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  • iPhone rotation on demand

    - by yosh
    Is there a way to manually check current position of device AND ask device to automatically rotate it without waiting for user to actually rotate the device? Currently I control the rotation with several IFs in -shouldAutorotateToInterfaceOrientation but in few situations I have to stop the view from rotating and enable it again and I don't want user to rotate the device twice to have the desired orientation.

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  • Use the style defined in resource dictionary :

    - by Malcolm
    I have a style defined for listboxitem in a resource dictionary. I want to use this style in a cs file of listbox : I am doing the below thing but it gives me null ,CustomListBoxItemStyle is a name of a key given to the style. public class CustomListBox : ListBox { public CustomListBox() { this.ItemContainerStyle = Application.Current.Resources["CustomListBoxItemStyle"] as Style; } } There is no xaml for this. How to achieve this?

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  • Eclipselink and update trigger on multiple access to the database

    - by Raven
    Hi, in my project I have a database which many clients connect to. Concurrent access and writing works well. The problem now is not to reload the data every second from the database to always have the current status of the data. Does Eclipselink provide a trigger mechanism on (automatically?) reload the data if the database is changed? How would one use this trigger? Thanks!

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  • Finding good heuristic for A* search

    - by Martin
    I'm trying to find the optimal solution for a little puzzle game called Twiddle (an applet with the game can be found here). The game has a 3x3 matrix with the number from 1 to 9. The goal is to bring the numbers in the correct order using the minimum amount of moves. In each move you can rotate a 2x2 square either clockwise or counterclockwise. I.e. if you have this state 6 3 9 8 7 5 1 2 4 and you rotate the upper left 2x2 square clockwise you get 8 6 9 7 3 5 1 2 4 I'm using a A* search to find the optimal solution. My f() is simply the number of rotations need. My heuristic function already leads to the optimal solution but I don't think it's the best one you can find. My current heuristic takes each corner, looks at the number at the corner and calculates the manhatten distance to the position this number will have in the solved state (which gives me the number of rotation needed to bring the number to this postion) and sums all these values. I.e. You take the above example: 6 3 9 8 7 5 1 2 4 and this end state 1 2 3 4 5 6 7 8 9 then the heuristic does the following 6 is currently at index 0 and should by at index 5: 3 rotations needed 9 is currently at index 2 and should by at index 8: 2 rotations needed 1 is currently at index 6 and should by at index 0: 2 rotations needed 4 is currently at index 8 and should by at index 3: 3 rotations needed h = 3 + 2 + 2 + 3 = 10 But there is the problem, that you rotate 4 elements at once. So there a rare cases where you can do two (ore more) of theses estimated rotations in one move. This means theses heuristic overestimates the distance to the solution. My current workaround is, to simply excluded one of the corners from the calculation which solves this problem at least for my test-cases. I've done no research if really solves the problem or if this heuristic still overestimates in same edge-cases. So my question is: What is the best heuristic you can come up with? (Disclaimer: This is for a university project, so this is a bit of homework. But I'm free to use any resource if can come up with, so it's okay to ask you guys. Also I will credit Stackoverflow for helping me ;) )

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  • iOS - Open certain view controller with URL scheme

    - by hansenmd
    I'm playing around with URL schemes in my app. I easily made one to open my app, just adding the necessary items to info.plist. This current URL "myappname://" takes the user to the initial view controller, FirstTableViewController, but I was wondering if it would be possible to modify that URL scheme so it I can have one that takes the user to a certain view controller, such as ThirdTableViewController. I would use this as a handy feature in something like Launch Center.

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  • VS2010 Database Compare. How do you create a *.DBSchema extensioned file?

    - by George
    I'd like to take a snapshot of my database, make some changes and then use the db compare functionality to identify the changes, and who knows, maybe even generate scripts to make the change. I'd like to avoid having to backup the current db and restore it as a separate db just to have a "before" snapshot. I'm guessing I shouldn't have to. Obsviously, I'm clueless about db projects and am looking to be pointed in the right direction. ty!

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  • save Date Number in PHP variable.

    - by Denoteone
    This question goes along with another one of my post that I already accepted How do I get the "date number" in php 2010-08-24 20:00:00.000 I want to assign the current date number to a variable $current_date_num so I can use it in my query to compare what is already in the database. $query ="SELECT * FROM Reservations WHERE [Room_ID] = '$field' AND [Meeting Start] > '$current_date_num' ORDER BY [Meeting Start] asc ";

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  • How does file creation work in Java

    - by Ankur
    I am trying to create a file using File newFile = new File("myFile"); However no file called "myFile" is created. This is within a Web application Project i.e. proper form to be pakaged as a WAR but I am calling it as part of a main method (just to see how this works). How can I make it so that a new file is created at a location relative to the current one i.e not have to put in an absolute path.

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  • align an object

    - by Gaurav
    I wanted to align a newsticker about 300px above it's current position , but I am unable to do so. Please help. The page is uploaded for viewing at http://cerebration.0fees.net/test/bottom.html scroll down the page to find the newsticker. The css file contains the css code for the newsticker and the newsticker is of white color(color mentioned for identification). The html page code is at : http://pastebin.com/dP8dSEDS and the css code is as at : http://pastebin.com/46YvqwT7 Thanks in advance.

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  • primary key datatype in sql server database

    - by ooo
    i see after installing the asp.net membership tables, they use the data type "uniqueidentifier" for all of the primary key fields. I have been using "int" data type and doing increment by one on inserts. Is there any particular benefits to using the uniqueIdentifier data type compared to my current model of using int and auto increments on new inserts ?

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  • xargs command works on ubuntu, but not mac

    - by Corey Hart
    I have the following line of code that I use to update my personal date variable in my projects to todays current date. This line works in Ubuntu's terminal, but the Mac terminal seems to be far behind. Unfortunately, I copied this snippet from some site, so I'm not sure how it exactly works. Suggestions? grep -ilr --exclude=revar.sh --exclude=README.md "[DATE]" * | grep -v .git | xargs -i@ sed -i "s/\[DATE\]/${today}/g" @

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  • Accessing RequestContext from with my MembershipProvider

    - by ScottSEA
    Is there an easier/better way to access the RequestContext from within a custom Membership Provider than the following (and further, will this method even work): private static RequestContext GetRequestContext() { HttpContextBase contextBase = new HttpContextWrapper(HttpContext.Current); return new RequestContext( contextBase, RouteTable.Routes.GetRouteData(contextBase)); }

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  • How to check if *number* is in a array

    - by Emil
    Pretty basic programming question, I know PHP have a function for it, but does the iPhone OS have one? I want to check if the current indexPath is a value in an array. PHP Example: <?php $indexPath = 3; $array = array("0", "1", "2", "3", "4"); if (in_array($indexPath, $array)) { // Do something } ?> Does anybody know how to do the same thing inthe iPhone OS?

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  • How to remove segment at index at 0 of UISegmentcontrol in iphone?

    - by Warrior
    I am able to remove the segment at index 1,2,3 etc but not able to remove the segment at index 0 . [self readGroupFromDatabase]; NSLog(@"the current teble desc count value is %d",[tableDesc count]);---->0 if([tableDesc count]== 0){ [segemntedControl removeSegmentAtIndex:0 animated:NO]; } i am getting this error : *** Terminating app due to uncaught exception 'NSRangeException', reason: '*** -[NSCFArray objectAtIndex:]: index (-1( or possibly larger)) beyond bounds (5)' Please help me out.Thanks.

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  • How to make this if statement in bash

    - by Selmak
    Hi, I'm having a hard time figuring out how to do this if statement. I want to do this: IF (the function has only 1 argument AND $1 is a directory (in the current folder)) OR IF (the function has 2 arguments AND $1 is NOT a directory ) THEN .... END Sorry if it's not very clear, Thanks in advance

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  • Ways to avoid Memory Leaks in C/C++

    - by Ankur
    What are some tips I can use to avoid memory leaks in my applications? In my current project I use a tool "INSURE++" which finds the memory leak and generate the report. Apart from the tool is there any method to identify memory leaks and overcome it.

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  • Skipping a line and reading another line in shell script while loop

    - by parameswar
    i have a code which reads a file line by line using a while loop. Inside the while loop, i have certain conditions. Is there a way using which i can skip the current line and read the next line based upon the condition ? Let me be precise: while read Line do //some sample conditions a=$Line if [ "a" == "b" ] //i want to go to the next line from this point. done < **inputfile** Any help would be appreciated.

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  • Increasing the character length of the Title Column in Sharepoint Site

    - by Nathan Fisher
    Is it possible to increase the length of the Title column for a site above the 255 characters. My requirement is that I use a field that is longer than the maximum 255 chars but because the Title column is a required field I need to enter something in it. Rather than enter garbage just because I have to, I would like to use it. If not, then my current thoughts for a workaround will be make a copy of the first 255 chars of a seperate column that I am able to make longer.

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  • Silverlight Handle App MouseLeftButtonDown?

    - by user492488
    Hi All, In my silverlight project I have a Context Menu (right click menu) that I want to close it if I click anywhere outside it. I add handler to the click event on App: AddHandler App.Current.RootVisual.MouseLeftButtonDown, AddressOf HideMenu But the problem that: it does not enter the Handler when I click on any other command, or click on the same control that have the context menu, it is enter only when I click on an empty area outside the menu. Thanks.

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  • What is the best WebControl to create this

    - by balexandre
    current output wanted output current code public partial class test : System.Web.UI.Page { protected void Page_Load(object sender, EventArgs e) { if (!Page.IsPostBack) populateData(); } private void populateData() { List<temp> ls = new List<temp>(); ls.Add(new temp { a = "AAA", b = "aa", c = "a", dt = DateTime.Now }); ls.Add(new temp { a = "BBB", b = "bb", c = "b", dt = DateTime.Now }); ls.Add(new temp { a = "CCC", b = "cc", c = "c", dt = DateTime.Now.AddDays(1) }); ls.Add(new temp { a = "DDD", b = "dd", c = "d", dt = DateTime.Now.AddDays(1) }); ls.Add(new temp { a = "EEE", b = "ee", c = "e", dt = DateTime.Now.AddDays(2) }); ls.Add(new temp { a = "FFF", b = "ff", c = "f", dt = DateTime.Now.AddDays(2) }); TemplateField tc = (TemplateField)gv.Columns[0]; // <-- want to assign here just day gv.Columns.Add(tc); // <-- want to assign here just day + 1 gv.Columns.Add(tc); // <-- want to assign here just day + 2 gv.DataSource = ls; gv.DataBind(); } } public class temp { public temp() { } public string a { get; set; } public string b { get; set; } public string c { get; set; } public DateTime dt { get; set; } } and in HTML <asp:GridView ID="gv" runat="server" AutoGenerateColumns="false"> <Columns> <asp:TemplateField> <ItemTemplate> <asp:Label ID="Label1" runat="server" Text='<%# Eval("a") %>' Font-Bold="true" /><br /> <asp:Label ID="Label2" runat="server" Text='<%# Eval("b") %>' Font-Italic="true" /><br /> <asp:Label ID="Label3" runat="server" Text='<%# Eval("dt") %>' /> </ItemTemplate> </asp:TemplateField> </Columns> </asp:GridView> What I'm trying to avoid is repeat code so I can only use one unique TemplateField I can accomplish this with 3 x GridView, one per each day, but I'm really trying to simplify code as the Grid will be exactly the same (as the HTML code goes), just the DataSource changes. Any help is greatly appreciated, Thank you.

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  • Symfony: Routing 'secure' and 'login' actions to another application

    - by Darmen
    Hello, Suppose we have 3 apps - appMain, app1 and app2. Applications 1 and 2 are protected, they have is_secure: true and everything works fine with sfDoctrineGuard plugin. A behavior I want to achieve is when a user is not authenticated, current application to forward him to another one, say appMain with defined module and action. Is that possible? Or can someone tell me where to dig about security mechanisms in symfony?

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