T"); <?php echo gmdate("H:i:s d-M-y T"); ?>

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  • MediaType of REST

    - by user357243
    Hi, I am beginner in REST web services. I wrote a program of REST to display the HTML or XML. The @Path annotation's value is @Path("{typeDocument}"). There are two methods for GET : @GET @Produces(MediaType.TEXT_XML) public String getXml(@PathParam("typeDocument") String typeDocument) to display XML file, and @GET @Produces(MediaType.TEXT_HTML) public String getHtml(@PathParam("typeDocument") String typeDocument) to display HTML. The browser Firefox always excutes getHtml() when URL is either http://localhost:8080/sources/html or localhost:8080/sources/xml But IE always excutes getXml(). How to excute the correct method, as defined by URL, in different browser ? Thanks a lot.

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  • Tomcat SSL Configuration

    - by bdares
    I received a SSL cert to use for a Tomcat 6.0 server, ready to use. I configured Tomcat to use it with the following in server.xml: <Connector port="8443" maxThreads="200" scheme="https" secure="true" SSLEnabled="true" keystoreFile="C:\Tomcat 6.0\ssl\cert" keystorePass="*****" clientAuth="false" sslProtocol="TLS"/> I started Tomcat using the command prompt so I could see any error message as they happened. There were none. The results for accessing different URLS: http://localhost - normal page loads fine https://localhost - browser claims page cannot be found https://localhost:8443 - page cannot be found http://localhost:8443 - offers a certificate, after accepted redirects to https://localhost (I suspect the https:// urls initially offer the certificate which is automatically accepted by the browser, as it was issued by Verisign) How to fix? Edit: I've also tried port="443". Same result.

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  • CouchDB: How to change view function via javascript?

    - by osti
    Hello Guys, I am playing around with CouchDB to test if it is "possible" [1] to store scientific data (simulated and experimental raw data + metadata). A big pro is the schema-less approach of CouchDB: we have to be very flexible with the metadata, as the set of parameters changes very often. Up to now I have some code to feed raw data, plots (both as attachments), and hierarchical metadata (as JSON) into CouchDB documents, and have written some prototype Javascript for filtering and showing. But the filtering is done on the client side (a.k.a. browser): The map function simply returns everything. How could I change the (or push a second) map function of a specific _design-document with simple browser-JS? I do not think that a temporary view would yield any performance gain... Thanks for your time and answers. [1]: of course it is possible, but is it also useful? feasible? reasonable?

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  • How to detect that a process is started using C# code[windows service]

    - by infant programmer
    I am trying to design a windows-service which monitors a process namely "Gtalk", if the process is started then, the browser Internet-explorer (process iexplore) should be closed. This should happen only when the process "Gtalk" is started, [not when running] The code I have written and implemented, doesn't allow to open IExplore when Gtalk is running. That is certainly what not I am trying for. The process Gtalk should close browser only at its start-up, After the process is started, it should allow to open IExplore. Is it possible with Windows service or is it must be the part of Gtalk process itself? This is my code: while (true) { if (Process.GetProcessesByName("Gtalk").Length > 0) { foreach (Process prc in Process.GetProcessesByName("IExplore")) { prc.Kill(); } } }

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  • How to detect if an element exists in Watir

    - by Rijksband
    Hi, I'm relatively new to Watir but can find no good documentation (examples) regarding how to check if an element exists. There are the API specs, of course, but these make precious little sense to me if I don't find an example. I've tried both combinations but nothing seems to work... if browser.image (:src "/media/images/icons/reviewertools/editreview.jpg").exists then... if browser.image (:src "/media/images/icons/reviewertools/editreview.jpg").exists? then... If anyone has a concrete suggestion as per how to implement this, please help! Thanks!

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