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  • ASP.NET MVC Session Expiration

    - by Andrew Flanagan
    We have an internal ASP.NET MVC application that requires a logon. Log on works great and does what's expected. We have a session expiration of 15 minutes. After sitting on a single page for that period of time, the user has lost the session. If they attempt to refresh the current page or browse to another, they will get a log on page. We keep their request stored so once they've logged in they can continue on to the page that they've requested. This works great. However, my issue is that on some pages there are AJAX calls. For example, they may fill out part of a form, wander off and let their session expire. When they come back, the screen is still displayed. If they simply fill in a box (which will make an AJAX call) the AJAX call will return the Logon page (inside of whatever div the AJAX should have simply returned the actual results). This looks horrible. I think that the solution is to make the page itself expire (so that when a session is terminated, they automatically are returned to the logon screen without any action by them). However, I'm wondering if there are opinions/ideas on how best to implement this specifically in regards to best practices in ASP.NET MVC.

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  • iPad: Move UIView with animation, then move it back

    - by Joel
    I have the following code in a UIView subclass that will move it off the screen with an animation: float currentX = xposition; //variables that store where the UIView is located float currentY = yposition; float targetX = -5.0f - self.width; float targetY = -5.0f - self.height; moveX = targetX - currentX; //stored as an instance variable so I can hang on to it and move it back moveY = targetY - currentY; [UIView beginAnimations:@"UIBase Hide" context:nil]; [UIView setAnimationDuration:duration]; self.transform = CGAffineTransformMakeTranslation(moveX,moveY); [UIView commitAnimations]; It works just great. I've changed targetX/Y to 0 to see if it does indeed move to the specified point, and it does. The problem is when I try and move the view back to where it was originally: moveX = -moveX; moveY = -moveY; [UIView beginAnimations:@"UIBase Show" context:nil]; [UIView setAnimationDuration:duration]; self.transform = CGAffineTransformMakeTranslation(moveX,moveY); [UIView commitAnimations]; This puts the UIView about 3x as far as it should. So the view usually gets put off the right side of the screen (depending on where it is). Is there something with the CGAffineTransforMakeTranslation function that I should know? I read the documentation, and from what I can tell, it should be doing what I'm expecting it to do. Anyone have a suggestion of how to fix this? Thanks.

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  • Keyboard Animation Issues When Calling becomeFirstResponder within a Modal View Controller

    - by LucasTizma
    I've been having some issues with calling -becomeFirstResponder on a UITextField contained with a view controller that is presented modally. I call this method in the modal view controller's -viewDidLoad method so that the keyboard is immediately displayed. What I expected is for both the keyboard and the modal view controller to animate from up the bottom of the screen at the same time. However, what I'm observing is the following: There is a ~0.2 second UI lag between clicking the button that calls the -presentModalViewController:animated: method on the parent view controller and when the child view controller begins to animate modally. The keyboard is immediately presented with absolutely no animation about half-way through the modal view controller's animation. Once the modal view controller's animation is complete, everything else seems to operate smoothly. Dismissing the modal view controller results in it being smoothly animated off screen (along with the keyboard, coincidentally). It's as if the keyboard's animation and the modal view controller's animation are both competing for some lower-level Core Animation resource at the same time, but I don't see why this should be happening. What further seems to corroborate this hunch is if I don't ask the UITextField to become the first responder (i.e., if I don't ask the keyboard to present itself), then there is absolutely no UI lag, and the modal view controller animates instantly. Interestingly, if I do something like [self.textField performSelector:@selector(becomeFirstResponder) withObject:nil afterDelay:0.0001]; then the animation of the keyboard happens nearly at the same time as the modal view controller's animation -- it's extremely difficult to tell that they aren't both being animated at the exact same time. Furthermore, there's no more UI lag. Has anyone experienced anything similar to this?

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  • Flex HTMLLoader component not raising mouseDown events for all mouse clicks

    - by shane
    I have built a Air 2/Flex 4 kiosk application with Flash Builder 4. Currently I am implementing a touch screen browser to enable users to navigate company training videos. In an attempt to improve the usability of the website on the touchscreen I have placed the HTML component in an adaption of Doug McCune's DragScrollingCanvas (updated to use the flex 4 'Scroller' component) to allow users to scroll the webpage by dragging their finger across the screen. The mouseDown event is used to start scrolling the viewport. In addition the webpage was modified to disable text selection with the following css: html { -webkit-user-select: none; cursor: default; } The problem I face is that the HTMLLoader component only fires a mouseDown if a link/input/button on the webpage is clicked, not when the background or any text is clicked. In addition if I remove the custom css the mouseDown event will not fire when text is being selected, but will if previously highlighted text is clicked. As an alternative I also tried adding a group container with the same dimensions as the HTMLLoader to detect the mouseDown events (so that the group container and HTMLLoader have the same Dragable parent container) and was able to capture mouseDown events and scroll the viewport as expected. However as the mouse event is handled by the group container, I am now unable to navigate the webpage. Does anybody know why the HTMLLoader component is not raising mouseDown events for all mouse clicks?

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  • Force a UIView to redraw immediately, instead of during next run loop

    - by Justin Kent
    I've created a UIImagePicker / camera view, with a toolbar and custom button for taking a snapshot. I can't really change to using the default way because of the custom button, and I'm drawing on top of the view. When you hit the button, I want to take a screenshot using UIGetScreenImage(); however, the toolbar is showing up in the image, even if I hide it first: //hide the toolbar self.toolbar.hidden = YES; // capture the screen pixels CGImageRef screenCap = UIGetScreenImage(); I'm pretty sure this is because even though the toolbar is hidden, it gets redrawn once the function returns and we enter the next run loop - after UIGetScreenImage is called. I tried making the following addition, but it didn't help: //hide the toolbar self.toolbar.hidden = YES; [self.toolbar drawRect:CGRectMake(0, 0, 320, 52)]; // capture the screen pixels CGImageRef screenCap = UIGetScreenImage(); I also tried using setNeedsDisplay, but that doesn't work either because once again the draw happens after the current function returns. Any suggestions? Thanks!

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  • HTML inside webView

    - by Samuh
    I am posting some data to a server using DefaultHttpClient class and in the response stream I am getting a HTML file. I save the stream as a string and pass it onto another activity which contains a WebView to render this HTML on the screen: response = httpClient.execute(get); InputStream is = response.getEntity().getContent(); BufferedReader br = new BufferedReader(new InputStreamReader(is,"utf-8")); StringBuffer sb = new StringBuffer(); String line; while((line=br.readLine())!=null){ sb.append(line); sb.append("\n"); } is.close(); Intent intent = new Intent(this,Trial.class); intent.putExtra("trial",sb.toString()); startActivity(intent); Log.i("SB",sb.toString()); In Second Activity, the code to load the WebView reads: WebView browser = ((WebView)findViewById(R.id.trial_web)); browser.getSettings().setJavaScriptEnabled(true); browser.loadData(html,"text/html", "utf-8"); When I run this code, the WebView is not able to render the HTML content properly. It actually shows the HTML string in URL encoded format on the screen. Interestingly, If I copy the Loggers output to HTML file and then load this HTML in my WebView(using webview.loadurl(file:///assets/xyz.html)) everything works fine. I suspect some problem with character encoding. What is going wrong here? Please help. Thanks.

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  • Making a Text-To-Speech Wrapper in Android

    - by John Montgomery
    I am attempting to create a wrapper class for Google Android's Text-To-Speech functionality. However, I'm having trouble finding a way to have the system pause until after the onInit function has finished. Attached at the bottom is something of a solution I created based on what I found here: http://stackoverflow.com/questions/1160876/android-speech-how-can-you-read-text-in-android However, this solution does not seem to work. Any thoughts on why this might not be working, or what would be a good idea in order to make sure that any Speak() calls happen after my onInit() call? public class SpeechSynth implements OnInitListener { private TextToSpeech tts; static final int TTS_CHECK_CODE = 0; private int ready = 0; private ReentrantLock waitForInitLock = new ReentrantLock(); SpeechSynth( Activity screen ) { ready = 0; tts = new TextToSpeech( screen, this ); waitForInitLock.lock(); } public void onInit(int status) { if (status == TextToSpeech.SUCCESS) { ready = 1; } waitForInitLock.unlock(); } public int Speak( String text ) { if( ready == 1 ) { tts.speak(text, TextToSpeech.QUEUE_ADD, null); return 1; } else { return 0; } } } I have been able to make it so that I can pass a string of text through the constructor, then have it played in the onInit() function. However, I would really like to avoid having to destroy and re-create the whole text-to-speech engine every time I need to have my program say something different.

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  • UITouch Event Propagation To Background UIViews

    - by drewww
    I'm having troubles getting any UIView that's not the foreground UIView to receive UITouch events. I'm building an all-Core Graphics-app, so I'm not using any built in UIViews or IB or anything - everything is programmatically constructed and drawn into. Here's my view hierarchy: Root View Type A Container Type A View Type A View Type A View Type B Container Type B View Type B View Type B View The containers are just vanilla UIView objects that I create programmatically and add instances of Type A and B to when they're created. I did this originally to make hitTesting easier—Type A objects can be drag-and-dropped onto Type B objects. Type A objects receive touch events fine, but Type B objects (which are contained by Type B Container which is behind Type A Container) don't receive touch events. Both containers occupy the entire screen; they're basically just convenience containers. If I pull Type B Container to the front (eg [self.view bringSubviewToFront:Type B Container]) it receives events properly, but then the Type A Container doesn't get events. How do I propagate events from the view that's on top? Both views occupy the entire screen, so it makes sense that the top-most view is catching the events, but how should I get it to pass those events on to Type B Container? I could inject some code in the container that passes the touch events back to the main ViewController which can pass them on to Type B Container but that feels really messy to me. Is there a nicer way to not have the Type A Container stop propagation? What's the best practice here?

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  • How to use Scala in IntelliJ IDEA (or: why is it so difficult to get a working IDE for Scala)?

    - by Alex R
    I recently gave up trying to use Scala in Eclipse (basic stuff like completion doesn't work). So now I'm trying IntelliJ. I'm not getting very far. I've been able to edit programs (within syntax highlighting and completion... yay!). But I'm unable to run even the simplest "Hello World". This was the original error: Scala signature Predef has wrong version Expected 5.0 found: 4.1 in .... scala-library.jar But that was yesterday with IDEA 9.0.1. See below... UPDATE Today I uninstalled IntelliJ 9.0.1, and installed 9.0.2 Early Availability, with the 4/14 stable version of the Scala plug-in. Then I setup a project from scratch through the wizards: new project from scratch JDK is 1.6.u20 accept the default (project) instead of global / module accept the download of Scala 2.8.0beta1 into project's lib folder Created a new class: object hello { def main(args: Array[String]) { println("hello: " + args); } } For my efforts, I now have a brand-new error :) Here it is: Scalac internal error: class java.lang.ClassNotFoundException [java.net.URLClassLoader$1.run(URLClassLoader.java:202), java.security.AccessController.doPrivileged(Native Method), java.net.URLClassLoader.findClass(URLClassLoader.java:190), java.lang.ClassLoader.loadClass(ClassLoader.java:307), sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301), java.lang.ClassLoader.loadClass(ClassLoader.java:248), java.lang.Class.forName0(Native Method), java.lang.Class.forName(Class.java:169), org.jetbrains.plugins.scala.compiler.rt.ScalacRunner.main(ScalacRunner.java:72)] FINAL UPDATE I uninstalled 9.0.2 EA and reinstalled 9.0.1, but this time went with the 2.7.3 version of Scala rather than the default 2.7.6, because 2.7.3 is the one shown in the screen-shots at the IntelliJ website (I guess the screen-shots prove that they actually tested this version!). Now everything works!!!

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  • Double buffering with C# has negative effect

    - by Roland Illig
    I have written the following simple program, which draws lines on the screen every 100 milliseconds (triggered by timer1). I noticed that the drawing flickers a bit (that is, the window is not always completely blue, but some gray shines through). So my idea was to use double-buffering. But when I did that, it made things even worse. Now the screen was almost always gray, and only occasionally did the blue color come through (demonstrated by timer2, switching the DoubleBuffered property every 2000 milliseconds). What could be an explanation for this? using System; using System.Drawing; using System.Windows.Forms; namespace WindowsFormsApplication1 { public partial class Form1 : Form { public Form1() { InitializeComponent(); } private void Form1_Paint(object sender, PaintEventArgs e) { Graphics g = CreateGraphics(); Pen pen = new Pen(Color.Blue, 1.0f); Random rnd = new Random(); for (int i = 0; i < Height; i++) g.DrawLine(pen, 0, i, Width, i); } // every 100 ms private void timer1_Tick(object sender, EventArgs e) { Invalidate(); } // every 2000 ms private void timer2_Tick(object sender, EventArgs e) { DoubleBuffered = !DoubleBuffered; this.Text = DoubleBuffered ? "yes" : "no"; } } }

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  • Smoothing touch-based animation in iPhone OpenGL?

    - by quixoto
    I know this is vague, but looking for general tips/help on this, as it's not an area of significant expertise for me. I have some iPhone code that's basically an EAGL view handling a single touch. The app draws (using GL) a circle via triangle fan at the touch point, and moves it when the user moves the touch point, and re-renders the view then. When dragging a finger slowly, the circle keeps up and consistent with the finger as it moves. If I scribble my finger quickly back and forth across the screen, the rendering doesn't keep up with the touch motion, so you see an optical illusion of "multiple" discrete circles on the screen "at once". (Normal persistence of vision illusion). This optical illusion is jarring. How can I make this look more natural? Can I blur the motion of the circle somehow? Is this result the evidence of some bad frame rate issue? I see this artifact even when nothing else is being rendered, so I think this might just be as fast as we can go. Any hints or suggestions? Much appreciated. Thanks.

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  • iPhone SDK - (void)viewDidLoad { } - Show Progress

    - by Hank Brekke
    I have a long - (void)viewDidLoad { } function that uses the internet to load a page, and whenever the application loads the URL, the screen is black. I have a UIActivityIndicator setup to show that the address is loading, but I don't know how to prevent it from seeming as if the application is not responding, and I don't want to show the network activity indicator [[UIApplication sharedApplication] setNetworkActivityIndicatorVisible:YES]; because the screen will still be black, just with a loader in the top corner. My code is below: - (void)viewDidLoad { NSUserDefaults *defaults = [NSUserDefaults standardUserDefaults]; email.text = [defaults objectForKey:@"mom_email"]; pass.text = [defaults objectForKey:@"mom_pass"]; if (email.text != nil && pass.text != nil) { [self login:loginBtn]; } } - (IBAction)login:(id)sender { [email resignFirstResponder]; [pass resignFirstResponder]; [loader startAnimating]; // Does nothing though NSString *em = (NSString *)CFURLCreateStringByAddingPercentEscapes(NULL,(CFStringRef)email.text,NULL,(CFStringRef)@"!*'();:@&=+$,/?%#[]",kCFStringEncodingUTF8); NSString *ps = (NSString *)CFURLCreateStringByAddingPercentEscapes(NULL,(CFStringRef)pass.text,NULL,(CFStringRef)@"!*'();:@&=+$,/?%#[]",kCFStringEncodingUTF8); NSURL *url = [[NSURL alloc] initWithScheme:@"http" host:@"localhost" path:[[NSString alloc] initWithFormat:@"/app/login.php?email=%@&pass=%@", em, ps]]; NSURLRequest *request = [NSURLRequest requestWithURL:url]; NSData *data = [NSURLConnection sendSynchronousRequest:request returningResponse:nil error:nil]; NSString *loginResult = [[NSString alloc] initWithData:data encoding:NSASCIIStringEncoding]; [loader stopAnimating]; NSRange range = [loginResult rangeOfString:@"1"]; if (range.location != NSNotFound) { [self dismissModalViewControllerAnimated:YES]; // Doesn't do anything if function called from viewDidLoad } }

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  • Two Linked CSS Files Not working

    - by Oscar Godson
    <head> <title>Water Bureau</title> <link rel="shortcut icon" href="/favicon.ico" /> <link rel="stylesheet" href="/css/main.css" type="text/css" media="screen" title="Main CSS"> <link rel="stylesheet" href="custom.css" type="text/css" media="screen" title="Custom Styles"> <script language="JavaScript" src="/shared/js/createWin.js" type="text/javascript"></script> </head> Thats the code, but the "custom.css" isn't working. It doesn't work at all. If we add a @import into main.css OR into the header instead of a it works fine though. Any ideas? We also got rid of the media="screens" on both as well. The CSS inside of it is working fine, it's just when we stack those two, the first one parsed is the only one read by the browser. So if we swap main below custom, custom than works but NONE of main works. and custom just has snippet of CSS, and doesn't override all the CSS in main, just 1 element. I can't figure it out! We have other ed stylesheets in the head (which we took out for trying to fix this) and they worked fine...

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  • Problems compiling peazip on OSX

    - by Yansky
    I'm having some problems with compiling Peazip on OSX (10.6). I emailed the Peazip developer and he said he probably couldn't help me too much as the error seems to be OSX specific and he doesn't have access to an OSX machine any more. The compiler I'm using is Lazarus as the source is in Pascal. The actual compile process seems to go ok, but when I run the peazip.app program launcher, I get the following error: http://img.photobucket.com/albums/v215/thegooddale/Screen-shot-2010-05-22-at-71907-PM.png Here is the app launcher that the compile made: http://forboden.com/coding/peazip.app.zip - you can use an unzip program to look at the files inside (i.e. unzip it twice). I also tried just running the peazip unix file executable that was produced after the compile from the terminal and I got this: http://img.photobucket.com/albums/v215/thegooddale/Screen-shot-2010-05-22-at-72148-PM.png Here are the messages from the compile log from Lazarus while compiling Peazip: http://pastebin.com/qK4bdncL (I asked on the Lazarus forums and they said I can just ignore those "ld: warning: unknown stabs type" warnings). Here is the info from the project_peach.compiled file: <?xml version="1.0"?> <CONFIG> <Compiler Value="/usr/local/bin/ppc386" Date="1238949773"/> <Params Value=" -MObjFPC -Sgi -O1 -gl -k-framework -kCarbon -k-framework -kOpenGL -k'-dylib_file' -k'/System/Library/Frameworks/OpenGL.framework/Versions/A/Libraries/libGL.dylib:/System/Library/Frameworks/OpenGL.framework/Versions/A/Libraries/libGL.dylib' -WG -vewnhi -l -Fu/Users/yansky/Desktop/peazip-3.1.src/res/themes/crystalc/ -Fu/Developer/lazarus/components/synedit/units/i386-darwin/ -Fu/Developer/lazarus/ideintf/units/i386-darwin/ -Fu/Developer/lazarus/lcl/units/i386-darwin/ -Fu/Developer/lazarus/lcl/units/i386-darwin/carbon/ -Fu/Developer/lazarus/packager/units/i386-darwin/ -Fu/Users/yansky/Desktop/peazip-3.1.src/ -Fu. -opeazip -dLCL -dLCLcarbon project_peach.lpr"/> </CONFIG> I guess there's little chance that anyone here has experience with Pascal and Lazarus since it's not that popular a language and the compiler is still in beta, but I thought I would post here in the hopes that someone might point me in the right general direction about where/how the peazip.app launcher is breaking.

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  • Putting a MovieMaterial behind a DAE model in Papervision3D

    - by didibus
    Hi, I'm doing a project using FLARManager augmented reality and the Papervision3D library. Unfortunately, Papervision is giving me a lot of problems. My scene3D contains a DAE model and a plane. The plane has a MovieMaterial and is playing a video through FLVPlayback. The DAE and the plane are both inside the same DisplayObject3D container. FLARManager transforms the container so that everything appears through the angle of the marker. My DAE model is a TV, the screen of the TV is transparent. I want to have my Plane inside of my DAE model, so that the Movie playing on the plane material appears to be what is playing on the TV. The problem is that, even if the plane has a lower Z index then the TV, it always appears in front of the TV. How do I have my plane and its MovieMaterial appear behind the TV, so that some of its corners are cut out by the TV and the part of the TV thats transparent let me see the Movie? If its impossible, anyone has an idea of how I could get the desired effect of having a movie play on the screen of my DAE tv model? Thank You.

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  • GMap.NET shows no map

    - by Mariusz
    I'm trying to use the GMap.NET.WindowsForms control in my Windows forms application but I cannot make it show me any map. Here is what I did: I added the control to my Visual Studio's 2010 toolbox by clicking 'Choose Items...' from the toolbox's context menu and browsing for the GMap.NET.WindowsForms.dll included in the downloaded zip archive. I also added references to GMap.NET.Core.dll and System.Data.SQLite.dll in my solution. Then I put the GMapControl that appeared in the toolbox on the main form of my application and set the map type to GoogleMap. When I run my application, however, the control shows either a blue screen with a piece of text saying "We are sorry, but we don't have imagery at this zoom level for this region" or a bright screen with completely no data (when I change zoom level). Here is my code: GMapMain.MapType = MapType.GoogleMap; GMapMain.MaxZoom = 100; GMapMain.MinZoom = 0; GMapMain.Zoom = 50; GMapMain.CurrentPosition = new PointLatLng(54.6961334816182, 25.2985095977783); GMapMain.ReloadMap(); Please help. I have no idea what to do and I cannot find any information in the Internet that could help me solve the problem. Thank you very much in advance.

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  • CQRS - The query side

    - by mattcodes
    A lot of the blogsphere articles related to CQRS (command query repsonsibility) seperation seem to imply that all screens/viewmodels are flat. e.g. Name, Age, Location Of Birth etc.. and thus the suggestion that implementation wise we stick them into fast read source etc.. single table per view mySQL etc.. and pull them out with something like primitive SqlDataReader, kick that nasty nhibernate ORM etc.. However, whilst I agree that domain models dont mapped well to most screens, many of the screens that I work with are more dimensional, and Im sure this is pretty common in LOB apps. So my question is how are people handling screen where by for example it displays a summary of customer details and then a list of their orders with a [more detail] link etc.... I thought about keeping with the straight forward SQL query to the Query Database breaking off the outer join so can build a suitable ViewModel to View but it seems like overkill? Alternatively (this is starting to feel yuck) in CustomerSummaryView table have a text/big (whatever the type is in your DB) column called Orders, and the columns for the Order summary screen grid are seperated by , and rows by |. Even with XML datatype it still feeel dirty. Any thoughts on an optimal practice?

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  • c# ListView unable to check a checkbox! Strange problem.

    - by Kurt
    This is a strange problem, I've not added much code as I don't know were to start. I have a listview control in virtual mode, if I filter the listview to show me all people called John, I then see 3 users called John, I then cancel the filter setting all values to null and return all data to the listview, I now have several hundred items in the list but I can only see 30 on screen unless I scroll down the listview. I then use the code below to check a checkbox in each row, all get checked apart from the 3 Johns but if I can see 1 of the 3 Johns in listview without scrolling and then run the code below the visible John is checked. for (int i = 0; i < this._items.Count; i++) { this._items[i].Checked = true; } I have checked the status of the checkbox just before it is checked in the above code and if John is visible then the checkbox believes it is unchecked (false), if it is not visible it belives it is checked (true). So having one visible John on screen the checkbox looks unchecked and running a test proves it is unchecked, for the two Johns I can't see they believe they are checked but if I scroll down so I can see them they aren't. Any ideas? Thanks

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  • UIImagePickerController image editing not working

    - by Greg Reichow
    I am having a problem with implementing UIImagePickerController. When the controller loads, it displays modally, and allows the user to select the image. Good so far. Yet, then when it moves to the editing phase, it often displays somewhat corrupted view (the image cropping box is halfway off the top of the screen) and their is no image. It does not crash, but all UI interaction is blocked. The strange part is that this only happens when I compile with Release settings. Under debug compile settings, the image editing works fine! I have tried checking for memory warnings during this time, but none are showing up. Here is the code calling the image picker controller for reference. When I use the camera (the first method), it always works fine. It is just when selecting images from the Library (called from the second method below) does it fail as described above. And again, only on release build, and with various different types of images. - (IBAction) showCameraController:(id)sender { self.imagePicker =[[UIImagePickerController alloc] init]; self.imagePicker.sourceType=UIImagePickerControllerSourceTypeCamera; self.imagePicker.delegate=self; self.imagePicker.allowsEditing=YES; [self presentModalViewController:self.imagePicker animated:YES]; } - (IBAction) showPictureAlbumController:(id)sender { self.imagePicker =[[UIImagePickerController alloc] init]; self.imagePicker.sourceType=UIImagePickerControllerSourceTypePhotoLibrary; self.imagePicker.delegate=self; self.imagePicker.allowsEditing=YES; [self presentModalViewController:self.imagePicker animated:YES]; } The delegate methods are properly implemented, yet, during the problem I am describing, the controller is not yet calling those methods. It is failing when displaying the editing screen before the user is able to select cancel or save. It is just locking up with no crash. Please help!

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  • Get most left|right|top|bottom point contained in box

    - by skyman
    I'm storing Points Of Interest (POI) in PostgreSQL database, and retrieve them via PHP script to Android application. To reduce internet usage I want my mobile app to know if there are any points in the neighborhood of currently displayed area. My idea is to store bounds of the rectangle containing all points already retrieved (in other words: nearest point on the left (West) of most west already retrieved, nearest point above (North) of most north already retrieved etc.) and I will make next query when any edge of screen goes outside of this bounds. Currently I can retrieve points which are in "single screen" (in the area covered by currently displayed map) using: SELECT * FROM ch WHERE loc <@ (box '((".-$latSpan.", ".$lonSpan."),(".$latSpan.", ".-$lonSpan."))' + point '".$loc."') Now I need to know four most remote points in each direction, than I will be able to retrieve next four "more remote" points. Is there any possibility to get those points (or box) directly from PostgreSQL (maybe using some "aggregate points to box" function)?

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  • how to add a sidebar to a .net page based on a master page that doesnt have a sidebar.

    - by UXdesigner
    Hello, I have been told that I should add a sidebar to one page of this .net project, but the master page don't include a sidebar. How can I add a sidebar to one page only ? This is the code for the Master Template, can anyone suggest or help me out here? I'd buy a book and read more, but I have to do this for the next 12 hours. <%@ Master Language="C#" AutoEventWireup="true" CodeFile="Public.master.cs" Inherits="Public" %> <%@ Register Assembly="AjaxControlToolkit" Namespace="AjaxControlToolkit" TagPrefix="cc2" %> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> <%--<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> --%><html xmlns="http://www.w3.org/1999/xhtml"> <head runat="server"> <title></title> <%--<link href="favicon.ico" rel="Shortcut Icon" type="image/x-icon" />--%> <link href="<%= Server.MapPath("~/css/main2.css") %>" rel="stylesheet" type="text/css" media="all" /> <link href="<%= Server.MapPath("~/css/dropdown.css") %>" media="screen" rel="stylesheet" type="text/css" /> <link href="<%= Server.MapPath("~/css/default.advanced.css") %>" media="screen" rel="stylesheet" type="text/css" /> <link href="<%= Server.MapPath("~/css/vlightbox.css") %>" rel="stylesheet" type="text/css" /> <link href="<%= Server.MapPath("~/css/visuallightbox.css") %>" rel="stylesheet" type="text/css" media="screen" /> <link href="<%= Server.MapPath("~/boxes.css") %>"rel="stylesheet" type="text/css" media="screen" /> <script src="<%= Server.MapPath("~/engine/js/jquery.min.js") %>" ype="text/javascript"></script> <script src="<%= Server.MapPath("~/js/cufon-yui.js") %>" type="text/javascript"></script> <script src="<%= Server.MapPath("~/js/AFB_400.font.js") %>" type="text/javascript"></script> <style type="text/css"> #vlightbox a#vlb { display:none } </style> <script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.3.2/jquery.min.js" ></script> <script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jqueryui/1.5.3/jquery-ui.min.js" ></script> <script type="text/javascript"> Cufon.replace('h2'); </script> <script type="text/javascript"> Cufon.replace('h3'); </script> <script type="text/javascript"> Cufon.replace('h5'); </script> <!--[if IE 8]> <style type="text/css"> #footer {display:table;} </style> <![endif]--> <style> ul#nav { width:100%; height:36px; display:block; background-color:#000; background-repeat:repeat-x; } #wrapthatbanner {display:block; float:left; width:100%; height:529px; margin-left:-20px; margin-bottom:0px; } </style> <script type='text/javascript' src='http://ajax.googleapis.com/ajax/libs/jquery/1.3.2/jquery.min.js?ver=1.3.2'></script> <script type="text/javascript"> $(document).ready(function() { $("#footer").stickyFooter(); }); // sticky footer plugin (function($) { var footer; $.fn.extend({ stickyFooter: function(options) { footer = this; positionFooter(); $(window) .scroll(positionFooter) .resize(positionFooter); function positionFooter() { var docHeight = $(document.body).height() - $("#sticky-footer-push").height(); if (docHeight < $(window).height()) { var diff = $(window).height() - docHeight; if (!$("#sticky-footer-push").length > 0) { $(footer).before('<div id="sticky-footer-push"></div>'); } $("#sticky-footer-push").height(diff); } } } }); })(jQuery); </script> </head> <body id="@@(categoria)@@"> <form id="form1" runat="server"> <asp:ScriptManager ID="ScriptManager1" runat="server" EnablePageMethods="true" AsyncPostBackTimeout="900"></asp:ScriptManager> <div id="container"> <asp:UpdatePanel ID="UpdatePanel1" runat="server"> <ContentTemplate> <div id="header"> <div id="headerlink"> <table width="100%" border="0"> <tr> <td height="77px;" width="67%"> <asp:ImageButton PostBackUrl="~/index.aspx" ImageUrl="~/images/Titulos/5.png" runat="server" alt="" name="screen_logo" width="257" hspace="10" vspace="10" border="0" id="screen_logo" title="" /> </td> <td valign="top" align="right" width="33%"> <table> <tr> <td> <asp:Label ID="lblFullMessage" Visible="false" runat="server" Font-Size="X-Small" ForeColor="White" Text="Please enter the {0}, {1} and {2} characters from your password."></asp:Label> </td> </tr> <tr valign="middle"> <td> <img src="../images/login.jpg"</td> <td valign="top"> <asp:TextBox runat="server" Height="16px" Font-Size="Small" ID="txtLogin" Width="100px"></asp:TextBox> <asp:Button ID="btnLogin" Height="20px" Font-Size="X-Small" runat="server" Text="Go" OnClick="btnLogin_Click" /> </td> </tr> <tr> <td> <asp:Label ID="lblError" Visible="false" runat="server" Font-Size="X-Small" ForeColor="Red" Text="Error"></asp:Label> </td> </tr> </table> </td> </tr> </table> </div> </div> </ContentTemplate> </asp:UpdatePanel> <ul id="nav" class="dropdown dropdown-horizontal"> <li><asp:HyperLink NavigateUrl="~/index.aspx" CssClass="dir" runat="server" ID="lnk1">Home</asp:HyperLink></li> <li><asp:HyperLink NavigateUrl="~/PublicSide/link.aspx" CssClass="dir" runat="server" ID="lnk3">link</asp:HyperLink></li> <li><asp:HyperLink NavigateUrl="~/PublicSide/link.aspx" CssClass="dir" runat="server" ID="lnk4">link</asp:HyperLink></li> <li><asp:HyperLink NavigateUrl="~/PublicSide/link.aspx" CssClass="dir" runat="server" ID="lnk7">link</asp:HyperLink></li> <li><asp:HyperLink NavigateUrl="~/PublicSide/link.aspx" CssClass="dir" runat="server" ID="lnk5">link</asp:HyperLink></li> <li><asp:HyperLink NavigateUrl="~/PublicSide/link.aspx" CssClass="dir" runat="server" ID="lnk2">link</asp:HyperLink></li> <li><asp:HyperLink NavigateUrl="~/PublicSide/link.aspx" CssClass="dir" runat="server" ID="lnk6">link</asp:HyperLink></li> </ul> <div id="wmfg"> </div> <div id="content"><asp:ContentPlaceHolder ID="Content1" runat="server"> </asp:ContentPlaceHolder></div> <div id="footer">Footer</div> </div> </form> </body> </html>

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  • iPhone - is it IMPOSSIBLE to grab the contents of a CALayers composition?

    - by Mike
    I have a CALayer transformed in 3D on a offscreen UIView (much larger than 320x480). How do I dump what is seen on this UIView to a UIImage? NOTE: I Have edited the question to include this code... This is how I create the layer... CGRect area = CGRectMake (0,0,400,600]; vista3D = [[UIView alloc] initWithFrame:area ]; [self.view addSubview:vista3D]; [vista3D release]; transformed = [CALayer layer]; transformed.frame = area; [vista3D.layer addSublayer:transformed]; CALayer *imageLayer = [CALayer layer]; imageLayer.doubleSided = YES; imageLayer.frame = area; imageLayer.transform = CATransform3DMakeRotation(40 * M_PI / 180.0f, 1.0f, 0.0f, 0.0f); imageLayer.contents = (id)myRawImage.CGImage; [transformed addSublayer:imageLayer]; // Add a perspective effect CATransform3D initialTransform = transformed.sublayerTransform; initialTransform.m34 = 1.0 / -500; transformed.sublayerTransform = initialTransform; // now the layer is in perspective // my next step is to "flatten" the composition into a UIImage UIImage *thisIsTheResult = some magic command thanks for any help! EDIT 1: I have tried jessecurry solution but it gives me a flat layer without any perspective. EDIT 2: I discovered a partial solution for this that works, but this solution gives me an image the size of the screen and I was looking for obtaining a higher resolution version, rendering off screen.

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  • Making REST request using LWP::Simple

    - by Alienfluid
    I am trying to use LWP::Simple to make a GET request to a REST service. Here's the simple code: use LWP::Simple; $uri = "http://api.stackoverflow.com/0.8/questions/tagged/php"; $jsonresponse= get $uri; print $jsonresponse; On my local machine, running Ubuntu 10.4, and Perl version 5.10.1: farhan@farhan-lnx:~$ perl --version This is perl, v5.10.1 (*) built for x86_64-linux-gnu-thread-multi I can get the correct response and have it printed on the screen. E.g.: farhan@farhan-lnx:~$ head -10 output.txt { "total": 1000, "page": 1, "pagesize": 30, "questions": [ { "tags": [ "php", "arrays", "coding-style" (... snipped ...) But on my host's machine to which I SSH into, I get garbage printed on the screen for the same exact code. I am assuming it has something to do with the encoding, but the REST service does not return the character set type in the response, so how do I force LWP::Simple to use the correct encoding? Any ideas what may be going on here? Here's the version of Perl on my host's machine: [dredd]$ perl --version This is perl, v5.8.8 built for x86_64-linux-gnu-thread-multi

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  • How to Select Items in Dropdown in Selenium

    - by Marcus Gladir
    Firstly, I have been trying to get the dropdown from this web page: http://solutions.3m.com/wps/portal/3M/en_US/Interconnect/Home/Products/ProductCatalog/Catalog/?PC_Z7_RJH9U5230O73D0ISNF9B3C3SI1000000_nid=RFCNF5FK7WitWK7G49LP38glNZJXPCDXLDbl This is the code I have: import urllib2 from bs4 import BeautifulSoup import re from pprint import pprint import sys from selenium import common from selenium import webdriver import selenium.webdriver.support.ui as ui from boto.s3.key import Key import requests url = 'http://solutions.3m.com/wps/portal/3M/en_US/Interconnect/Home/Products/ProductCatalog/Catalog/?PC_Z7_RJH9U5230O73D0ISNF9B3C3SI1000000_nid=RFCNF5FK7WitWK7G49LP38glNZJXPCDXLDbl' element_xpath = '//*[@id="Component1"]' driver = webdriver.PhantomJS() driver.get(url) element = driver.find_element_by_xpath(element_xpath) element_xpath = '/option[@value="02"]' all_options = element.find_elements_by_tag_name("option") for option in all_options: print("Value is: %s" % option.get_attribute("value")) option.click() source = driver.page_source.encode('utf-8', 'ignore') driver.quit() source = str(source) soup = BeautifulSoup(source, 'html.parser') print soup What prints out is this: Traceback (most recent call last): File "../../../../test.py", line 58, in <module> Value is: XX main() File "../../../../test.py", line 46, in main option.click() File "/home/eric/dev/octocrawler-env/local/lib/python2.7/site-packages/selenium-2.33.0-py2.7.egg/selenium/webdriver/remote/webelement.py", line 54, in click self._execute(Command.CLICK_ELEMENT) File "/home/eric/dev/octocrawler-env/local/lib/python2.7/site-packages/selenium-2.33.0-py2.7.egg/selenium/webdriver/remote/webelement.py", line 228, in _execute return self._parent.execute(command, params) File "/home/eric/dev/octocrawler-env/local/lib/python2.7/site-packages/selenium-2.33.0-py2.7.egg/selenium/webdriver/remote/webdriver.py", line 165, in execute self.error_handler.check_response(response) File "/home/eric/dev/octocrawler-env/local/lib/python2.7/site-packages/selenium-2.33.0-py2.7.egg/selenium/webdriver/remote/errorhandler.py", line 158, in check_response raise exception_class(message, screen, stacktrace) selenium.common.exceptions.ElementNotVisibleException: Message: u'{"errorMessage":"Element is not currently visible and may not be manipulated","request":{"headers":{"Accept":"application/json","Accept-Encoding":"identity","Connection":"close","Content-Length":"81","Content-Type":"application/json;charset=UTF-8","Host":"127.0.0.1:51413","User-Agent":"Python-urllib/2.7"},"httpVersion":"1.1","method":"POST","post":"{\\"sessionId\\": \\"30e4fd50-f0e4-11e3-8685-6983e831d856\\", \\"id\\": \\":wdc:1402434863875\\"}","url":"/click","urlParsed":{"anchor":"","query":"","file":"click","directory":"/","path":"/click","relative":"/click","port":"","host":"","password":"","user":"","userInfo":"","authority":"","protocol":"","source":"/click","queryKey":{},"chunks":["click"]},"urlOriginal":"/session/30e4fd50-f0e4-11e3-8685-6983e831d856/element/%3Awdc%3A1402434863875/click"}}' ; Screenshot: available via screen And the weirdest most infuriating bit of it all is that sometimes it actually all works out. I have no clue what's going on here.

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  • Problem with non blocking fifo in bash

    - by timdel
    Hi! I'm running a few Team Fortress 2 servers and I want to write a little management script. Basically the TF2 servers are a fg process which provides a server console, so I can start the server, type status and get an answer from it: ***@purple:~/tf2$ ./start_server_testing Auto detecting CPU Using AMD Optimised binary. Server will auto-restart if there is a crash. Console initialized. [bla bla bla] Connection to Steam servers successful. VAC secure mode is activated. status hostname: Team Fortress version : 1.0.6.1/15 3883 secure udp/ip : ***.***.133.31:27600 map : ctf_2fort at: 0 x, 0 y, 0 z players : 0 (2 max) # userid name uniqueid connected ping loss state adr Great, now I want to create a script which sends the command sm_reloadadmins to all my servers. The best way I found to do this is using a fifo named pipe. Now what I want to do is having this pipe readonly and non blocking to the server process, so I can write into the pipe and the server executes it, but still I want to write via console one the server, so if I switch back to the fg process of the server and I type status I want an answer printed. I tried this (assuming serverfifo is mkfifo serverfifo): ./start_server_testing < serverfifo Not working, the server won't start until something is written to the pipe. ./start_server_testing <> serverfifo Thats actually working pretty good, I can see the console output of the server and I can write to the fifo and the server executes the commands, but I can't write via console to the server anymore. Also, if I write 'exit' to the pipe (which should end the server) and I'm running it in a screen the screen window is getting killed for some reason (wtf why?). I only need the server to read the fifo without blocking AND all my keyboard input on the server itself should be send to the server AND all server ouput should be written to the console. Is that possible? If yes, how?

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