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• Upgraded Eclipse. Every app force closes

  - by user1309500

  I would be really grateful for some urgent advice:- I was merrily building my apps (using eclipse) for Android platform 2.2. Everything all working lovely and ready to upload to the marketplace. I thought I would try to install Google Play Licensing and in the process, I was told to download the LVL but that was not available in my SDK download list - and I read I had to updrage my SDK and ADT to the latest. So I did, I now have: ADT 17.0.0 along with ANDROID DDMS, hierarchy viewer and Traceview at 17.0.0 with Eclipse IDE 1.4.2 And I also upgraded my SDK Android 2.2 stuff to the latest. Now:- I have no errors in my app workplaces on Eclipse. But now when I run the apps, they build but force close straight away upon loading. This includes the app I was working on (and working perfectly before) and all the other apps I have ever made. Every app now force closes and I dont know what to do. Been up all night and was ready to upload them to the market place... :( Any help!? Thanks! Please!

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• Hide form if javascript disabled

  - by Kero

  I need to check on disabling JavaScript if the user disabled JavaScript from browser or firewall or any other place he will never show the form. I have lots of search and solutions, but unfortunately didn't got the right one. - Using style with no-script tag: This one could be broke with removing style... <noscript> <style type="text/css"> .HideClass { display:none; } </style> </noscript> The past code will work just fine but there is lots of problems in no-script tag as here Beside that i don't want to redirect user with no-script tag too...Beside that i can quickly stop loading the page to broke this meta or disable Meta tag from IE: <meta http-equiv="refresh" content="0; URL=Frm_JavaScriptDisable.aspx" /> Another way to redirect user with JavaScript but this will work let's say for 99% of users and this one isn't lovely way and will slow down the website... window.location="http://www.location.com/page.aspx"; Is there is any other ideas or suggestions to secure working with JavaScript...and prevent user from entering the website or see my form except when JavaScript enabled...

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• webview in tabhost

  - by user1905845

  I am new to android. I am using webview inside tabview. In my app in first activity facebook button available.when click facebook button connect to facebook in second activity inside tabs fine.In second activity i am using webview. this is the code. public void onCreate(Bundle savedInstanceState){ super.onCreate(savedInstanceState); setContentView(R.layout.facebook); wvFacebook=(WebView)findViewById(R.id.webview); btnBack=(Button)findViewById(R.id.back); txtBarname=(TextView)findViewById(R.id.barnameheader); if(check==1){ strFacebook=MyBarsActivity.strFacebook; Log.e("Facebook url",strFacebook); strBarName=MyBarsActivity.strBarName; } wvFacebook.setWebViewClient(new MyWebViewClient()); wvFacebook.loadUrl(strFacebook); } private class MyWebViewClient extends WebViewClient { public boolean shouldOverrideUrlLoading(WebView view, String url) { view.getSettings().setJavaScriptEnabled(true); view.loadUrl(url); return true; } @Override public void onPageStarted(WebView view, String url, Bitmap favicon) { super.onPageStarted(view, url, favicon); // progressDialog.show(getParent(), "In progress", "Loading, please wait..."); } public void onPageFinished(WebView view, String url) { super.onPageFinished(view, url); } But my problem is when i click connect button facebook page will be displayed well inside tabs.But when i click emial or username and password button it is not responding.Why it is not responding please help me regarding this.thanks in advance.

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• Blit SDL_Surface onto another SDL_Surface and apply a colorkey

  - by NordCoder

  I want to load an SDL_Surface into an OpenGL texture with padding (so that NPOT-POT) and apply a color key on the surface afterwards. I either end up colorkeying all pixels, regardless of their color, or not colorkey anything at all. I have tried a lot of different things, but none of them seem to work. Here's the working snippet of my code. I use a custom color class for the colorkey (range [0-1]): // Create an empty surface with the same settings as the original image SDL_Surface* paddedImage = SDL_CreateRGBSurface(image->flags, width, height, image->format->BitsPerPixel, #if SDL_BYTEORDER == SDL_BIG_ENDIAN 0xff000000, 0x00ff0000, 0x0000ff00, 0x000000ff #else 0x000000ff, 0x0000ff00, 0x00ff0000, 0xff000000 #endif ); // Map RGBA color to pixel format value Uint32 colorKeyPixelFormat = SDL_MapRGBA(paddedImage->format, static_cast<Uint8>(colorKey.R * 255), static_cast<Uint8>(colorKey.G * 255), static_cast<Uint8>(colorKey.B * 255), static_cast<Uint8>(colorKey.A * 255)); SDL_FillRect(paddedImage, NULL, colorKeyPixelFormat); // Blit the image onto the padded image SDL_BlitSurface(image, NULL, paddedImage, NULL); SDL_SetColorKey(paddedImage, SDL_SRCCOLORKEY, colorKeyPixelFormat); Afterwards, I generate an OpenGL texture from paddedImage using similar code to the SDL+OpenGL texture loading code found online (I'll post if necessary). This code works if I just want the texture with or without padding, and is likely not the problem. I realize that I set all pixels in paddedImage to have alpha zero which causes the first problem I mentioned, but I can't seem to figure out how to do this. Should I just loop over the pixels and set the appropriate colors to have alpha zero?

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• jQuery removeClass(), how it works

  - by centro

  I have images on my page. User can add more images onto the page by clicking a button. New images are added asynchronously. Initially, each image on page use a special class to be used when the image is loaded. After the image is loaded, that class is removed. Each image being loaded has the class imageLoading: <img class="imageLoading" scr="someimage.png"> After those images are loaded, I remove that class (simplified code without details): $('img.imageLoading') .each(function(){ $(this) .load(function(){ $(this) .removeClass('imageloading'); });}); Visually, I see that style is removed. But when I run the query again: $('img.imageLoading') I see via debugging that all images, not just loading ones, are returned, i.e. it works like I didn't remove the class for the images that were already loaded. I had a look into the page source, and I saw that actually in HTML the class was not removed, though removeClass() was called. Is that behavior by design that all visual changes are applied but the class attribute is not removed in HTML code? If so, how it can be workarounded in this case. Or, probably, I missed something.

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• Log4j Logging to the Wrong Directory

  - by John

  I have a relatively complex log4j.xml configuration file with many appenders. Some machines the application runs on need a separate log directory, which is actually a mapped network drive. To get around this, we embed a system property as part of the filename in order to specify the directory. Here is an example: The "${user.dir}" part is set as a system property on each system, and is normally set to the root directory of the application. On some systems, this location is not the root of the application. The problem is that there is always one appender where this is not set, and the file appears not to write to the mapped drive. The rest of the appenders do write to the correct location per the system property. As a unit test, I set up our QA lab to hard-code the values for the appender above, and it worked: however, a different appender will then append to the wrong file. The mis-logged file is always the same for a given configuration: it is not a random file each time. My best educated guess is that there is a HashMap somewhere containing these appenders, and for some reason, the first one retrieved from the map does not have the property set. Our application does have custom system properties loading: the main() method loads a properties file and calls into System.setProperties(). My first instinct was to check the static initialization order, and to ensure the controller class with the main method does not call into log4j (directly or indirectly) before setting the properties just in case this was interfering with log4j's own initialization. Even removing all vestiges of log4j from the initialization logic, this error condition still occurs.

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• NSTimer won't stop it only resets when invalidated & released

  - by J Fries

  When I press my stop button to stop the timer it just resets to the original time and begins counting down again. I have looked everywhere and all I have found is "invalidate" and it isn't working. I want the time to stop when I hit stop and the label to display the original time. I also turned off automatic counting so I could try releasing and it is giving me an error: 0x10e20a5: movl 16(%edx), %edx EXC_BAD_ACCESS (code=2, address=0x10) `NSTimer *rockettTimer; int rocketCount; @interface FirstViewController () @property (strong, nonatomic) IBOutlet UILabel *rocketTimer; - (IBAction)stopButton:(id)sender; - (IBAction)startButton:(id)sender; @end @implementation FirstViewController @synthesize rocketTimer; -(void) rocketTimerRun{ rocketCount = rocketCount - 1; int minuts = rocketCount / 60; int seconds = rocketCount - (minuts * 60); NSString *timerOutput = [NSString stringWithFormat:@"%d:%.2d", minuts, seconds]; rocketTimer.text = timerOutput; } - (IBAction)startButton:(id)sender { rocketCount = 180; rockettTimer = [NSTimer scheduledTimerWithTimeInterval:1.0 target:self selector:@selector(rocketTimerRun) userInfo:nil repeats:YES]; - (IBAction)stopButton:(id)sender { [rockettTimer invalidate]; //[rockettTimer release]; } - (void)viewDidLoad { [super viewDidLoad]; // Do any additional setup after loading the view, typically from a nib. } - (void)viewDidUnload { [self setRocketTimer:nil]; [super viewDidUnload]; // Release any retained subviews of the main view. } - (BOOL)shouldAutorotateToInterfaceOrientation: (UIInterfaceOrientation)interfaceOrientation { if ([[UIDevice currentDevice] userInterfaceIdiom] == UIUserInterfaceIdiomPhone) { return (interfaceOrientation != UIInterfaceOrientationPortraitUpsideDown); } else { return YES; } } @end`

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• Mock implementations in C++

  - by forneo

  Hi guys, I need a mock implementation of a class - for testing purposes - and I'm wondering how I should best go about doing that. I can think of two general ways: Create an interface that contains all public functions of the class as pure virtual functions, then create a mock class by deriving from it. Mark all functions (well, at least all that are to be mocked) as virtual. I'm used to doing it the first way in Java, and it's quite common too (probably since they have a dedicated interface type). But I've hardly ever seen such interface-heavy designs in C++, thus I'm wondering. The second way will probably work, but I can't help but think of it as kind of ugly. Is anybody doing that? If I follow the first way, I need some naming assistance. I have an audio system that is responsible for loading sound files and playing the loaded tracks. I'm using OpenAL for that, thus I've called the interface "Audio" and the implementation "OpenALAudio". However, this implies that all OpenAL-specific code has to go into that class, which feels kind of limiting. An alternative would be to leave the class' name "Audio" and find a different one for the interface, e.g. "AudioInterface" or "IAudio". Which would you suggest, and why?

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• JavaScript Fails to load content correctly on start

  - by Gaz_Edge

  I have inherited an image gallery constructed using javascript. I believe it uses a variation of JQuery, but it seems to have been heavily edited. The gallery loads the first image on page load. Each image has comments below them. There are forward and backward arrows that move between images. The problem I seem to have is that if there is a comment on image one, it is not loaded on page start, the only way to get it to display is to click forward to the next image, then click back to image one. The comment is then shown. All the comments are loaded into a script in the header under var sent_comments = [{COMMENTS}] The comment HTML code on loading is as follows; <div id="comments_container"> <div id="comments"> </div> </div> Once I have clicked to image two and then back to image one, the code is; <div id="comments_container"> <div id="comments"> SOME COMMENT </div> </div> Previous image button is: <a class="prev save_state" href="#"> <img src="/next.png?" alt="Next"> </a> Im new to javascript so not really sure what I will need to do to ensure the comment is loaded for the first image when the page loads. Code here: http://static.albumexposure.net/assets/presentation-9f47b054d96f9ec2459e89619a5fe9b4.js http://static.albumexposure.net/assets/presentations/book-699d82a2beb39df264e54c5d2578e0e4.js

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• Timer not beginning from 00:00

  - by studentProgrammer

  I have a Game in which there is a timer involved. For each two minutes that passes a new round between different players begins. So, I have a text box starting from 00:00 and changes each second until it is equal to 02:00. Now, I want to save the state of the game in the middle of a round if the user closes the form. What I need to do is that upon loading, the textbox starts at the time that the user left the game the last time and continue up till 02:00 normally. How can I do this? This is what I have until now where Tournament is the Form public Tournament() { _timer = new System.Windows.Forms.Timer(); _timer.Interval = 1000; _timer.Tick += Timer_Tick; _myDateTime = DateTime.Now; newDate = new DateTime(); newDate = newDate.AddMinutes(2.00); _timer.Start(); InitializeComponent(); } void Timer_Tick(object sender, EventArgs e) { var diff = DateTime.Now.Subtract(_myDateTime); this.textBox1.Text = diff.ToString(@"mm\:ss"); DateTime dt = Convert.ToDateTime(diff.ToString()); if (newDate.Minute == dt.Minute) { _timer.Stop(); _myDateTime = DateTime.Now; displayPointsOrResults(); this.textBox1.Text = diff.ToString(@"mm\:ss"); } } In my LoadGame method: where timePassed is what I have written in the text box string[] splitted6 = timePassed.Split(':'); if (splitted6[0] == "00") { int remainingTime = 120 - Convert.ToInt32(splitted6[1]); DateTime time = DateTime.Now.Date; time = time.AddMinutes(remainingTime); _myDateTime = time; } else { int leftTime = Convert.ToInt32(splitted[0].Trim('0') + splitted[1]); int remainingTime = 120 - leftTime; DateTime time = DateTime.Now.Date; time = time.AddMinutes(remainingTime); _myDateTime = time; }

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• How to improve my software project's speed?

  - by Blitzkr1eg

  I'm doing a school software project with my class mates in Java. We store the info on a remote db. When we start the application we pull all the information from the database and transform it into objects to use in our application (using java sql statemens). In the application we edit some of these objects and then when we exit the application we save or update information in the database using Hibernate. As you see we dont use Hibernate for pulling in information, we use it just for saving and updating. We have 2, but very similar problems. The loading of object(when we start the app) and the saving of objects(with Hibernate) in the db(when closing the app) is taking too much time. And our project its not a huge enterprise application, its a quite small app, we just manage some students, teachers, homeworks and tests. So our db is also very very small. How could we increase performance ? later edit: if we use a local database it runs very quick, it just runs slow on remote databases

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• jquery 1.4.2 tabs problem

  - by user296416

  I'm new to this forum and jquery, recently i've updated new version jquery 1.4.2 after that, initially while loading the web page my first and default tab showing the last tab content, once we clicked on any tab then the problem solved automatically, again if we load the page again the same problem ocurrs. following is the code i used $('.main).tabs(); <ul> <li><a href="#tab1">Title Page</a></li> <li><a href="#tab2">Manuscript</a></li> <li><a href="#tab3">Figures and Tabels</a></li> </ul> <div class="main"> <div class="tab1">Tab 1</div> <div class="tab2">Tab 2</div> <div class="tab3">Tab 3</div> </div> But the same working perfect in the previous version, any help will be appreciated. Regards Bala

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• (Java) Is there a type of object that can handle anything from primitives to arrays?

  - by Michael

  I'm pretty new to Java, so I'm hoping one of you guys knows how to do this. I'm having the user specify both the type and value of arguments, in any XML-like way, to be passed to methods that are external to my application. Example: javac myAppsName externalJavaClass methodofExternalClass [parameters] Of course, to find the proper method, we have to have the proper parameter types as the method may be overloaded and that's the only way to tell the difference between the different versions. Parameters are currently formatted in this manner: (type)value(/type), e.g. (int)71(/int) (string)This is my string that I'm passing as a parameter!(/string) I parse them, getting the constructor for whatever type is indicated, then execute that constructor by running its method, newInstance(<String value>), loading the new instance into an Object. This works fine and dandy, but as we all know, some methods take arrays, or even multi-dimensional arrays. I could handle the argument formatting like so: (array)(array)(int)0(/int)(int)1(/int)(/array)(array)(int)2(/int)(int)3(/int)(/array)(/array)... or perhaps even better... {{(int)0(/int)(int)1(/int)}{(int)2(/int)(int)3(/int)}}. The question is, how can this be implemented? Do I have to start wrapping everything in an Object[] array so I can handle primitives, etc. as argObj[0], but load an array as I normally would? (Unfortunately, I would have to make it an Object[][] array if I wanted to support two-dimensional arrays. This implementation wouldn't be very pretty.)

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• Image Upload with Mootools

  - by notme

  I am creating an ajax uploader with mootools. When I remove the ajax and simply upload the form I get $_FILES with the file data present. But when I use the ajax version, the $_FILES super global is empty. Every other part of the form is present. It acts as if it does not send the image at all but only in the ajax version. Any help is appreciated. Thanks! <form id="uploadphoto_pod" action="upload.php" enctype="multipart/form-data" method="post"> <input type='file' id='uploadphoto' name='uploadphoto'/> <input type="submit" class="submit" name="add_product" value="Upload" /> </form> <div id="response"><!-- Ajax Response --></div> <script type="text/javascript"> window.addEvent('domready', function(){ $('uploadphoto').addEvent('submit', function(e) { //Prevents the default submit event from loading a new page. e.stop(); //("this" refers to the $('uploadphoto') element). this.set('send', {onComplete: function(response) { $('response').set('html', response); }}); //Send the form. this.send(); }); }); </script>

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• Rendering ListBox takes too long on Windows Phone

  - by Bhawk1990

  I am working on a Windows Phone 7 Application using Local SQLite Database and I'm having an issue with the rendering time of pages that use DataBinding. Currently it takes 60-70ms to retrieve the data from the database. Then it takes about 3100ms to render the data retrieved using a ListBox with DataBinding. Here you can see the DataTemplate of the ListBox: <DataTemplate x:Key="ListBoxItemTemplate"> <Grid> <Grid.ColumnDefinitions> <ColumnDefinition Width="68" /> <ColumnDefinition /> </Grid.ColumnDefinitions> <TextBlock x:Name="TimeColumn" Text="{Binding TimeSpan}" Grid.Column="0" Grid.Row="0" Foreground="White" HorizontalAlignment="Center" VerticalAlignment="Center" /> <TextBlock Text="{Binding Stop.StopName}" Grid.Column="1" Grid.Row="0" Margin="15,0,0,0" TextWrapping="NoWrap" Foreground="Black" HorizontalAlignment="Left" VerticalAlignment="Center" /> </Grid> </DataTemplate> Comment: I have tried it using Canvas instead of Grid too, same result. Then, the database loads data into a CSList (using ViciCoolStorage) and that gets Binded to the ListBox: StationList.ItemsSource = App.RouteViewModel.RouteStops; Comment: I have tried to add the elements of the CSList to an ObservableCollection and bind that to the interface but didn't seem to change anything. Question: Am I doing something wrong that results in a huge load time - even if just loading 10 elements -, or this is normal? Do you have any recommendations to get a better performance with DataBinding? Thank you for your answers in advance!

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• Checking if a function has C-linkage at compile-time [unsolvable]

  - by scjohnno

  Is there any way to check if a given function is declared with C-linkage (that is, with extern "C") at compile-time? I am developing a plugin system. Each plugin can supply factory functions to the plugin-loading code. However, this has to be done via name (and subsequent use of GetProcAddress or dlsym). This requires that the functions be declared with C-linkage so as to prevent name-mangling. It would be nice to be able to throw a compiler error if the referred-to function is declared with C++-linkage (as opposed to finding out at runtime when a function with that name does not exist). Here's a simplified example of what I mean: extern "C" void my_func() { } void my_other_func() { } // Replace this struct with one that actually works template<typename T> struct is_c_linkage { static const bool value = true; }; template<typename T> void assertCLinkage(T *func) { static_assert(is_c_linkage<T>::value, "Supplied function does not have C-linkage"); } int main() { assertCLinkage(my_func); // Should compile assertCLinkage(my_other_func); // Should NOT compile } Is there a possible implementation of is_c_linkage that would throw a compiler error for the second function, but not the first? I'm not sure that it's possible (though it may exist as a compiler extension, which I'd still like to know of). Thanks.

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• Keeping a web app project organized?

  - by user246114

  Hi, I'm writing a web app, using jsp to create the page content. I need a pretty good amount of javascript to make the app work. Does anyone have any recommendations on how to structure my project, such that it doesn't become a mess? This is a broad question, but the basic problem is that I'm insert javascript code directly into my jsp content. Then I might have some external js files. Ids and such are strewn between multiple files. I'm not really sure what a best practice is for keeping this type of project organized. Do you always keep your javascript in separate files? There has to be a few hooks in the jsp pages though for them, right? I tried using GWT because I'm really a c/java developer, and I was hoping it would help keep my project more organized (definitely helps) - but GWT is a pain to use with jsp, it really wants you to do all UI generation client side after the page is done loading, doesn't work for what I need to do. Again, broad question, any tips would be great, Thanks

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• PrgressDialog when load a WebView crash issue

  - by AndreaF

  I have an Activity with a WeView that load an url, and I want to display a little waiting dialog during the load of the site, so I have tried this: private ProgressDialog dialog = new ProgressDialog(MyNameActivity.this); @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); StrictMode.ThreadPolicy policy = new StrictMode.ThreadPolicy.Builder() .permitAll().build(); StrictMode.setThreadPolicy(policy); setContentView(R.layout.web_view_activity); WebView wv; wv = (WebView) findViewById(R.id.areaWebSolver); wv.setWebViewClient(new WebViewClient() { @Override public boolean shouldOverrideUrlLoading(WebView view, String url) { view.loadUrl(url); return true; } @Override public void onPageFinished(WebView view, String url) { if (dialog.isShowing()) { dialog.dismiss(); } } }); dialog.setMessage("Loading..Please wait."); dialog.setCanceledOnTouchOutside(false); dialog.show(); wv.loadUrl(url); WebSettings webSettings = wv.getSettings(); webSettings.setJavaScriptEnabled(true); } Unfortunately doesn't works and the app crashes with a source not found... If I try to remove the Progress dialog code the activity works. What's wrong? How could I fix this?

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• Dynamic Image Caching with Java

  - by zteater

  I have a servlet with an API that delivers images from GET requests. The servlet creates a data file of CAD commands based on the parameters of the GET request. This data file is then delivered to an image parser, which creates an image on the file system. The servlet reads the image and returns the bytes on the response. All of the IO and the calling of the image parser program can be very taxing and images of around 80kb are rendering in 3-4000ms on a local system. There are roughly 20 parameters that make up the GET request. Each correlates to a different portion of the image. So, the combinations of possible images is extremely large. To alleviate the loading time, I plan to store BLOBs of rendered images in a database. If a GET request matches one previously executed, I will pull from cache. Else, I will render a new one. This does not fix "first-time" run, but will help "n+1 runs". Any other ideas on how I can improve performance?

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• AS3 and cross-domain

  - by Davide Arcinotti

  I think i'm a little confused. I'm loading an swf, located at domainB.com/secondsubfolder, from an swf located at domainA.com/firstsubfolder. I always put the crossdomain.xml near the "loader" swf in domainA.com/firstsubfolder. It seems to not work, except if I put the crossdomain.xml in the root of the loaded content, domainB.com/crossdomain.xml. Did I always do it wrong, or is it because of some server setting? Using another domain for the loaded content, e.g. domainB_beta.com/secondsubfolder on another server just works as usual. Where do I have to look to change these settings? Does it depend on server settings, or am I doing something wrong? This is the loader actionscript code: import flash.display.Loader; import flash.net.URLRequest; import flash.system.Security; Security.allowDomain("domainB.com"); var context:LoaderContext = new LoaderContext(); context.securityDomain = SecurityDomain.currentDomain; var loaderMain:Loader = new Loader(); loaderMain.contentLoaderInfo.addEventListener(IOErrorEvent.IO_ERROR, errorHandler); loaderMain.contentLoaderInfo.addEventListener(SecurityErrorEvent.SECURITY_ERROR, errorHandler); loaderMain.load(new URLRequest('domainB/secondsubfolder/file.swf'),context); addChild(loaderMain); function errorHandler(event:ErrorEvent):void { trace("errorHandler says: " + event); }

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• using buttons to open webviews

  - by A-P

  hey guys im trying to make the buttons on my project to open a different webview url. Im new to ios programming, but im used to andriod programming. Is this possible? Ive a,ready created another webview view that sits in the supporting files folderHere is my code below Viewcontroller.m #import "ViewController.h" @implementation ViewController - (void)didReceiveMemoryWarning { [super didReceiveMemoryWarning]; // Release any cached data, images, etc that aren't in use. } #pragma mark - View lifecycle - (void)viewDidLoad { NSString *urlString = @"http://www.athletic-profile.com/Application"; //Create a URL object. NSURL *url = [NSURL URLWithString:urlString]; //URL Requst Object NSURLRequest *webRequest = [NSURLRequest requestWithURL:url]; //Load the request in the UIWebView. [webView loadRequest:webRequest]; [super viewDidLoad]; // Do any additional setup after loading the view, typically from a nib. } - (void)viewDidUnload { [super viewDidUnload]; // Release any retained subviews of the main view. // e.g. self.myOutlet = nil; } - (void)viewWillAppear:(BOOL)animated { [super viewWillAppear:animated]; } - (void)viewDidAppear:(BOOL)animated { [super viewDidAppear:animated]; } - (void)viewWillDisappear:(BOOL)animated { [super viewWillDisappear:animated]; } - (void)viewDidDisappear:(BOOL)animated { [super viewDidDisappear:animated]; } - (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation { // Return YES for supported orientations return (interfaceOrientation != UIInterfaceOrientationPortraitUpsideDown); } @synthesize webView; @end

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• delegate issues in Xcode

  - by trludt

  .h file #import <UIKit/UIKit.h> @interface AddEventViewController : UIViewController <UITextViewDelegate> @end .m file @property (weak, nonatomic) IBOutlet UITextField *textField1; @property (weak, nonatomic) IBOutlet UITextField *textField2; @property (weak, nonatomic) IBOutlet UITextField *textField3; - (IBAction)textFieldReturn:(id)sender; @end @implementation AddEventViewController @synthesize textField1, textField2, textField3; - (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil { self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil]; if (self) { // Custom initialization } return self; } - (IBAction)textFieldReturn:(id)sender; { [sender resignFirstResponder]; } - (void)viewDidLoad { [super viewDidLoad]; self.textField1.delegate = self; textField1.delegate = self; // Do any additional setup after loading the view. } - (void)didReceiveMemoryWarning { [super didReceiveMemoryWarning]; // Dispose of any resources that can be recreated. } - (void)touchesBegan: (NSSet *) touches withEvent: (UIEvent *)event { if (textField1) { if ([textField1 canResignFirstResponder]) [textField1 resignFirstResponder]; } [super touchesBegan: touches withEvent: event]; if (textField2) { if ([textField2 canResignFirstResponder]) [textField2 resignFirstResponder]; } [super touchesBegan: touches withEvent: event]; if (textField3) { if ([textField3 canResignFirstResponder]) [textField3 resignFirstResponder]; } [super touchesBegan: touches withEvent: event]; } - (BOOL)textFieldShouldReturn:(UITextField *)textField { [textField1 resignFirstResponder]; return NO; [textField2 resignFirstResponder]; return NO; [textField3 resignFirstResponder]; return NO; } @end Ok so im getting the yellow bug symbol on the lines: - (void)viewDidLoad { [super viewDidLoad]; self.textField1.delegate = self; textField1.delegate = self; } I don't know how to delegate all of my textFields? how do i make this textFieldReturn work for all of my textFields.. that viewDidLoad area has to be the problem, because everything else works good...

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• Reading a text file, and performing actions based on strings read

  - by user1691766

  Let me start off by saying that I really am quite new to C. So basically I have a text file (contains around 30 assembly instructions, separated by new lines), and I am successfully reading them into my program. From here I need to perform certain actions based off each instruction. I would assume the best way to do this would be via a switch-case statement. However I am encountering a lot of problems due to me trying to compare strings that are 33 characters long. Can anyone please offer me advice on what I am doing wrong, or offer an alternative? Thanks in advance. Here is what I have so far: char instruction[29][ 33 ]; int i,run; i = 0; run = 1; FILE *instPtr; /* LOADING INSTRUCTIONS FROM FILE INTO "instruction" ARRAY*/ if ( ( instPtr = fopen("MIPSinstructions.txt", "r") ) == NULL ) { printf("File could not be opened\n"); } // end if else { fscanf( instPtr, "%s", instruction[0]); printf("%s\n", instruction[0]); while (!feof( instPtr ) ){ i++; fscanf( instPtr, "%s", instruction[i]); printf("%s\n", instruction[i]); } fclose( instPtr ); i = 0; // Reset the counter } //end else return 0; }

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• MySql - JSON data not showing in html

  - by Ramzie

  I'm trying to create a drop down list from a MySql. The php is successfully fetching the data from the MySql. But my problem is the data is not showing on the drop down list in my HTML page? json_mysql_data2.php header("Content-Type: application/json"); require_once("con.php"); $i=0; $jsonData = array(); foreach ($conn_db->query("SELECT customerID FROM customers WHERE furniture='33' ") as $result){ $i++; $jsonData["article".$i]=$result['customerID']; } echo json_encode($jsonData); myJS.js $(document).ready(function(){ var ddlist = document.getElementById("ddlist"); var hr = new XMLHttpRequest(); hr.open("GET", "json_mysql_data2.php", true); hr.setRequestHeader("Content-type", "application/x-www-form-urlencoded"); hr.onreadystatechange = function() { if(hr.readyState == 4 && hr.status == 200) { var d = JSON.parse(hr.responseText); for(var o in d){ if(d[o].title){ ddlist.innerHTML += '</option><option value='+d[o].title+'</option>'; } } } } hr.send("null"); ddlist.innerHTML = "Loading Customer ID...."; }); html <script src="myJS.js" type="text/javascript"></script> </head> <body> <div class="dlist"> Customer ID: <select id='EmpLst' name="dwlist" onchange='document.getElementById("val1").value = this.value;'><option value="">SELECT STUDENT ID</option> <div id="ddlist"></div> </select> </div>

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• Disable a control inside a gridview

  - by saeed talaee

  Hi i want to disable link-bottoms control in a grid view with the condition of a special value . for example if the count for a row become 0 ,the link bottom for that row should be invisible . what should i do? where should i write the code? here is cod that i write in row command grid view but it works only of i push the link bottom!! but i want to apply this cod to my page before loading. please guide me int idx = Convert.ToInt32(e.CommandArgument); idx = idx - (GridView1.PageSize * GridView1.PageIndex); int ID = (int)GridView1.DataKeys[idx].Value; string connStr = ConfigurationManager.ConnectionStrings["dbconn"].ConnectionString; SqlConnection sqlconn = new SqlConnection(connStr); SqlCommand sqlcmd = new SqlCommand(); sqlcmd = new SqlCommand("SELECT count(ID) FROM ReviwerArticle where ArticleID=@ArticleID", sqlconn); sqlcmd.Parameters.AddWithValue("@ArticleID", ID); sqlconn.Open(); int count = ((int)sqlcmd.ExecuteScalar()); sqlconn.Close(); if (count == 0) { ((LinkButton)GridView1.Rows[idx].Cells[0].FindControl("LinkButton4") as LinkButton).Visible = false; }

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