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  • filtering itunes library items by file location

    - by Cawas
    The Problem I've got way more than 1000 duplicated items in my iTunes Library pointing to a non-existant place (the "where" under "get info" window), along with other duplicated items and other MIAs (Missing In Action). Is there any simple way to just delete all of them and only them? By that I mean some MIAs are pointing to /Volumes while some are pointing to .../music/Music/... or just .../music/.... I want to delete all pointing to /Volumes as to later I'll recover the rest. Check the image below. Some Background I tried searching for a specific key word on the path and creating smart play list, but with no result. Being able to just sort all library by path would be a perfect solution! I believe old iTunes could do that. PowerTunes can do it (sort by path) but I can't do anything with its list. Yes, all of the /Volumes look like that.

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  • robots.txt file with more restrictive rules for certain user agents

    - by Carson63000
    Hi, I'm a bit vague on the precise syntax of robots.txt, but what I'm trying to achieve is: Tell all user agents not to crawl certain pages Tell certain user agents not to crawl anything (basically, some pages with enormous amounts of data should never be crawled; and some voracious but useless search engines, e.g. Cuil, should never crawl anything) If I do something like this: User-agent: * Disallow: /path/page1.aspx Disallow: /path/page2.aspx Disallow: /path/page3.aspx User-agent: twiceler Disallow: / ..will it flow through as expected, with all user agents matching the first rule and skipping page1, page2 and page3; and twiceler matching the second rule and skipping everything?

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  • Why is `cmd /C` living after it did its job?

    - by acidzombie24
    My question is why does "cmd" exist (idle) in my process after i update my exe? In my code i run this code to update myself and launch var args = string.Format(@"/C ping 1.1.1.1 -n 1 -w 3000 & move /Y ""{0}"" ""{1}"" & ""{1}"" {2}", updateFn, fn, exeargs); new Process() { StartInfo = new ProcessStartInfo(@"cmd", args) { CreateNoWindow = true, UseShellExecute = false } }.Start(); Environment.Exit(0); The idea is i exit right away and have ping stall for 3seconds before trying to replace my current exe with my updated exe. Then i launch with the necessary args The full arg for cmd looks like this /C ping 1.1.1.1 -n 1 -w 3000 & move /Y "c:\path\update" "c:\path\my.exe" & "c:\path\my.exe" exeargs Everything works fine however i see cmd in the taskmanager (looks to be idle) after my process is launched and correctly working. Why?

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  • XP Clients can't copy to networkshare

    - by chewbacca76
    i have a windows 2003 domain where i have strange problem. One of our file shares is on a 2003r2 domain controller, xp clients trying to copy files on the share are always getting the error error copying file or folder filename could not be copied. path too long while windows 7 clients work fine. Nothing unusal is found in the eventlog on both the server and the client. It doesn't matter if i access the share by fqdn or ip, the path is including filename shorter than 20 characters i.e. \path\share\file.txt Copying files to other servers is fine. Reading from the shares is ok too. Happened from one day to the other, one windows update that was installed this day (kb2736233) was removed but nothing changed. thanks for any tips

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  • How do I define multiple urls for svn project?

    - by yarun can
    I am working on a project in mixed environment (win, cygwin, linux) which is on a "shared ntfs drive". I am the sole user there for this project is not really duplicated for multiple users. The main issue I am facing is that the original svn project import was done with a cygwin path like "/cygdrive/z/path to svn project". Now when I am on win svn or linux svn this does not work with svn since such paths do not exists for those versions. Is there a way to define more than one path for the svn import, like maybe some kind of configuration that i can use to fire on the command line? thanks

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  • Protect foreach loop when empty list

    - by SteB
    Using Powershell v2.0 I want to delete any files older than X days: $backups = Get-ChildItem -Path $Backuppath | Where-Object {($_.lastwritetime -lt (Get-Date).addDays(-$DaysKeep)) -and (-not $_.PSIsContainer) -and ($_.Name -like "backup*")} foreach ($file in $backups) { Remove-Item $file.FullName; } However, when $backups is empty I get: Remove-Item : Cannot bind argument to parameter 'Path' because it is null. I've tried: Protecting the foreach with if (!$backups) Protecting the Remove-Item with if (Test-Path $file -PathType Leaf) Protecting the Remove-Item with if ([IO.File]::Exists($file.FullName) -ne $true) None of these seem to work, what if the recommended way of preventing a foreach loop from being entered if the list is empty?

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  • WPF DataGrid does not scoll on drag

    - by Greg R
    I have a strange problem with a WPF DataGrid from WPF Toolkit. The scrollbars appear correctly when the number of rows grows, and the scrolling works when you press up or down arrows on the scrollbar. The problem comes in when I try to drag the scrollbar on the datagrid. My page has a scroll viewer around it. When I click and drag the scrollbar on the grid, it scrolls the page scroller instead. If the scrollbar does not apear on the page, there grid still does not scroll. Is there a workaround for this??? Would really appreciate some help with this issue! For example, in this case if the page is < 280, it scrolls on drag. But drag scrolling does not work on the grid. <ScrollViewer ScrollViewer.IsDeferredScrollingEnabled="True" HorizontalScrollBarVisibility="Auto" VerticalScrollBarVisibility="Auto" > <DockPanel> <dg:DataGrid HorizontalScrollBarVisibility="Auto" SelectionMode="Single" CanUserAddRows="False" CanUserDeleteRows="False" CanUserResizeColumns="False" CanUserSortColumns="False" AutoGenerateColumns="False" RowHeaderWidth="17" ItemsSource="{Binding Path=OrderSearchVm}" IsReadOnly="True" MaxHeight="280" DockPanel.Dock="Top"> <dg:DataGrid.Columns> <dg:DataGridTextColumn Width="75" Header="Date" Binding="{Binding Path=OrderDate}" > <dg:DataGridTextColumn.ElementStyle> <Style TargetType="{x:Type TextBlock}"> <Setter Property="TextWrapping" Value="Wrap" /> </Style> </dg:DataGridTextColumn.ElementStyle> </dg:DataGridTextColumn> <dg:DataGridTextColumn Header="Type" Binding="{Binding Path=OrderType}" Width="45"/> <dg:DataGridTextColumn Header="Shipping Name" Binding="{Binding Path=ShipToName}" Width="115"> <dg:DataGridTextColumn.ElementStyle> <Style TargetType="{x:Type TextBlock}"> <Setter Property="TextWrapping" Value="Wrap" /> </Style> </dg:DataGridTextColumn.ElementStyle> </dg:DataGridTextColumn> <dg:DataGridTextColumn Header="Shipping Address " Binding="{Binding Path=ShipToAddress}" Width="160"> <dg:DataGridTextColumn.ElementStyle> <Style TargetType="{x:Type TextBlock}"> <Setter Property="TextWrapping" Value="Wrap" /> </Style> </dg:DataGridTextColumn.ElementStyle> </dg:DataGridTextColumn> <dg:DataGridTextColumn Header="E-Mail" Binding="{Binding Path=Email}" Width="140"> <dg:DataGridTextColumn.ElementStyle> <Style TargetType="{x:Type TextBlock}"> <Setter Property="TextWrapping" Value="Wrap" /> </Style> </dg:DataGridTextColumn.ElementStyle> </dg:DataGridTextColumn> </dg:DataGrid.Columns> </dg:DataGrid> </DockPanel> </ScrollViewer>

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  • Scaling MKMapView Annotations relative to the zoom level

    - by Jonathan
    The Problem I'm trying to create a visual radius circle around a annonation, that remains at a fixed size in real terms. Eg. So If i set the radius to 100m, as you zoom out of the Map view the radius circle gets progressively smaller. I've been able to achieve the scaling, however the radius rect/circle seems to "Jitter" away from the Pin Placemark as the user manipulates the view. The Manifestation Here is a video of the behaviour. The Implementation The annotations are added to the Mapview in the usual fashion, and i've used the delegate method on my UIViewController Subclass (MapViewController) to see when the region changes. -(void)mapView:(MKMapView *)pMapView regionDidChangeAnimated:(BOOL)animated{ //Get the map view MKCoordinateRegion region; CGRect rect; //Scale the annotations for( id<MKAnnotation> annotation in [[self mapView] annotations] ){ if( [annotation isKindOfClass: [Location class]] && [annotation conformsToProtocol:@protocol(MKAnnotation)] ){ //Approximately 200 m radius region.span.latitudeDelta = 0.002f; region.span.longitudeDelta = 0.002f; region.center = [annotation coordinate]; rect = [[self mapView] convertRegion:foo toRectToView: self.mapView]; if( [[[self mapView] viewForAnnotation: annotation] respondsToSelector:@selector(setRadiusFrame:)] ){ [[[self mapView] viewForAnnotation: annotation] setRadiusFrame:rect]; } } } The Annotation object (LocationAnnotationView)is a subclass of the MKAnnotationView and it's setRadiusFrame looks like this -(void) setRadiusFrame:(CGRect) rect{ CGPoint centerPoint; //Invert centerPoint.x = (rect.size.width/2) * -1; centerPoint.y = 0 + 55 + ((rect.size.height/2) * -1); rect.origin = centerPoint; [self.radiusView setFrame:rect]; } And finally the radiusView object is a subclass of a UIView, that overrides the drawRect method to draw the translucent circles. setFrame is also over ridden in this UIView subclass, but it only serves to call [UIView setNeedsDisplay] in addition to [UIView setFrame:] to ensure that the view is redrawn after the frame has been updated. The radiusView object's (CircleView) drawRect method looks like this -(void) drawRect:(CGRect)rect{ //NSLog(@"[CircleView drawRect]"); [self setBackgroundColor:[UIColor clearColor]]; //Declarations CGContextRef context; CGMutablePathRef path; //Assignments context = UIGraphicsGetCurrentContext(); path = CGPathCreateMutable(); //Alter the rect so the circle isn't cliped //Calculate the biggest size circle if( rect.size.height > rect.size.width ){ rect.size.height = rect.size.width; } else if( rect.size.height < rect.size.width ){ rect.size.width = rect.size.height; } rect.size.height -= 4; rect.size.width -= 4; rect.origin.x += 2; rect.origin.y += 2; //Create paths CGPathAddEllipseInRect(path, NULL, rect ); //Create colors [[self areaColor] setFill]; CGContextAddPath( context, path); CGContextFillPath( context ); [[self borderColor] setStroke]; CGContextSetLineWidth( context, 2.0f ); CGContextSetLineCap(context, kCGLineCapSquare); CGContextAddPath(context, path ); CGContextStrokePath( context ); CGPathRelease( path ); //CGContextRestoreGState( context ); } Thanks for bearing with me, any help is appreciated. Jonathan

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  • Play a sound based on the button pressed on the IPhone/xcode.

    - by slickplaid
    I'm trying to play a sound based on which button is pressed using AVAudioPlayer. (This is not a soundboard or fart app.) I have linked all buttons using this code in the header file: @interface appViewController : UIViewController <AVAudioPlayerDelegate> { AVAudioPlayer *player; UIButton *C4; UIButton *Bb4; UIButton *B4; UIButton *A4; UIButton *Ab4; UIButton *As4; UIButton *G3; UIButton *Gb3; UIButton *Gs3; UIButton *F3; UIButton *Fs3; UIButton *E3; UIButton *Eb3; UIButton *D3; UIButton *Db3; UIButton *Ds3; UIButton *C3; UIButton *Cs3; } @property (nonatomic, retain) AVAudioPlayer *player; @property (nonatomic, retain) IBOutlet UIButton *C4; @property (nonatomic, retain) IBOutlet UIButton *B4; @property (nonatomic, retain) IBOutlet UIButton *Bb4; @property (nonatomic, retain) IBOutlet UIButton *A4; @property (nonatomic, retain) IBOutlet UIButton *Ab4; @property (nonatomic, retain) IBOutlet UIButton *As4; @property (nonatomic, retain) IBOutlet UIButton *G3; @property (nonatomic, retain) IBOutlet UIButton *Gb3; @property (nonatomic, retain) IBOutlet UIButton *Gs3; @property (nonatomic, retain) IBOutlet UIButton *F3; @property (nonatomic, retain) IBOutlet UIButton *Fs3; @property (nonatomic, retain) IBOutlet UIButton *E3; @property (nonatomic, retain) IBOutlet UIButton *Eb3; @property (nonatomic, retain) IBOutlet UIButton *D3; @property (nonatomic, retain) IBOutlet UIButton *Db3; @property (nonatomic, retain) IBOutlet UIButton *Ds3; @property (nonatomic, retain) IBOutlet UIButton *C3; @property (nonatomic, retain) IBOutlet UIButton *Cs3; - (IBAction) playNote; @end Buttons are all linked to the event "playNote" in interfaceBuilder and each note is linked to the proper referencing outlet according to note name. All *.mp3 sound files are named after the UIButton name (IE- C3 == C3.mp3). In my implementation file, I have this to play a only one note when the C3 button is pressed: #import "sonicfitViewController.h" @implementation appViewController @synthesize C3, Cs3, D3, Ds3, Db3, E3, Eb3, F3, Fs3, G3, Gs3, A4, Ab4, As4, B4, Bb4, C4; // Implement viewDidLoad to do additional setup after loading the view, typically from a nib. - (void)viewDidLoad { NSString *path = [[NSBundle mainBundle] pathForResource:@"3C" ofType:@"mp3"]; NSLog(@"path: %@", path); NSURL *file = [[NSURL alloc] initFileURLWithPath:path]; AVAudioPlayer *p = [[AVAudioPlayer alloc] initWithContentsOfURL:file error:nil]; [file release]; self.player = p; [p release]; [player prepareToPlay]; [player setDelegate:self]; [super viewDidLoad]; } - (IBAction) playNote { [self.player play]; } Now, with the above I have two issues: First, the NSLog reports NULL and crashes when trying to play the file. I have added the mp3's to the resources folder and they have been copied and not just linked. They are not in an subfolder under the resources folder. Secondly, how can I set it up so that when say button C3 is pressed, it plays C3.mp3 and F3 plays F3.mp3 without writing duplicate lines of code for each different button? playNote should be like NSString *path = [[NSBundle mainBundle] pathForResource:nameOfButton ofType:@"mp3"]; instead of defining it specifically (@"C3"). Is there a better way of doing this and why does the *path report NULL and crash when I load the app? I'm pretty sure it's something as simple as adding additional variable inputs to - (IBAction) playNote:buttonName and putting all the code to call AVAudioPlayer in the playNote function but I'm unsure of the code to do this.

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  • GIT: clone works, remote push doesn't. Remote repository over copssh.

    - by Rui
    Hi all, I've "setup-a-msysgit-server-with-copssh-on-windows", following Tim Davis' guide and I was now learning how to use the git commands, following Jason Meridth's guide, and I have managed to get everything working fine, but now I can't pass the push command. I have set the server and the client on the same machine (for now), win7-x64. Here is some info of how things are set up: CopSSH Folder : C:/SSH/ Local Home Folder : C:/Users/rvc/ Remote Home Folder: C:/SSH/home/rvc/ # aka /cygdrive/c/SSH/home/rvc/ git remote rep : C:/SSH/home/rvc/myapp.git # empty rep At '/SSH/home/rvc/.bashrc' and 'Users/rvc/.bashrc': export HOME=/cygdrive/c/SSH/home/rvc gitpath='/cygdrive/c/Program Files (x86)/Git/bin' gitcorepath='/cygdrive/c/Program Files (x86)/Git/libexec/git-core' PATH=${gitpath}:${gitcorepath}:${PATH} So, cloning works (everything bellow is done via "Git Bash here" :P): rvc@RVC-DESKTOP /c/code $ git clone ssh://[email protected]:5858/SSH/home/rvc/myapp.git Initialized empty Git repository in C:/code/myapp/.git/ warning: You appear to have cloned an empty repository. rvc@RVC-DESKTOP /c/code $ cd myapp rvc@RVC-DESKTOP /c/code/myapp (master) $ git remote -v origin ssh://[email protected]:5858/SSH/home/rvc/myapp.git (fetch) origin ssh://[email protected]:5858/SSH/home/rvc/myapp.git (push) Then I create a file: rvc@RVC-DESKTOP /c/code/myapp (master) $ touch test.file rvc@RVC-DESKTOP /c/code/myapp (master) $ ls test.file Try to push it and get this error: rvc@RVC-DESKTOP /c/code/myapp (master) $ git add test.file rvc@RVC-DESKTOP /c/code/myapp (master) $ GIT_TRACE=1 git push origin master trace: built-in: git 'push' 'origin' 'master' trace: run_command: 'C:\Users\rvc\bin\plink.exe' '-batch' '-P' '5858' '[email protected] 68.1.65' 'git-receive-pack '\''/SSH/home/rvc/myapp.git'\''' git: '/SSH/home/rvc/myapp.git' is not a git command. See 'git --help'. fatal: The remote end hung up unexpectedly "git: '/SSH/home/rvc/myapp.git' is not a git command. See 'git --help'." .. what?! So, can anybody help? If you need any aditional information that I've missed, just ask. Thanks in advanced. EDIT: RAAAGE!! I'm having the same problem again, but now with ssh: rvc@RVC-DESKTOP /c/code/myapp (master) $ GIT_TRACE=1 git push trace: built-in: git 'push' trace: run_command: 'ssh' '-p' '5885' '[email protected]' 'git-receive-pack '\''/ SSH/home/rvc/myapp.git'\''' git: '/SSH/home/rvc/myapp.git' is not a git command. See 'git --help'. fatal: The remote end hung up unexpectedly I've tried GUI push, and shows the same message. git: '/SSH/home/rvc/myapp.git' is not a git command. See 'git --help'. Pushing to ssh://[email protected]:5885/SSH/home/rvc/myapp.git fatal: The remote end hung up unexpectedly Here's the currents .bashrc: C:\Users\rvc.bashrc (I think this is used only by cygwin/git bash): export HOME=/c/SSH/home/rvc gitpath='/c/Program Files (x86)/Git/bin' gitcorepath='/c/Program Files (x86)/Git/libexec/git-core' export GIT_EXEC_PATH=${gitcorepath} PATH=${gitpath}:${gitcorepath}:${PATH} C:\SSH\home\rvc.bashrc (.. and this is used when git connects via ssh to the "remote" server): export HOME=/c/SSH/home/rvc gitpath='/cygdrive/c/Program Files (x86)/Git/bin' gitcorepath='/cygdrive/c/Program Files (x86)/Git/libexec/git-core' export GIT_EXEC_PATH=${gitcorepath} PATH=${gitpath}:${gitcorepath}:${PATH}

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  • Multibinding File-Paths into a Button ControlTemplate

    - by Bill
    I am trying to develop an application that uses a number of images that are stored in a seperate remote file location. The file-paths to the UI elements are stored within the Application Settings. Although I understand how to access the images from Applications Settings using a MultiBinding and a value converter, I'm not sure how to integrate the Multibinding into the ImageButton ControlTemplate below. Can anyone steer me in the right direction? <Image.Source> <MultiBinding Converter="{StaticResource MyConverter}"> <Binding Source="{StaticResource Properties.Settings}" Path="Default.pathToInterfaceImages" /> <Binding Source="ScreenSaver.png"></Binding> </MultiBinding> </Image.Source> <Button Click="btn_ScreenSaver_Click" Style="{DynamicResource ThreeImageButton}" local:ThreeImageButton.Image="C:\Skins\ScreenSaver_UP.png" local:ThreeImageButton.MouseOverImage="C:\Skins\ScreenSaver_OVER.png" local:ThreeImageButton.PressedImage="C:\Skins\ScreenSaver_DOWN.png"/> <Style x:Key="ThreeImageButton" TargetType="{x:Type Button}"> <Setter Property="FontSize" Value="10"/> <Setter Property="Height" Value="34"/> <Setter Property="Template"> <Setter.Value> <ControlTemplate TargetType="{x:Type Button}"> <StackPanel Orientation="Horizontal" > <Image Name="PART_Image" Source= "{Binding Path=(local:ThreeImageButton.Image), RelativeSource={RelativeSource FindAncestor, AncestorType={x:Type Button}}}" /> </StackPanel> <ControlTemplate.Triggers> <Trigger Property="IsMouseOver" Value="True"> <Setter Property="Source" Value="{Binding Path=(local:ThreeImageButton.MouseOverImage), RelativeSource={RelativeSource FindAncestor, AncestorType={x:Type Button}}}" TargetName="PART_Image"/> </Trigger> <Trigger Property="IsPressed" Value="True"> <Setter Property="Source" Value="{Binding Path=(local:ThreeImageButton.PressedImage), RelativeSource={RelativeSource FindAncestor, AncestorType={x:Type Button}}}" TargetName="PART_Image"/> </Trigger> <Trigger Property="IsEnabled" Value="False"> <Setter Property="Source" Value="{Binding Path=(local:ThreeImageButton.Image), RelativeSource={RelativeSource FindAncestor, AncestorType={x:Type Button}}}" TargetName="PART_Image"/> </Trigger> </ControlTemplate.Triggers> </ControlTemplate> </Setter.Value> </Setter> </Style> public class ThreeImageButton : DependencyObject { // Add three new Dependency Properties to the Button Class to hold the // path to each of the images that are bound to the control, displayed // during normal, mouse-over and pressed states. public static readonly DependencyProperty ImageProperty; public static readonly DependencyProperty MouseOverImageProperty; public static readonly DependencyProperty PressedImageProperty; public static ImageSource GetImage(DependencyObject obj) { return (ImageSource)obj.GetValue(ImageProperty); } public static ImageSource GetMouseOverImage(DependencyObject obj) { return (ImageSource)obj.GetValue(MouseOverImageProperty); } public static ImageSource GetPressedImage(DependencyObject obj) { return (ImageSource)obj.GetValue(PressedImageProperty); } public static void SetImage(DependencyObject obj, ImageSource value) { obj.SetValue(ImageProperty, value); } public static void SetMouseOverImage(DependencyObject obj, ImageSource value) { obj.SetValue(MouseOverImageProperty, value); } public static void SetPressedImage(DependencyObject obj, ImageSource value) { obj.SetValue(PressedImageProperty, value); } // Register each property with the control. static ThreeImageButton() { var metadata = new FrameworkPropertyMetadata((ImageSource)null); ImageProperty = DependencyProperty.RegisterAttached("Image", typeof(ImageSource), typeof(ThreeImageButton), metadata); var metadata1 = new FrameworkPropertyMetadata((ImageSource)null); MouseOverImageProperty = DependencyProperty.RegisterAttached("MouseOverImage", typeof(ImageSource), typeof(ThreeImageButton), metadata1); var metadata2 = new FrameworkPropertyMetadata((ImageSource)null); PressedImageProperty = DependencyProperty.RegisterAttached("PressedImage", typeof(ImageSource), typeof(ThreeImageButton), metadata2); } }

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  • xaml : Retrigger opacity animation on multiple conditions

    - by Sdry
    I have a problem figuring out how datatriggers and multidatatriggers work. I am trying to display a message, and depending on the type of message keep it displayed( + having a background), or having it fade out by a double animation on the opacity property (+ having a transparent background). My xaml view has a game object as datacontext, which has a dependency property of type GameMessage, of which the constructor looks like this: public GameMessage(bool containsMessage, string message, bool canFadeAway) { ContainsMessage = containsMessage; Message = message; CanFadeAway = canFadeAway; } pretty straight forward, I want to display the message when ContainsMessage =equals true, and trigger a fade out animation if canFadeAway equals true. But also set the background based on canFadeAway. <Canvas Name="messageCanvas" Width="300" Height="100" Style="{StaticResource fadeInOut}"> <TextBlock Name="txtMessage" Text="{Binding Path=GameMessage.Message}" Canvas.Top="25" Canvas.Left="0" Foreground="{StaticResource MessageForegroundBrush}"> </TextBlock> </Canvas> Now, the Style and triggers is where I get into trouble: <Style.Triggers> <MultiDataTrigger> <MultiDataTrigger.Conditions> <Condition Binding="{Binding Path=GameMessage.ContainsMessage}" Value="True"/> <Condition Binding="{Binding Path=GameMessage.CanFadeAway}" Value="False"/> </MultiDataTrigger.Conditions> <Setter Property="Background" Value="{StaticResource MessageBackgroundBrush}" /> <Setter Property="Opacity" Value="8" /> </MultiDataTrigger> <MultiDataTrigger> <MultiDataTrigger.Conditions> <Condition Binding="{Binding Path=GameMessage.ContainsMessage}" Value="True"/> <Condition Binding="{Binding Path=GameMessage.CanFadeAway}" Value="True"/> </MultiDataTrigger.Conditions> <Setter Property="Background" Value="Transparent" /> <Setter Property="Opacity" Value="8" /> </MultiDataTrigger> <DataTrigger Binding="{Binding Path=GameMessage.CanFadeAway}" Value="True"> <DataTrigger.EnterActions> <BeginStoryboard > <Storyboard BeginTime="0:0:0" > <DoubleAnimation Storyboard.TargetProperty="Opacity" From="8" To="0" Duration="0:0:1" BeginTime="0:0:0" /> </Storyboard> </BeginStoryboard> </DataTrigger.EnterActions> <DataTrigger.ExitActions> <BeginStoryboard> <Storyboard> <DoubleAnimation Storyboard.TargetProperty="Opacity" To="8" Duration="0:0:0.1" /> </Storyboard> </BeginStoryboard> </DataTrigger.ExitActions> </DataTrigger> </Style.Triggers> </Style> The problem is in resetting the opacity when the GameMessage Property ( of type GameMessage) is of type true,msg",true, and gets replaced by a GameMessage object of the same kind. The opcacity remains 0, and messages only get restored again when I have a message of kind true,"msg,false. After the animation, the opacity is 0, and where I would expect the second multidatatrigger to set it back to 8, and then have the animation performed by the Datatrigger, it doesnt. What would be the best way to get this working ?

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  • being able to solve google code jam problem sets

    - by JPro
    This is not a homework question, but rather my intention to know if this is what it takes to learn programming. I keep loggin into TopCoder not to actually participate but to get the basic understand of how the problems are solved. But to my knowledge I don't understand what the problem is and how to translate the problem into an algorithm that can solve it. Just now I happen to look at ACM ICPC 2010 World Finals which is being held in china. The teams were given problem sets and one of them is this: Given at most 100 points on a plan with distinct x-coordinates, find the shortest cycle that passes through each point exactly once, goes from the leftmost point always to the right until it reaches the rightmost point, then goes always to the left until it gets back to the leftmost point. Additionally, two points are given such that the the path from left to right contains the first point, and the path from right to left contains the second point. This seems to be a very simple DP: after processing the last k points, and with the first path ending in point a and the second path ending in point b, what is the smallest total length to achieve that? This is O(n^2) states, transitions in O(n). We deal with the two special points by forcing the first path to contain the first one, and the second path contain the second one. Now I have no idea what I am supposed to solve after reading the problem set. and there's an other one from google code jam: Problem In a big, square room there are two point light sources: one is red and the other is green. There are also n circular pillars. Light travels in straight lines and is absorbed by walls and pillars. The pillars therefore cast shadows: they do not let light through. There are places in the room where no light reaches (black), where only one of the two light sources reaches (red or green), and places where both lights reach (yellow). Compute the total area of each of the four colors in the room. Do not include the area of the pillars. Input * One line containing the number of test cases, T. Each test case contains, in order: * One line containing the coordinates x, y of the red light source. * One line containing the coordinates x, y of the green light source. * One line containing the number of pillars n. * n lines describing the pillars. Each contains 3 numbers x, y, r. The pillar is a disk with the center (x, y) and radius r. The room is the square described by 0 = x, y = 100. Pillars, room walls and light sources are all disjoint, they do not overlap or touch. Output For each test case, output: Case #X: black area red area green area yellow area Is it required that people who program should be should be able to solve these type of problems? I would apprecite if anyone can help me interpret the google code jam problem set as I wish to participate in this years Code Jam to see if I can do anthing or not. Thanks.

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  • Changing color of HighlighBrushKey in XAML

    - by phil
    Hi, I have the following problem. The background color in a ListView is set LightGreen or White, whether a boolflag is true or false. Example Screen Window1.xaml: <Window.Resources> <Style TargetType="{x:Type ListViewItem}"> <Style.Triggers> <DataTrigger Binding="{Binding Path=BoolFlag}" Value="True"> <Setter Property="Background" Value="LightGreen" /> </DataTrigger> </Style.Triggers> </Style> </Window.Resources> <StackPanel> <ListView ItemsSource="{Binding Path=Personen}" SelectionMode="Single" SelectionChanged="ListViewSelectionChanged"> <ListView.View> <GridView> <GridViewColumn DisplayMemberBinding="{Binding Path=Vorname}" Header="Vorname" /> <GridViewColumn DisplayMemberBinding="{Binding Path=Nachname}" Header="Nachname" /> <GridViewColumn DisplayMemberBinding="{Binding Path=Alter}" Header="Alter" /> <GridViewColumn DisplayMemberBinding="{Binding Path=BoolFlag}" Header="BoolFlag" /> </GridView> </ListView.View> </ListView> </StackPanel> Window1.xaml.cs: public partial class Window1 : Window { private IList<Person> _personen = new List<Person>(); public Window1() { _personen.Add(new Person { Vorname = "Max", Nachname = "Mustermann", Alter = 18, BoolFlag = false, }); _personen.Add(new Person { Vorname = "Karl", Nachname = "Mayer", Alter = 27, BoolFlag = true, }); _personen.Add(new Person { Vorname = "Josef", Nachname = "Huber", Alter = 38, BoolFlag = false, }); DataContext = this; InitializeComponent(); } public IList<Person> Personen { get { return _personen; } } private void ListViewSelectionChanged(object sender, SelectionChangedEventArgs e) { Person person = e.AddedItems[0] as Person; if (person != null) { if (person.BoolFlag) { this.Resources[SystemColors.HighlightBrushKey] = Brushes.Green; } else { this.Resources[SystemColors.HighlightBrushKey] = Brushes.RoyalBlue; } } } } Person.cs: public class Person { public string Vorname { get; set; } public string Nachname { get; set; } public int Alter { get; set; } public bool BoolFlag { get; set; } } Now I want to set the highlight color of the selected item, depending on the boolflag. In Code-Behind I do this with: private void ListViewSelectionChanged(object sender, SelectionChangedEventArgs e) { Person person = e.AddedItems[0] as Person; if (person != null) { if (person.BoolFlag) { this.Resources[SystemColors.HighlightBrushKey] = Brushes.Green; } else { this.Resources[SystemColors.HighlightBrushKey] = Brushes.RoyalBlue; } } } } This works fine, but now I want to define the code above in the XAML-file. With <SolidColorBrush x:Key="{x:Static SystemColors.HighlightBrushKey}" Color="Green" /> I can overwrite the default-value. However, it works, but the color is set to Green for all selected items. I have tried different ways to switch the color of HighlightBrushKey between Green and Blue in XAML, depending on the boolflag, but I didn't succeed. May you can help me and give me some examples?

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  • xsl:include fails after upgrading PHP version; is libxml/libxslt version mismatch the issue?

    - by Wiseguy
    I'm running Windows XP with the precompiled PHP binaries available from windows.php.net. I upgraded from PHP 5.2.5 to PHP 5.2.16, and now the xsl:includes in some of my stylesheets stopped working. Testing each version in succession, I discovered that it worked up through 5.2.8 and does not work in 5.2.9+. I now get the following three errors for each xsl:include. Warning: XSLTProcessor::importStylesheet() [xsltprocessor.importstylesheet]: I/O warning : failed to load external entity "file%3A/C%3A/path/to/included/stylesheet.xsl" in ... on line 227 Warning: XSLTProcessor::importStylesheet() [xsltprocessor.importstylesheet]: compilation error: file file%3A//C%3A/path/to/included/stylesheet.xsl line 36 element include in ... on line 227 Warning: XSLTProcessor::importStylesheet() [xsltprocessor.importstylesheet]: xsl:include : unable to load file%3A/C%3A/path/to/included/stylesheet.xsl in ... on line 227 I presume this is because it cannot find the specified file. Many of the includes are in the same directory as the stylesheet being transformed and have no directory in the path, i.e. <xsl:include href="fileInSameDir.xsl">. Interestingly, in the first and third errors, it is displaying the file:// protocol with only one slash instead of the correct two. I'm guessing that's the problem. (When I hard-code a full path using "file:/" it fails, but when I hard-code a full path with "file://" it works.) But what could cause that? A bug in libxslt/libxml? I also found an apparent version mismatch between libxml and the version of libxml that libxslt was compiled against. 5.2.5 libxml Version = 2.6.26 libxslt compiled against libxml Version = 2.6.26 5.2.8 libxml Version = 2.6.32 libxslt compiled against libxml Version = 2.6.32 === it breaks in versions starting at 5.2.9 === 5.2.9 libxml Version = 2.7.3 libxslt compiled against libxml Version = 2.6.32 5.2.16 libxml Version = 2.7.7 libxslt compiled against libxml Version = 2.6.32 Up until PHP 5.2.9, libxslt was compiled against the same version of libxml that was included with PHP. But starting with PHP 5.2.9, libxslt was compiled against an older version of libxml than that which was included with PHP. Is this a problem with the distributed binaries or just a coincidence? To test this, I imagine PHP could be built with different versions of libxml/libxslt to see which combinations work or don't. Unfortunately, I'm out of my element in a Windows world, and building PHP on Windows seems over my head. Regrettably, I've been thus far unable to reproduce this problem with an example outside my app, so I'm struggling to narrow it down and can't submit a specific bug. So, do you think it is caused by a version mismatch problem in the distributed binaries? a bug introduced in PHP 5.2.9? a bug introduced in libxml 2.7? something else? I'm stumped. Any thoughts that could point me in the right direction are greatly appreciated. Thanks.

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  • How to determine if CNF formula is satisfiable in Scheme?

    - by JJBIRAN
    Program a SCHEME function sat that takes one argument, a CNF formula represented as above. If we had evaluated (define cnf '((a (not b) c) (a (not b) (not d)) (b d))) then evaluating (sat cnf) would return #t, whereas (sat '((a) (not a))) would return (). You should have following two functions to work: (define comp (lambda (lit) ; This function takes a literal as argument and returns the complement literal as the returning value. Examples: (comp 'a) = (not a), and (comp '(not b)) = b. (define consistent (lambda (lit path) This function takes a literal and a list of literals as arguments, and returns #t whenever the complement of the first argument is not a member of the list represented by the 2nd argument; () otherwise. . Now for the sat function. The real searching involves the list of clauses (the CNF formula) and the path that has currently been developed. The sat function should merely invoke the real "workhorse" function, which will have 2 arguments, the current path and the clause list. In the initial call, the current path is of course empty. Hints on sat. (Ignore these at your own risk!) (define sat (lambda (clauselist) ; invoke satpath (define satpath (lambda (path clauselist) ; just returns #t or () ; base cases: ; if we're out of clauses, what then? ; if there are no literals to choose in the 1st clause, what then? ; ; then in general: ; if the 1st literal in the 1st clause is consistent with the ; current path, and if << returns #t, ; then return #t. ; ; if the 1st literal didn't work, then search << ; the CNF formula in which the 1st clause doesn't have that literal Don't make this too hard. My program is a few functions averaging about 2-8 lines each. SCHEME is consise and elegant! The following expressions may help you to test your programs. All but cnf4 are satisfiable. By including them along with your function definitions, the functions themselves are automatically tested and results displayed when the file is loaded. (define cnf1 '((a b c) (c d) (e)) ) (define cnf2 '((a c) (c))) (define cnf3 '((d e) (a))) (define cnf4 '( (a b) (a (not b)) ((not a) b) ((not a) (not b)) ) ) (define cnf5 '((d a) (d b c) ((not a) (not d)) (e (not d)) ((not b)) ((not d) (not e)))) (define cnf6 '((d a) (d b c) ((not a) (not d) (not c)) (e (not c)) ((not b)) ((not d) (not e)))) (write-string "(sat cnf1) ") (write (sat cnf1)) (newline) (write-string "(sat cnf2) ") (write (sat cnf2)) (newline) (write-string "(sat cnf3) ") (write (sat cnf3)) (newline) (write-string "(sat cnf4) ") (write (sat cnf4)) (newline) (write-string "(sat cnf5) ") (write (sat cnf5)) (newline)

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  • UINavigationController crash because of pushing and poping UIViewControllers

    - by Wayne Lo
    My question is related to my discovery of a reason for UINavigationController to crash. So I will tell you about the discovery first. Please bare with me. The issue: I have a UINavigationController as as subview of UIWindow, a rootViewController class and a custom MyViewController class. The following steps will get a Exc_Bad_Access, 100% reproducible.: [myNaviationController pushViewController:myViewController_1stInstance animated:YES]; [myNaviationController pushViewController:myViewController_2ndInstance animated:YES]; Hit the left back tapBarItem twice (pop out two of the myViewController instances) to show the rootViewController. After a painful 1/2 day of try and error, I finally figure out the answer but also raise a question. The Solutio: I declared many objects in the .m file as a lazy way of declaring private variables to avoid cluttering the .h file. For instance, #impoart "MyViewController.h" NSMutableString*variable1; @implement ... -(id)init { ... varialbe1=[[NSMutableString alloc] init]; ... } -(void)dealloc { [variable1 release]; } For some reasons, the iphone OS may loose track of these "lazy private" variables memory allocation when myViewController_1stInstance's view is unloaded (but still in the navigation controller's stacks) after loading the view of myViewController_2ndInstance. The first time to tap the back tapBarItem is ok since myViewController_2ndInstance'view is still loaded. But the 2nd tap on the back tapBarItem gave me hell because it tried to dealloc the 2nd instance. Executing [variable release] resulted in Exc_Bad_Access because it pointed randomly (loose pointer). To fix this problem is simple, declare variable1 as a @private in the .h file. Here is my Question: I have been using the "lazy private" variables for quite some time without any issues until they are involved in UINavigationController. Is this a bug in iPhone OS? Or there is a fundamental misunderstanding on my part about Objective C? Please help.

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  • How to refactor this Javascript anonymous function?

    - by HeavyWave
    We have this anonymous function in our code, which is part of the jQuery's Ajax object parameters and which uses some variables from the function it is called from. this.invoke = function(method, data, callback, error, bare) { $.ajax({ success: function(res) { if (!callback) return; var result = ""; if (res != null && res.length != 0) var result = JSON2.parse(res); if (bare) { callback(result); return; } for (var property in result) { callback(result[property]); break; } } }); } I have omitted the extra code, but you get the idea. The code works perfectly fine, but it leaks 4 Kbs on each call in IE, so I want to refactor it to turn the anonymous function into a named one, like this.onSuccess = function(res) { .. }. The problem is that this function uses variables from this.invoke(..), so I cannot just take it outside of its body. How do I correctly refactor this code, so that it does not use anonymous functions and parent function variables?

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  • Ruby - Immutable Objects

    - by Chris Bunch
    I've got a highly multithreaded app written in Ruby that shares a few instance variables. Writes to these variables are rare (1%) while reads are very common (99%). What is the best way (either in your opinion or in the idiomatic Ruby fashion) to ensure that these threads always see the most up-to-date values involved? Here's some ideas so far that I had (although I'd like your input before I overhaul this): Have a lock that most be used before reading or writing any of these variables (from Java Concurrency in Practice). The downside of this is that it puts a lot of synchronize blocks in my code and I don't see an easy way to avoid it. Use Ruby's freeze method (see here), although it looks equally cumbersome and doesn't give me any of the synchronization benefits that the first option gives. These options both seem pretty similar but hopefully anyone out there will have a better idea (or can argue well for one of these ideas). I'd also be fine with making the objects immutable so they aren't corrupted or altered in the middle of an operation, but I don't know Ruby well enough to make the call on my own and this question seems to argue that objects are highly mutable.

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  • Unhandled Status Event (facebook application)

    - by Fahim Akhter
    Hi, I'm getting the following error looked around couldn't find a resultion to it. I'm working on Facebook btw with flash. Warning: AllowScriptAccess='never' found in HTML. This setting is ineffective and deprecated. See http://www.adobe.com/go/allowscriptaccess for details. One of your LocalConnection variables was able to connect say: calling callFBJS a329775198094_sendShoeNumber args ["test"] say: sending to _swf416624 method: asMethod args ["10"] Error #2044: Unhandled StatusEvent:. level=error, code= This is the code I am using: var connection:LocalConnection = new LocalConnection(); var connectionName:String = LoaderInfo(this.root.loaderInfo).parameters.fb_local_connection; // Used to get information from javascript connection.allowDomain("*"); connection.client = { asMethod: function(paramOne:Number) { trace("HAVE RECIEVED SOMETHING : "+paramOne); } }; // To call the javascript function callFBJS(methodName:String, parameters:Array):void { if (connectionNameOne) { connectionOne.send(connectionNameOne, "callFBJS", methodName,parameters); } } callFBJS("sendShoeNumber", ["test"]); connection.addEventListener(StatusEvent.STATUS, testStatus); // Listener for status event function testStatus(event:StatusEvent):void { switch (event.level) { case "status": trace("One of your LocalConnection variables was able to connect"); break; case "error": trace("One of your LocalConnection variables FAILED to connect"); break; } } Have been stuck on this for a while now.

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  • Makefile for DOS/Windows and Cygwin

    - by Thomas Matthews
    I need to have a makefile work under DOS (Windows) and Cygwin. I having problems with the makefile detecting the OS correctly and setting appropriate variables. The objective is to set variables for the following commands, then invoke the commands in rules using the variables: Delete file: rm in Cygwin, del in DOS. Remove directory: rmdir (different parameters in Cygwin and DOS) Copy file: cp in Cygwin, copy in DOS. Testing for file existance: test in Cygwin, IF EXIST in DOS. Listing contents of a file: cat in Cygwin, type in DOS. Here is my attempt, which always uses the else clause: OS_KIND = $(OSTYPE) #OSTYPE is an environment variable set by Cygwin. ifeq ($(OS_KIND), cygwin) ENV_OS = Cygwin RM = rm -f RMDIR = rmdir -r CP = cp REN = mv IF_EXIST = test -a IF_NOT_EXIST = ! test -a LIST_FILE = cat else ENV_OS = Win_Cmd RM = del -f -Q RMDIR = rmdir /S /Q IF_EXIST = if exist IF_NOT_EXIST = if not exist LIST_FILE = type endif I'm using the forward slash character, '/', as a directory separator. This is a problem with the DOS command, as it is interpreting it as program argument rather than a separator. Anybody know how to resolve this issue? Edit: I am using make with Mingw in both Windows Console (DOS) and Cygwin.

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  • iPhone: Proper use of View and View Controller

    - by Joel
    I've recently been doing a lot of Objective-C programming, and just got back into doing more iPhone development. I've done a lot of programming using MVC in other languages/frameworks, but I just want to make sure I'm using MVC properly in my iPhone Development. I created a new iPhone Utility Application, which creates two views: MainView and FlipsideView. Both have a controller (FlipsideViewController and MainViewController) and XIB file of their own. What I've been doing is putting the IBOutlet UIControl myControl variables in my MainView.h or FlipsideView.h files and then tying the controls in Interface Builder to those variables. Then I put any IBAction SomeAction myAction methods in the MainViewController.h and FlipsideViewController.h files and tying the events to those methods in Interface Builder. This seems to be conceptually correct, but seems to cause problems. Say I have a button that when clicked it changes a label's text. So the Controller doesn't have a clue of what the variable name of the label is in the OnTouchUp event handler for my button. So I make a @property for it. But since the MainViewController.view property isn't of type MyView, I get warnings or errors whenever I try to access those properties from the view controller. I am doing this correctly? Is there a better way to do this? If this is correct, how do I properly work with those variables without getting warnings or errors? Thanks

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  • SQL Server Multi-statement UDF - way to store data temporarily required

    - by Kharlos Dominguez
    Hello, I have a relatively complex query, with several self joins, which works on a rather large table. For that query to perform faster, I thus need to only work with a subset of the data. Said subset of data can range between 12 000 and 120 000 rows depending on the parameters passed. More details can be found here: http://stackoverflow.com/questions/3054843/sql-server-cte-referred-in-self-joins-slow As you can see, I was using a CTE to return the data subset before, which caused some performance problems as SQL Server was re-running the Select statement in the CTE for every join instead of simply being run once and reusing its data set. The alternative, using temporary tables worked much faster (while testing the query in a separate window outside the UDF body). However, when I tried to implement this in a multi-statement UDF, I was harshly reminded by SQL Server that multi-statement UDFs do not support temporary tables for some reason... UDFs do allow table variables however, so I tried that, but the performance is absolutely horrible as it takes 1m40 for my query to complete whereas the the CTE version only took 40minutes. I believe the table variables is slow for reasons listed in this thread: http://stackoverflow.com/questions/1643687/table-variable-poor-performance-on-insert-in-sql-server-stored-procedure Temporary table version takes around 1 seconds, but I can't make it into a function due to the SQL Server restrictions, and I have to return a table back to the caller. Considering that CTE and table variables are both too slow, and that temporary tables are rejected in UDFs, What are my options in order for my UDF to perform quickly? Thanks a lot in advance.

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  • Android - Dealing with a Dialog on Screen Orientation change

    - by Donal Rafferty
    I am overriding the onCreateDialog and onPrepareDialog methods or the Dialog class. I have followed the example from Reto Meier's Professional Android Application Development book, Chapter 5 to pull some XML data and then use a dialog to display the info. I have basically followed it exactly but changed the variables to suit my own XML schema as follows: @Override public Dialog onCreateDialog(int id) { switch(id) { case (SETTINGS_DIALOG) : LayoutInflater li = LayoutInflater.from(this); View settingsDetailsView = li.inflate(R.layout.details, null); AlertDialog.Builder settingsDialog = new AlertDialog.Builder(this); settingsDialog.setTitle("Provisioned Settings"); settingsDialog.setView(settingsDetailsView); return settingsDialog.create(); } return null; } @Override public void onPrepareDialog(int id, Dialog dialog) { switch(id) { case (SETTINGS_DIALOG) : String afpunText = " "; if(setting.getAddForPublicUserNames() == 1){ afpunText = "Yes"; } else{ afpunText = "No"; } String Text = "Login Settings: " + "\n" + "Password: " + setting.getPassword() + "\n" + "Server: " + setting.getServerAddress() + "\n"; AlertDialog settingsDialog = (AlertDialog)dialog; settingsDialog.setTitle(setting.getUserName()); tv = (TextView)settingsDialog.findViewById(R.id.detailsTextView); if (tv != null) tv.setText(Text); break; } } It works fine until I try changing the screen orientation, When I do this onPrepareDialog gets call but I get null pointer exceptions on all my variables. The error still occurs even when I tell my activity to ignore screen orientation in the manifest. So I presume something has been left out of the example in the book do I need to override another method to save my variables in or something?

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  • mod_rewrite with question marks and ampersands (with PHP)

    - by Chris
    I have a PHP-based web app that I'm trying to apply Apache's mod_rewrite to. Original URLs are of the form: http://example.com/index.php?page=home&x=5 And I'd like to transform these into: http://example.com/home?x=5 Note that while rewriting the page name, I'm also effectively "moving" the question mark. When I try to do this, Apache happily performs this translation: RewriteRule ^/([a-z]+)\?(.+)$ /index.php?page=$1&$2 [NC,L] But it messes up the $_GET variables in PHP. For example, a call to http://example.com/home?x=88 yields only one $_GET variable (page => home). Where did x => 88 go? However, when I change my rule to use an ampersand rather than a question mark: RewriteRule ^/([a-z]+)&(.+)$ /index.php?page=$1&$2 [NC,L] a call like http://example.com/home&x=88 will work just as I'd expect it to (i.e. both the page and x $_GET variables are set appropriately). The difference is minimal I know, but I'd like my URL variables to "start" with a question mark, if it's possible. I'm sure this reflects my own misunderstanding of how mod_rewrite redirects interact with PHP, but it seems like I should be able to do this (one way or another). Thanks in advance! Cheers, -Chris

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