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• org.apache.jasper.JasperException .... Unterminated &lt;%@ page tag

  - by Ankur

  I get org.apache.jasper.JasperException: /index.jsp(2,1) Unterminated <%@ page tag The page tags look like this: <%@ page import="java.util.*" %> <%@ page import="au.edu.uwa.peb.autoextractor.model.ScanResultItem"; %> This seems to indicate to me that a < does not have a corresponding tag ... is this so ... my IDE does not highlight any errors so how can I find this unterminated tag. Is there a JSP validation tool that I can use, perhaps online? The stack trace looks like this: org.apache.jasper.compiler.DefaultErrorHandler.jspError(DefaultErrorHandler.java:40) org.apache.jasper.compiler.ErrorDispatcher.dispatch(ErrorDispatcher.java:407) org.apache.jasper.compiler.ErrorDispatcher.jspError(ErrorDispatcher.java:132) org.apache.jasper.compiler.Parser.parseDirective(Parser.java:520) org.apache.jasper.compiler.Parser.parseTagFileDirectives(Parser.java:1784) org.apache.jasper.compiler.Parser.parse(Parser.java:127) org.apache.jasper.compiler.ParserController.doParse(ParserController.java:255) org.apache.jasper.compiler.ParserController.parseDirectives(ParserController.java:120) org.apache.jasper.compiler.Compiler.generateJava(Compiler.java:165) org.apache.jasper.compiler.Compiler.compile(Compiler.java:332) org.apache.jasper.compiler.Compiler.compile(Compiler.java:312) org.apache.jasper.compiler.Compiler.compile(Compiler.java:299) org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:586) org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:317) org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:342) org.apache.jasper.servlet.JspServlet.service(JspServlet.java:267) javax.servlet.http.HttpServlet.service(HttpServlet.java:717)

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• How to get principal name from HTTPRequest in CXF JAX-RS webservice method called from android app.

  - by johnrock

  How can I get the principal name, session and ideally check if the principal is authenticated with the Spring Security context inside a CXF JAX-RS webservice method receiving a call from an Android client? This is the code I am currently working with. I have commented where and what I am trying to get. Android code to call webservice: httpclient.getCredentialsProvider().setCredentials( new AuthScope("192.168.1.101", 80), new UsernamePasswordCredentials("joesmith", "mypasswd")); HttpGet httpget = new HttpGet(WEBSERVICE_URL+"/makePayload"); httpget.setHeader("User-Agent", userAgent); httpget.setHeader("Content-Type", "application/xml"); HttpResponse response; try { response = httpclient.execute(httpget); HttpEntity entity = response.getEntity(); ... parse xml from response } CXF, Spring webservice code: @GET @Path("/getPayload") @Produces("application/XML") public Response makePayload(@Context Request request){ //Get user principal name //Get session? //Get Spring security context? Payload payload = new Payload(); payload.setUsersOnline(new Long(200)); return Response.ok().entity(payload).build(); }

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• Keyword to SQL search

  - by jdelator

  Use Case When a user goes to my website, they will be confronted with a search box much like SO. They can search for results using plan text. ".net questions", "closed questions", ".net and java", etc.. The search will function a bit different that SO, in that it will try to as much as possible of the schema of the database rather than a straight fulltext search. So ".net questions" will only search for .net questions as opposed to .net answers (probably not applicable to SO case, just an example here), "closed questions" will return questions that are closed, ".net and java" questions will return questions that relate to .net and java and nothing else. Problem I'm not too familiar with the words but I basically want to do a keyword to SQL driven search. I know the schema of the database and I also can datamine the database. I want to know any current approaches there that existing out already before I try to implement this. I guess this question is for what is a good design for the stated problem. Proposed My proposed solution so far looks something like this Clean the input. Just remove any special characters Parse the input into chunks of data. Break an input of "c# java" into c# and java Also handle the special cases like "'c# java' questions" into 'c# java' and "questions". Build a tree out of the input Bind the data into metadata. So convert stuff like closed questions and relate it to the isclosed column of a table. Convert the tree into a sql query. Thoughts/suggestions/links?

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• findViewById returns null for EditText

  - by jayesh

  public class MainActivity extends Activity { private EditText editText; /** Called when the activity is first created. */ @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); editText = (EditText) findViewById(R.id.etext); if(editText == null) { Log.v("editText", "booohooo"); } else { Log.v("editText", "Success"); } final Button button = (Button) findViewById(R.id.gobutton); button.setOnClickListener(new View.OnClickListener() { public void onClick(View v) { if(editText != null) { Log.v("editText", "is not NULL"); } else { Log.v("editText", "is NULL :("); } // Perform action on click if(editText != null) { editText.getText(); } else { Log.v("editText", "is NULL"); } Log.v("url", editText.getText().toString().trim()); Intent browserIntent = new Intent(Intent.ACTION_VIEW, Uri.parse(editText.getText().toString().trim())); startActivity(browserIntent); } }); } } <?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:orientation="vertical" android:layout_width="fill_parent" android:layout_height="fill_parent" > <TextView android_id="@+id/websiteurlheading" android:layout_width="fill_parent" android:layout_height="wrap_content" android:text="Enter web site URL" /> <EditText android_id="@+id/etext" android:layout_width="fill_parent" android:layout_height="wrap_content" android:layout_below="@id/websiteurlheading" /> <Button android:id="@+id/gobutton" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="Enter" /> </LinearLayout> Any help is appreciated.

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• using javascript onchange to fill a calendar

  - by scatman

  i have a calendar and a textbox in my c# asp.net application. when a user enters a date in the textbox, the selected date in the calendar should become the date entered in the text box. the hard part is that i need to do this in javascript. what i have now is this: <asp:TextBox ID="txtDate" runat="server" onchange="javascript: Changed( this );" /> <asp:Calendar ID="calDate" runat="server" /> <script type="text/javascript"> var calendarID = ''; function Changed(textControl) { var date = Date.parse(textControl.value); //this is giving me the date in seconds var cal = document.getElementById(calendarID); } </script> and i am setting calendarID in this way: <script type="text/javascript"> calendarID = "<%=calDate.ClientID%>"; </script> there is no cal.selectedDate or anything like this... any help?

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• PHP FCKeditor skin path problem?

  - by TaG

  I can't seem to change the skin path using the FCKConfig.SkinPath = FCKConfig.BasePath + 'skins/silver/' ; form the http://docs.cksource.com/FCKeditor_2.x/Developers_Guide/Configuration/Configuration_Options/SkinPath tutorial. I get the following error listed below. How do I fix this? Parse error: syntax error, unexpected '=' Here is the FCKeditor PHP code below. <?php $oFCKeditor = new FCKeditor('FCKeditor1') ; $oFCKeditor->BasePath = '../../fckeditor/' ; $oFCKeditor->Value = '<p>This is some <strong>sample text</strong>. You are using <a href="http://www.fckeditor.net/">FCKeditor</a>.</p>' ; $oFCKeditor->Create() ; ?> Here is the FCKeditor with the skin code. <?php $oFCKeditor = new FCKeditor('FCKeditor1') ; $oFCKeditor->BasePath = '../../fckeditor/' ; FCKConfig.SkinPath = FCKConfig.BasePath + 'skins/silver/' ; $oFCKeditor->Value = '<p>This is some <strong>sample text</strong>. You are using <a href="http://www.fckeditor.net/">FCKeditor</a>.</p>' ; $oFCKeditor->Create() ; ?> Line 5 is giving me the problem.

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• Looking for a smarter way to convert a Python list to a GList?

  - by Kingdom of Fish

  I'm really new to C - Python interaction and am currently writing a small app in C which will read a file (using Python to parse it) and then using the parsed information to execute small Python snippets. At the moment I'm feeling very much like I'm reinventing wheels, for example this function: typedef gpointer (list_func)(PyObject *obj); GList *pylist_to_glist(list_func func, PyObject *pylist) { GList *result = NULL; if (func == NULL) { fprintf(stderr, "No function definied for coverting PyObject.\n"); } else if (PyList_Check(pylist)) { PyObject *pIter = PyObject_GetIter(pylist); PyObject *pItem; while ((pItem = PyIter_Next(pIter))) { gpointer obj = func(pItem); if (obj != NULL) result = g_list_append(result, obj); else fprintf(stderr, "Could not convert PyObject to C object.\n"); Py_DECREF(pItem); } Py_DECREF(pIter); } return result; } I would really like to do this in a easier/smarter way less prone to memory leaks and errors. All comments and suggestions are appreciated.

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• I set up better-edit-in-place but still cannot edit in place in Rails

  - by Angela

  I installed the plugin better-edit-in-place (http://github.com/nakajima/better-edit-in-place) but I dont' seem to be able to make it work. When I use firebug, it is rendering the value to be edited correctly: <span rel="/emails/1" id="email_1_days" class="editable">7</span> And it is showing the full javascript which should work on class editable: var Editable = Class.create({ 5 initialize: function(element, options) { 6 this.element = $(element); 7 Object.extend(this, options); 8 9 // Set default values for options 10 this.editField = this.editField || {}; 11 this.editField.type = this.editField.type || 'input'; 12 this.onLoading = this.onLoading || Prototype.emptyFunction; 13 this.onComplete = this.onComplete || Prototype.emptyFunction; 14 15 this.field = this.parseField(); 16 this.value = this.element.innerHTML; 17 18 this.setupForm(); 19 this.setupBehaviors(); 20 }, 21 22 // In order to parse the field correctly, it's necessary that the element 23 // you want to edit in place for have an id of (model_name)_(id)_(field_name). 24 // For example, if you want to edit the "caption" field in a "Photo" model, 25 // your id should be something like "photo_#{@photo.id}_caption". 26 // If you want to edit the "comment_body" field in a "MemberBlogPost" model, 27 // it would be: "member_blog_post_#{@member_blog_post.id}_comment_body" 28 parseField: function() { 29 var matches = this.element.id.match(/(.*)_\d*_(.*)/); 30 this.modelName = matches[1]; 31 this.fieldName = matches[2]; 32 if (this.editField.foreignKey) this.fieldName += '_id'; 33 return this.modelName + '[' + this.fieldName + ']'; 34 }, But when I point my mouse at the element, no in-place-editing action!

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• jQuery: Traversing AJAX response in Chrome/Safari

  - by jitzo

  I'm trying to traverse an AJAX response, which contains a remote web page (an HTML output). My goal is to iterate through the 'script', 'link', and 'title' elements of the remote page - load them if necessary, and embed its contents to the current page. Its working great in FF/IE, but for some reason - Chrome & Safari behaves differently: When I run a .each() loop on the response, Chrome/Safari seems to omit everything that is under the section of the page. Here's my current code: $.ajax({ url: 'remoteFile.php', cache: false, dataFilter: function(data) { console.log(data); /* The output seems to contain the entire response, including the <head> section - on all browsers, including Chrome/Safari */ $(data).filter("link, script, title").each(function(i) { console.log($(this)); /* IE/FF outputs all of the link/script/title elements, Chrome will output only those that are not in the <head> section */ }); console.log($(data)); /* This also outputs the incomplete structure on Chrome/Safari */ return data; }, success: function(response) {} }); I've been struggling with this problem for quite a while now, i've found some other similar cases on google searches, but no real solution. This happens on both jQuery 1.4.2, and jQuery 1.3.2. I really don't want to parse the response with .indexOf() and .substring() - it seems to me that it will be an overkill for the client. Many thanks in advance!

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• Exception loading CustomMeta from Tridion Broker Service (2009 SP1)

  - by Rob Stevenson-Leggett

  I am trying to load some Custom Meta from a component which is published into the Tridion Broker. This is 2009 SP1 I can see the component in the Custom_Meta table with a query like: SELECT * FROM [Tridion_Broker].[dbo].[CUSTOM_META] WHERE ITEM_ID = 204221 However using the below code, I get a Java Runtime exception. string queryStringId = HttpUtility.UrlDecode(Request.QueryString["component_uri"]); string pageId = ((BasePage) Page).PageTcmId; int publicationId = int.Parse(pageId.Split(':')[1].Split('-')[0]); using (var cmf = new ComponentMetaFactory(publicationId)) { IComponentMeta cm = cmf.GetMeta(queryStringId); if(cm != null) { VideoId = cm.CustomMeta.GetValue("video_url").ToString(); } else { litMessage.Visible = true; } } Stack trace: [RuntimeException] Codemesh.JuggerNET.NTypeValue.Throw(Int64 inst) +351 Codemesh.JuggerNET.JavaClass.ThrowTypedException(Int64 inst) +1278 Codemesh.JuggerNET.JavaMethod.CallObject(JavaProxy jpo, JavaMethodArguments args) +551 Codemesh.JuggerNET.JavaMethod.CallObject(JavaProxy jpo, Type declaredType, Boolean bLeaf, JavaMethodArguments jargs) +50 Com.Tridion.Meta.ComponentMetaFactory.GetMeta(Int32 componentId) +118 Tridion.ContentDelivery.Meta.ComponentMetaFactory.GetMeta(Int32 componentId) +16 ASP._controls_video_ascx.Page_Load(Object sender, EventArgs args) in c:\Inetpub\wwwroot\borland\us\_controls\Video.ascx:18 System.Web.Util.CalliHelper.EventArgFunctionCaller(IntPtr fp, Object o, Object t, EventArgs e) +14 System.Web.Util.CalliEventHandlerDelegateProxy.Callback(Object sender, EventArgs e) +35 System.Web.UI.Control.OnLoad(EventArgs e) +99 System.Web.UI.Control.LoadRecursive() +50 System.Web.UI.Control.LoadRecursive() +141 System.Web.UI.Control.LoadRecursive() +141 System.Web.UI.Control.LoadRecursive() +141 System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +627

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• Getting values from DataGridView back to XDocument (using LINQ-to-XML)

  - by Pretzel

  Learning LINQ has been a lot of fun so far, but despite reading a couple books and a bunch of online resources on the topic, I still feel like a total n00b. Recently, I just learned that if my query returns an Anonymous type, the DataGridView I'm populating will be ReadOnly (because, apparently Anonymous types are ReadOnly.) Right now, I'm trying to figure out the easiest way to: Get a subset of data from an XML file into a DataGridView, Allow the user to edit said data, Stick the changed data back into the XML file. So far I have Steps 1 and 2 figured out: public class Container { public string Id { get; set; } public string Barcode { get; set; } public float Quantity { get; set; } } // For use with the Distinct() operator public class ContainerComparer : IEqualityComparer<Container> { public bool Equals(Container x, Container y) { return x.Id == y.Id; } public int GetHashCode(Container obj) { return obj.Id.GetHashCode(); } } var barcodes = (from src in xmldoc.Descendants("Container") where src.Descendants().Count() > 0 select new Container { Id = (string)src.Element("Id"), Barcode = (string)src.Element("Barcode"), Quantity = float.Parse((string)src.Element("Quantity").Attribute("value")) }).Distinct(new ContainerComparer()); dataGridView1.DataSource = barcodes.ToList(); This works great at getting the data I want from the XML into the DataGridView so that the user has a way to manipulate the values. Upon doing a Step-thru trace of my code, I'm finding that the changes to the values made in DataGridView are not bound to the XDocument object and as such, do not propagate back. How do we take care of Step 3? (getting the data back to the XML) Is it possible to Bind the XML directly to the DataGridView? Or do I have to write another LINQ statement to get the data from the DGV back to the XDocument? Suggstions?

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• NSXMLParser & memory leaks

  - by HBR

  Hi, I am parsing an XML file using a custom class that instanciates & uses NSXMLParser. On the first call everything is fine but on the second, third and later calls Instruments show tens of memory leaks on certain lines inside didEndElement, didEndElement and foundCharacters functions. I googled it and found some people having this issue, but I didn't find anything that could really help me. My Parser class looks like this : Parser.h @interface XMLParser : NSObject { NSMutableArray *data; NSMutableString *currentValue; NSArray *xml; NSMutableArray *videos; NSMutableArray *photos; NSXMLParser *parser; NSURLConnection *feedConnection; NSMutableData *downloadedData; Content *content; Video *video; BOOL nowPhoto; BOOL nowVideo; BOOL finished; BOOL webTV; } -(void)parseXML:(NSURL*)xmlURL; -(int)getCount; -(NSArray*)getData; //- (void)handleError:(NSError *)error; //@property(nonatomic, retain) NSMutableString *currentValue; @property(nonatomic, retain) NSURLConnection *feedConnection; @property(nonatomic, retain) NSMutableData *downloadedData; @property(nonatomic, retain) NSArray *xml; @property(nonatomic, retain) NSXMLParser *parser; @property(nonatomic, retain) NSMutableArray *data; @property(nonatomic, retain) NSMutableArray *photos; @property(nonatomic, retain) NSMutableArray *videos; @property(nonatomic, retain) Content *content; @property(nonatomic, retain) Video *video; @property(nonatomic) BOOL finished; @property(nonatomic) BOOL nowPhoto; @property(nonatomic) BOOL nowVideo; @property(nonatomic) BOOL webTV; @end Parser.m #import "Content.h" #import "Video.h" #import "Parser.h" #import <CFNetwork/CFNetwork.h> @implementation XMLParser @synthesize xml, parser, finished, nowPhoto, nowVideo, webTV; @synthesize feedConnection, downloadedData, data, content, photos, videos, video; -(void)parseXML:(NSURL*)xmlURL { /* NSURLRequest *req = [NSURLRequest requestWithURL:xmlURL]; self.feedConnection = [[[NSURLConnection alloc] initWithRequest:req delegate:self] autorelease]; [UIApplication sharedApplication].networkActivityIndicatorVisible = YES; */ [[NSURLCache sharedURLCache] setMemoryCapacity:0]; [[NSURLCache sharedURLCache] setDiskCapacity:0]; NSXMLParser *feedParser = [[NSXMLParser alloc] initWithContentsOfURL:xmlURL]; //NSXMLParser *feedParser = [[NSXMLParser alloc] initWithData:theXML]; [self setParser:feedParser]; [feedParser release]; [[self parser] setDelegate:self]; [[self parser] setShouldResolveExternalEntities:YES]; [[self parser] parse]; } - (void)parser:(NSXMLParser *)parser didStartElement:(NSString *)elementName namespaceURI:(NSString *)namespaceURI qualifiedName:(NSString *)qualifiedName attributes:(NSDictionary *)attributeDict { if ([elementName isEqualToString:@"articles"]) { self.finished = NO; self.nowPhoto = NO; self.nowVideo = NO; self.webTV = NO; if (!data) { NSMutableArray *tmp = [[NSMutableArray alloc] init]; [self setData:tmp]; [tmp release]; return ; } } if ([elementName isEqualToString:@"WebTV"]) { self.finished = NO; self.nowPhoto = NO; self.nowVideo = NO; self.webTV = YES; if (!data) { NSMutableArray *tmp = [[NSMutableArray alloc] init]; [self setData:tmp]; [tmp release]; return ; } } if ([elementName isEqualToString:@"photos"]) { if (!photos) { NSMutableArray *tmp = [[NSMutableArray alloc] init]; [self setPhotos:tmp]; [tmp release]; return; } } if ([elementName isEqualToString:@"videos"]) { if (!videos) { NSMutableArray *tmp = [[NSMutableArray alloc] init]; [self setVideos:tmp]; [tmp release]; return; } } if ([elementName isEqualToString:@"photo"]) { self.nowPhoto = YES; self.nowVideo = NO; } if ([elementName isEqualToString:@"video"]) { self.nowPhoto = NO; self.nowVideo = YES; } if ([elementName isEqualToString:@"WebTVItem"]) { if (!video) { Video *tmp = [[Video alloc] init]; [self setVideo:tmp]; [tmp release]; } NSString *videoId = [attributeDict objectForKey:@"id"]; [[self video] setVideoId:[videoId intValue]]; } if ([elementName isEqualToString:@"article"]) { if (!content) { Content *tmp = [[Content alloc] init]; [self setContent:tmp]; [tmp release]; } NSString *contentId = [attributeDict objectForKey:@"id"]; [[self content] setContentId:[contentId intValue]]; return; } if ([elementName isEqualToString:@"category"]) { NSString *categoryId = [attributeDict objectForKey:@"id"]; NSString *parentId = [attributeDict objectForKey:@"parent"]; [[self content] setCategoryId:[categoryId intValue]]; [[self content] setParentId:[parentId intValue]]; categoryId = nil; parentId = nil; return; } if ([elementName isEqualToString:@"vCategory"]) { NSString *categoryId = [attributeDict objectForKey:@"id"]; NSString *parentId = [attributeDict objectForKey:@"parent"]; [[self video] setCategoryId:[categoryId intValue]]; [[self video] setParentId:[parentId intValue]]; categoryId = nil; parentId = nil; return; } } - (void)parser:(NSXMLParser *)parser foundCharacters:(NSString *)string { if (!currentValue) { currentValue = [[NSMutableString alloc] initWithCapacity:1000]; } if (currentValue != @"\n") [currentValue appendString:string]; } - (void)parser:(NSXMLParser *)parser didEndElement:(NSString *)elementName namespaceURI:(NSString *)namespaceURI qualifiedName:(NSString *)qName { NSString *cleanValue = [currentValue stringByReplacingOccurrencesOfString:@"\n" withString:@""] ; if ([elementName isEqualToString:@"articles"]) { self.finished = YES; //[content release]; } if ([elementName isEqualToString:@"article"]) { [[self data] addObject:[self content]]; [self setContent:nil]; [self setPhotos:nil]; [self setVideos:nil]; /* [content release]; content = nil; [videos release]; videos = nil; [photos release]; photos = nil; */ } if ([elementName isEqualToString:@"WebTVItem"]) { [[self data] addObject:[self video]]; [self setVideo:nil]; //[video release]; //video = nil; } if ([elementName isEqualToString:@"title"]) { //NSLog(@"Tit: %@",cleanValue); [[self content] setTitle:cleanValue]; } if ([elementName isEqualToString:@"vTitle"]) { [[self video] setTitle:cleanValue]; } if ([elementName isEqualToString:@"link"]) { //NSURL *url = [[NSURL alloc] initWithString:cleanValue] ; [[self content] setUrl:[NSURL URLWithString:cleanValue]]; [[self content] setLink: cleanValue]; //[url release]; //url = nil; } if ([elementName isEqualToString:@"vLink"]) { [[self video] setLink:cleanValue]; [[self video] setUrl:[NSURL URLWithString:cleanValue]]; } if ([elementName isEqualToString:@"teaser"]) { NSString *tmp = [cleanValue stringByReplacingOccurrencesOfString:@"##BREAK##" withString:@"\n"]; [[self content] setTeaser:tmp]; tmp = nil; } if ([elementName isEqualToString:@"content"]) { NSString *tmp = [cleanValue stringByReplacingOccurrencesOfString:@"##BREAK##" withString:@"\n"]; [[self content] setContent:tmp]; tmp = nil; } if ([elementName isEqualToString:@"category"]) { [[self content] setCategory:cleanValue]; } if ([elementName isEqualToString:@"vCategory"]) { [[self video] setCategory:cleanValue]; } if ([elementName isEqualToString:@"date"]) { [[self content] setDate:cleanValue]; } if ([elementName isEqualToString:@"vDate"]) { [[self video] setDate:cleanValue]; } if ([elementName isEqualToString:@"thumbnail"]) { [[self content] setThumbnail:[NSURL URLWithString:cleanValue]]; [[self content] setThumbnailURL:cleanValue]; } if ([elementName isEqualToString:@"vThumbnail"]) { [[self video] setThumbnailURL:cleanValue]; [[self video] setThumbnail:[NSURL URLWithString:cleanValue]]; } if ([elementName isEqualToString:@"vDirectLink"]){ [[self video] setDirectLink: cleanValue]; } if ([elementName isEqualToString:@"preview"]){ [[self video] setPreview: cleanValue]; } if ([elementName isEqualToString:@"thumbnail_position"]){ [[self content] setThumbnailPosition: cleanValue]; } if ([elementName isEqualToString:@"url"]) { if (self.nowPhoto == YES) { [[self photos] addObject:cleanValue]; } else if (self.nowVideo == YES) { [[self videos] addObject:cleanValue]; } } if ([elementName isEqualToString:@"photos"]) { [[self content] setPhotos:[self photos]]; //[photos release]; //photos = nil; self.nowPhoto = NO; } if ([elementName isEqualToString:@"videos"]) { [[self content] setVideos:[self videos]]; //[videos release]; //videos = nil; self.nowVideo = NO; } //[cleanValue release]; //cleanValue = nil; [currentValue release]; currentValue = nil; } - (void)parser:(NSXMLParser *)parser parseErrorOccurred:(NSError *)parseError { UIAlertView *alert = [[UIAlertView alloc] initWithTitle:nil message:@"Error" delegate:self cancelButtonTitle:@"OK" otherButtonTitles:nil]; [alert show]; [alert release]; } -(NSArray*)getData { return data; } -(int)getCount { return [data count]; } - (void)dealloc { [parser release]; //[data release]; //[photos release]; //[videos release]; //[video release]; //[content release]; [currentValue release]; [super dealloc]; } @end Somewhere in my code, I create an instance of this class : XMLParser* feed = [[XMLParser alloc] init]; [self setRssParser:feed]; [feed release]; // Parse feed NSString *url = [NSString stringWithFormat:@"MyXMLURL"]; [[self rssParser] parseXML:[NSURL URLWithString:url]]; Now the problem is that after the first (which has zero leaks), instruments shows leaks in too many parts like this one (they are too much to enumerate them all, but all the calls look the same, I made the leaking line bold) : in didEndElement : if ([elementName isEqualToString:@"link"]) { // THIS LINE IS LEAKING => INSTRUMENTS SAYS IT IS A NSCFString LEAK [self content] setUrl:[NSURL URLWithString:cleanValue]]; [[self content] setLink: cleanValue]; } Any idea how to fix this pealse ? Could this be the same problem as the one mentioned (as an apple bug) by Lee Amtrong here :http://stackoverflow.com/questions/1598928/nsxmlparser-leaking

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• ASP.NET and VB.NET OleDbConnection Problem

  - by Matt

  I'm working on an ASP.NET website where I am using an asp:repeater with paging done through a VB.NET code-behind file. I'm having trouble with the database connection though. As far as I can tell, the paging is working, but I can't get the data to be certain. The database is a Microsoft Access database. The function that should be accessing the database is: Dim pagedData As New PagedDataSource Sub Page_Load(ByVal obj As Object, ByVal e As EventArgs) doPaging() End Sub Function getTheData() As DataTable Dim DS As New DataSet() Dim strConnect As New OleDbConnection("Provider = Microsoft.Jet.OLEDB.4.0;Data Source=App_Data/ArtDatabase.mdb") Dim objOleDBAdapter As New OleDbDataAdapter("SELECT ArtID, FileLocation, Title, UserName, ArtDate FROM Art ORDER BY Art.ArtDate DESC", strConnect) objOleDBAdapter.Fill(DS, "Art") Return DS.Tables("Art").Copy End Function Sub doPaging() pagedData.DataSource = getTheData().DefaultView pagedData.AllowPaging = True pagedData.PageSize = 2 Try pagedData.CurrentPageIndex = Int32.Parse(Request.QueryString("Page")).ToString() Catch ex As Exception pagedData.CurrentPageIndex = 0 End Try btnPrev.Visible = (Not pagedData.IsFirstPage) btnNext.Visible = (Not pagedData.IsLastPage) pageNumber.Text = (pagedData.CurrentPageIndex + 1) & " of " & pagedData.PageCount ArtRepeater.DataSource = pagedData ArtRepeater.DataBind() End Sub The ASP.NET is: <asp:Repeater ID="ArtRepeater" runat="server"> <HeaderTemplate> <h2>Items in Selected Category:</h2> </HeaderTemplate> <ItemTemplate> <li> <asp:HyperLink runat="server" ID="HyperLink" NavigateUrl='<%# Eval("ArtID", "ArtPiece.aspx?ArtID={0}") %>'> <img src="<%# Eval("FileLocation") %>" alt="<%# DataBinder.Eval(Container.DataItem, "Title") %>t"/> <br /> <%# DataBinder.Eval(Container.DataItem, "Title") %> </asp:HyperLink> </li> </ItemTemplate> </asp:Repeater>

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• Databinding problem in dropdownlist box by generics in C#

  - by sakir-ali

  I want to implement stack in my program by Genericx. I have a textbox and button to add elements in stack, a dropdownlist box and a button to bind total stack in dropdownlist box. I have generic class and the code is below: [Serializable] public class myGenClass<T> { private T[] _elements; private int _pointer; public myGenClass(int size) { _elements = new T[size]; _pointer = 0; } public void Push(T item) { if (_pointer > _elements.Length - 1) { throw new Exception("Stack is full"); } _elements[_pointer] = item; _pointer++; } public T Pop() { _pointer--; if (_pointer < 0) { throw new Exception("Stack is empty"); } return _elements[_pointer]; } public T[] myBind() { T[] showall = new T[_pointer]; Array.Copy(_elements,showall, _pointer); T[] newarray = showall; Array.Reverse(showall); return showall; } } and my .cs page is below: public partial class _Default : System.Web.UI.Page { myGenClass<int> mystack = new myGenClass<int>(25); protected void Button1_Click(object sender, EventArgs e) { mystack.Push(Int32.Parse(TextBox1.Text)); //DropDownList1.Items.Add(mystack.Pop().ToString()); TextBox1.Text = string.Empty; TextBox1.Focus(); } protected void Button2_Click(object sender, EventArgs e) { //string[] db; //db = Array.ConvertAll<int, string>(mystack.myBind(), Convert.ToString); DropDownList1.DataSource = mystack.myBind(); DropDownList1.DataBind(); } } but when I bind the datasource property of dropdownlist box to generic type return array (i.e. myBind()), it shows empty... Please help..

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• Playing video from URL -Android

  - by Rajeev

  In the following code what ami doing wrong the video dosnt seem to play here.Is that the permission issue if so what should be included in the manifest file this main.xml <?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="wrap_content" android:layout_height="wrap_content" android:orientation="horizontal" android:baselineAligned="true"> <LinearLayout android:layout_height="match_parent" android:layout_width="wrap_content" android:id="@+id/linearLayout2"></LinearLayout> <MediaController android:id="@+id/mediacnt" android:layout_width="wrap_content" android:layout_height="wrap_content"></MediaController> <LinearLayout android:layout_height="match_parent" android:layout_width="wrap_content" android:id="@+id/linearLayout1" android:orientation="vertical"></LinearLayout> <Gallery android:layout_height="wrap_content" android:id="@+id/gallery" android:layout_width="wrap_content" android:layout_weight="1"></Gallery> <VideoView android:layout_height="match_parent" android:id="@+id/vv" android:layout_width="wrap_content"></VideoView> </LinearLayout> this is java class package com.gallery; import java.net.URL; import android.app.Activity; import android.app.Activity; import android.net.Uri; import android.os.Bundle; import android.widget.MediaController; import android.widget.Toast; import android.widget.VideoView; public class GalleryActivity extends Activity { /** Called when the activity is first created. */ @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); Toast.makeText(GalleryActivity.this, "Hello world", Toast.LENGTH_LONG).show(); VideoView videoView = (VideoView) findViewById(R.id.vv); MediaController mediaController = new MediaController(this); mediaController.setAnchorView(videoView); // Set video link (mp4 format ) Uri video = Uri.parse("http://www.youtube.com/watch?v=lEbxLDuecHU&playnext=1&list=PL040F3034C69B1674"); videoView.setMediaController(mediaController); videoView.setVideoURI(video); videoView.start(); } }

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• Rails 3: Parsing XML

  - by gjb

  I have a simple XML document in the following format: <?xml version="1.0" encoding="utf-8"?> <object> <strField>Foo</strField> <intField>1</intField> <dateField>2010-11-03</dateField> <boolField>true</boolField> <nilField></nilField> </object> I would like to parse this into a Hash to be passed to Model.create: {:object => { :strField => 'Foo', :intField => 1, :dateField => Date.today, :boolField => true, :nilField => nil }} Sadly there are no "type" attributes in the XML, so using Hash.from_xml just parses each field as a string. What I am looking for is some sort of field type auto detection. I have also looked at Nokogiri, but that can't output as a Hash. What is the simplest and most efficient way to achieve this? Many thanks.

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• Extract wrong data from a frame in C?

  - by ipkiss

  I am writing a program that reads the data from the serial port on Linux. The data are sent by another device with the following frame format: |start | Command | Data | CRC | End | |0x02 | 0x41 | (0-127 octets) | | 0x03| ---------------------------------------------------- The Data field contains 127 octets as shown and octet 1,2 contains one type of data; octet 3,4 contains another data. I need to get these data. Because in C, one byte can only holds one character and in the start field of the frame, it is 0x02 which means STX which is 3 characters. So, in order to test my program, On the sender side, I construct an array as the frame formatted above like: char frame[254]; frame[0] = 0x02; // starting field frame[1] = 0x41; // command field which is character 'A' ..so on.. And, then On the receiver side, I take out the fields like: char result[254]; // read data read(result); printf("command = %c", result[1]); // get the command field of the frame // get other field's values the command field value (result[1]) is not character 'A'. I think, this because the first field value of the frame is 0x02 (STX) occupying 3 first places in the array frame and leading to the wrong results on the receiver side. How can I correct the issue or am I doing something wrong at the sender side? Thanks all. related questions: http://stackoverflow.com/questions/2500567/parse-and-read-data-frame-in-c http://stackoverflow.com/questions/2531779/clear-data-at-serial-port-in-linux-in-c

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• Trouble parsing quotes with SAX parser (javax.xml.parsers.SAXParser) on Android API 1.5

  - by johnrock

  When using a SAX parser, parsing fails when there is a " in the node content. How can I resolve this? Do I need to convert all " characters? In other words, anytime I have a quote in a node: <node>characters in node containing "quotes"</node> That node gets butchered into multiple character arrays when the Handler is parsing it. Is this normal behaviour? Why should quotes cause such a problem? Here is the code I am using: import javax.xml.parsers.SAXParser; import javax.xml.parsers.SAXParserFactory; import org.apache.http.HttpEntity; import org.apache.http.HttpResponse; import org.apache.http.client.methods.HttpGet; import org.xml.sax.InputSource; import org.xml.sax.XMLReader; ... HttpGet httpget = new HttpGet(GATEWAY_URL + "/"+ question.getId()); httpget.setHeader("User-Agent", PayloadService.userAgent); httpget.setHeader("Content-Type", "application/xml"); HttpResponse response = PayloadService.getHttpclient().execute(httpget); HttpEntity entity = response.getEntity(); if(entity != null) { SAXParserFactory spf = SAXParserFactory.newInstance(); SAXParser sp = spf.newSAXParser(); XMLReader xr = sp.getXMLReader(); ConvoHandler convoHandler = new ConvoHandler(); xr.setContentHandler(convoHandler); xr.parse(new InputSource(entity.getContent())); entity.consumeContent(); messageList = convoHandler.getMessageList(); }

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• Getting Visual Studio macros in console app

  - by Paul Steckler

  In a Visual Studio extension, you can get the default include paths for all projects with C# code like: String dirs = dte2.get_Properties("Projects", "VCDirectories"); where dte2 is the Visual Studio application object. Usually, those directories contain macros like $(INCLUDE). You can expand those macros by looking at dte2.Solution.Projects, finding the relevant project in that collection; from the project, look at project.Configurations, find the relevant configuration, and call its Evaluate method. In VS2005/VS2008, there's a .vssettings file that contains the VCDirectories. In VS2010, there's a property sheet with the same information. A console application can just parse those files -- great. But how can you expand the macros? As a first step, I tried instantiating a VCProjectEngine object in a console app, but that just resulted in a COM failure. So I don't know how to instantiate a VCProject object in order to follow the same strategy I used in a VS extension. Where are the macro bindings stored?

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• How do I detect if there is already a similar document stored in Lucene index.

  - by Jenea

  Hi. I need to exclude duplicates in my database. The problem is that duplicates are not considered exact match but rather similar documents. For this purpose I decided to use FuzzyQuery like follows: var fuzzyQuery = new global::Lucene.Net.Search.FuzzyQuery( new Term("text", queryText), 0.8f, 0); hits = _searcher.Search(query); The idea was to set the minimal similarity to 0.8 (that I think is high enough) so only similar documents will be found excluding those that are not sufficiently similar. To test this code I decided to see if it finds already existing document. To the variable queryText was assigned a value that is stored in the index. The code from above found nothing, in other words it doesn't detect even exact match. Index was build by this code: doc.Add(new global::Lucene.Net.Documents.Field( "text", text, global::Lucene.Net.Documents.Field.Store.YES, global::Lucene.Net.Documents.Field.Index.TOKENIZED, global::Lucene.Net.Documents.Field.TermVector.WITH_POSITIONS_OFFSETS)); I followed recomendations from bellow and the results are: TermQuery doesn't return any result. Query contructed with var _analyzer = new RussianAnalyzer(); var parser = new global::Lucene.Net.QueryParsers .QueryParser("text", _analyzer); var query = parser.Parse(queryText); var _searcher = new IndexSearcher (Settings.General.Default.LuceneIndexDirectoryPath); var hits = _searcher.Search(query); Returns several results with the maximum score the document that has exact match and other several documents that have similar content.

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• Params order in Foo.new(params[:foo]), need one before the other (Rails)

  - by Jeena

  I have a problem which I don't know how to fix. It has to do with the unsorted params hash. I have a object Reservation which has a virtual time= attribute and a virtual eating_session= attribute when I set the time= I also want to validate it via an external server request. I do that with help of the method times() which makes a lookup on a other server and saves all possible times in the @times variable. The problem now is that the method times() needs the eating_session attribute to find out which times are valid, but rails sometimes calls the times= method first, before there is any eating_session in the Reservation object when I just do @reservation = Reservation.new(params[:reservation]) class ReservationsController < ApplicationController def new @reservation = Reservation.new(params[:reservation]) # ... end end class Reservation < ActiveRecord::Base include SoapClient attr_accessor :date, :time belongs_to :eating_session def time=(time) @time = times.find { |t| t[:time] == time } end def times return @times if defined? @times @times = [] response = call_soap :search_availability { # eating_session is sometimes nil :session_id => eating_session.code, # <- HERE IS THE PROBLEM :dining_date => date } response[:result].each do |result| @times << { :time => "#{DateTime.parse(result[:time]).strftime("%H:%M")}", :correlation_data => result[:correlation_data] } end @times end end I have no idea how to fix this, any help is apriciated.

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• Filtering Wikipedia's XML dump: error on some accents

  - by streetpc

  I'm trying to index Wikpedia dumps. My SAX parser make Article objects for the XML with only the fields I care about, then send it to my ArticleSink, which produces Lucene Documents. I want to filter special/meta pages like those prefixed with Category: or Wikipedia:, so I made an array of those prefixes and test the title of each page against this array in my ArticleSink, using article.getTitle.startsWith(prefix). In English, everything works fine, I get a Lucene index with all the pages except for the matching prefixes. In French, the prefixes with no accent also work (i.e. filter the corresponding pages), some of the accented prefixes don't work at all (like Catégorie:), and some work most of the time but fail on some pages (like Wikipédia:) but I cannot see any difference between the corresponding lines (in less). I can't really inspect all the differences in the file because of its size (5 GB), but it looks like a correct UTF-8 XML. If I take a portion of the file using grep or head, the accents are correct (even on the incriminated pages, the <title>Catégorie:something</title> is correctly displayed by grep). On the other hand, when I rectreate a wiki XML by tail/head-cutting the original file, the same page (here Catégorie:Rock par ville) gets filtered in the small file, not in the original… Any idea ? Alternatives I tried: Getting the file (commented lines were tried wihtout success): FileInputStream fis = new FileInputStream(new File(xmlFileName)); //ReaderInputStream ris = ReaderInputStream.forceEncodingInputStream(fis, "UTF-8" ); //(custom function opening the stream, reading it as UFT-8 into a Reader and returning another byte stream) //InputSource is = new InputSource( fis ); is.setEncoding("UTF-8"); parser.parse(fis, handler); Filtered prefixes: ignoredPrefix = new String[] {"Catégorie:", "Modèle:", "Wikipédia:", "Cat\uFFFDgorie:", "Mod\uFFFDle:", "Wikip\uFFFDdia:", //invalid char "Catégorie:", "Modèle:", "Wikipédia:", // UTF-8 as ISO-8859-1 "Image:", "Portail:", "Fichier:", "Aide:", "Projet:"}; // those last always work

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• Limiting regex match

  - by DMIL

  Say I have this HTML fragment <td width="25%" style="text-align:right;" > <span style="font-family: Arial; font-size: 12px;"> <strong>Regular price:</strong></span> </td> <td width="25%" style="text-align:center;" > <span style="font-family: Arial; font-size: 12px;> <strong>11,100.00 USD</strong></span> </td> <td width="25%" style="text-align:right;" > <span style="font-family: Arial; font-size: 12px;"> <strong>Web price:</strong></span> </td> <td width="25%" style="text-align:center;" > <span style="font-family: Arial; font-size: 12px;> <strong>9,100.00 USD</strong></span> </td> How would I get the first amount (11,100.00) using regex? I tried /Regular price.+(\d[^\s]+)\sUSD/is but it's not working, it's returning '00'. Obviously I'm a newbie at regex and I'm hoping to get by without picking up a book. And I HAVE to use regex to parse this HTML because that particular site was designed by someone who doesn't know about classes or IDs.

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• Embedded SQL in OO languages like Java

  - by Steve De Caux

  One of the things that annoys me working with SQL in OO languages is having to define SQL statements in strings. When I used to work on IBM mainframes, the languages used an SQL preprocessor to parse SQL statements out of the native code, so the statements could be written in cleartext SQL without the obfuscation of strings, for instance in Cobol there is a EXEC SQL .... END-EXEC syntax construct that allows pure SQL statements to be embedded in the Cobol code. <pure cobol code, including assignment of value to local variable HOSTVARIABLE> EXEC SQL SELECT COL_A, COL_B, COL_C INTO :COLA, :COLB, :COLC FROM TAB_A WHERE COL_D = :HOSTVARIABLE END_EXEC <more cobol code, variables COLA, COLB, COLC have been set> ...this makes the SQL statement really easy to read & check for errors. Between the EXEC SQL .... END-EXEC tokens there are no constraints on indentation, linebreaking etc., so you can format the SQL statement according to taste. Note that this example is for a single-row select, when a multiple-row resultset is expected, the coding is different (but still v. easy to read). So, taking Java as an example What made the "old COBOL" approach undesirable ? Not only SQL, but system calls could be made much more readable with that approach. Let's call it the embedded foreign language preprocessor approach. Would an embedded foreign language preprocessor for SQL be useful to implement ? Would you see a benefit in being able to write native SQL statements inside java code ? Edit I'm really asking if you think SQL in OO languages is a throwback, and if not then what could be done to make it better.

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• SoundManager / Jquery : Get SoundID sID

  - by j-man86

  So I am trying to access a jquery soundmanager variable from one script (wpaudio.js – from the wp-audio plugin) inside of another (init.js – my own javascript). I am creating an alternate pause/play button higher up on the page and need to resume the current soundID, which is contained as part of a class name in the DOM. Here is the code that creates that class name in wpaudio.js: function wpaButtonCheck() { if (!this.playState || this.paused) jQuery('#' + this.sID + '_play').attr('src', wpa_url + '/wpa_play.png'); else jQuery('#' + this.sID + '_play').attr('src', wpa_url + '/wpa_pause.png'); } Here is the output: <img src="http://24.232.185.173/wordpress/wp-content/plugins/wpaudio-mp3-player/wpa_play.png" class="wpa_play" id="wpa0_play"> where wpa0 would be the sID of the sound I need. My current script in init.js is: $('.mixesSidebar #currentSong .playBtn').toggle(function() { soundManager.pauseAll(); $(this).addClass('paused'); }, function() { soundManager.resumeAll(); $(this).removeClass('paused'); }); I need to change resumeAll to "resume(this.sID)", but I need to somehow store the sID onclick and call it in the above function. Alternately, I think a regular expression that could get the class name of the current play button and either parse the string up to the "_play" or use a trim function to get rid of "_play"– but I'm not sure how to do this. Thanks for your help!

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