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  • Write STDOUT & STDERR to a logfile, also write STDERR to screen

    - by Stefan Lasiewski
    I would like to run several commands, and capture all output to a logfile. I also want to print any errors to the screen (or optionally mail the output to someone). Here's an example. The following command will run three commands, and will write all output (STDOUT and STDERR) into a single logfile. { command1 && command2 && command3 ; } > logfile.log 2>&1 Here is what I want to do with the output of these commands: STDERR and STDOUT for all commands goes to a logfile, in case I need it later--- I usually won't look in here unless there are problems. Print STDERR to the screen (or optionally, pipe to /bin/mail), so that any error stands out and doesn't get ignored. It would be nice if the return codes were still usable, so that I could do some error handling. Maybe I want to send email if there was an error, like this: { command1 && command2 && command3 ; } logfile.log 2&1 || mailx -s "There was an error" [email protected] The problem I run into is that STDERR loses context during I/O redirection. A '2&1' will convert STDERR into STDOUT, and therefore I cannot view errors if I do 2 error.log Here are a couple juicier examples. Let's pretend that I am running some familiar build commands, but I don't want the entire build to stop just because of one error so I use the '--keep-going' flag. { ./configure && make --keep-going && make install ; } > build.log 2>&1 Or, here's a simple (And perhaps sloppy) build and deploy script, which will keep going in the event of an error. { ./configure && make --keep-going && make install && rsync -av --keep-going /foo devhost:/foo} > build-and-deploy.log 2>&1 I think what I want involves some sort of Bash I/O Redirection, but I can't figure this out.

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  • UITableView less than full screen from code?

    - by Gerry
    I have a number of views that use UITableView. (I use UIViewController and implement UITableViewDelegate and UITableViewDataSource interfaces.) I'm having trouble creating a tableview that leaves room at the top for a toolbar. How to I size and layout the Tableview so that it is less than full screen? Is this an AutoResizing mask problem? Thanks, Gerry

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  • iPhone video screen capture for the 3GS

    - by teabot
    With the advent of the iPhone 3GS' video capability - does anyone know if Apple bundled the ability to capture the device screen as a video? Note: I know this question has already been asked regarding previous handset versions but I am specifically asking about the 3GS where this functionality seems more plausible. Update: until I hear otherwise I am going to have to accept that this is not possible.

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  • Auto screen rotation in windows 7 mobile

    - by Nagaraj
    We have developed a application for HTC HD2 mobile, which has windows 7 CE. I have designed application to work for both the orientation (portrait, landscape) Now I wanted to achieve auto screen rotation (portrait to landscape and landscape to portrait) according to the device movement (some thing like iPhone). Can i able to achieve it? if yes how can I? It will be appreciable if you provide me link or sample code.

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  • WPF performance for large number of elements on the screen

    - by Mark
    Im currently trying to create a Scene in WPF where I have around 250 controls on my screen and the user can Pan and Zoom in and out of these controls using the mouse. I have run the WPF Performance Suite tools on the application when there are a large number of these controls on the screen (i.e. when the user has zoomed right out) the FPS drops down to around 15 which is not very good. Here is the basic outline of the XAML: <Window> <Window.Resources> <ControlTemplate x:Key="LandTemplate" TargetType="{x:Type local:LandControl}"> <Canvas> <Path Fill="White" Stretch="Fill" Stroke="Black" StrokeThickness="1" Width="55.5" Height="74.687" Data="M0.5,0.5 L55,0.5 L55,74.187 L0.5,74.187 z"/> <Canvas x:Name="DetailLevelCanvas" Width="24.5" Height="21" Canvas.Left="15.306" Canvas.Top="23.972"> <TextBlock Width="21" Height="14" Text="712" TextWrapping="Wrap" Foreground="Black"/> <TextBlock Width="17.5" Height="7" Canvas.Left="7" Canvas.Top="14" Text="614m2" TextWrapping="Wrap" FontSize="5.333" Foreground="Black"/> </Canvas> </Canvas> </ControlTemplate> </Window.Resources> ... <local:LandControl Width="55.5" Height="74.552" Canvas.Top="xxx" Template=" {StaticResource LandTemplate}" RenderTransformOrigin="0.5,0.5" Canvas.Left="xxx"> <local:LandControl Width="55.5" Height="74.552" Canvas.Top="xxx" Template=" {StaticResource LandTemplate}" RenderTransformOrigin="0.5,0.5" Canvas.Left="xxx"> <local:LandControl Width="55.5" Height="74.552" Canvas.Top="xxx" Template=" {StaticResource LandTemplate}" RenderTransformOrigin="0.5,0.5" Canvas.Left="xxx"> <local:LandControl Width="55.5" Height="74.552" Canvas.Top="xxx" Template=" {StaticResource LandTemplate}" RenderTransformOrigin="0.5,0.5" Canvas.Left="xxx"> ... and so on... </Window> Ive tried to minimise the details in the control template and I even did a massive find and replace of the controls to just put their raw elements inline instead of using a template, but with no noticeable performance improvements. I have seen other SO questions about this and people say to do custom drawing, but I dont really see how that make sense when you have to zoom and pan like I do. If anyone can help out here, that would be great! Mark

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  • Invoke Blue Screen of Death using Managed Code

    - by Matthew Ruston
    Just curious here: is it possible to invoke a Windows Blue Screen of Death using .net managed code under Windows XP/Vista? And if it is possible, what could the example code be? Just for the record, this is not for any malicious purpose, I am just wondering what kind of code it would take to actually kill the operating system as specified.

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  • Web Application Loading Screen

    - by Matt Charlton
    I have a web app that has several tree views. When the page loads i see the unordered lists and after a small latency the styling of the tree is rendered into the DOM. Is there a way to mask the webapp, and have a spinner in the middle of the screen, and when everything on the page is fully rendered the spinner goes away and the mask fades out? Kind of like a semi transparent mask that you would see on a lightbox pop-up dialog.

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  • Android Screen Density Compatibility on 1.5

    - by fordays
    Hi, I'm getting ready to release my first application the marketplace. It's being written for devices running Android 1.5 and above, however there aren't any specific folders for the three different screen densities (I think those came around in 1.6). Should I make these folders myself? Where should I put image resources for the different densities and what should I put in my Manifest??

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