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• Firefox jQuery Drag and Drop File Upload together with PHP

  - by tonsils

  Hi, Hoping to get some assistance but I am after a jQuery/PHP means of allowing a user to drag and drop files and then via PHP, upload one or more files to a specific directory on a Linux box. I only have Firefox 3.6 as my base browser but can also move to FFox if need be. Cann use any HTML5 features as long as I'm using Firefox 3.6 Can someone possibly point me to any examples/sites where this process is demonstrated? I have had a look at http://www.plupload.com/index.php but this does not work in IE6. As mentioned, would like it to work in FFox only. Thanks.

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• Does jQuery ajaxSetup({cache: true}) generally work?

  - by fsb

  jQuery 1.4.2 omits the timestamp GET parameter (to defeat browser cacheing) if I assert the ajax cache setting in the local context: $.ajax({ url: searcher, data: keys, cache: true, type: 'GET', dataType: 'json', success: function(data) { // something }); But it includes timestamp if I move the setting out of there and into the global context: $.ajaxSetup({cache: true}); Moreover, if I let the default apply, jQuery sets timestamp, which doesn't seem to match the manual. Do you experience the same? Do HTTP cache control response headers from the server affect this jQuery feature?

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• Is there a difference between long-polling and using Comet

  - by Saif Bechan

  I am implementing a system where I need real-time updates. I have been looking at certain scenarios and among all was Comet. Implementing this I do not see any way this is different from traditional long-polling. In both cases you have to send a request, and then the server send a response back. In the browser you interpret the response and then you start a new request. So why should I use comet if in both cases I need to open and close connections.

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• JSON on IE6 (IE7)

  - by David Thorisson

  Sorry for my inpatience but after weeks staying up late and just having put my web online, I just don't have any left energy to debug... I just can't Google how to implement JSON on IE6 & IE7... I'm using JSON.stringify(...) From what I understand JSON is not built in on IE6-7 and has to be dynamically added in in-line code... how do you do that? I already have jQuery - is it my correct understanding that their JSON engine relies on the browser native one? Then some comment on invalid JSON code that makes IE6-7 fail, but I thought it wasn't native in IE6-7? Anyone?

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• Is That REST API Really RPC? Roy Fielding Seems to Think So.

  - by Rich Apodaca

  A large amount of what I thought I knew about REST is apparently wrong - and I'm not alone. This question has a long lead-in, but it seems to be necessary because the information is a bit scattered. The actual question comes at the end if you're already familiar with this topic. From the first paragraph of Roy Fielding's REST APIs must be hypertext-driven, it's pretty clear he believes his work is being widely misinterpreted: I am getting frustrated by the number of people calling any HTTP-based interface a REST API. Today’s example is the SocialSite REST API. That is RPC. It screams RPC. There is so much coupling on display that it should be given an X rating. Fielding goes on to list several attributes of a REST API. Some of them seem to go against both common practice and common advice on SO and other forums. For example: A REST API should be entered with no prior knowledge beyond the initial URI (bookmark) and set of standardized media types that are appropriate for the intended audience (i.e., expected to be understood by any client that might use the API). ... A REST API must not define fixed resource names or hierarchies (an obvious coupling of client and server). ... A REST API should spend almost all of its descriptive effort in defining the media type(s) used for representing resources and driving application state, or in defining extended relation names and/or hypertext-enabled mark-up for existing standard media types. ... The idea of "hypertext" plays a central role - much more so than URI structure or what HTTP verbs mean. "Hypertext" is defined in one of the comments: When I [Fielding] say hypertext, I mean the simultaneous presentation of information and controls such that the information becomes the affordance through which the user (or automaton) obtains choices and selects actions. Hypermedia is just an expansion on what text means to include temporal anchors within a media stream; most researchers have dropped the distinction. Hypertext does not need to be HTML on a browser. Machines can follow links when they understand the data format and relationship types. I'm guessing at this point, but the first two points above seem to suggest that API documentation for a Foo resource that looks like the following leads to tight coupling between client and server and has no place in a RESTful system. GET /foos/{id} # read a Foo POST /foos/{id} # create a Foo PUT /foos/{id} # update a Foo Instead, an agent should be forced to discover the URIs for all Foos by, for example, issuing a GET request against /foos. (Those URIs may turn out to follow the pattern above, but that's beside the point.) The response uses a media type that is capable of conveying how to access each item and what can be done with it, giving rise to the third point above. For this reason, API documentation should focus on explaining how to interpret the hypertext contained in the response. Furthermore, every time a URI to a Foo resource is requested, the response contains all of the information needed for an agent to discover how to proceed by, for example, accessing associated and parent resources through their URIs, or by taking action after the creation/deletion of a resource. The key to the entire system is that the response consists of hypertext contained in a media type that itself conveys to the agent options for proceeding. It's not unlike the way a browser works for humans. But this is just my best guess at this particular moment. Fielding posted a follow-up in which he responded to criticism that his discussion was too abstract, lacking in examples, and jargon-rich: Others will try to decipher what I have written in ways that are more direct or applicable to some practical concern of today. I probably won’t, because I am too busy grappling with the next topic, preparing for a conference, writing another standard, traveling to some distant place, or just doing the little things that let me feel I have I earned my paycheck. So, two simple questions for the REST experts out there with a practical mindset: how do you interpret what Fielding is saying and how do you put it into practice when documenting/implementing REST APIs? Edit: this question is an example of how hard it can be to learn something if you don't have a name for what you're talking about. The name in this case is "Hypermedia as the Engine of Application State" (HATEOAS).

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• ajax call through cas

  - by manu1001

  I need to write a google gadget that reads feeds from google groups. Trouble is I'm making an ajax call to retrieve the feeds and our google apps domain is protected by CAS (central authentication service). So, I'm getting a 400 bad request on making the call. I suspect that the browser is not sending the cookie when making ajax call. How do I ensure that the cookie is also sent with the ajax call? OR if that's not supposed to be the problem, what do i need to do?

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• jQuery Thickbox and Google Maps Extinfowindow

  - by cdonner

  I am trying to place a link into an Extinfowindow that obtains its content through an Ajax call. So, I click on a push pin marker, up pops the Extinfowindow with my ThickBox link in it, and when I inspect the DOM for the entire page at that point, I can see the element correctly showing up with the "thickbox" class. The link looks like this <A class="thickbox" title="" href="http://localhost:1293/Popup.aspx? height=200&width=300&modal=true">Modal Popup</A> However, when I click on it, it does a full refresh and the target page loads in the browser, not in a popup. It seems that when the <A> for the Thickbox control is injected into the DOM after the initial load, jQuery is no longer able to do its magic and intercept the anchor link request. Does anybody have thoughts about how to do this better?

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• Intercept page request behind firewall return altered content with php and apache

  - by Matthew

  I'm providing free wifi service and need an ad to be added to all page requests. Currently I have a router forwarding all http requests to an apache server, which redirects all requests to an index.php page. The index.php page reads the request, fetches the content from the appropriate site, and edits the content to include the ad. The problem is that all images and css files etc. cannot be accessed, because when the browser tries to get the image <img src="site.com/image.jpg"> it's just redirected back to the index.php. I can change settings for the router (running dd-wrt) and the webserver (apache2 and php 5.2). Is there a solution that allows content to be edited before returning to the client, and allows css and images to be accessed?

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• the best way to connect sql server (Windows authentication vs SQL Server authentication) for asp.net

  - by Brij

  I have a database and a site having forms authentication. It is working fine with VS2008. This time, I am using "Trusted_connection =True". But when it is opened from outside or directly from browser then I am getting error "Login failed for user 'NT AUTHORITY\ANONYMOUS LOGON'." I know this is due to permission. SQL server is based on windows authentication. What is the best approach to manage user to connect SQL Server? Should I enable SQL Server authentication? Let me know what to do so that it makes the production feel and there wouldn't be any problem during deployment. Note: SQL Server is installed on domain server.

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• iPhone web apps running as native apps

  - by Henrikb4

  The browser on the iPhone is capable of using advanced web technologies introduced in HTML5. One of these is the app cache that allows web pages to run on the client, from the cache, without a connection to the internet. Together with Local Storage you can also save data permanently "in" the page. My question is, would it then be possible to make a website that when visited and set as a web clip (bookmark on the home screen), could be accessed again, at any moment. Using HTML5, Javascript and css, you can make some very good apps and at the same time avoid the pricey developer fee, the harsh app approval and the single platform development platform? Or am I just dreaming?

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• AJAX get data from large HTML page as the large HTML page loads

  - by Ed

  Not entirely sure whether this has a name but basically I have a large HTML page that is generated from results in a db. So viewing the HTML page (which is a report) in a browser directly does not display all contents immediately but displays what it has and additional HTML is added as the results from the DB are retrieved... Is there a way I can make an AJAX request to this HTML page and as opposed to waiting until the whole page (report) is ready, I can start processing the response as the HTML report is loaded? Or is there another way of doing it? Atm I make my AJAX response it just sits there for a minute or two until the HTML page is complete... If context is of any use: The HTML report is generated by a Java servlet and the page making the AJAX call is a JSP page. Unfortunately I can't very easily break the report up because it is generated by BIRT (Eclipse reporting extension). Thanks in advance.

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• Dashcode development for iPhone resources

  - by gonso

  I've been developing web applications and iPhone applications for years. Now I want to create a web application oriented to the iPhone browser. I willing to use Dashcode, since it seams to have tons of cool features that make my web app look like an native iPhone app. The problem I face is twofold: On one side I don't know it Dashcode development will allow me to do all I want (session control, runtime datasources, etc); on the other side I'm having a hard time finding good documentation, tutorials and books on Dashcode programing for the iPhone. Looks like 90% of the links out there are for Dashcode widgets. Can you advise me on the best resources to learn Dashcode (for mobile Safari) programming? Thanks Gonso

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• Google Charts Through CURL

  - by swt83

  I have a PHP class that helps me generate URLs for custom charts using Google Chart service. These URLs work fine when I load them in my browser, but I'm trying to pull them using CURL so I can access the charts on secure https websites. Whenever I try and pull a chart via CURL, I get an Error 400 Bad Request. Any idea on how to get around this? Everything I have tried has failed. $url = urldecode($_GET['url']); $session = curl_init($url); // Open the Curl session curl_setopt($session, CURLOPT_HEADER, false); // Don't return HTTP headers curl_setopt($session, CURLOPT_RETURNTRANSFER, true); // Do return the contents of the call $image = curl_exec($session); // Make the call #header("Content-Type: image/png"); // Set the content type appropriately curl_close($session); // And close the session die($image);

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• Calling WebMethods / WebService using jquery is blocking

  - by Sir Psycho

  Hi, I'm generating a file on the server which takes some time. For this, I have a hidden iframe which I then set the .src attribute to an aspx file i.e iframe.src = "/downloadFile.aspx" While this is taking place, I'd like to have a call to a web service return the progress. To do this, I thought I could use window.setInterval or window.setTimeout but Javascript seems to be blocked as soon as I set the iframe src attribute. Does anyone know how to get around this or perhaps try a different approach? I have also tried handlers, but the request never gets to the server so I'm assuming is a browser/javascript issue.

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• Screen Capture Under Win7 of JOGL Applet

  - by binarybug

  Hi I'm trying to take a screen shot of an applet running inside a browser. The applet is using JOGL (OpenGL for Java) to display 3D models. (1) The screen shots always come out either black or white.The current solution uses the usual GDI calls. Screen shots of applets not running OpenGL are fine. A few examples of JOGL apps can be found here https://jogl-demos.dev.java.net/ (2) Another thing I'm trying to achieve is to get the scrollable area inside the screen shot as well. I found this code on the internet which works fine except for the 2 issues mentioned above. import win32gui as wg import win32ui as wu import win32con def copyBitMap(hWnd, fname): wg.SetForegroundWindow(hWnd) cWnd = wu.CreateWindowFromHandle(hWnd) rect = cWnd.GetClientRect() (x,y) = (rect[2] - rect[0], rect[3] - rect[1]) hsrccDc = wg.GetDC(hWnd) hdestcDc = wg.CreateCompatibleDC(hsrccDc) hdestcBm = wg.CreateCompatibleBitmap(hsrccDc, x, y) wg.SelectObject(hdestcDc, hdestcBm.handle) wg.BitBlt(hdestcDc, 0, 0, x, y, hsrccDc, rect[0], rect[1], win32con.SRCCOPY) destcDc = wu.CreateDCFromHandle(hdestcDc) bmp = wu.CreateBitmapFromHandle(hdestcBm.handle) bmp.SaveBitmapFile(destcDc, fname)

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• VB.NET - 'Title' is not a member of 'Calendar.Appointment'

  - by Daniel

  I am having a problem with my code. I am using VB.NET and Visual Studio 2010 to write my program. The source of the control that I am using can be found here. First, I imported the Calendar.DayView.dll file into my toolbox to use as a control. Then I added the following code to my existing code: Private Sub DayView1_NewAppointment(ByVal sender As System.Object, ByVal args As Calendar.NewAppointmentEventArgs) Dim appointment As New Calendar.Appointment() appointment.StartDate = args.StartDate appointment.EndDate = args.EndDate appointment.Title = args.Title appointments.Add(appointment) End Sub I get this error 'Title' is not a member of 'Calendar.Appointment'. I have no access to the Calendar namespace or the Appointment class. I am able to view the properties of both in the Object Browser but I can't edit any of them. Any suggestions?

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• Where can I find Object Model Documentation for Microsoft Expression Web Add-ins

  - by JonStonecash

  I am working on an add-in for Microsoft Expression Web. I have gotten enough information on the web to know that I have to add references to Microsoft.Expression.Interop.WebDesigner, Microsoft.Expression.Interop.WebDesignerPage, and Microsoft.Expression.Interop.WebDesigner. The problem is that there does not seem to be any official documentation on the classes within these dll-s. There is even a Microsoft Connect issue about the lack of documentation. I have been using the object browser in Visual Studio 2008 and Reflector but that is pretty thin soup. Does anyone know where there is some reasonable documentation. I am not looking for a sample "hello world" implementation. I want some more substance and depth.

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• FlowDocument contents as text

  - by tyndall

  What is the best way to get back the XAML/XML value of a FlowDocument? I noticed there isn't a .Value, .Text, .Caption, .ToXml(), etc... UDPATE: I'd like to be able to get access to it initially to serialize to disk or database. Treat it as its own document format. Later translating it to other formats would be nice. Also been wondering: Any equivalent to a hyperlink (opens in new browser window) in a FlowDocument? Any workaround?

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• Why isn't Google Web Toolkit more popular?

  - by gerdemb

  I've recently become intrigued with Google Web Toolkit and have started playing with it on some personal projects. I've noticed though that it doesn't seem to be very popular. For example, two major freelancing job boards (www.elance.com and www.odesk.com) list no jobs for GWT and the list of projects using it on Google's official site is pretty slim http://code.google.com/webtoolkit/app_gallery.html (compare to Django projects for example http://www.djangosites.org/). This seems odd to me as GWT has been around since 2006 and is supported by the Google brand name. It also neatly solves the problem of creating cross-browser completely dynamic websites that I haven't seen possible with any other tool. So, why the lack of acceptance?

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• script running very slow in IE with Jquery quickflip plug-in

  - by Aaron Carlino

  I have a jQuery plugin running on my site that is executing very, very slowly in IE7/8 to the point that it throws a slow script warning to the user. It doesn't happen in any other browser, and I can't figure out what might be going on. If you go to this page: http://dev.xeetic.org/projects You'll see that there are 16 results on each page, and each one has a "flip" behavior attached, using the jQuery plugin "quickflip." Attaching this behavior is very slow in IE. If I reduce the result set to 8 or 4 per page, it's faster, but still very bogged down. I have contacted the author of the script with no success. I am willing to pay for a solution, if I'm allowed to offer such a thing on this site.

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• Silverlight Navigation using Mvvm-light(oobe)+MEF?

  - by deliberative assembly

  What is the best approach for navigating between UserControls/Pages(out of browser experience)? I'm fairly new to Silverlight and even newer to the mvvm pattern. How well does the Navigation Framework Integrate with the MVVM Light Toolkit? A snippet for general application flow control with the two would be great. The plan was to use the Navigation Framework for general flow or using Jeremy Likeness's approach to region management(http://csharperimage.jeremylikness.com/search/label/regions) and swapping out regions as needed. I've seen a few places mention replacing the Visual Root, but that sounded like a hack to me. Any advice, snippets, or a nudge in the general direction would be greatly appreciated. Thank you.

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• How to allow my Asp.net MVC 3 web app using MathJax to accept user input $x<y>z$ ?

  - by Recycle Bin

  I am developing a mathematics site using Asp.Net MVC 3 + Razor + MathJax. MathJax is a javascript library to render TeX or LaTeX codes on the web browser. And TeX or LaTeX codes represent mathematics contents such as an inline math $y=mx+c$ and a displayed math \[y=mx+c\]. Right now my site can accept input, for example, $x<y$. However it cannot accept $x<y>z$ because the framework regards this input is vulnerable to XSS and XSRF. Shortly speaking, what I should do to accomplish what I want but it does not open security vulnerability.

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• Integration Widget (GWT) with DynamicForm (Smartgwt) - com.google.gwt.user.client.ui.AttachDetachExc

  - by keweishang

  I had this problem when I created a Window (Smartgwt) and put a DynamicForm (Smartgwt) in this Window, In this DynamicForm, I have a CanvasItem (Smartgwt) in which I put a RichTextArea (GWT). And when I press "ESC", I can quit the Window (Smartgwt) without probleme. But when I press "F5" to refresh my application, the browser pops up a exception saying "com.google.gwt.user.client.ui.AttachDetachException". To solve this problem, I do the following: public class MailWindow extends Window { public MailWindow(){ this.addCloseClickHandler(new CloseClickHandler() { public void onCloseClick(CloseClientEvent event) { form.getRichTextArea().removeFromParent(); MailWindow.this.destroy(); } }); } } Which solved my problem! :) Kewei

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• Webbrowser control: Get text value from html text

  - by Khou

  The web browser has the following displayed content, within a html table. [Element] [Value] Name John Smith Email [email protected] We know that the value of the elements are on to the right of the element and they are both on the same line (this is how it appears on the screen but in the html code it might not appear like this). How do you get the values of element name and element email? (first remove all html tag? then somehow use regular express to get the values? or figure out how to use html agility pack?)

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• Firefox-Addon: Restart and save all current tabs and windows

  - by nokturnal

  Hello guys / gals, First off, this is my first attempt at writing an add-on. That being said, I am attempting to write an add-on that makes some configuration changes and needs to restart Firefox in order to have the changes take effect. I am currently restarting Firefox using the following code: var boot = Components.classes["@mozilla.org/toolkit/app-startup;1"].getService(Components.interfaces.nsIAppStartup); boot.quit(Components.interfaces.nsIAppStartup.eForceQuit|Components.interfaces.nsIAppStartup.eRestart); The problem is, it restarts and opens the browser window(s) to whatever the users homepage is currently set to. I want it to re-open all windows / tabs that were previously open before the restart (similar to what happens when you install a new add-on). Anyone ever messed with this type of functionality before?

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