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  • just can't get a controller to work

    - by Asaf
    I try to get into mysite/user so that application/classes/controller/user.php should be working, now this is my file tree: code of controller/user.php: <?php defined('SYSPATH') OR die('No direct access allowed.'); class Controller_User extends Controller_Default { public $template = 'user'; function action_index() { //$view = View::factory('user'); //$view->render(TRUE); $this->template->message = 'hello, world!'; } } ?> code of controller/default.php: <?php defined('SYSPATH') OR die('No direct access allowed.'); class Controller_default extends Controller_Template { } bootstrap.php: <?php defined('SYSPATH') or die('No direct script access.'); //-- Environment setup -------------------------------------------------------- /** * Set the default time zone. * * @see http://kohanaframework.org/guide/using.configuration * @see http://php.net/timezones */ date_default_timezone_set('America/Chicago'); /** * Set the default locale. * * @see http://kohanaframework.org/guide/using.configuration * @see http://php.net/setlocale */ setlocale(LC_ALL, 'en_US.utf-8'); /** * Enable the Kohana auto-loader. * * @see http://kohanaframework.org/guide/using.autoloading * @see http://php.net/spl_autoload_register */ spl_autoload_register(array('Kohana', 'auto_load')); /** * Enable the Kohana auto-loader for unserialization. * * @see http://php.net/spl_autoload_call * @see http://php.net/manual/var.configuration.php#unserialize-callback-func */ ini_set('unserialize_callback_func', 'spl_autoload_call'); //-- Configuration and initialization ----------------------------------------- /** * Initialize Kohana, setting the default options. * * The following options are available: * * - string base_url path, and optionally domain, of your application NULL * - string index_file name of your index file, usually "index.php" index.php * - string charset internal character set used for input and output utf-8 * - string cache_dir set the internal cache directory APPPATH/cache * - boolean errors enable or disable error handling TRUE * - boolean profile enable or disable internal profiling TRUE * - boolean caching enable or disable internal caching FALSE */ Kohana::init(array( 'base_url' => '/mysite/', 'index_file' => FALSE, )); /** * Attach the file write to logging. Multiple writers are supported. */ Kohana::$log->attach(new Kohana_Log_File(APPPATH.'logs')); /** * Attach a file reader to config. Multiple readers are supported. */ Kohana::$config->attach(new Kohana_Config_File); /** * Enable modules. Modules are referenced by a relative or absolute path. */ Kohana::modules(array( 'auth' => MODPATH.'auth', // Basic authentication 'cache' => MODPATH.'cache', // Caching with multiple backends 'codebench' => MODPATH.'codebench', // Benchmarking tool 'database' => MODPATH.'database', // Database access 'image' => MODPATH.'image', // Image manipulation 'orm' => MODPATH.'orm', // Object Relationship Mapping 'pagination' => MODPATH.'pagination', // Paging of results 'userguide' => MODPATH.'userguide', // User guide and API documentation )); /** * Set the routes. Each route must have a minimum of a name, a URI and a set of * defaults for the URI. */ Route::set('default', '(<controller>(/<action>(/<id>)))') ->defaults(array( 'controller' => 'welcome', 'action' => 'index', )); /** * Execute the main request. A source of the URI can be passed, eg: $_SERVER['PATH_INFO']. * If no source is specified, the URI will be automatically detected. */ echo Request::instance() ->execute() ->send_headers() ->response; ?> .htaccess: RewriteEngine On RewriteBase /mysite/ RewriteRule ^(application|modules|system) - [F,L] RewriteCond %{REQUEST_FILENAME} !-f RewriteCond %{REQUEST_FILENAME} !-d RewriteRule .* index.php/$0 [PT,L] Trying to go to http://localhost/ makes the "hello world" page, from the welcome.php Trying to go to http://localhost/mysite/user give me this: The requested URL /mysite/user was not found on this server.

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  • handle null values for string when implementing IXmlSerializable interface

    - by user208081
    I have the following class that implements IXmlSerializable. When implementing WriteXml(), I need to handle the case where the string members of this class may be null values. What is the best way of handling this? Currently, I am using the default constructor in which all the string properties are initialized to empty string values. This way, when WriteXml() is called, the string will not be null. One other way I could do this is check using String.IsNullOrEmpty before writing each string in xml. Any suggestions on how I can improve this code? using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Xml.Serialization; using System.Globalization; namespace TCS.Common.InformationObjects { public sealed class FaxSender : IXmlSerializable { #region Public Constants private const string DEFAULT_CLASS_NAME = "FaxSender"; #endregion Public Constants #region Public Properties public string Name { get; set; } public string Organization { get; set; } public string PhoneNumber { get; set; } public string FaxNumber { get; set; } public string EmailAddress { get; set; } #endregion Public Properties #region Public Methods #region Constructors public FaxSender() { Name = String.Empty; Organization = String.Empty; PhoneNumber = String.Empty; FaxNumber = String.Empty; EmailAddress = String.Empty; } public FaxSender(string name, string organization, string phoneNumber, string faxNumber, string emailAddress) { Name = name; Organization = organization; PhoneNumber = phoneNumber; FaxNumber = faxNumber; EmailAddress = emailAddress; } #endregion Constructors #region IXmlSerializable Members public System.Xml.Schema.XmlSchema GetSchema() { throw new NotImplementedException(); } public void ReadXml(System.Xml.XmlReader reader) { throw new NotImplementedException(); } public void WriteXml(System.Xml.XmlWriter xmlWriter) { try { // <sender> xmlWriter.WriteStartElement("sender"); // Write the name of the sender as an element. xmlWriter.WriteElementString("name", this.Name.ToString(CultureInfo.CurrentCulture)); // Write the organization of the sender as an element. xmlWriter.WriteElementString("organization", this.Organization.ToString(CultureInfo.CurrentCulture)); // Write the phone number of the sender as an element. xmlWriter.WriteElementString("phone_number", this.PhoneNumber.ToString(CultureInfo.CurrentCulture)); // Write the fax number of the sender as an element. xmlWriter.WriteElementString("fax_number", this.FaxNumber.ToString(CultureInfo.CurrentCulture)); // Write the email address of the sender as an element. xmlWriter.WriteElementString("email_address", this.EmailAddress.ToString(CultureInfo.CurrentCulture)); // </sender> xmlWriter.WriteEndElement(); } catch { // Rethrow any exceptions. throw; } } #endregion IXmlSerializable Members #endregion Public Methods } }

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  • OAuth Consumer request for token from ServiceProvider returns InternalServerError

    - by chridam
    I'm playing around with DevDefined.OAuth - an OAuth consumer and provider implementation for .Net http://code.google.com/p/devdefined-tools/wiki/OAuth and on launching the ExampleConsumerSite project after configuring the service endpoints on my IIS 7 web server, I'm receiving the following error: Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code. Exception Details: System.Exception: Request for uri: http://localhost%3A8080/RequestToken.aspx?oauth%5Fcallback=oob&oauth%5Fnonce=94efde0b-dd45-4cee-8253-7496cef0b877&oauth%5Fconsumer%5Fkey=key&oauth%5Fsignature%5Fmethod=PLAINTEXT&oauth%5Ftimestamp=1252512419&oauth%5Fversion=1.0&oauth%5Ftoken=&oauth%5Fsignature=secret%2526 failed. status code: InternalServerError An error occurred during the parsing of a resource required to service this request. Please review the following specific parse error details and modify your source file appropriately. Source Error: [HttpException]: 'RequestToken' is not allowed here because it does not extend class 'System.Web.UI.Page'. at System.Web.UI.TemplateParser.ProcessError(String message) at System.Web.UI.TemplateParser.ProcessInheritsAttribute(String baseTypeName, String codeFileBaseTypeName, String src, Assembly assembly) at System.Web.UI.TemplateParser.PostProcessMainDirectiveAttributes(IDictionary parseData) [HttpParseException]: 'RequestToken' is not allowed here because it does not extend class 'System.Web.UI.Page'. at System.Web.UI.TemplateParser.ProcessException(Exception ex) at System.Web.UI.TemplateParser.ParseStringInternal(String text, Encoding fileEncoding) at System.Web.UI.TemplateParser.ParseString(String text, VirtualPath virtualPath, Encoding fileEncoding) [HttpParseException]: 'RequestToken' is not allowed here because it does not extend class 'System.Web.UI.Page'. at System.Web.UI.TemplateParser.ParseString(String text, VirtualPath virtualPath, Encoding fileEncoding) at System.Web.UI.TemplateParser.ParseReader(StreamReader reader, VirtualPath virtualPath) at System.Web.UI.TemplateParser.ParseFile(String physicalPath, VirtualPath virtualPath) at System.Web.UI.TemplateParser.ParseInternal() at System.Web.UI.TemplateParser.Parse() at System.Web.UI.TemplateParser.Parse(ICollection referencedAssemblies, VirtualPath virtualPath) at System.Web.Compilation.BaseTemplateBuildProvider.get_CodeCompilerType() at System.Web.Compilation.BuildProvider.GetCompilerTypeFromBuildProvider(BuildProvider buildProvider) at System.Web.Compilation.BuildProvidersCompiler.ProcessBuildProviders() at System.Web.Compilation.BuildProvidersCompiler.PerformBuild() at System.Web.Compilation.BuildManager.CompileWebFile(VirtualPath virtualPath) at System.Web.Compilation.BuildManager.GetVPathBuildResultInternal(VirtualPath virtualPath, Boolean noBuild, Boolean allowCrossApp, Boolean allowBuildInPrecompile) at System.Web.Compilation.BuildManager.GetVPathBuildResultWithNoAssert(HttpContext context, VirtualPath virtualPath, Boolean noBuild, Boolean allowCrossApp, Boolean allowBuildInPrecompile) at System.Web.Compilation.BuildManager.GetVirtualPathObjectFactory(VirtualPath virtualPath, HttpContext context, Boolean allowCrossApp, Boolean noAssert) at System.Web.Compilation.BuildManager.CreateInstanceFromVirtualPath(VirtualPath virtualPath, Type requiredBaseType, HttpContext context, Boolean allowCrossApp, Boolean noAssert) at System.Web.UI.PageHandlerFactory.GetHandlerHelper(HttpContext context, String requestType, VirtualPath virtualPath, String physicalPath) at System.Web.UI.PageHandlerFactory.System.Web.IHttpHandlerFactory2.GetHandler(HttpContext context, String requestType, VirtualPath virtualPath, String physicalPath) at System.Web.HttpApplication.MapHttpHandler(HttpContext context, String requestType, VirtualPath path, String pathTranslated, Boolean useAppConfig) at System.Web.HttpApplication.MapHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() at System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) I've noticed the oauth_token GET parameter is empty. On tracing this, the error source is from the line 12 of Default.aspx.cs page: IToken requestToken = session.GetRequestToken(); protected void oauthRequest_Click(object sender, EventArgs e) { OAuthSession session = CreateSession(); IToken requestToken = session.GetRequestToken(); if (string.IsNullOrEmpty(requestToken.Token)) { throw new Exception("The request token was null or empty"); } Session[requestToken.Token] = requestToken; string callBackUrl = "http://localhost:" + HttpContext.Current.Request.Url.Port + "/Callback.aspx"; string authorizationUrl = session.GetUserAuthorizationUrlForToken(requestToken, callBackUrl); Response.Redirect(authorizationUrl, true); } While I'm not sure if this has to do with configuring the service endpoints but I'm running the consumer project from VS2008 and hosting the service on IIS. Please advice.

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  • How to read URDU from url and show it to your mobile using java Me

    - by Basit
    HI, Hope you all will be fine. Actually I m facing a problem. Actually i am using Google translation API. What my application does it connect to CGI-script, i pass value to it using GET then the CGI script connect to Google API, Translate the mesage from english to Urdu and then i retreive it.Here is the code [Java] import java.io.*; import javax.microedition.io.*; import javax.microedition.lcdui.*; import javax.microedition.midlet.*; /** * An example MIDlet to invoke a CGI script (GET method). */ public class InvokeCgiMidlet1 extends MIDlet { private Display display; String url = "http://xxx.xxx.xx.xxx/cgi-bin/api/GT/GT_Send_Msg.cgi?message=my%20name%20is%20basit"; public InvokeCgiMidlet1() { display = Display.getDisplay(this); } /** * Initialization. Invoked when we activate the MIDlet. */ public void startApp() { try { getGrade(url); } catch (IOException e) { System.out.println("IOException " + e); e.printStackTrace(); } } /** * Pause, discontinue .... */ public void pauseApp() { } /** * Destroy must cleanup everything. */ public void destroyApp(boolean unconditional) { } /** * Retrieve a grade.... */ void getGrade(String url) throws IOException { HttpConnection c = null; InputStream is = null; OutputStream os = null; StringBuffer b = new StringBuffer(); TextBox t = null; String response; try { c = (HttpConnection)Connector.open(url, Connector.READ_WRITE); c.setRequestMethod(HttpConnection.GET); c.setRequestProperty("User-Agent","Profile/MIDP-1.0 Confirguration/CLDC-1.0"); c.setRequestProperty("Content-Type","application/x-www-form-urlencoded"); c.setRequestProperty("User-Agent","Profile/MIDP-2.0 Configuration/CLDC-1.1"); c.setRequestProperty("Accept-Charset","UTF-8;q=0.7,*;q=0.7"); c.setRequestProperty("Accept-Encoding","gzip, deflate"); c.setRequestProperty("Accept","text/xml,application/xml,application/xhtml+xml,text/html;q=0.9,text/plain;q=0.8,image/png,*/*;q=0.5"); c.setRequestProperty("Content-Language", "en-EN"); os = c.openOutputStream(); Reader r = new InputStreamReader(c.openDataInputStream(), "UTF-8"); int ch; while ((ch = r.read()) != -1) { b.append((char) ch ); //System.out.println((char)ch + "->" + ch + "->" + ch); } t = new TextBox("Final Grades", b.reverse().toString(), 1024, 0); } finally { if(is!= null) { is.close(); } if(os != null) { os.close(); } if(c != null) { c.close(); } } display.setCurrent(t); } } [/Java] The problem is as i told you that the translated text is in Urdu. So when it appear on screen each character is separate like this. ? ?? ? ? ?? . Because i read character by character I want it to appear in proper form like this ??????? So how can i do this. Is there font rendering required. If yes then how can i do it or any other method please hep me. Thanks

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  • How do I catch this WPF Bitmap loading exception?

    - by mmr
    I'm developing an application that loads bitmaps off of the web using .NET 3.5 sp1 and C#. The loading code looks like: try { CurrentImage = pics[unChosenPics[index]]; bi = new BitmapImage(CurrentImage.URI); // BitmapImage.UriSource must be in a BeginInit/EndInit block. bi.DownloadCompleted += new EventHandler(bi_DownloadCompleted); AssessmentImage.Source = bi; } catch { System.Console.WriteLine("Something broke during the read!"); } and the code to load on bi_DownloadCompleted is: void bi_DownloadCompleted(object sender, EventArgs e) { try { double dpi = 96; int width = bi.PixelWidth; int height = bi.PixelHeight; int stride = width * 4; // 4 bytes per pixel byte[] pixelData = new byte[stride * height]; bi.CopyPixels(pixelData, stride, 0); BitmapSource bmpSource = BitmapSource.Create(width, height, dpi, dpi, PixelFormats.Bgra32, null, pixelData, stride); AssessmentImage.Source = bmpSource; Loading.Visibility = Visibility.Hidden; AssessmentImage.Visibility = Visibility.Visible; } catch { System.Console.WriteLine("Exception when viewing bitmap."); } } Every so often, an image comes along that breaks the reader. I guess that's to be expected. However, rather than being caught by either of those try/catch blocks, the exception is apparently getting thrown outside of where I can handle it. I could handle it using global WPF exceptions, like this SO question. However, that will seriously mess up the control flow of my program, and I'd like to avoid that if at all possible. I have to do the double source assignment because it appears that many images are lacking in width/height parameters in the places where the microsoft bitmap loader expects them to be. So, the first assignment appears to force the download, and the second assignment gets the dpi/image dimensions happen properly. What can I do to catch and handle this exception? Stack trace: at MS.Internal.HRESULT.Check(Int32 hr) at System.Windows.Media.Imaging.BitmapFrameDecode.get_ColorContexts() at System.Windows.Media.Imaging.BitmapImage.FinalizeCreation() at System.Windows.Media.Imaging.BitmapImage.OnDownloadCompleted(Object sender, EventArgs e) at System.Windows.Media.UniqueEventHelper.InvokeEvents(Object sender, EventArgs args) at System.Windows.Media.Imaging.LateBoundBitmapDecoder.DownloadCallback(Object arg) at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Boolean isSingleParameter) at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Boolean isSingleParameter, Delegate catchHandler) at System.Windows.Threading.DispatcherOperation.InvokeImpl() at System.Threading.ExecutionContext.runTryCode(Object userData) at System.Runtime.CompilerServices.RuntimeHelpers.ExecuteCodeWithGuaranteedCleanup(TryCode code, CleanupCode backoutCode, Object userData) at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state) at System.Windows.Threading.DispatcherOperation.Invoke() at System.Windows.Threading.Dispatcher.ProcessQueue() at System.Windows.Threading.Dispatcher.WndProcHook(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled) at MS.Win32.HwndWrapper.WndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled) at MS.Win32.HwndSubclass.DispatcherCallbackOperation(Object o) at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Boolean isSingleParameter) at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Boolean isSingleParameter, Delegate catchHandler) at System.Windows.Threading.Dispatcher.InvokeImpl(DispatcherPriority priority, TimeSpan timeout, Delegate method, Object args, Boolean isSingleParameter) at MS.Win32.HwndSubclass.SubclassWndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam) at MS.Win32.UnsafeNativeMethods.DispatchMessage(MSG& msg) at System.Windows.Threading.Dispatcher.TranslateAndDispatchMessage(MSG& msg) at System.Windows.Threading.Dispatcher.PushFrameImpl(DispatcherFrame frame) at System.Windows.Application.RunInternal(Window window) at LensComparison.App.Main() in C:\Users\Mark64\Documents\Visual Studio 2008\Projects\LensComparison\LensComparison\obj\Release\App.g.cs:line 48 at System.AppDomain._nExecuteAssembly(Assembly assembly, String[] args) at Microsoft.VisualStudio.HostingProcess.HostProc.RunUsersAssembly() at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state) at System.Threading.ThreadHelper.ThreadStart()

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  • reading Twitter API with JSON framework

    - by iPixFolio
    Hi, I'm building a twitter reader into an app. I'm using this JSON library to parse the twitter API. I'm seeing some odd results on certain messages. I know that the Twitter API returns results in UTF8 format. I'm wondering if I'm doing something wrong when reading the JSON parsed fields. My code is spread out across multiple classes so it's hard to give a concise code drop with the symptoms, but here's what I've got: I am using ASIHTTP for async HTTP processing. Here is processing a response from ASIHTTP: ... NSMutableString* tempString = [[NSMutableString alloc] initWithString:[request responseString]]; NSError *error; SBJSON *json = [[SBJSON alloc] init]; id JSONresponse = [json objectWithString:tempString error:&error]; [tempString release]; [json release]; if (JSONresponse) { self.response = JSONresponse; ... self.response holds the JSON representation of the result from the Twitter call. Now, I will take the JSON response and write each tweet into a container object (Tweet). in the following code, the response from above is referenced as request.response: ... // save list of albums to local cache for (NSDictionary* response in request.response) { Tweet* tweet = [[Tweet alloc] init]; tweet.text = [response objectForKey:@"text"]; tweet.id = [response objectForKey:@"id"]; tweet.created = [response objectForKey:@"created_at"]; [Tweet addTweet:tweet]; [tweet release]; } ... at this point, I have a container holding the tweets. I'm only keeping 3 fields from the tweet: "id", "text", and "created_at". the "text" field is the problem field. To display the tweets, I build an HTML page from the container of tweets, like this: ... Tweet* tweet = nil; for (int i = 0; i < [Tweet tweetCount]; i++) { tweet = [Tweet tweetAtIndex:i]; [html appendString:@"<div class='tweet'>"]; [html appendFormat:@"<div class='tweet-date'>%@</div>", tweet.created ]; [html appendFormat:@"<div class='tweet-text'>%@</div>", tweet.text ]; [html appendString:@"</div>"]; } ... In another routine, I save the HTML page to a temp file. if (html && [html length] > 0 ) { NSString* uniqueString = [[NSProcessInfo processInfo] globallyUniqueString]; NSString* filename = [NSString stringWithFormat:@"%@.html", uniqueString ]; filename = [tempDir stringByAppendingPathComponent:filename]; NSError* error = nil; [html writeToFile:filename atomically:NO encoding:NSUTF8StringEncoding error:&error]; ... I then create a URLRequest from the file and load it into an UIWebview: NSURL* url = [NSURL fileURLWithPath:filename]; NSURLRequest* request = [NSURLRequest requestWithURL:url]; [self.webView loadRequest:request]; ... At this point, I can see the tweets in a browser window. some of the tweets will show invalid characters like this: iPhone 4 ad spoofed with Glee’s Jane Lynch ... Glee’s should be Glee's Can anybody shed any light on what I'm doing wrong and offer suggestions on how to fix? basically, to summarize: I'm reading a UTF8 feed with JSON I write the UTF8 strings into an HTML file I display the HTML file with UIWebview. some of the UTF8 strings are not properly decoded. I need to know where to decode them and how to do it. thanks! Mark

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  • Is this way the best solution to read and save images from Rss Feeds?

    - by Keyne
    Hi, I've build a "RSS Feed Reader" module to my application, and for every post with images in the content, I get the first that matches a specific size and then I save for future use as reference to the posts. When processing, everything works properly except when more then 10 images are saved at the same time (This value is variable). I got an 404 error after a while saving the images. Some images are saved, but not all of them. If I run the app in my local server, everything work as expected (using set_timeout(0) to avoid timeout errors). Currently my application is hosted at dreamhost and I'm using Zend Framework. I'm not sure if the problem is specif for Zend Framework applications, so I didn't put any tags about. I've had this problem another time with other projects hosted at dreamhost. They seems to limitate memory for operations like that. My question is: There is a better way to save images then this (maybe in background? a limited amount per operation?): require_once(APPLICATION_PATH . '/../library/simplehtmldom/simple_html_dom.php'); $TableFeeds = new Model_DbTable_Feeds(); $Feeds = $TableFeeds->fetchAll(); foreach($Feeds as $Feed) { $entries = Zend_Feed_Reader::import($Feed->link); $lastEntry = $this->getLastEntry($Feed->id); if($lastEntry) { $lastDate = new Zend_Date($lastEntry->created_at, Zend_Date::ISO_8601); } foreach ($entries as $entry) { if($lastDate) { if(strtotime($lastDate->get('y-M-d H:m:s')) >= strtotime($entry->getDateCreated()->get('y-M-d H:m:s'))) { break; } } $Category = new Model_DbTable_Categorias(); $availableCategories = $Category->getList('slug'); $categoria_id = false; foreach ($categories as $cat) { if(!empty($cat) && !$categoria_id) { $slug = Zf_Convert::slugfy($cat); if($availableCategories[$Feed->categoria_id] == $slug) { $categoria_id = $Feed->categoria_id; break; } if(in_array($slug,$availableCategories)) { $categoria_id = array_search($slug,$availableCategories); break; } } } if(!$categoria_id) { $categoria_id = $Feed->categoria_id; } // Cadastra a entrada $data = array( 'categoria_id' => $categoria_id, 'feed_id' => $Feed->id, 'titulo' => $entry->getTitle(), 'slug' => Zf_Convert::slugfy($entry->getTitle()), 'created_at' => $entry->getDateCreated()->get(Zend_Date::ISO_8601), 'link' => $entry->getLink(), 'html' => $entry->getContent(), 'tags' => $tags ); $entry_id = $this->insert($data); if($categoria_id == 2) { set_time_limit(0); $post_dom = str_get_dom($entry->getContent()); $img_tags = $post_dom->find('img'); $images = array(); foreach($img_tags as $image) { $images[] = $image->src; } if(count($images)) { $i = 0; $saved = false; while($images[$i] && !$saved) { $src = $images[$i]; $imagem = Zf_Image::create($src); $size = $imagem->getCurrentDimensions(); if($size['width'] >= 150 && $size['height'] >= 200) { $imagem->adaptiveResize(200,200); $imagem->save(PUBLIC_PATH . '/img/feeds/manchetes/' . $entry_id . '.jpg'); $saved = true; $this->update(array('imagemChamada' => 1),'id =' . $entry_id); } $i++; } } } } } }

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  • Longitudinal Redundancy Check fails

    - by PaulH
    I have an application that decodes data from a magnetic stripe reader. But, I'm having difficulty getting my calculated LRC check byte to match the one on the cards. If I were to grab 3 cards each with 3 tracks, I would guess the algorithm below would work on 4 of the 9 tracks in those cards. The algorithm I'm using looks like this (C#): private static char GetLRC(string s, int start, int end) { int result = 0; for (int i = start; i <= end; i++) { result ^= Convert.ToByte(s[i]); } return Convert.ToChar(result); } This is an example of track 3 data that fails the check. On this card, track 2 matched, but track 1 also failed. 0 1 2 3 4 5 6 7 8 9 A B C D E F 00 3 4 4 4 4 4 4 4 4 4 4 5 5 5 5 5 10 5 5 5 5 5 6 6 6 6 6 6 6 6 6 6 7 20 7 7 7 7 7 7 7 7 7 8 8 8 8 8 8 8 30 8 8 8 9 9 9 9 9 9 9 9 9 9 0 0 0 40 0 0 0 0 0 0 0 1 2 3 4 1 1 1 1 1 50 1 1 1 1 1 2 2 2 2 2 2 2 2 2 2 3 60 3 3 3 3 3 3 3 3 The sector delimiter is ';' and it ends with a '?'. The LRC byte from this track is 0x30. Unfortunately, the algorithm above computes an LRC of 0x00 per the following calculation (apologies for its length. I want to be thorough): 00 ^ 3b = 3b ';' 3b ^ 33 = 08 08 ^ 34 = 3c 3c ^ 34 = 08 08 ^ 34 = 3c 3c ^ 34 = 08 08 ^ 34 = 3c 3c ^ 34 = 08 08 ^ 34 = 3c 3c ^ 34 = 08 08 ^ 34 = 3c 3c ^ 34 = 08 08 ^ 35 = 3d 3d ^ 35 = 08 08 ^ 35 = 3d 3d ^ 35 = 08 08 ^ 35 = 3d 3d ^ 35 = 08 08 ^ 35 = 3d 3d ^ 35 = 08 08 ^ 35 = 3d 3d ^ 35 = 08 08 ^ 36 = 3e 3e ^ 36 = 08 08 ^ 36 = 3e 3e ^ 36 = 08 08 ^ 36 = 3e 3e ^ 36 = 08 08 ^ 36 = 3e 3e ^ 36 = 08 08 ^ 36 = 3e 3e ^ 36 = 08 08 ^ 37 = 3f 3f ^ 37 = 08 08 ^ 37 = 3f 3f ^ 37 = 08 08 ^ 37 = 3f 3f ^ 37 = 08 08 ^ 37 = 3f 3f ^ 37 = 08 08 ^ 37 = 3f 3f ^ 37 = 08 08 ^ 38 = 30 30 ^ 38 = 08 08 ^ 38 = 30 30 ^ 38 = 08 08 ^ 38 = 30 30 ^ 38 = 08 08 ^ 38 = 30 30 ^ 38 = 08 08 ^ 38 = 30 30 ^ 38 = 08 08 ^ 39 = 31 31 ^ 39 = 08 08 ^ 39 = 31 31 ^ 39 = 08 08 ^ 39 = 31 31 ^ 39 = 08 08 ^ 39 = 31 31 ^ 39 = 08 08 ^ 39 = 31 31 ^ 39 = 08 08 ^ 30 = 38 38 ^ 30 = 08 08 ^ 30 = 38 38 ^ 30 = 08 08 ^ 30 = 38 38 ^ 30 = 08 08 ^ 30 = 38 38 ^ 30 = 08 08 ^ 30 = 38 38 ^ 30 = 08 08 ^ 31 = 39 39 ^ 32 = 0b 0b ^ 33 = 38 38 ^ 34 = 0c 0c ^ 31 = 3d 3d ^ 31 = 0c 0c ^ 31 = 3d 3d ^ 31 = 0c 0c ^ 31 = 3d 3d ^ 31 = 0c 0c ^ 31 = 3d 3d ^ 31 = 0c 0c ^ 31 = 3d 3d ^ 31 = 0c 0c ^ 32 = 3e 3e ^ 32 = 0c 0c ^ 32 = 3e 3e ^ 32 = 0c 0c ^ 32 = 3e 3e ^ 32 = 0c 0c ^ 32 = 3e 3e ^ 32 = 0c 0c ^ 32 = 3e 3e ^ 32 = 0c 0c ^ 33 = 3f 3f ^ 33 = 0c 0c ^ 33 = 3f 3f ^ 33 = 0c 0c ^ 33 = 3f 3f ^ 33 = 0c 0c ^ 33 = 3f 3f ^ 33 = 0c 0c ^ 33 = 3f 3f ^ 3f = 00 '?' If anybody can point out how to fix my algorithm, I would appreciate it. Thanks, PaulH

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  • There is an error in XML document... When calling to web service

    - by Sigurjón Guðbergsson
    I have created a web service and a function in it that should return a list of 11thousand records retreived from a pervasive database Here is my function in the web service. [WebService(Namespace = "http://tempuri.org/")] [WebServiceBinding(ConformsTo = WsiProfiles.BasicProfile1_1)] [System.ComponentModel.ToolboxItem(false)] public class BBI : System.Web.Services.WebService { [WebMethod] public List<myObject> getAll() { List<myObject> result = new List<myObject>(); PsqlConnection conn = new PsqlConnection("Host=soemthing;Port=something;Database=something;Encoding=IBM861"); conn.Open(); string strSql = "select 0, 1, 2, 3, 4, 5 from something"; PsqlCommand DBCmd = new PsqlCommand(strSql, conn); PsqlDataReader myDataReader; myDataReader = DBCmd.ExecuteReader(); while (myDataReader.Read()) { myObject b = new myObject(); b.0 = Convert.ToInt32(myDataReader[0].ToString()); b.1 = myDataReader[1].ToString(); b.2 = myDataReader[2].ToString(); b.3 = myDataReader[3].ToString(); b.4 = myDataReader[4].ToString(); b.5 = myDataReader[5].ToString(); result.Add(b); } conn.Close(); myDataReader.Close(); return result; } } Then i add web reference to this web service in my client program and call the reference BBI. Then i call to the getAll function and get the error : There is an error in XML document (1, 63432). public List<BBI.myObject> getAll() { BBI.BBI bbi = new BBI.BBI(); List<BBI.myObject> allBooks = bbi.getAll().OfType<BBI.myObject>().ToList(); return allBooks; } Here is the total exception detail System.InvalidOperationException was unhandled by user code Message=There is an error in XML document (1, 71897). Source=System.Xml StackTrace: at System.Xml.Serialization.XmlSerializer.Deserialize(XmlReader xmlReader, String encodingStyle, XmlDeserializationEvents events) at System.Xml.Serialization.XmlSerializer.Deserialize(XmlReader xmlReader, String encodingStyle) at System.Web.Services.Protocols.SoapHttpClientProtocol.ReadResponse(SoapClientMessage message, WebResponse response, Stream responseStream, Boolean asyncCall) at System.Web.Services.Protocols.SoapHttpClientProtocol.Invoke(String methodName, Object[] parameters) at BBI.BBI.getAllBooks() in c:\WINDOWS\Microsoft.NET\Framework\v4.0.30319\Temporary ASP.NET Files\vefur\73db60db\a4ee31dd\App_WebReferences.jl1r8jv6.0.cs:line 252 at webServiceFuncions.getAllBooks() in c:\Documents and Settings\forritari\Desktop\Vefur - Nýr\BBI\trunk\Vefur\App_Code\webServiceFuncions.cs:line 59 InnerException: System.Xml.XmlException Message='', hexadecimal value 0x01, is an invalid character. Line 1, position 71897. Source=System.Xml LineNumber=1 LinePosition=71897 SourceUri="" StackTrace: at System.Xml.XmlTextReaderImpl.Throw(Exception e) at System.Xml.XmlTextReaderImpl.Throw(String res, String[] args) at System.Xml.XmlTextReaderImpl.Throw(Int32 pos, String res, String[] args) at System.Xml.XmlTextReaderImpl.ParseNumericCharRefInline(Int32 startPos, Boolean expand, StringBuilder internalSubsetBuilder, Int32& charCount, EntityType& entityType) at System.Xml.XmlTextReaderImpl.ParseCharRefInline(Int32 startPos, Int32& charCount, EntityType& entityType) at System.Xml.XmlTextReaderImpl.ParseText(Int32& startPos, Int32& endPos, Int32& outOrChars) at System.Xml.XmlTextReaderImpl.ParseText() at System.Xml.XmlTextReaderImpl.ParseElementContent() at System.Xml.XmlTextReaderImpl.Read() at System.Xml.XmlTextReader.Read() at System.Xml.XmlReader.ReadElementString() at Microsoft.Xml.Serialization.GeneratedAssembly.XmlSerializationReaderBBI.Read2_Book(Boolean isNullable, Boolean checkType) at Microsoft.Xml.Serialization.GeneratedAssembly.XmlSerializationReaderBBI.Read20_getAllBooksResponse() at Microsoft.Xml.Serialization.GeneratedAssembly.ArrayOfObjectSerializer35.Deserialize(XmlSerializationReader reader) at System.Xml.Serialization.XmlSerializer.Deserialize(XmlReader xmlReader, String encodingStyle, XmlDeserializationEvents events) InnerException: The database records are containing all kind of strange symbols, for example ¤rmann Kr. Einarsson and Tv” ‘fint˜ri Can someone see what im doing wrong here?

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  • Break a class in twain, or impose an interface for restricted access?

    - by bedwyr
    What's the best way of partitioning a class when its functionality needs to be externally accessed in different ways by different classes? Hopefully the following example will make the question clear :) I have a Java class which accesses a single location in a directory allowing external classes to perform read/write operations to it. Read operations return usage stats on the directory (e.g. available disk space, number of writes, etc.); write operations, obviously, allow external classes to write data to the disk. These methods always work on the same location, and receive their configuration (e.g. which directory to use, min disk space, etc.) from an external source (passed to the constructor). This class looks something like this: public class DiskHandler { public DiskHandler(String dir, int minSpace) { ... } public void writeToDisk(String contents, String filename) { int space = getAvailableSpace(); ... } public void getAvailableSpace() { ... } } There's quite a bit more going on, but this will do to suffice. This class needs to be accessed differently by two external classes. One class needs access to the read operations; the other needs access to both read and write operations. public class DiskWriter { DiskHandler diskHandler; public DiskWriter() { diskHandler = new DiskHandler(...); } public void doSomething() { diskHandler.writeToDisk(...); } } public class DiskReader { DiskHandler diskHandler; public DiskReader() { diskHandler = new DiskHandler(...); } public void doSomething() { int space = diskHandler.getAvailableSpace(...); } } At this point, both classes share the same class, but the class which should only read has access to the write methods. Solution 1 I could break this class into two. One class would handle read operations, and the other would handle writes: // NEW "UTILITY" CLASSES public class WriterUtil { private ReaderUtil diskReader; public WriterUtil(String dir, int minSpace) { ... diskReader = new ReaderUtil(dir, minSpace); } public void writeToDisk(String contents, String filename) { int = diskReader.getAvailableSpace(); ... } } public class ReaderUtil { public ReaderUtil(String dir, int minSpace) { ... } public void getAvailableSpace() { ... } } // MODIFIED EXTERNALLY-ACCESSING CLASSES public class DiskWriter { WriterUtil diskWriter; public DiskWriter() { diskWriter = new WriterUtil(...); } public void doSomething() { diskWriter.writeToDisk(...); } } public class DiskReader { ReaderUtil diskReader; public DiskReader() { diskReader = new ReaderUtil(...); } public void doSomething() { int space = diskReader.getAvailableSpace(...); } } This solution prevents classes from having access to methods they should not, but it also breaks encapsulation. The original DiskHandler class was completely self-contained and only needed config parameters via a single constructor. By breaking apart the functionality into read/write classes, they both are concerned with the directory and both need to be instantiated with their respective values. In essence, I don't really care to duplicate the concerns. Solution 2 I could implement an interface which only provisions read operations, and use this when a class only needs access to those methods. The interface might look something like this: public interface Readable { int getAvailableSpace(); } The Reader class would instantiate the object like this: Readable diskReader; public DiskReader() { diskReader = new DiskHandler(...); } This solution seems brittle, and prone to confusion in the future. It doesn't guarantee developers will use the correct interface in the future. Any changes to the implementation of the DiskHandler could also need to update the interface as well as the accessing classes. I like it better than the previous solution, but not by much. Frankly, neither of these solutions seems perfect, but I'm not sure if one should be preferred over the other. I really don't want to break the original class up, but I also don't know if the interface buys me much in the long run. Are there other solutions I'm missing?

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  • Code in FOR loop not executed

    - by androniennn
    I have a ProgressDialog that retrieves in background data from database by executing php script. I'm using gson Google library. php script is working well when executed from browser: {"surveys":[{"id_survey":"1","question_survey":"Are you happy with the actual government?","answer_yes":"50","answer_no":"20"}],"success":1} However, ProgressDialog background treatment is not working well: @Override protected Void doInBackground(Void... params) { String url = "http://192.168.1.4/tn_surveys/get_all_surveys.php"; HttpGet getRequest = new HttpGet(url); Log.d("GETREQUEST",getRequest.toString()); try { DefaultHttpClient httpClient = new DefaultHttpClient(); Log.d("URL1",url); HttpResponse getResponse = httpClient.execute(getRequest); Log.d("GETRESPONSE",getResponse.toString()); final int statusCode = getResponse.getStatusLine().getStatusCode(); Log.d("STATUSCODE",Integer.toString(statusCode)); Log.d("HTTPSTATUSOK",Integer.toString(HttpStatus.SC_OK)); if (statusCode != HttpStatus.SC_OK) { Log.w(getClass().getSimpleName(), "Error " + statusCode + " for URL " + url); return null; } HttpEntity getResponseEntity = getResponse.getEntity(); Log.d("RESPONSEENTITY",getResponseEntity.toString()); InputStream httpResponseStream = getResponseEntity.getContent(); Log.d("HTTPRESPONSESTREAM",httpResponseStream.toString()); Reader inputStreamReader = new InputStreamReader(httpResponseStream); Gson gson = new Gson(); this.response = gson.fromJson(inputStreamReader, Response.class); } catch (IOException e) { getRequest.abort(); Log.w(getClass().getSimpleName(), "Error for URL " + url, e); } return null; } @Override protected void onPostExecute(Void result) { super.onPostExecute(result); Log.d("HELLO","HELLO"); StringBuilder builder = new StringBuilder(); Log.d("STRINGBUILDER","STRINGBUILDER"); for (Survey survey : this.response.data) { String x= survey.getQuestion_survey(); Log.d("QUESTION",x); builder.append(String.format("<br>ID Survey: <b>%s</b><br> <br>Question: <b>%s</b><br> <br>Answer YES: <b>%s</b><br> <br>Answer NO: <b>%s</b><br><br><br>", survey.getId_survey(), survey.getQuestion_survey(),survey.getAnswer_yes(),survey.getAnswer_no())); } Log.d("OUT FOR","OUT"); capitalTextView.setText(Html.fromHtml(builder.toString())); progressDialog.cancel(); } HELLO Log is displayed. STRINGBUILDER Log is displayed. QUESTION Log is NOT displayed. OUT FOR Log is displayed. Survey Class: public class Survey { int id_survey; String question_survey; int answer_yes; int answer_no; public Survey() { this.id_survey = 0; this.question_survey = ""; this.answer_yes=0; this.answer_no=0; } public int getId_survey() { return id_survey; } public String getQuestion_survey() { return question_survey; } public int getAnswer_yes() { return answer_yes; } public int getAnswer_no() { return answer_no; } } Response Class: public class Response { ArrayList<Survey> data; public Response() { data = new ArrayList<Survey>(); } } Any help please concerning WHY the FOR loop is not executed. Thank you for helping.

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  • combobox with for each loop

    - by Mary
    Hi I am a student do anybody know after populating the combobox with the database values. How to display the same value in the text box. When I select a name in the combobox the same name should be displayed in the text box I am using seleted item. Here is the code. I am getting the error the following error using the foreach loop foreach statement cannot operate on variables of type 'object' because 'object' does not contain a public definition for 'GetEnumerator' using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.Linq; using System.Text; using System.Windows.Forms; using System.Data.OleDb; namespace DBExample { public partial class Form1 : Form { private OleDbConnection dbConn; // Connectionn object private OleDbCommand dbCmd; // Command object private OleDbDataReader dbReader;// Data Reader object private Member aMember; private string sConnection; // private TextBox tb1; // private TextBox tb2; private string sql; public Form1() { InitializeComponent(); } private void Form1_Load(object sender, EventArgs e) { try { // Construct an object of the OleDbConnection // class to store the connection string // representing the type of data provider // (database) and the source (actual db) sConnection = "Provider=Microsoft.Jet.OLEDB.4.0;" + "Data Source=c:member.mdb"; dbConn = new OleDbConnection(sConnection); dbConn.Open(); // Construct an object of the OleDbCommand // class to hold the SQL query. Tie the // OleDbCommand object to the OleDbConnection // object sql = "Select * From memberTable Order " + "By LastName , FirstName "; dbCmd = new OleDbCommand(); dbCmd.CommandText = sql; dbCmd.Connection = dbConn; // Create a dbReader object dbReader = dbCmd.ExecuteReader(); while (dbReader.Read()) { aMember = new Member (dbReader["FirstName"].ToString(), dbReader["LastName"].ToString(), dbReader["StudentId"].ToString(), dbReader["PhoneNumber"].ToString()); // tb1.Text = dbReader["FirstName"].ToString(); // tb2.Text = dbReader["LastName"].ToString(); // tb1.Text = aMember.X().ToString(); //tb2.Text = aMember.Y(aMember.ID).ToString(); this.comboBox1.Items.Add(aMember.FirstName.ToString()); // this.listBox1.Items.Add(aMember.ToString()); // MessageBox.Show(aMember.ToString()); // Console.WriteLine(aMember.ToString()); } dbReader.Close(); dbConn.Close(); } catch (System.Exception exc) { MessageBox.Show("show" + exc); } } private void DbGUI_Load(object sender, EventArgs e) { } private void comboBox1_SelectedIndexChanged(object sender, EventArgs e) { this.textBox1.Text = comboBox1.SelectedItem.ToString(); textBox2.Text = string.Empty; foreach (var item in comboBox1.SelectedItem) textBox2.Text += item.ToString(); } private void textBox2_TextChanged(object sender, EventArgs e) { } private void textBox1_TextChanged(object sender, EventArgs e) { } } }

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  • How to code a time delay between plotting points in JFreeCharts?

    - by Javajava
    Is there a way to animate the plotting process of an xy-line chart using JFreeCharts? I want to be able to watch the program draw each line segment and connect them. For example, if I paste this into the TextArea, "gtgtaaacaatatatggcg," I want to watch it graph each line segment one by one. Thanks in advance! :) My code is below: import java.util.Scanner; import java.applet.Applet; import java.awt.; import java.awt.event.ActionListener; import java.awt.event.ActionEvent; import org.jfree.chart.; import org.jfree.chart.plot.PlotOrientation; import org.jfree.data.xy.*; public class RandomWalkComplete extends Applet implements ActionListener { Panel panel; TextArea textarea, outputArea; Button move,exit; String thetext; Scanner reader = new Scanner(System.in); String thetext2; Label instructions; int x,y; public void init() { setSize(500,250); //set size of applet instructions=new Label("Paste the gene sequences in the " + "text field and press the graph button."); add(instructions); panel = new Panel(); add(panel); setVisible(true); textarea= new TextArea(10,20); add(textarea); move=new Button("Graph"); move.addActionListener(this); add(move); exit=new Button("Exit"); exit.addActionListener(this); add(exit); } public void actionPerformed(ActionEvent e) { XYSeries series = new XYSeries("DNA Walk",false,true); x= 0; y = 0; series.add(x,y); if(e.getSource() == move) { thetext=textarea.getText(); //the text is the DNA bases pasted thetext=thetext.replaceAll(" ",""); //removes spaces thetext2 = ""; for(int i=0; i<thetext.length(); i++) { char a = thetext.charAt(i); switch (a) { case 'A': case 'a'://moves right x+=1; y+=0; series.add(x,y); break; case 'C': case 'c': //moves up x+=0; y+=1; series.add(x,y); break; case 'G': case 'g': //move left x-=1; y+=0; series.add(x,y); break; case 'T': case 't'://move down x+=0; y-=1; series.add(x,y); break; default: // series.add(0,0); break; } } XYDataset xyDataset = new XYSeriesCollection(series); JFreeChart chart = ChartFactory.createXYLineChart ("DNA Random Walk", "", "", xyDataset, PlotOrientation.VERTICAL, true, true, false); ChartFrame frame1=new ChartFrame("DNA Random Walk",chart); frame1.setVisible(true); frame1.setSize(300,300); } if(e.getSource()==exit) {System.exit(0);} } public void stop(){} }

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  • XDocument + IEnumerable is causing out of memory exception in System.Xml.Linq.dll

    - by Manatherin
    Basically I have a program which, when it starts loads a list of files (as FileInfo) and for each file in the list it loads a XML document (as XDocument). The program then reads data out of it into a container class (storing as IEnumerables), at which point the XDocument goes out of scope. The program then exports the data from the container class to a database. After the export the container class goes out of scope, however, the garbage collector isn't clearing up the container class which, because its storing as IEnumerable, seems to lead to the XDocument staying in memory (Not sure if this is the reason but the task manager is showing the memory from the XDocument isn't being freed). As the program is looping through multiple files eventually the program is throwing a out of memory exception. To mitigate this ive ended up using System.GC.Collect(); to force the garbage collector to run after the container goes out of scope. this is working but my questions are: Is this the right thing to do? (Forcing the garbage collector to run seems a bit odd) Is there a better way to make sure the XDocument memory is being disposed? Could there be a different reason, other than the IEnumerable, that the document memory isnt being freed? Thanks. Edit: Code Samples: Container Class: public IEnumerable<CustomClassOne> CustomClassOne { get; set; } public IEnumerable<CustomClassTwo> CustomClassTwo { get; set; } public IEnumerable<CustomClassThree> CustomClassThree { get; set; } ... public IEnumerable<CustomClassNine> CustomClassNine { get; set; }</code></pre> Custom Class: public long VariableOne { get; set; } public int VariableTwo { get; set; } public DateTime VariableThree { get; set; } ... Anyway that's the basic structures really. The Custom Classes are populated through the container class from the XML document. The filled structures themselves use very little memory. A container class is filled from one XML document, goes out of scope, the next document is then loaded e.g. public static void ExportAll(IEnumerable<FileInfo> files) { foreach (FileInfo file in files) { ExportFile(file); //Temporary to clear memory System.GC.Collect(); } } private static void ExportFile(FileInfo file) { ContainerClass containerClass = Reader.ReadXMLDocument(file); ExportContainerClass(containerClass); //Export simply dumps the data from the container class into a database //Container Class (and any passed container classes) goes out of scope at end of export } public static ContainerClass ReadXMLDocument(FileInfo fileToRead) { XDocument document = GetXDocument(fileToRead); var containerClass = new ContainerClass(); //ForEach customClass in containerClass //Read all data for customClass from XDocument return containerClass; } Forgot to mention this bit (not sure if its relevent), the files can be compressed as .gz so I have the GetXDocument() method to load it private static XDocument GetXDocument(FileInfo fileToRead) { XDocument document; using (FileStream fileStream = new FileStream(fileToRead.FullName, FileMode.Open, FileAccess.Read, FileShare.Read)) { if (String.Compare(fileToRead.Extension, ".gz", true) == 0) { using (GZipStream zipStream = new GZipStream(fileStream, CompressionMode.Decompress)) { document = XDocument.Load(zipStream); } } else { document = XDocument.Load(fileStream); } return document; } } Hope this is enough information. Thanks Edit: The System.GC.Collect() is not working 100% of the time, sometimes the program seems to retain the XDocument, anyone have any idea why this might be?

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  • IOException during blocking network NIO in JDK 1.7

    - by Bass
    I'm just learning NIO, and here's the short example I've written to test how a blocking NIO can be interrupted: class TestBlockingNio { private static final boolean INTERRUPT_VIA_THREAD_INTERRUPT = true; /** * Prevent the socket from being GC'ed */ static Socket socket; private static SocketChannel connect(final int port) { while (true) { try { final SocketChannel channel = SocketChannel.open(new InetSocketAddress(port)); channel.configureBlocking(true); return channel; } catch (final IOException ioe) { try { Thread.sleep(1000); } catch (final InterruptedException ie) { } continue; } } } private static byte[] newBuffer(final int length) { final byte buffer[] = new byte[length]; for (int i = 0; i < length; i++) { buffer[i] = (byte) 'A'; } return buffer; } public static void main(final String args[]) throws IOException, InterruptedException { final int portNumber = 10000; new Thread("Reader") { public void run() { try { final ServerSocket serverSocket = new ServerSocket(portNumber); socket = serverSocket.accept(); /* * Fully ignore any input from the socket */ } catch (final IOException ioe) { ioe.printStackTrace(); } } }.start(); final SocketChannel channel = connect(portNumber); final Thread main = Thread.currentThread(); final Thread interruptor = new Thread("Inerruptor") { public void run() { System.out.println("Press Enter to interrupt I/O "); while (true) { try { System.in.read(); } catch (final IOException ioe) { ioe.printStackTrace(); } System.out.println("Interrupting..."); if (INTERRUPT_VIA_THREAD_INTERRUPT) { main.interrupt(); } else { try { channel.close(); } catch (final IOException ioe) { System.out.println(ioe.getMessage()); } } } } }; interruptor.setDaemon(true); interruptor.start(); final ByteBuffer buffer = ByteBuffer.allocate(32768); int i = 0; try { while (true) { buffer.clear(); buffer.put(newBuffer(buffer.capacity())); buffer.flip(); channel.write(buffer); System.out.print('X'); if (++i % 80 == 0) { System.out.println(); Thread.sleep(100); } } } catch (final ClosedByInterruptException cbie) { System.out.println("Closed via Thread.interrupt()"); } catch (final AsynchronousCloseException ace) { System.out.println("Closed via Channel.close()"); } } } In the above example, I'm writing to a SocketChannel, but noone is reading from the other side, so eventually the write operation hangs. This example works great when run by JDK-1.6, with the following output: Press Enter to interrupt I/O XXXX Interrupting... Closed via Thread.interrupt() — meaning that only 128k of data was written to the TCP socket's buffer. When run by JDK-1.7 (1.7.0_25-b15 and 1.7.0-u40-b37), however, the very same code bails out with an IOException: Press Enter to interrupt I/O XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX XXXXXXXXXXX Exception in thread "main" java.io.IOException: Broken pipe at sun.nio.ch.FileDispatcherImpl.write0(Native Method) at sun.nio.ch.SocketDispatcher.write(SocketDispatcher.java:47) at sun.nio.ch.IOUtil.writeFromNativeBuffer(IOUtil.java:93) at sun.nio.ch.IOUtil.write(IOUtil.java:65) at sun.nio.ch.SocketChannelImpl.write(SocketChannelImpl.java:487) at com.example.TestBlockingNio.main(TestBlockingNio.java:109) Can anyone explain this different behaviour?

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  • How to best propagate changes upwards a hierarchical structure for binding?

    - by H.B.
    If i have a folder-like structure that uses the composite design pattern and i bind the root folder to a TreeView. It would be quite useful if i can display certain properties that are being accumulated from the folder's contents. The question is, how do i best inform the folder that changes occurred in a child-element so that the accumulative properties get updated? The context in which i need this is a small RSS-FeedReader i am trying to make. This are the most important objects and aspects of my model: Composite interface: public interface IFeedComposite : INotifyPropertyChanged { string Title { get; set; } int UnreadFeedItemsCount { get; } ObservableCollection<FeedItem> FeedItems { get; } } FeedComposite (aka Folder) public class FeedComposite : BindableObject, IFeedComposite { private string title = ""; public string Title { get { return title; } set { title = value; NotifyPropertyChanged("Title"); } } private ObservableCollection<IFeedComposite> children = new ObservableCollection<IFeedComposite>(); public ObservableCollection<IFeedComposite> Children { get { return children; } set { children.Clear(); foreach (IFeedComposite item in value) { children.Add(item); } NotifyPropertyChanged("Children"); } } public FeedComposite() { } public FeedComposite(string title) { Title = title; } public ObservableCollection<FeedItem> FeedItems { get { ObservableCollection<FeedItem> feedItems = new ObservableCollection<FeedItem>(); foreach (IFeedComposite child in Children) { foreach (FeedItem item in child.FeedItems) { feedItems.Add(item); } } return feedItems; } } public int UnreadFeedItemsCount { get { return (from i in FeedItems where i.IsUnread select i).Count(); } } Feed: public class Feed : BindableObject, IFeedComposite { private string url = ""; public string Url { get { return url; } set { url = value; NotifyPropertyChanged("Url"); } } ... private ObservableCollection<FeedItem> feedItems = new ObservableCollection<FeedItem>(); public ObservableCollection<FeedItem> FeedItems { get { return feedItems; } set { feedItems.Clear(); foreach (FeedItem item in value) { AddFeedItem(item); } NotifyPropertyChanged("Items"); } } public int UnreadFeedItemsCount { get { return (from i in FeedItems where i.IsUnread select i).Count(); } } public Feed() { } public Feed(string url) { Url = url; } Ok, so here's the thing, if i bind a TextBlock.Text to the UnreadFeedItemsCount there won't be simple notifications when an item is marked unread, so one of my approaches has been to handle the PropertyChanged event of every FeedItem and if the IsUnread-Property is changed i have my Feed make a notification that the property UnreadFeedItemsCount has been changed. With this approach i also need to handle all PropertyChanged events of all Feeds and FeedComposites in Children of FeedComposite, from the sound of it, it should be obvious that this is not such a very good idea, you need to be very careful that items never get added or removed to any collection without having attached the PropertyChanged event handler first and things like that. Also: What do i do with the CollectionChanged-Events which necessarily also cause a change in the sum of the unread items count? Sounds like more event handling fun. It is such a mess, it would be great if anyone has an elegant solution to this since i don't want the feed-reader to end up as awful as my first attempt years ago when i didn't even know about DataBinding...

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  • Defend PHP; convince me it isn't horrible

    - by Jason L
    I made a tongue-in-cheek comment in another question thread calling PHP a terrible language and it got down-voted like crazy. Apparently there are lots of people here who love PHP. So I'm genuinely curious. What am I missing? What makes PHP a good language? Here are my reasons for disliking it: PHP has inconsistent naming of built-in and library functions. Predictable naming patterns are important in any design. PHP has inconsistent parameter ordering of built-in functions, eg array_map vs. array_filter which is annoying in the simple cases and raises all sorts of unexpected behaviour or worse. The PHP developers constantly deprecate built-in functions and lower-level functionality. A good example is when they deprecated pass-by-reference for functions. This created a nightmare for anyone doing, say, function callbacks. A lack of consideration in redesign. The above deprecation eliminated the ability to, in many cases, provide default keyword values for functions. They fixed this in PHP 5, but they deprecated the pass-by-reference in PHP 4! Poor execution of name spaces (formerly no name spaces at all). Now that name spaces exist, what do we use as the dereference character? Backslash! The character used universally for escaping, even in PHP! Overly-broad implicit type conversion leads to bugs. I have no problem with implicit conversions of, say, float to integer or back again. But PHP (last I checked) will happily attempt to magically convert an array to an integer. Poor recursion performance. Recursion is a fundamentally important tool for writing in any language; it can make complex algorithms far simpler. Poor support is inexcusable. Functions are case insensitive. I have no idea what they were thinking on this one. A programming language is a way to specify behavior to both a computer and a reader of the code without ambiguity. Case insensitivity introduces much ambiguity. PHP encourages (practically requires) a coupling of processing with presentation. Yes, you can write PHP that doesn't do so, but it's actually easier to write code in the incorrect (from a sound design perspective) manner. PHP performance is abysmal without caching. Does anyone sell a commercial caching product for PHP? Oh, look, the designers of PHP do. Worst of all, PHP convinces people that designing web applications is easy. And it does indeed make much of the effort involved much easier. But the fact is, designing a web application that is both secure and efficient is a very difficult task. By convincing so many to take up programming, PHP has taught an entire subgroup of programmers bad habits and bad design. It's given them access to capabilities that they lack the understanding to use safely. This has led to PHP's reputation as being insecure. (However, I will readily admit that PHP is no more or less secure than any other web programming language.) What is it that I'm missing about PHP? I'm seeing an organically-grown, poorly-managed mess of a language that's spawning poor programmers. So convince me otherwise!

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  • My Jtable is blank

    - by mazin
    Hello my q is about a jtable that i have ,i fill it with components from a .txt ,I have a main (menu ) JFrame and by pressing a jbutton i want the jtable to pop out ! My problem is that my jtable is blank and it supposed to show some date !I would appreciated any help , Thanks. this is my ''reading'' class` public static void main(String[] args) { company Company=new company(); payFrame jframe=new payFrame(Company); jframe.setDefaultCloseOperation( JFrame.EXIT_ON_CLOSE); jframe.setSize(600,300); jframe.setVisible(true); readClass(); } //diavasma public static void readClass(){ ArrayList<Employee> emp =new ArrayList<Employee>() ; //Employee[] emp=new Employee[7]; //read from file try { int i=0; // int rowCounter; // int payments=0; String inputDocument = ("src/Employees.txt"); FileInputStream is = new FileInputStream(inputDocument); Reader iD = new InputStreamReader(is); BufferedReader buf = new BufferedReader(iD); String inputLine; while ((inputLine = buf.readLine()) != null) { String[] lineParts = inputLine.split(","); String email = (lineParts[7]); int EmpNo = Integer.parseInt(lineParts[0]); String type = lineParts[10]; int PostalCode = Integer.parseInt(lineParts[5]); int phone = Integer.parseInt(lineParts[6]); int DeptNo = (short) Integer.parseInt(lineParts[8]); double Salary; int card = (short) Integer.parseInt(lineParts[10]); int emptype = 0; int hours=Integer.parseInt(lineParts[11]); if (type.equals("FULL TIME")) { emptype = 1; } else if (type.equals("SELLER")) { emptype = 2; } else { emptype = 3; } /** * Creates employee instances depending on their type of employment * (fulltime=1, salesman=2, parttime=3) */ switch (emptype) { case 1: Salary = Double.parseDouble(lineParts[10]); emp.add(new FullTime(lineParts[1], lineParts[2], EmpNo, lineParts[3], lineParts[4], PostalCode, phone, email, DeptNo, card, Salary,hours, type)); i++; break; and this is my class where i make my Jtable and fill him public class company extends JFrame { private ArrayList<Employee> emp = new ArrayList<Employee>(); public void addEmployee(Employee emplo) { emp.add(emplo); } public ArrayList<Employee> getArray() { return emp; } public void getOption1() { ArrayList<Employee> employee = getArray(); JTable table = new JTable(); DefaultTableModel model = new DefaultTableModel(); table.setModel(model); model.setColumnIdentifiers(new String[]{"Code", "First Name", "Last Name", "Address", "City", "Postal Code", "Phone", "Email", "Dept Code", "Salary", "Time Card", "Hours"}); for (Employee current : employee) { model.addRow(new Object[]{current.getempCode(), current.getfirst(), current.getlast(), current.getaddress(), current.getcity(), current.getpostalCode(), current.gettelephone(), current.getemail(), current.getdep(), current.getsalary(), current.getcardcode(), current.getHours() }); } table.setPreferredScrollableViewportSize(new Dimension(500, 50)); table.setFillsViewportHeight(true); JScrollPane scrollPane = new JScrollPane(table); add(scrollPane); setVisible(true); table.revalidate();

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  • Cutting large XML file into smaller pieces in C#

    - by NDraskovic
    I have a problem that I'm working on for quite some time now. I have an XML file with over 50000 records (one record has 3 levels). This file is used by one of my applications to control document sending (the record holds, among other informations, the type of document that has to be sent to a certain person). So in my application I load the XML file into a XmlDocument, and then by using SelectNodes method, I create a XmlNodeList from which I read the data I want. The process is like this - our worker takes the persons ID card (simple eith barcode) and reads it with barcode reader. When the barcode value has been read, my application finds the person with that ID in the XML file, and stores the type of the document into a string variable. Then the worker takes the document and reads its barcode, and if the value of documents barcode and the value in the value in the string variable match, the application makes a record that document of type xxxxxxxx will be sent to the person with ID yyyyyyyyy. This is very simple code, it works perfectly for now, and this is how it looks: On textBox1_TextChanged event (worker read persons ID): foreach(XmlNode node in NodeList){ if(String.Compare(node.Attributes.GetNamedItem("ID").Value.ToString(),textBox1.Text)==0) { ControlString = node.ChildNode[3].FirstChild.Attributes.GetNamedItem("doctype").Value.ToString(); break; } } textBox2.Focus(); And on textBox2_TextChanged event (worker read the documents barcode): if(String.Compare(textBox2.Text,ControlString)==0) { //Create a record and insert it into a SQL database } My question is - how will my application perform with larger XML files (I was told that the XML file might be up to 500,000 records large), will this approach be valid, or will I need to cut the file into smaller files. If I have to cut it, please give me an idea with some code samples, I've tried to do it like this: Reading entire record and storing it into a string: private void WriteXml(XmlNode record) { tempXML = record.InnerXml; temp = "<" + record.Name + " code=\"" + record.Attributes.GetNamedItem("code").Value + "\">" + Environment.NewLine; temp += tempXML + Environment.NewLine; temp += "</" + record.Name + ">"; SmallerXMLDocument += temp + Environment.NewLine; temp = ""; i++; } tempXML, temp and SmallerXMLDocument are all string variables. And then in button_Click method I load the XML file into a XmlNodeList (again by using XmlDocument.SelectNodes method) and I try to create one big string value that would hold all records like this: foreach(XmlNode node in nodes) { if(String.Compare(node.ChildNode[3].FirstChild.Attributes.GetNamedItem("doctype").Value.ToString(),doctype1)==0) { WriteXML(node); } } My idea was to create a string value (in this case called SmallerXmlDocument), and when I pass trough the entire XML file, to simply copy the value of that string into a new file. This works, but only for files that have up to 2000 records (and my has way more than that). So, if I need to cut the file into smaller pieces, what would be the best way to do it (keep in mind that there could be up to half a million records in a XML file)? Thanks

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  • How can I Add newer Data to the start of the xml file (Example inside)

    - by Ofear
    Hi All! After alot of work i finish to make a xml reader and writer... but my problem is that i want the newer data that i insert using my form will be added to the top of the xml file. and not in the bottom.. let me show you an example: this is the XML file: <?xml version="1.0" encoding="utf-8"?> <events> <record> <event>old event</event> <eventDate>1/1/2009</eventDate> <desc>old desc</desc> </record> <record> <event>newer event</event> <eventDate>12/12/2011</eventDate> <desc>newer desc</desc> </record> </events> now.. I want the XML file to be like this: newer data and then old data <?xml version="1.0" encoding="utf-8"?> <events> <record> <event>newer event</event> <eventDate>12/12/2011</eventDate> <desc>newer desc</desc> </record> <record> <event>old event</event> <eventDate>1/1/2009</eventDate> <desc>old desc</desc> </record> </events> This is my add.php (the file that get the POST information from the Form in the main.html : <?php $record = array( 'event' => $_POST['event'], 'eventDate' => $_POST['eventDate'], 'desc' => $_POST['desc'], ); $doc = new DOMDocument(); $doc->load( 'events.xml' ); $doc->formatOutput = true; $r = $doc->getElementsByTagName("events")->item(0); $b = $doc->createElement("record"); $event = $doc->createElement("event"); $event->appendChild( $doc->createTextNode( $record["event"] ) ); $b->appendChild( $event ); $eventDate = $doc->createElement("eventDate"); $eventDate->appendChild( $doc->createTextNode( $record["eventDate"] ) ); $b->appendChild( $eventDate ); $desc = $doc->createElement("desc"); $desc->appendChild( $doc->createTextNode( $record["desc"] ) ); $b->appendChild( $desc ); $r->appendChild( $b ); $doc->save("events.xml"); header("Location: {$_SERVER['HTTP_REFERER']}"); ?> Where do i need to edit to be able to make the *xml as i want?*

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  • window.open() in an iPad on load of a frame does not work

    - by user278859
    I am trying to modify a site that uses "Morten's JavaScript Tree Menu" to display PDFs in a frames set using the Adobe Reader plug-in. On the iPad the frame is useless, so I want to open the PDF in a new tab. Not wanting to mess with the tree menu I thought I could use JavaScript in the web page being opened in the viewer frame to open a new tab with the PDF. I am using window.open() in $(document).ready(function() to open the pdf in the new tab. The problem is that window.open() does not want to work in the iPad. The body of the HTML normally looks like this... <body> <object data="MypdfFileName.pdf#toolbar=1&amp;navpanes=1&amp;scrollbar=0&amp;page=1&amp;view=FitH" type="application/pdf" width="100%" height="100%"> </object> </body> I changed it to only have a div like this... <body> <div class="myviewer" ></div> </body> Then used the following script... $(document).ready(function() { var isMobile = { Android : function() { return navigator.userAgent.match(/Android/i) ? true : false; }, BlackBerry : function() { return navigator.userAgent.match(/BlackBerry/i) ? true : false; }, iOS : function() { return navigator.userAgent.match(/iPhone|iPad|iPod/i) ? true : false; }, Windows : function() { return navigator.userAgent.match(/IEMobile/i) ? true : false; }, any : function() { return (isMobile.Android() || isMobile.BlackBerry() || isMobile.iOS() || isMobile.Windows()); } }; if(isMobile.any()) { var file = "MypdfFileName.pdf"; window.open(file); }else { var markup = "<object data='MypdfFileName.pdf#toolbar=1&amp;navpanes=1&amp;scrollbar=0&amp;page=1&amp;view=FitH' type='application/pdf' width='100%' height='100%'></object>"; $('.myviewer').append(markup); }; }); Everthing works except for window.open() on the iPad. If I switch things around widow.open() works fine on a computer. In another project I am using window.open() successfully on the iPad from an onclick function. I tried using a timer function. I also tried adding an onclick function to the div and posting a click event. In both cases they worked on a computer but not an iPad. I am stumped. I know it would make more sense to handle the ipad in the tree menu frame, but that code is so complex I can't figure out where to put/modify the onclick event. Is there a way to change the object so that it opens in a new tab? Is anyone familiar enough with Mortens Tree Menu code that can tell me how to channge the on click event so that it opens the pdf in a new tab instead of opening a page in the frame? Thanks

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  • Path to background in servlet

    - by kapil chhattani
    //the below line is the element of my HTML form which renders the image sent by the servlet written further below. <img style="margin-left:91px; margin-top:-6px;" class="image" src="http://www.abcd.com/captchaServlet"> I generate a captcha code using the following code in java. public class captchaServlet extends HttpServlet { protected void processRequest(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { int width = 150; int height = 50; int charsToPrint = 6; String elegibleChars = "ABCDEFGHJKLMPQRSTUVWXYabcdefhjkmnpqrstuvwxy1234567890"; char[] chars = elegibleChars.toCharArray(); StringBuffer finalString = new StringBuffer(); for ( int i = 0; i < charsToPrint; i++ ) { double randomValue = Math.random(); int randomIndex = (int) Math.round(randomValue * (chars.length - 1)); char characterToShow = chars[randomIndex]; finalString.append(characterToShow); } System.out.println(finalString); BufferedImage bufferedImage = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB); Graphics2D g2d = bufferedImage.createGraphics(); Font font = new Font("Georgia", Font.BOLD, 18); g2d.setFont(font); RenderingHints rh = new RenderingHints( RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON); rh.put(RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_QUALITY); g2d.setRenderingHints(rh); GradientPaint gp = new GradientPaint(0, 0, Color.BLUE, 0, height/2, Color.black, true); g2d.setPaint(gp); g2d.fillRect(0, 0, width, height); g2d.setColor(new Color(255, 255, 0)); Random r = new Random(); int index = Math.abs(r.nextInt()) % 5; char[] data=new String(finalString).toCharArray(); String captcha = String.copyValueOf(data); int x = 0; int y = 0; for (int i=0; i<data.length; i++) { x += 10 + (Math.abs(r.nextInt()) % 15); y = 20 + Math.abs(r.nextInt()) % 20; g2d.drawChars(data, i, 1, x, y); } g2d.dispose(); response.setContentType("image/png"); OutputStream os = response.getOutputStream(); ImageIO.write(bufferedImage, "png", os); os.close(); } protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { processRequest(request, response); } protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { processRequest(request, response); } } But in the above code background is also generated using the setPaint menthod I am guessing. I want the background to be some image from my local machine whoz URL i should be able to mention like URL url=this.getClass().getResource("Desktop/images.jpg"); BufferedImage bufferedImage = ImageIO.read(url); I am just writing the above two lines for making the reader understand better what the issue is. Dont want to use the exact same commands. All I want is the the background of the captcha code generated should be an image of my choice.

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  • how to fetch meaningful

    - by user1298017
    Hi Every body, I have connected my device to serial port. I am using Javax.comm API to fetch the data from my device. On tapping of card i am reading data as below: newData = inputStream.read(); and able to fetch data : 0 128 161 132 132 132 132 132 132 132 101 65 2 226 99 98 132 132 132 132 132 132 132 132 131 134 164 132 132 132 165 134 132 196 230 167 132 132 132 132 132 132 132 197 196 132 133 132 132 164 197 132 132 198 103 255 How can deciper meaning ful text from it. My code is as below: import java.io.*; import java.util.*; import javax.comm.*; import javax.comm.SerialPort; import java.nio.charset.Charset; import java.nio.charset.CharsetDecoder; import java.nio.charset.CharsetEncoder; public class NFCReader3 implements Runnable, SerialPortEventListener { static CommPortIdentifier portId; static Enumeration portList; InputStream inputStream; SerialPort serialPort; Thread readThread; int i=0; public static void main(String[] args) { boolean portFound = false; String defaultPort = "COM9"; portList = CommPortIdentifier.getPortIdentifiers(); while (portList.hasMoreElements()) { portId = (CommPortIdentifier) portList.nextElement(); if (portId.getPortType() == CommPortIdentifier.PORT_SERIAL) { if (portId.getName().equals(defaultPort)) { System.out.println("Found port: "+defaultPort); portFound = true; NFCReader3 reader = new NFCReader3(); } } } if (!portFound) { System.out.println("port " + defaultPort + " not found."); } } public NFCReader3() { try { serialPort = (SerialPort) portId.open("SimpleReadApp2S", 2000); } catch (PortInUseException e) {} try { inputStream = serialPort.getInputStream(); } catch (IOException e) {} try { serialPort.addEventListener(this); } catch (TooManyListenersException e) {} serialPort.notifyOnDataAvailable(true); try { serialPort.setSerialPortParams(9600, SerialPort.DATABITS_8, SerialPort.STOPBITS_1, SerialPort.PARITY_NONE); } catch (UnsupportedCommOperationException e) {} readThread = new Thread(this); readThread.start(); } public void run() { try { Thread.sleep(20000); } catch (InterruptedException e) {} } public void serialEvent(SerialPortEvent event) { StringBuffer inputBuffer = new StringBuffer(); int newData = 0; switch (event.getEventType()) { case SerialPortEvent.BI: case SerialPortEvent.OE: case SerialPortEvent.FE: case SerialPortEvent.PE: case SerialPortEvent.CD: case SerialPortEvent.CTS: case SerialPortEvent.DSR: case SerialPortEvent.RI: case SerialPortEvent.OUTPUT_BUFFER_EMPTY: break; case SerialPortEvent.DATA_AVAILABLE: while (newData != -1) { try { newData = inputStream.read(); System.out.print(newData); System.out.print(" "); if (newData == -1) { break; } if ('\r' == (char)newData) { inputBuffer.append('\n'); } else { inputBuffer.append((char)newData); } } catch (IOException ex) { System.out.println("exception"); System.err.println(ex); return; } } break;

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  • XMLNodes being appended to an XMLNode are "undefined"? Actionscript 2.0 is being unkind

    - by DigitalMercenary
    If anyone can offer an explanation for this one, I'd LOVE to see it! I was required to append a legacy application to display 20 random questions from an XML data source, as opposed to the total of 70 questions that are part of the original XML. No big deal, right? WRONG! I got it to work just fine in the end, but it's a total HACK! For some reason, some of the nodes that I am appending to a dynamically generated XML document are being returned as "undefined". I kept getting between 16 and 20 questions to render until I modified my iteration from a 'for' loop to a 'do while' loop with the appropriate number of XMLNodes as the condition of the 'do while' loop. Can anyone offer an explanation? Below is the code, with some notes for the reader : function editXML(xml:XML):XML { var node:XMLNode = xml.firstChild; var newNode:XMLNode = new XMLNode(); var nodeArray:Array = new Array(); var usedNodes:Array = new Array(); var totalNodes:Number = node.lastChild.childNodes.length - 1; var nextNode:Number; var returnNode:XMLNode = new XMLNode(); var tempNode:XMLNode; var buildNode:XMLNode; var addNode:Boolean = true; var tempXML:XML = new XML(); var pagesNode:XMLNode = tempXML.createElement("pages"); tempXML.appendChild(pagesNode); tempXML.appendChild(node.childNodes[0]); tempXML.appendChild(node.childNodes[1]); tempXML.appendChild(node.childNodes[2]); var questionsNode:XMLNode = tempXML.createElement("pages"); tempXML.firstChild.appendChild(questionsNode); do { nextNode = Math.floor(Math.random()*totalNodes); **//random number to represent random node** //trace(nextNode + " nextNode"); **//check usedNodes Array to look for node.childNodes[nextNode]. If it already exists, skip and reloop.** trace(node.childNodes[1].childNodes[nextNode] + " : pre building Node " + totalNodes); if(usedNodes.length == 0) { buildNode = new XMLNode(); buildNode.nodeName = node.childNodes[1].childNodes[nextNode].nodeName; buildNode.nodeValue = node.childNodes[1].childNodes[nextNode].nodeValue; tempXML.firstChild.lastChild.appendChild(node.childNodes[1].childNodes[nextNode]) usedNodes.push(node.childNodes[1].childNodes[nextNode]); nodeArray.push(node.childNodes[1].childNodes[nextNode]); trace("adding first node : " + nodeArray.length); addNode = false; } else { for(var j:Number = 0; j < usedNodes.length; j++) { if(usedNodes[j] == node.childNodes[1].childNodes[nextNode]) { addNode = false; trace("skipping node : " + nodeArray.length); } } } **//if node not in usedNodes, add node to XML** if(addNode) { trace(node.childNodes[1].childNodes[nextNode] + " : building Node"); **//This trace statement produced a valid node** tempXML.firstChild.lastChild.appendChild(node.childNodes[1].childNodes[nextNode]); **//Before modifying the code from adding nodes to the xml from an Array called 'nodeArray' in a for loop to adding nodes directly to the xml in a do while loop with the length of the xml node used to retrieve data for the questions as the condition, I was not always getting 20 questions. Some of the nodes were being rendered as 'undefined' and not appended to the xml, even though they were traced and proven valid before the attemp to append them to the xml was made** usedNodes.push(node.childNodes[1].childNodes[nextNode]); } addNode = true; } while(tempXML.firstChild.lastChild.childNodes.length <= 19); trace(tempXML.firstChild.lastChild.childNodes.length + " final nodes Length"); courseXML = tempXML; //removes the old question list of 70 and replaces it with the new question list of 20. Question list is the last node. return tempXML; } If I had my choice, I would have rebuilt the whole application in Flex with AS3. I didn't have that choice. If anyone can explain this mystery, PLEASE DO! Thank you in advance!

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  • CodePlex Daily Summary for Wednesday, February 24, 2010

    CodePlex Daily Summary for Wednesday, February 24, 2010New ProjectsADO.Net DataSets to ExtJs.data.Store: A JavaScript (and C#) based project to reduce the amount of client-side code necessary to consume ADO.Net / ASP.Net web services when using ExtJS.AMP.Net Wrapper: AMP is a platform to build on-line marketplaces (http://www.poweredbyamp.com). AMP.Net provided Object-Like interaction with AMP's restful service...ArkSwitch: ArkSwitch is an easy to use, finger-friendly task manager for Windows Mobile 6.5.3 (with a WM6.5 compatibility mode). It is developed mainly in C#,...Biffen: Cinema-booking project in Computer Science at University College Nordjylland, Denmark.Braintree Client Library: Client library for integrating with the Braintree Gateway.Business Framework: A framework which helps building business applications. It provides business rules, validation rules and a text-based language for writing rules. I...Camp Araminta: This project will be used to coordinate development efforts on the Camp Araminta website.ChoServiceHost: Simple and easy way to create and host Windows Service Applications in .NET 3.5/Visual Studio 2008Delta College Game Development Project: Project site for cs 16 game development classDotNetNuke® Labs: DotNetNuke Labs is a collection of "research & development" type projects for the DotNetNuke platform.Generic web part for hosting Silverlight content on SharePoint sites (WSS,MOSS): This is a generic web part for hosting Silverlight content on WSS 30 and MOSS 2007 sites. The objective of this web part was to make it easy for us...GpTiming: GpTiming is a simple "lab" application related to race events, based on a Domain Model.HTML Forms in Windows Forms: As the names suggests this code library is designed to introduce HTML code (primarily form code) into Windows Forms. It was created because standar...imgur uploader - .net open source uploader for image sharing site imgur: Imgur uploader strives to be an easy to use uploader for images you would like to share with friends and family. It is written in c#.kuuy static system: kuuy static system is a full static publish website system!LaTeX Grapher: The goal of this project is to make a tool that facilitates making high quality two dimensional vector graphic function plots with a minimal amount...LightREST: A .NET library to consume REST-based HTTP services.Machiavelli: Machiavelli is Stackoverflow inspired project that I am working on following Andrew Siemer's article on DotNetSlackers. Mover: Mover makes it easier for developers to create programmatic animations in Silverlight. It provides an expressive API to the platform's underlying S...MVC Presenter: ASP.NET MVC 2で作るプレゼンビューアーnHibernate Attribute mapping: How to use Attibute mapping with a ManyToMany Relationship with nHibernateNIPO Data Processing Component Framework: NIPO is a general purpose component framework for data processing applications (that follow the IPO-principle). Its plugin-based architecture makes...PowerShell Remote File Explorer: This project intends to develop a Windows forms based file explorer to browse/transfer files over PowerShell 2.0 remoting channel. The file transfe...Process Flow Tracking of Biomass Distribution Project (University of Mumbai): At Larsen & Toubro Infotech India Ltd., my team worked on a SCM (Supply Chain Management) based project titled 'Process Flow Tracking of Biomass Di...VS2010 Rc1 Fix: Illustrates a fix for working with the ASAP.NET Wizard control with VS2010 RC1Yicker: a microblog program devolep by c#.New ReleasesADO.Net DataSets to ExtJs.data.Store: Ext.net: This is the first version of Ext.net. This version contains a single class, Ext.net.Store which extends the Ext.data.Store class to consume ADO.Ne...AMP.Net Wrapper: AMP.Net v1.0: Provides abstraction for all the product search functionality offered by AMP.ArkSwitch: ArkSwitch legacy versions: Old versions - no need to download themArkSwitch: ArkSwitch v1.1.0: ArkSwitch v1.1.0Braintree Client Library: Braintree 1.0.0: Braintree .NET client library 1.0.0Business Framework: BusinessFramework preview: Early preview bits. See Rules for a sample.Business Framework: Samples: SamplesCC.Votd: CC.Votd 1.0.10.224: This is the initial release of CC.Votd. Marking as beta since I'm the only one who has used it up to this point.ChoServiceHost: ChoServiceHost.msi: Easy way to develop Windows Service applications in .NET 3.5/VS.NET 2008. (Installer)ChoServiceHost: ChoServiceHost-Src.zip: Easy way to develop Windows Service applications in .NET 3.5/VS.NET 2008. (Source Files)CHS Extranet: Beta 2.4: Beta 2.4 Release: Change Log: Added HTML preview options for XLS, XLSX, DOCX File Changes: ~/MyComputer.aspx ~/mycomputer.css ~/basestyle.css...Composure: AvalonDock-55751-VS2010.NET4: This is a "convenience build" of AvalonDock (drop 55751) for VIsual Studio 2010 and .NET 4.0. Nothing has been altered in the source code (which ...Data Access Component: Version 2.6: Add LINQ support.Desktop Google Reader: 1.3 Beta 1: New features: Read it Later included (see http://readitlaterlist.com/) Liking added (working: see number of liking users, see if liking yourself,...Explorer Plus: Explorer Plus v0.3: Amazon Locales AddedFree Silverlight & WPF Chart Control - Visifire: Visifire SL and WPF Charts 3.0.3 Released: Hi, Today we have released the final version of Visifire v3.0.3 which contains the following major features: * DataBinding. * IndicatorEn...Generic web part for hosting Silverlight content on SharePoint sites (WSS,MOSS): CTP: The objective of this release was to gather feedback from the wider community. I intend to pursue further development and make fixes wherever appro...HTML Forms in Windows Forms: HTMLForms 1.0: First Release.imgur uploader - .net open source uploader for image sharing site imgur: Release 2010-02-23-01: This is the first codeplex release! Let mayhem commence...Jeremi Stadler: Stick Tops 2.5: Sticktops is a very light program that makes it easy to paste stuff on small notes on the screen. All notes you have is saved on a server so you ca...kuuy static system: kss_v1.0beta sql: kss_v1.0beta sql scripts sourceMDownloader: MDownloader-0.15.2.55998: Fixed detecting uploading.com dead links; Added hiding rss entries without files;Mover: MoverLib for Silverlight 3: A first version of MoverLib for Silverlight 3.nHibernate Attribute mapping: 1.0: Source CodenHibernate Attribute mapping: Download 1: Zip fileNodeXL: Network Overview, Discovery and Exploration for Excel: NodeXL Class Libraries, version 1.0.1.113: The NodeXL class libraries can be used to display network graphs in .NET applications. To include a NodeXL network graph in a WPF desktop or Windo...NodeXL: Network Overview, Discovery and Exploration for Excel: NodeXL Excel 2007 Template, version 1.0.1.113: The NodeXL Excel 2007 template displays a network graph using edge and vertex lists stored in an Excel 2007 workbook. What's NewThis version inclu...OAuthLib: OAuthLib (1.6.0.0): Difference between previous version is as next. 7079 Make it possible to pass factory method of request in ObtainUnauthorizedRequestToken and Reque...patterns & practices SharePoint Guidance: SPG2010 Drop 5: SharePoint Guidance Drop Notes Microsoft patterns and practices ****************************************** ***************************************...PowerShell Remote File Explorer: PSRemoteExplorer 0.1: This release is the initial release of PowerShell remote file explorer. This enables the basic functionality of a remote file explorer. This also p...Reusable Library: v1.0.3: A collection of reusable abstractions for enterprise application developer.SharePoint Outlook Connector: Version 1.0.2.4: Version 1.0.2.4 Minor bugs have been fixed.Silverlight Server File Manager: First production release: This release is in production. Release on change set 37268.SIMD Detector: 2nd Release: Released C/CLI assembly project for use in CSharp and VB. Tested in CSharp console application. A Windows Form application coming soon. Projects ma...Source Analysis Policy: Source Analysis Policy v1.1 SP1: This release contains the compiled, and signed binaries in an installation package. This package also registers the policy with Microsoft Visual St...SpecExpress : A Fluent Validation Framework: SpecExpress 1.1: UpdatesAdded Validation Contexts feature Fixed bug with handling for Bool Types and Required MessageStore now allows for overriding individual ...VCC: Latest build, v2.1.30223.0: Automatic drop of latest buildVS2010 Rc1 Fix: RC1Fix01: This is a very simple project implementing a Microsoft Walkthrough at http://msdn.microsoft.com/en-us/library/wdb4eb30%28VS.100%29.aspx and the man...WPF AutoComplete TextBox Control: version 1.0: Initial releaseMost Popular ProjectsASP.NET Ajax LibraryManaged Extensibility FrameworkAccelerators for Microsoft Dynamics CRMWindows 7 USB/DVD Download ToolDotNetZip LibraryMDownloaderVirtual Router - Wifi Hot Spot for Windows 7 / 2008 R2MFCMAPIDroid ExplorerUseful Sharepoint Designer Custom Workflow ActivitiesMost Active ProjectsDinnerNow.netRawrBlogEngine.NETInfoServiceNB_Store - Free DotNetNuke Ecommerce Catalog ModuleRapid Entity Framework. (ORM). CTP 2SharpMap - Geospatial Application Framework for the CLRjQuery Library for SharePoint Web Servicespatterns & practices – Enterprise LibraryXcoordination Application Space

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