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• Architecture for a farmville/yoville/cafe world type game?

  - by Joff

  I'm thinking of building a game along the lines of Farmville - items, events, time management system etc. Options I am thinking of: 1) Flash UI frontend that uses AMFPHP to get all data for the view from a PHP powered backend. 2) Actionscript to power the whole game Any input is appreciated. My concern with Actionscript is scaling, my concern with PHP is having to build an update system that would need a lot of back and forth xmlhttprequests which might get complicated. If there's a better way to build something like this, I'm all ears :)

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• How to determine direction of navigation from IE WebBrowser (IHtmlWindow2 or Javascript)

  - by Geoff Cox

  I'm uisng the WPF Web Browser control and when it fires the Navigating event, the event args always contain NavigationMode.New. It should be set to NavigationMode.Back if the user chooses to 'Go Back' from the web control. So its off to the COM ActiveX control underneath to determine the direction of navigation. I've been looking at IHtmlWindow2 and IHtmlDocument2 and IOmHistory, but don't see anything that happens on navigation to tell me if the navigation is caused by going back, forward, a new address, or a refresh. Since IHtmlWindow and Javascript have the same DOM, maybe someone knows how from Javascript. I've also been looking at the IWebBrowser2 interface, but can't find anything there either. Is there an event or property I need to inspect?

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• C-based (SAX style) XML generator recommendations?

  - by Eonil

  I'm making an XML generator library for Objective-C in iPhone. It's pretty big work making fully standard based generator. So I'm finding a well-documented, stable, proven C lib for generating XML document string by commands (or events) like SAX parser. Any recommendations?

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• ASP.NET MVC 2 DropDownList not rendering

  - by Tomaszewski

  Hi, so I don't understand what I am doing wrong here. I want to populate a DropDownList inside the master page of my ASP.NET MVC 2 app. Projects.Master <div id="supaDiv" class="mainNav"> <% Html.DropDownList("navigationList"); %> </div> MasterController.cs namespace ProjectsPageMVC.Controllers.Abstracts { public abstract class MasterController : Controller { public MasterController() { List<SelectListItem> naviList = new List<SelectListItem>(); naviList.Add(new SelectListItem { Selected = true, Text = "AdvanceWeb", Value = "http://4168web/advanceweb/" }); naviList.Add(new SelectListItem { Selected = false, Text = " :: AdvanceWeb Admin", Value = "http://4168web/advanceweb/admin/admindefault.aspx" }); ViewData["navigationList"] = naviList; } } } ProjectsController namespace ProjectsPageMVC.Controllers { public class ProjectsController : MasterController { public ActionResult Index() { return View(); } } } The DropDownList is not even showing up in the DOM and I am at a loss as to what I am doing wrong.

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• WPF Drag and drop to Datagrid

  - by ruben-monteiro

  Hi. I have been searching the internet high and low but can find some examples that can help me, I'm developing an application in wpf, in it I use a datagrid, each cell as a datatemplate with and image, in a mosaic style, on the side of the grid I have some tiles to use on the grid, I'm able to drag the tiles but can't drop then on the grid because I can't find the cell to which make the drop, is there a way to get a cell position from the the drag events? Thanks

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• Which is the most memory leak safe approach.

  - by MattC

  I have a table of frequently updated information. This is presented using a container div with a div for each row, each row containing 10 divs. I am using setInterval to call a an asmx webservice that returns some json formatted information. On the success callback I call $("#myContainer").empty(); on the container div and recreate the rows and 10 nested divs for each row's columns. This page may be left to run for a whole day, so I am wary of updating the DOM like this as I have noticed that memory does rise for the browser over time (IE8). The other approach I am considering is to add an idea to the row div. When new results process each item of data, look for the corresponding row, if it exists overwrite the data in each div. If it doesn't exist (new data for example), append the row. What approaches have others used for this sort of long lived pseudo realtime information display. TIA

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• What's the proper response to WM_ENDSESSION with ENDSESSION_CLOSEAPP and wParam == FALSE?

  - by Marcus Lindblom

  According to the WM_ENDESSION docs, when lParam is ENDSESSION_CLOSEAPP and wParam is FALSE, "the application should not shut down". So, should I just ignore that and use the default response? What is it's purpose? (I'm listening to Windows events/messages in Qt (C++) to shutdown some launched processes, but that's just the context and shouldn't have any bearing here...)

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• How to implement the activity stream in a social network

  - by Nicolò Martini

  I'm developing my own social network, and I haven't found on the web examples of implementation the stream of users' actions... For example, how to filter actions for each users? How to store the action events? Which data model and object model can I use for the actions stream and for the actions itselves?

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• WinForms Form won't close on pressing X or Close() in C#

  - by MadBoy

  I'm having a bit weird problem with WinForm which seems to refuse to close for some weird reason. I've got very simple gui which sometimes doesn't react for me pressing X or when i use events on buttons it even reaches Close() and does nothing.. private void buttonZapisz_Click(object sender, EventArgs e) { string plik = textBoxDokumentDoZaladowania.Text; if (File.Exists(plik)) { string extension = Path.GetExtension(plik); string nazwaPliku = Path.GetFileName(plik); SqlMethods.databaseFilePut(plik, comboBoxTypDokumentu.Text, textBoxKomentarz.Text, sKlienciID, sPortfelID, extension, nazwaPliku); Close(); } } There are no events assigned to FormClosed or FormClosing. So how can I find out what's wrong. Sometimes X will work after the GUI is loaded but after i press Button to save some stuff to database it reaches Close() in that button event and it still is visible and does nothing. Can't use X, nor ALT+F4. I can go around GUI and choose other values for ComboBox without problem. I call GUI like this: private void contextMenuDokumentyDodaj_Click(object sender, EventArgs e) { var lv = (ListView) contextMenuDokumenty.SourceControl; string varPortfelID = Locale.ustalDaneListViewKolumny(listViewNumeryUmow, 0); string varKlienciID = Locale.ustalDaneListViewKolumny(listViewKlienci, 0); if (lv == listViewDokumentyPerKlient) { if (varKlienciID != "") { var dokumenty = new DocumentsGui(varKlienciID); dokumenty.Show(); dokumenty.FormClosed += varDocumentsGuiKlienci_FormClosed; } } else if (lv == listViewDokumentyPerPortfel) { if (varPortfelID != "" && varKlienciID != "") { var dokumenty = new DocumentsGui(varKlienciID, varPortfelID); dokumenty.Show(); dokumenty.FormClosed += varDocumentsGuiPortfele_FormClosed; } } } While I can't close GUI i can work on the main gui without problem too. I can open up same GUI and after opening new GUI i can quickly close it. GUI is very simple with few ComboBoxes,TextBoxes and one EditButton from Devexpress. Edit: varDocumentsGuiPortfele_FormClosed code allows me to refresh GUI (reload ListView's depending on where the user is on now). private void varDocumentsGuiPortfele_FormClosed(object sender, FormClosedEventArgs e) { TabControl varTabControl = tabControlKlientPortfele; if (varTabControl.TabPages.IndexOf(tabPageDokumentyPerKlient) == varTabControl.SelectedIndex) { loadTabControlKlientPortfeleBezZmianyUmowy(); } }

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• HTML Slider element?

  - by Claudiu

  I'm coding an app (temporarily up here), and I want to make its parameters modifiable. I feel the best way to do this would be with your standard GUI slider elements (a la this, but not so ugly). I just noticed that the DOM doesn't provide these, however... What's the best way to introduce sliders to a webpage? Is there a standard library that everybody uses? Should I just roll my own? Or should is there a different element I can use? Should I embed them in the canvas element somehow?

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• jQuery global variable best practice & options?

  - by Kris Krause

  Currently I am working on a legacy web page that uses a ton of javascript, jquery, microsoft client javascript, and other libraries. The bottom line - I cannot rewrite the entire page from scratch as the business cannot justify it. So... it is what it is. Anyway, I need to pollute (I really tried not too) the global namespace with a variable. There are the three options I was thinking - Just store/retrieve it using a normal javascript declaration - var x = 0; Utilize jQuery to store/retrieve the value in a DOM tag - $("body").data("x", 0); Utilize a hidden form field, and set/retrieve the value with jQuery - $("whatever").data("x", 0); What does everyone think? Is there a better way? I looked at the existing pile of code and I do not believe the variable can be scoped in a function.

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• Adding an item to an existent window

  - by farhad

  Hello! How can i add an item to an existent window? I tried win.add() but it does not seem to work. Why? This is my piece of code: function combo_service(winTitle,desc,input_param) { /* parametri */ param=input_param.split(","); /* della forma: param[0]="doc1:text", quindi da splittare di nuovo */ /* cosi' non la creo più volte */ win; if (!win) var win = new Ext.Window({ //title:Ext.get('page-title').dom.innerHTML renderTo:Ext.getBody() ,iconCls:'icon-bulb' ,width:420 ,height:240 ,title:winTitle ,border:false ,layout:'fit' ,items:[{ // form as the only item in window xtype:'form' ,labelWidth:60 ,html:desc ,frame:true ,items:[{ // textfield fieldLabel:desc ,xtype:'textfield' ,anchor:'-18' }] }] }); win.add({ // form as the only item in window xtype:'form' ,labelWidth:60 ,html:desc ,frame:true ,items:[{ // textfield fieldLabel:desc ,xtype:'textfield' ,anchor:'-18' }]}); win.show(); }; What's wrong with my code? Thank you very much.

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• ExtJS: adding an item to an existent window

  - by farhad

  Hello! How can i add an item to an existent window? I tried win.add() but it does not seem to work. Why? This is my piece of code: function combo_service(winTitle,desc,input_param) { /* parametri */ param=input_param.split(","); /* della forma: param[0]="doc1:text", quindi da splittare di nuovo */ /* cosi' non la creo più volte */ win; if (!win) var win = new Ext.Window({ //title:Ext.get('page-title').dom.innerHTML renderTo:Ext.getBody() ,iconCls:'icon-bulb' ,width:420 ,height:240 ,title:winTitle ,border:false ,layout:'fit' ,items:[{ // form as the only item in window xtype:'form' ,labelWidth:60 ,html:desc ,frame:true ,items:[{ // textfield fieldLabel:desc ,xtype:'textfield' ,anchor:'-18' }] }] }); win.add({ // form as the only item in window xtype:'form' ,labelWidth:60 ,html:desc ,frame:true ,items:[{ // textfield fieldLabel:desc ,xtype:'textfield' ,anchor:'-18' }]}); win.show(); }; What's wrong with my code? Thank you very much.

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• Regex and PHP for extracting contents between tags with several line breaks

  - by John

  How can I extract the content between tags with several line breaks? I'm a newbie to regex, who would like to know how to handle unknown numbers of line break to match my query. Task: Extract content between <div class="test"> and the first closing </div> tag. Original source: <div class="test">optional text<br/> content<br/> <br/> content<br/> ... content<br/><a href="/url/">Hyperlink</a></div></div></div> I've worked out the below regex, /<div class=\"test\">(.*?)<br\/>(.*?)<\/div>/ Just wonder how to match several line breaks using regex. There is DOM for us but I am not familiar with that.

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• Fullcalendar refetchEvents probem

  - by Gabriel

  Hi guys, I have the following problem. Sometimes the refetchEvents method works well but sometimes works bad (Slow fetchs). For example sometimes I have to do double click in my button for call this method for render the events correctly from my database. So my calendar is not updated correctly when I add a new event. Do you have the same issue? Any help. Thanks A lot.

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• How to create a timeline with LaTeX?

  - by Mnementh

  In history-books you often have timeline, where events and periods are marked on a line in the correct relative distance to each other. How is it possible to create something similar in LaTeX?

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• ActiveX Control Drag and Drop in C sharp

  - by Philip

  I'm making Windows Form App in C sharp and best control for what I need is ActiveX Control (Calendar). The problem is that I need drag and drop but Control that I use does not have events for it (only positive thing is that it has property "AllowDrop"). (Control is Xtreme Calendar - Codejock)

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• Image control with pan and zoom ability

  - by corvus

  I am looking for a free .net winforms control which is able to display images. PictureBox isn't a solution because you have to implement all pan&zoom events yourself. The control should be able to display images like 4000x5000 pixels, have zoom and pan buttons.

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• What is the `name` keyword in JavaScript?

  - by Joey Adams

  When I typed this apparently innocent snippet of code: values.name gedit highlighted name as a keyword. However, name is not listed by the pages linked to by an answer to a question about reserved keywords. I also did a couple trivial tests in SpiderMonkey, but name seemed to act like an ordinary identifier. A Google search didn't tell me much either. However, I did find a page listing name in "Other JavaScript Keywords". My guess is that name is a function or a member of some DOM element and does not intrude on the namespace. Is name really a keyword in JavaScript? If so, what does it do?

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• Custom MembershipProvider attempts to pass empty creds after IIS restart

  - by Joseph DeCarlo

  I have a C# custom ASP.Net MembershipProvider. When the user attempts to navigate to another part of the site after IIS is restarted, it doesn't navigate to the login page to collect credentials, but instead attempts to authenticate with empty credentials. Can anyone tell me what I have to do to identify that the new authentication needs to take place and that new creds need to be gathered? I have a complementary custom IHttpModule implementation that allows me to intercept events like BeginRequest and AuthenticateRequest, if that helps.

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• Is there a workaround to Safari's/Opera's bug that you can't tab through hyperlinks?

  - by scunliffe

  In IE, Firefox, Chrome and most Windows-based interfaces that I've used, the Tab key can be used to navigate from one form field or hyperlink to the next (e.g. "actionable" items) (note: I have not tested on other Operating Systems) However Safari and Opera skip all hyperlinks in a web page when tabbing. IMHO its a usability bug but I digress. Is there a workaround/hack to make Safari and/or Opera navigate through these links? I've noticed that Opera will accept the tabindex attribute if set e.g. tabindex="0" thus maintaining the links "index" within the flow of the DOM on the page... but Safari does not want to accept this. For those interested, this bit of jQuery will make all the hyperlinks clickable. //Make links 'tab-able' in Opera $(document).ready(function(){ if($.browser.opera){ $('a[href]').attr('tabindex', 0); } }); ...and although this seems to work for Opera... is there a better workaround?

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• Crossdomain TinyMCE

  - by pistacchio

  Hi, folling this discussion and this link, I learnt that by adding document.domain = 'mydomain.com'; to the tinyMCE initializer file and tiny_mce_popup.js i can overcome the cross domain problem. I haven't tested it on a proper production server, but in my dev environment the base domain is localhost:8000 and my static files (also tinyMCE ones) are on localhost:88. Adding document.domain = 'localhost:8000'; or document.domain = 'localhost:88'; doesn't solve the problem as I get the following error: Uncaught Error: SECURITY_ERR: DOM Exception 18 Any help? Thanks

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• Which MySQL Frontend shows foreign rows?

  - by Jeremy Rudd

  I once came across a MySQL Frontend app that displayed foreign linked rows within the parent row, if for instance the Events table has a foreign key to the Students table: Student ID Name DOB -- ---- --------- [+] 22 Bob 25-1-1984 [-] 21 Jane 25-1-1982 Event ID Student-ID Name Time -- ---------- ---- --------- 1 21 Event A 05:50 1 21 Event B 17:20 [+] 20 Jack 25-1-1980

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• Activate a (COM Interop based) ActiveX contol using registration free com

  - by embnut

  I have a (COM Interop based) ActiveX contol that I am trying to use with registration free com. When the control loads the control is inactive (does not responds to events, control not fully rendered etc). After much search I discovered that COM objects using reg-free-com use the miscStatus attribute to set the initial state to get correctly activated. I know how to use it with a comClass which corresponds to a native COM Object. 1) What is the equivalent of the following for clrClass element which corresponds to a COM-interop object? <comClass clsid="{qqqqqqqq-wwww-eeee-rrrr-00C0F0283628}" tlbid="{xxxxxxxx-yyyy-zzzz-aaaa-0000F8754DA1}" threadingModel="Both" progid="SomeCompany.SomeOleControl" description="Some ActiveX Control" miscStatus="recomposeonresize,insideout,activatewhenvisible,nouiactivate" > 2) The COM client I am using is Visual FoxPro. If the (1) is not possible what can I do in VFP to activate the inactive ActiveX control. (I dont mind VB or C# input too if I can use it to find the equivalent foxpro) Currently I tried the following this.AddObject('OleControl1', 'oleControl', 'SomeCompany.SomeOleControl') this.OleControl1.AutoActivate = 3 this.OleControl1.Visible = .T. this.OleControl1.SetFocus But I the OleControl1 gets focus before passing events like mouse click to its subelements. So I have to click twice on it to do the necessary action, any time it does not have focus. I would like the control to act as if the "nouiactivate" of the miscStatus value is set. 3) Is there any other way of accomplishing what I want to do? Hans Passant, here is the listing of current Assembly.dll.manifest. The formatting in the comment made it unreadable. <?xml version="1.0" encoding="UTF-8" standalone="yes"?> <assembly xmlns="urn:schemas-microsoft-com:asm.v1" manifestVersion="1.0"> <assemblyIdentity name="Assembly" version="1.0.0.0" type="win32" publicKeyToken="wwwwwwwwwwwwwwww"/> <clrClass name="SomeCompany.SomeOleControl" clsid="{qqqqqqqq-wwww-eeee-rrrr-00C0F0283628}" progid="SomeCompany.SomeOleControl" threadingModel="Both"/> <file name="Assembly.tlb"> <typelib tlbid="{xxxxxxxx-yyyy-zzzz-aaaa-0000F8754DA1}" version="1.0" helpdir="" flags="hasdiskimage"/> </file> </assembly>

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• innerHTML removes attribute quotes in Internet Explorer

  - by Augustus

  When you get the innerHTML of a DOM node in IE, if there are no spaces in an attribute value, IE will remove the quotes around it, as demonstrated below: <html> <head> <title></title> </head> <body> <div id="div1"><div id="div2"></div></div> <script type="text/javascript"> alert(document.getElementById("div1").innerHTML); </script> </body> </html> In IE, the alert will read: <DIV id=div2></DIV> This is a problem, because I am passing this on to a processor that requires valid XHTML, and all attribute values must be quoted. Does anyone know of an easy way to work around this behavior in IE?

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