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• My mouse pointer disappears on "system surfaces" , like background picture, menus, background for all kind of system menus

  - by Siegfried

  I have an annoying problem with Ubuntu 11.10, my mouse pointer disappears on the Ubuntu surface ( not in programs like firefox, libre office ..) The mouse pointer is there, but its size is only one pixel and in the white background of e.g. "system" it is not seen at all, although with "ctrl" I can see where it should be. I have not found any…

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• XSLT generating attributes if source-Element is in parameterfile

  - by Siegfried

  Hi, i got an xml-file with some elements. For some of these is an aqvivalent in a parameter xml-file along with some other elements. I want to add these other elements from parm-file as parameter to output file if element-names are matching. (the Attributes should only be generated if an element "InvoiceHeader" exists in the source-xml. Here…

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• How do I integrate popToRootViewControllerAnimated with my tabs?

  - by Adam Storr

  Hello! I am trying to make one of my tab buttons go to the root using popToRootViewControllerAnimated. My question is: where do I put this code for it to work? I have my tabs created through Interface Builder... do they have to be hard coded for this to work? Here is the code that I'm looking to use: [self.navigationController…

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• Twitter + OAuth Problem -- Cancel Button

  - by Adam Storr

  Hi everyone, I'm implementing OAuth to post on Twitter... which works perfectly. My issue is for those who entered the Twitter login area by accident and want to press the "Cancel" button. Unfortunately, the "Cancel" button is dismissed but then immediately reappears. Here is the code for the "Cancel" button: -…

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• Why don't copy this dokument attributes from the source xml file??

  - by siegfried storr

  Hi anyone, i'm working the first time with xslt and i really don't understand why this xsl don't copy attributes from the source xml. Perhaps someone can give me a hint?? <xsl:stylesheet version="2.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform"> <xsl:output omit-xml-declaration="yes"…

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• JSON to display text -- Freezes UI

  - by Adam Storr

  Hi everyone, I currently have a very simple view which displays info from a JSON feed. The problem I'm facing is the few second pause I encounter once I press this tab. How can I make this view load instantly and then have the label.text areas load after? Preferable with an activity indicator? …

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• Specify the owner in loadNibNamed:owner:options

  - by Siegfried

  I got an exception: this class is not key value coding-compliant for the key textField.' the exception occurs at this line: NSArray *nib = [[NSBundle mainBundle] loadNibNamed:@"cell" owner:?? options:nil]; What should be the owner if the class called cell.m owns this cell.xib?

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• iPhone. Com port communication

  - by Siegfried

  Is it possible that the iPhone can somehow send data or some control command to the computer's com ports via USB cable? Maybe use inline assembly language for instance? Thanks!

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• What is the relationship between delegate, proxy and adapter patterns?

  - by Siegfried

  What is the relationship between delegate, proxy and adapter patterns? It seems they are all similar in terms of doing something on behalf of another object. Can anyone summarize the relationship and difference between these 3 patterns? Thanks!

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• Git. Remote HEAD is ambiguous.

  - by Siegfried

  I checked the relevant thread but still can't solve this problem. When I typed "git remote show origin", I got * remote origin Fetch URL: xxxx Push URL: xxxx HEAD branch (remote HEAD is ambiguous, may be one of the following): development master Remote branches: …

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• iPhone. Detect another finger touch during one finger is touching on the screen

  - by Siegfried

  Is it possible to detect another finger touch during one finger is touching on the screen? I need to deal with the gesture of the 2nd finger during which I don't want my first finger to leave the screen. What should be the general logic in the code to handle this? Thanks.

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• Question about when user updates the iphone app, whether the data belongs to the app will be removed

  - by Siegfried

  When I release the update to my app in the appstore, and if the user updates the iphone app, will the data like core data in the external storage belongs to the app will be reset? If it is, how to keep the original data? Thanks!

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• iPhone. About action target again.

  - by Siegfried

  This line of code is in AController.m UIBarButtonItem *addButton = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemAdd target:self action:@selector(addItem)]; And -(void)addItem is also in AController.m If I want to call a method…

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• iphone. Somehow the controller.m can't load the controller.xib, any solution?

  - by Siegfried

  Somehow my controller.m can't load the controller.xib, any solution? It seems that controller.m disconnect to the xib file. I have checked the owner of xib and everything seems fine. What I did was trying to rename the file using the refactor. However, after rename,…

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• Is Ipad using OpenGL ES 2.0?

  - by Siegfried

  Is iPad using OpenGL ES 2.0? How about iPhone os 4.0. Is this supported by the OS or the hardware? And can anyone recommend some books on OpenGL ES development on iPad or iPhone? Thanks!

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• How to call constructor of the current class and parent class at the same time?

  - by Siegfried

  public class A{ public A(int a, int b) {...} } public class B : A{ List a; List b; public B(){...} //constructor1 public B(int a, int b) : base(a,b){...} //constructor2 } My question is I need to initialize both list a and b in class B. If I…

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• Does iPad or iPhone support OpenGL ES 2.0?

  - by Siegfried

  Does iPad or iPhone support OpenGL ES 2.0? How about iPhone os 4.0. Is this supported by the OS or the hardware? And can anyone recommend some books on OpenGL ES development on iPad or iPhone? Thanks!

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• Can I have different configuration of rows in different section of table view?

  - by Siegfried

  Can I have different configuration of rows in different section of table view? This method doesn't contains the section parameter: -(UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath So is it possible to do…

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• How to pass or assign variable when load the nib file?

  - by Siegfried

  UISomeController *controller = [[UISomeController alloc] initWithNibName:@"UISomeController" bundle:nil]; [self.navigationController pushViewController:controller animated:YES]; Is it possible to initialize some variables in the controller at the creation time?…

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• How to group methods belong to one entity in one class file in Core Data like Linq?

  - by Siegfried

  How to group methods belong to one entity in one class file in Core Data like Linq? In Linq, we can put all methods in the domain object class and reuse them, in Core Data, is there any way to create different classes for different entities? Or we can only use…

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• Where to put the action method for the button on the navigation bar inside a tab bar which is in the

  - by Siegfried

  Where to put the action method for the button on the navigation bar inside a tab bar which is in the MainWindow.xib? In the delegate.m??

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• Perl: How do I extract certain bits from a byte and then covert these bits to a hex value?

  - by Siegfried Hepp

  I need to extract certain bits of a byte and covert the extract bits back to a hex value. Example (the value of the byte is 0xD2) : 76543210 bit position 11010010 is 0xD2 Bit 0-3 defines the channel which is 0010b is 0x2 Bit 4-5 defines the controller…

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• iphone, need to put many text boxes on the view, how to scroll down to view more content?

  - by Siegfried

  iphone, need to put many text boxes on the view, how to scroll down to view more content? I actually put buttons and labels on the ScrollView, but the scrolling doesn't work. Do I need to write any code for that, any example? Thanks.

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• How to remove the secondary database created by sp_add_log_shipping_secondary_database

  - by Siegfried

  How to remove the secondary database created by sp_add_log_shipping_secondary_database

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