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• iPad UiTableView concatenate question

  - by rasputin

  Hi! I need make a application for iPad. The App need a control seem to Twitter iPad App that show tables and when you push a cell open other table and put the table over. You can make horizontal scroll with these tables. In this link can see the App Twitter and tableviews function: http://www.youtube.com/watch?v=RIJTXNfGHuM I don't know how make a similar functionality. Can you help me or you know how can make that functionality? Thank you very much!!

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• What is wrong in this json string?

  - by bala3569

  My json string looks like this, {"id" : "38","heading" : "Can you also figure out how to get me back the 10 hours I sp.....","description" : "Im having a very similar problem with the Login control - again it always generates a default style containing border -collapse -only in this case .....","img_url" : "~/EventImages/ EventImages1274014884460.jpg","catogory" : "News","doe" : "15-05-2010 "} But get the error, unterminated string literal.... EDIT: I used this but it didn't work, var newjson = cfreturn( """" & ToString( HfJsonValue ).ReplaceAll( "(['""\\\/\n\r\t]{1})", "\\$1" ) & """" ) ; var jsonObj = eval('(' + newjson + ')'); Error: missing ) after argument list Source Code: var newjson = cfreturn( """" & ToString( HfJsonValue ).ReplaceAll( "(['""\\\/\n\r\t]{1})", "\\$1" ) & """" ) ;

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• How to access Dispatcher in Silverlight tests?

  - by bluebit

  I am using the SL unit test framework for tests (http://code.msdn.microsoft.com/silverlightut). My code is heavily client-server communications dependant, and I access the GUI dispatcher in several places to make sure important data is only accessed on a single thread (ie. the GUI thread). This dispatcher seems unavailable in the unit tests - I have tried using Deployment.Current.Dispatcher and even created an instance of a blank control to try use its own dispatcher, but both don't work. The code inside of Dispatcher.BeginInvoke() just never executes, even if I include a Thread.Sleep afterwards.

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• Architecture of a secure application that encrypts data in the database.

  - by Przemyslaw Rózycki

  I need to design an application that protects some data in a database against root attack. It means, that even if the aggressor takes control over the machine where data is stored or machine with the application server, he can't read some business critical data from the database. This is a customer's requirement. I'm going to encrypt data with some assymetric algorithm and I need some good ideas, where to store private keys, so that data is secure as well as the application usability was quite comfortable? We can assume, for simplicity, that only one key pair is used.

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• checking & unchecking a HTML checkbox inside repeater based on database value

  - by subash

  i have a repeater control with item templates having check boxes,and i need the check boxes inside the repeatercontrol to be checked based on the database value of a column field "enabled" of bool type of either true or false. the code is as below what modification should i make to check and uncheck the check box? <asp:Repeater ID="rptrDashboardIssue" runat="server"> <ItemTemplate> <%issueEnum += 1;%> <div style="margin-left: -20px; position: absolute;" id="divModificationCaseflow"> <input type="checkbox" name="chkModificationCaseflow" id="chkModificationCaseflowIssue<%=issueEnum%>" checked="<%# DataBinder.Eval(Container.DataItem, "enabled")%>" /> </div> </ItemTemplate> </asp:Repeater>

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• static images aren't caching with php-generated page

  - by scootklein

  Our website was just converted to being generated by mod_rewrite and php scripts. Images aren't caching in browsers when they seemingly should be. All images follow format: <img src="/images/header.png" /> I must avoid the script completely caching because the PHP parser needs to handle each page dynamically on each request; however, the download overhead of the large images is cumbersome on every single page load. I would ideally provide headers for "Cache-Control: no-cache, must-revalidate" and "Expires: some_date_in_the_past" to force revalidation of the PHP script. Why isn't the browser caching static images with consistent href values across all pages?

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• Cannot connect to MySQL 4.1+ using old authentication

  - by B T

  I'm trying to connect to a mySQL database at http://bluesql.net, but when I try to connect, it gives this error: Connect Error (2000) mysqlnd cannot connect to MySQL 4.1+ using old authentication I've looked into this, and it has to do with some old password scheme used before MySQL 4.1. Newer versions have the option to use old passwords, which I've read may cause this problem. I'm running php 5.3, and connecting with mySQLi (new mysqli(...)). I'm hoping I can do something in the code to connect to the DB at bluesql.net - clearly I don't control how their database is set up. Downgrading php versions isn't an option. Anyone have any ideas?

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• is opening and closing of factory contolled by web.xml?

  - by akshay

  This post is related to post InvalidStateException while trying to enter data into DB. Do i need to put some entries in web.xml?Does web.xml control opening and closing of factory?I saw folloing entries in web.xml of another similar project . <resource-ref> <res-ref-name>jms/XYConnectionFactory</res-ref-name> <res-type>javax.jms.ConnectionFactory</res-type> <res-auth>Container</res-auth> <res-sharing-scope>Unshareable</res-sharing-scope></resource-ref> <resource-env-ref> <resource-env-ref-name>rep/xyAppConfig</resource-env-ref-name> <resource-env-ref-type>java.util.Map</resource-env-ref-type></resource-env-ref> What does this entries do?

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• Add Wordpress Video Gallery from YouTube User account to template

  - by Derek Organ

  I'm trying to create a small gallery of my youtube videos in wordpress. I need to have full control of style though. What i'm looking to do is have one big video (latest) and the next three as small thumbs underneath that. Can anyone recommend the best way to do this. I've can get use RSS feed from my youtube page to get a list of the videos. I now need a simple way to embed this info in my template.

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• Using Visual Studio to create web application in Sharepoint 2010

  - by bryan0010

  Hello, I am looking for pointers, examples, etc. to create a basic application in sharepoint 2010 using visual studio. The application would show a list on page 1 (driven by linq entities). When you click a row, it shows a details page. I've gone through the tutorials but could not find a basic crud-like example as explained above. Any help would be greatly appreciated. If I missed something in one of the tutorials, please let me know. To summarize, in a very generic way; I am looking for information on how to display two web application pages and have the user click a link or control to move through pages. Regards, Bryan

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• Adding a new row in between rows in a grid view.

  - by SARAVAN

  I have an ASP .net grid view. It has some template columns like a command button, a text box, and a dropdown control. When I click the command button, a new row needs to be inserted below the current row (from where I hit the command button). If I have rows 1 and 2 and I hit the command button in row1 a new row needs to be inserted between rows 1 and 2 Now in the new row I should be able to select values from dropdown and enter some value in a text box and finally hit my save button. (Which should work fine as I am expecting) The grid view is bound to some data source say for instance a datatable for now. Oneway that I could think about is when Command button is clicked, I can add a new row to the datatable in my server side code and rebind the grid. But I am not sure that, from a UI perspective how I can make sure that the new row goes exactly below the row from where I hit the command button. Any thoughts or comments?

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• Online Game programming in Google App Engine: AI

  - by Hortinstein

  I am currently in the planning stages of a game for google app engine, but cannot wrap my head around how I am going to handle AI. I intend to have persistant NPCs that will move about the map, but short of writing a program that generates the same XML requests I use to control player actions, than run it on another server I am stuck on how to do it. I have looked at the Task Queue feature, but due to long running processes not being an option on the App engine, I am a little stuck. I intend to run multiple server instances with 200+ persistant NPC entities that I will need to update. Most action is slowly roaming around based on player movements/concentrations, and attacking close range players(you can probably guess the type of game im developing)

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• How to copy a folder recursively with out overwriting the previous one

  what i need is i have linked my project with the cruise control, so when ever a build happens i want to copy the bin folder to a seperate destination folder with version number. That is when the project build happens for the second time i dont want to replace the bin folder of the first build i want to save this with another version number. How can i do that. Right now i got the thing how to copy the folder but it was overwriting the previous one. i dont want that to happen please help me how to implement the concept of versioning.

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• Pre-cache site as user visits

  - by strager

  I am making a static site which is 'forced' to be cached via Cache-control, etc. When a user visits my site, I want the browser to crawl my site, caching pages, so when the user navigates to a page, the load is almost instant. (I do not need a recursive crawl, as that will probably happen as the user navigates between pages. I just need to crawl the links on the current page, and of course not re-caching a page which has already been cached.) (Also, I am not changing pages using Ajax-like techniques. These are essentially normal flat HTML files with normal links.) How can I do this pre-caching using Javascript? (I am using jQuery.)

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• Context Menu SourceControl Error

  - by developer

  Hi All, I am trying to use contextmenu in my textbox control and I want to bind the textbox value to the value selected in context menu,below is my code <Window.CommandBindings> <CommandBinding Command="local:MyPanel.ChangeTextboxValue" Executed="ChangeTextboxValue_Executed"/> </Window.CommandBindings> CODE-BEHIND public static RoutedUICommand ChangeTextboxValue = new RoutedUICommand ("ChangeTextboxValue", "ChangeTextboxValue", typeof(MyPanel)); private void ChangeTextboxValue_Executed(object sender, ExecutedRoutedEventArgs e) { string oldvalue = Convert.ToString(e.Parameter); (((sender as MenuItem).Parent as ContextMenu).PlacementTarget as TextBox).Text = oldvalue; } oldvalue is the value I want the textbox controls value to change to. I am trying to use above code but it gives me the error, 'Object reference not set to an instance of object'. I tried to debug the app and I get ContextMenu as null.. .Any ideas why??

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• Drag and Drop ListBox for WPF

  - by drasto

  I'm looking for just a simple ListBox with build-in Drag & Drop. I think that Silverlite 4 Toolkit has something like that. The BoxList should be able to: reorder by draging & droping items drag item from one BoxList to another display preview (ghost version) of dragged item show drop location (like a line between items where the dragged will be inserted) I hope there is some solution from microsoft (in toolkit for example), but if not I all be happy with any working solution. For example I wander what control was used in DataGrid column headers reordering (by draging and droping them) implementation. Thank you for any suggestions

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• Facebook Site Linking Support

  - by Seth

  When someone posts a link to a web site in Facebook, it populates the link preview box with a photo and some text from the site. If someone posts a link to my site in Facebook, it is generally just get the site's domain name and one of the images that appears on the site. No text appears. I would like to be able to control what text and images appear in the link. Is there a specification that they use? Can I provide some metadata so Facebook will display what I want?

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• Visually Viewing and Editing a Two-Dimensional Array - VB/C#

  - by Jeffrey Kern

  I've never personally used any of the Data controls within Visual Studio. I need to view and edit a two-dimensional byte array, 16x15 objects. Is there any control capable of editing this information? I've tried to access data with the DataViewGrid, but am not sure how to use it. It would be great to edit this information via rows and columns, like how you can in Excel. Thank you! Times like this I wish I could just use multiple text boxes and assign them each an index value. Oh VB6 how I miss you :P

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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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• How do I play a video through .net in windows 7

  - by Mykroft

  I had setup an app to play a video using the library suggested here this worked great for me for a long time until my machine was upgraded. In windows 7 I get the following exception that I'd never seen under XP: `System.BadImageFormatException: is not a valid Win32 application. (Exception from HRESULT: 0x800700C1) at MainApp.Controls.MediaControl.StopVideo() at System.Windows.Forms.Form.WmClose(Message& m) at System.Windows.Forms.Control.ControlNativeWindow.WndProc(Message& m) at System.Windows.Forms.NativeWindow.Callback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam)` I've installed the June 2010 DirectX SDK and I'm still getting this error. Is there a different library I should be using or some setting that needs to be changed?

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• Can a regex return a match that's not a part of the original string?

  - by Vishnu

  I'm using an application that requires me to provide a regex for various files. It uses the matches from the regex to uniquely identify each file and then use a data store to retrieve metadata about these files. there is however a problem with the application, so it assumes that the data which is used to identify each file is only numeric data. Hence, it stores the results of matches in integers. I control the data store but not the names of the files. Since the application has a bug in it, I was hoping that I could use an encoding scheme to convert the non-numeric data to an integer. But for that I'd require the regex to return something that's not part of the original string as a match. Is this possible?

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• Why is volatile not considered useful in multithreaded C or C++ programming?

  - by Michael E

  As demonstrated in this answer I recently posted, I seem to be confused about the utility (or lack thereof) of volatile in multi-threaded programming contexts. My understanding is this: any time a variable may be changed outside the flow of control of a piece of code accessing it, that variable should be declared to be volatile. Signal handlers, I/O registers, and variables modified by another thread all constitute such situations. So, if you have a global int foo, and foo is read by one thread and set atomically by another thread (probably using an appropriate machine instruction), the reading thread sees this situation in the same way it sees a variable tweaked by a signal handler or modified by an external hardware condition and thus foo should be declared volatile (or, for multithreaded situations, accessed with memory-fenced load, which is probably a better a solution). How and where am I wrong?

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• Can I set a style for the content of an iframe from the main page?

  - by Joel Coehoorn

  We have a page the embeds a Google Calendar in an iframe. Recently, a warning box div began appearing on the calendar that looks like this: <div id="warningBox" style="color:#aa0000;">Events from one or more calendars could not be shown here because you do not have the permission to view them.</div> Obviously the best solution here is to find the private events and remove them, but so far the search for those events has proved fruitless. This calendar is an aggregate of several calendars, including a few we don't control (ie weather). We're still looking, but in the meantime, I would like to try to hide that div. I know that iframes enforce the separation between the pages, such that the child page is pretty much a law unto itself. But surely there must be some way to set a style on an element inside the frame?

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• WebKit gets blank when clicking on the menu toolbar

  - by Miguel Ángel Ortuño

  Hi y'all. I've embebed a WebKit view into a modal dialog using Carbon and appereantly everything works fine. However there's a little problem. When I click on the menu toolbar the view gets completely blank getting visible only when I interact with it. Seems like the control stops reciving the 'paint window' event when I call MenuSelect function. All the events are managed by the parent window because of the nature of the application (videogame). Does anybody know what this behaviour is due to and how can I avoid it? Thanks for all.

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• Regarding focusing on the web part on a site on sharepoint after clicking

  - by Brigadier Jigar

  Hi Friends, I have deployed 3 web parts on a site on Sharepoint server. In my 3rd web part, I have a functionality which needs a button click. Now when I click that button, the whole page gets refreshed and I have to scroll down to see the change that has happened due to clicking that functionality in 3rd web part. Is there any way by which when i click on any point of the web part, the page is reloaded but the control point or the focus remains to the same position where I clicked... Help me out. Regards, Jigar

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