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  • Open source GIS tools

    - by TRV_SQL
    Hi I’ve been looking at Open Source GIS tools. In particular MapServer and GeoServer. The problem I’m seeing is that to actually deploy these to the public you can’t use a regular $5/ month (or free) hosting service because you have to install these services on the server in ways that are not accessible in the average hosting scheme. So you either have to use a host that has MapServer installed (many of which look unreliable) or have a dedicated server or VPS. All of these options have a significant cost barrier ($30 - $200/month). I’m just doing this for fun. Are there any free or inexpensive ways to have your GIS services hosted? Or are there any products that install in a way that you don’t need to access the root structure of the server? I have tried OpenLayers and GeoExt but I don’t think a client side option will work for me because of the size of the datasets I am using. My base data will be vector data not WMS data (or something similar). I haven’t tried Google maps yet, but I will be looking into it. Also, any thought on using SVG for GIS purposes? Thanks

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  • Problem using Flash Components in multiple SWC files

    - by Ken Dunnington
    [Edit: Short version - how do you properly handle namespace collisions in SWC files if one SWC has fewer classes from that namespace than another?] I have a rather large Flash application which I'm building in Flash Builder (because coding/debugging in the Flash IDE is... not good) and I've got a ton of external SWC files which I'm linking in to my application. This has worked well so far - the file size is on the large side, but it's a lot simpler than loading in SWFs, especially since I am extending most of the classes in each SWC and adding custom code that way (it's a very design-heavy app.) The problem I'm having is when I have Flash Components, like ComboBox or TextInput, in more than one SWC. Whichever SWC was compiled last will work fine, but the others will fail with errors like the following: TypeError: Error #1034: Type Coercion failed: cannot convert flash.display::MovieClip@1f21adc1 to fl.controls.TextInput. at flash.display::Sprite/constructChildren() at flash.display::Sprite() at flash.display::MovieClip() at com.company.design.login::LoginForm() at com.company.view::Login()[/Users/ken/Workspace/src/com/company/view/Login.as:22] at com.company.view::Main/showLogin()[/Users/ken/Workspace/src/com/company/view/Main.as:209] at flash.events::EventDispatcher/dispatchEventFunction() at flash.events::EventDispatcher/dispatchEvent() at com.company.view::Navigation/handleUIClick()[/Users/ken/Workspace/src/com/company/view/Navigation.as:88] I've been researching components, ComponentShim, etc. but I'm running up against a brick wall. I thought it might be the fact that some of the components had their skins modified in the source FLA, so I tried replacing them with the default skins, but that didn't seem to help. How can I ensure that I have the components imported and available to all my classes, yet still be able to skin them and include them in my various FLAs? (I am never creating new instances of them, they are all laid out by my designer.)

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  • jQuery - .Ready fires on div tag not in the page

    - by Anders Juul
    Dear all, I have implemented below function in a separate .js script file which I load in my main page (Asp.net mvc). The call back to server is rather costly but ok if specifically requested on the sub-page / content page on which my div tag needs to be filled. My problem is that the code runs on every page, including pages where the div tag is not present. How can I remedy my code? Any comments welcome, Thanks, Anders, Denmark jQuery("divStatWrapper").ready(function() { jQuery.getJSON("/Statistics/GetPointsDevelopment", function(json) { jQuery("#divStatWrapper #divStatLoading").fadeOut(1000); var jsonPoints = new Array(); jQuery.each(json.Points, function(i, item) { jsonPoints.push(item.PlayerPoints ); }); jsonPoints.reverse(); var api = new jGCharts.Api(); jQuery('<img>') .attr('src', api.make({ data : jsonPoints, type : "lc", size : "600x250" })) .appendTo("#divStatContents"); jQuery("#divStatWrapper #divStatContents").fadeIn(1000); }); });

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  • facebook connect: thumbnail images broken up in FB.Connect.streamPublish pop-up prompt, and on wall

    - by Hoff
    hi there! I'm using facebook connect so that users can publish comments they are leaving on my site on their facebook wall as well. It works as intended, except that in the confirmation pop up, the thumbnail image i provide is broken. Looking at the source, I can see that facebook prepended my image url like this: from: http://www.mysite.com/path/to/my/image.jpg to: http://platform.ak.fbcdn.net/www/app_full_proxy.php?app=303377111175&v=1&size=z&cksum=41a391c9f3a6f3dde2ede9892763c943&src=http%3A%2F%2Fwww.mysite.com%2Fpath%2Fto%2Fmy%2image.jpg The image on the facebook user's wall has the same prepended url, and is also broken for a couple of minutes, after which it's showing up correctly. But obviously, having a broken image in the confirmation window and on your wall for a couple of minutes is not a good experience... Has anybody experienced the same / knows how to work around this issue? Thanks a lot in advance! Martin PS: here's the part of the js call, if it's of any use... attachment = { 'media': [{ 'type': 'image', 'src': 'http://www.mysite.com/path/to/my/image.jpg', 'href': 'http://www.mysite.com/the/current/page' }] }; FB.Connect.streamPublish(user_message, attachment, action_links, target_id, user_message_prompt, fbcallback, false, actor_id)

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  • Display a Photo Gallery using Asp.Net and SQL

    - by sweetcoder
    I have recently added photos to my SQL database and have displayed them on an *.aspx page using Asp:Image. The ImageUrl for this control stored in a separate *.aspx page. It works great for profile pictures. I have a new issue at hand. I need each user to be able to have their own photo gallery page. I want the photos to be stored in the sql database. Storing the photos is not difficult. The issue is displaying the photos. I want the photos to be stored in a thumbnail grid fashion, when the user clicks on the photo, it should bring up the photo on a separate page. What is the best way to do this. Obviously it is not to use Asp:Image. I am curious if I should use a Gridview. If so, how do I do that and should their be a thumbnail size stored in the database for this? Once the picture is click on how does the other page look so that it displays the correct image. I would think it is not correct to send the photoId through the url. Below is code from the page I use to display profile pictures. protected void Page_Load(object sender, EventArgs e) { string sql = "SELECT [ProfileImage] FROM [UserProfile] WHERE [UserId] = '" + User.Identity.Name.ToString() + "'"; string strCon = System.Web.Configuration.WebConfigurationManager.ConnectionStrings["SocialSiteConnectionString"].ConnectionString; SqlConnection conn = new SqlConnection(strCon); SqlCommand comm = new SqlCommand(sql, conn); conn.Open(); Response.ContentType = "image/jpeg"; Response.BinaryWrite((byte[])comm.ExecuteScalar()); conn.Close(); }

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  • JSON ParserError

    - by ashok
    Unexpected response from the api: (app/a437x7/generate/ff) :: 665: unexpected token at '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en"> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8" /> <title>We're sorry, but something went wrong (500)</title> <style type="text/css"> body { background-color: #fff; color: #666; text-align: center; font-family: arial, sans-serif; } div.dialog { width: 25em; padding: 0 4em; margin: 4em auto 0 auto; border: 1px solid #ccc; border-right-color: #999; border-bottom-color: #999; } h1 { font-size: 100%; color: #f00; line-height: 1.5em; } </style> </head> <body> <!-- This file lives in public/500.html --> <div class="dialog"> <h1>We're sorry, but something went wrong.</h1> <p>We've been notified about this issue and we'll take a look at it shortly.</p> </div> </body> </html> ' (JSON::ParserError)!No access! Please verify your OAuth access token and secret.

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  • Should I use OpenGL for chess with animations?

    - by fhucho
    At the moment I am experimenting with SurfaceView for my chess game with animations. I am getting only about 8 FPS in the emulator. I draw a chess board and 32 chess pieces and rotate everything (to see how smooth it is), I am using antialiasing. On the Droid I'm getting about 20FPS, so it's not very smooth. Is it possible to implement a game with very scarce and simple animations without having to use OpenGL? This is what I do every frame: // scale and rotate matrix.setScale(scale, scale); rotation += 3; matrix.postRotate(rotation, 152, 152); canvas = surfaceHolder.lockCanvas(); canvas.setDrawFilter(new PaintFlagsDrawFilter(0, Paint.FILTER_BITMAP_FLAG)); canvas.setMatrix(matrix); canvas.drawARGB(255, 255, 255, 255); // fill the canvas with white for (int i = 0; i < sprites.size(); i++) { sprites.get(i).draw(canvas); // draws chessboard and chess pieces }

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  • OutOfMemoryError: Java heap space error when start solr

    - by Hamid
    Hi I start indexing DB articles with solr, but after add about 58 million article (and about 113 GB size of disk) , i get below error message on tomcat log error Note1: i already set Init memory pool to 256MB, and Max memory pool:1400MB to tomcat server. Note2: I can post or search article but must wait over 3 min for get response. 8-apr-2010 14:27:07 org.apache.solr.common.SolrException log SEVERE: java.lang.OutOfMemoryError: Java heap space at org.apache.lucene.util.PriorityQueue.initialize(PriorityQueue.java:89) at org.apache.lucene.search.HitQueue.<init>(HitQueue.java:67) at org.apache.lucene.search.TopScoreDocCollector.<init>(TopScoreDocCollector.java:113) at org.apache.lucene.search.TopScoreDocCollector.<init>(TopScoreDocCollector.java:37) at org.apache.lucene.search.TopScoreDocCollector$InOrderTopScoreDocCollector.<init>(TopScoreDocCollector.java:42) at org.apache.lucene.search.TopScoreDocCollector$InOrderTopScoreDocCollector.<init>(TopScoreDocCollector.java:40) at org.apache.lucene.search.TopScoreDocCollector.create(TopScoreDocCollector.java:100) at org.apache.solr.search.SolrIndexSearcher.getDocListNC(SolrIndexSearcher.java:979) at org.apache.solr.search.SolrIndexSearcher.getDocListC(SolrIndexSearcher.java:884) at org.apache.solr.search.SolrIndexSearcher.search(SolrIndexSearcher.java:341) at org.apache.solr.handler.component.QueryComponent.process(QueryComponent.java:182) at org.apache.solr.handler.component.SearchHandler.handleRequestBody(SearchHandler.java:195) at org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:131) at org.apache.solr.core.SolrCore.execute(SolrCore.java:1316) at org.apache.solr.servlet.SolrDispatchFilter.execute(SolrDispatchFilter.java:338) at org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:241) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:293) at org.apache.coyote.http11.Http11AprProcessor.process(Http11AprProcessor.java:859) at org.apache.coyote.http11.Http11AprProtocol$Http11ConnectionHandler.process(Http11AprProtocol.java:574) at org.apache.tomcat.util.net.AprEndpoint$Worker.run(AprEndpoint.java:1527) at java.lang.Thread.run(Unknown Source) What's problem ? Have any suggestion ? Thanks in advanced

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  • Hibernate mapping one-to-many problem

    - by Xorty
    Hello, I am not very experienced with Hibernate and I am trying to create one-to-many mapping. Here are relevant tables: And here are my mapping files: <hibernate-mapping package="com.xorty.mailclient.server.domain"> <class name="Attachment" table="Attachment"> <id name="id"> <column name="idAttachment"></column> </id> <property name="filename"> <column name="name"></column> </property> <property name="blob"> <column name="file"></column> <type name="blob"></type> </property> <property name="mailId"> <column name="mail_idmail"></column> </property> </class> </hibernate-mapping> <hibernate-mapping> <class name="com.xorty.mailclient.server.domain.Mail" table="mail"> <id name="id" type="integer" column="idmail"></id> <property name="content"> <column name="body"></column> </property> <property name="ownerAddress"> <column name="account_address"></column> </property> <property name="title"> <column name="head"></column> </property> <set name="receivers" table="mail_has_contact" cascade="all"> <key column="mail_idmail"></key> <many-to-many column="contact_address" class="com.xorty.mailclient.client.domain.Contact"></many-to-many> </set> <list name="attachments" cascade="save-update, delete" inverse="true"> <key column="mail_idmail" not-null="true"/> <index column="fk_Attachment_mail1"></index> <one-to-many class="com.xorty.mailclient.server.domain.Attachment"/> </list> </class> </hibernate-mapping> In plain english, one mail has more attachments. When I try to do CRUD on mail without attachments, everyting works just fine. When I add some attachment to mail, I cannot perform any CRUD operation. I end up with following trace: org.hibernate.exception.ConstraintViolationException: Could not execute JDBC batch update at org.hibernate.exception.SQLStateConverter.convert(SQLStateConverter.java:96) at org.hibernate.exception.JDBCExceptionHelper.convert(JDBCExceptionHelper.java:66) at org.hibernate.jdbc.AbstractBatcher.executeBatch(AbstractBatcher.java:275) at org.hibernate.engine.ActionQueue.executeActions(ActionQueue.java:268) at org.hibernate.engine.ActionQueue.executeActions(ActionQueue.java:184) at org.hibernate.event.def.AbstractFlushingEventListener.performExecutions(AbstractFlushingEventListener.java:321) at org.hibernate.event.def.DefaultFlushEventListener.onFlush(DefaultFlushEventListener.java:51) at org.hibernate.impl.SessionImpl.flush(SessionImpl.java:1216) at org.hibernate.impl.SessionImpl.managedFlush(SessionImpl.java:383) at org.hibernate.transaction.JDBCTransaction.commit(JDBCTransaction.java:133) at domain.DatabaseTest.testPersistMailWithAttachment(DatabaseTest.java:355) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at junit.framework.TestCase.runTest(TestCase.java:168) at junit.framework.TestCase.runBare(TestCase.java:134) at junit.framework.TestResult$1.protect(TestResult.java:110) at junit.framework.TestResult.runProtected(TestResult.java:128) at junit.framework.TestResult.run(TestResult.java:113) at junit.framework.TestCase.run(TestCase.java:124) at junit.framework.TestSuite.runTest(TestSuite.java:232) at junit.framework.TestSuite.run(TestSuite.java:227) at org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:83) at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:49) at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:467) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:683) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:390) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:197) Caused by: java.sql.BatchUpdateException: Cannot add or update a child row: a foreign key constraint fails (`maildb`.`attachment`, CONSTRAINT `fk_Attachment_mail1` FOREIGN KEY (`mail_idmail`) REFERENCES `mail` (`idmail`) ON DELETE NO ACTION ON UPDATE NO ACTION) at com.mysql.jdbc.PreparedStatement.executeBatchSerially(PreparedStatement.java:1666) at com.mysql.jdbc.PreparedStatement.executeBatch(PreparedStatement.java:1082) at org.hibernate.jdbc.BatchingBatcher.doExecuteBatch(BatchingBatcher.java:70) at org.hibernate.jdbc.AbstractBatcher.executeBatch(AbstractBatcher.java:268) ... 27 more Thank you

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  • WPF ToolTip Style with dynamic LayoutTransform

    - by NoOne
    I have an app that scales it's UI and I want to scale the ToolTips with it. I have tried doing this: <Style TargetType="{x:Type ToolTip}"> <Setter Property="LayoutTransform" Value="{DynamicResource scaleTransf}"/> ... </Style> ...where scaleTransf is a resource that I change via code: Application.Current.Resources["scaleTransf"] = new ScaleTransform(...); Most of the ToolTips do get scaled in size but some of them that are created by C# code don't get scaled. I've checked and it seems that I don't set their Style or LayoutTransform by code, so I don't really understand what is going wrong... Moreover, I have the impression that the above XAML code worked fine a few days ago. :( Is there sth I can do to make it work all the time without setting the LayoutTransform in code-behind? EDIT : The ToolTips that don't change scale are the ones that have become visible before. EDIT2 : Extra code: <ScaleTransform x:Key="scaleTransf" ScaleX="1" ScaleY="1"/> I have also tried this: Application.Current.Resources.Remove("scaleTransf"); Application.Current.Resources.Add("scaleTransf", new ScaleTransform(val, val)); EDIT3 : My attempt to solve this using a DependencyProperty: In MainWindow.xaml.cs : public static readonly DependencyProperty TransformToApplyProperty = DependencyProperty.Register("TransformToApply", typeof(Transform), typeof(MainWindow)); public Transform TransformToApply { get { return (Transform)this.GetValue(TransformToApplyProperty); } } Somewhere in MainWindow, in response to a user input: this.SetValue(TransformToApplyProperty, new ScaleTransform(val, val)); XAML Style: <Style TargetType="{x:Type ToolTip}"> <Setter Property="LayoutTransform" Value="{Binding TransformToApply, ElementName=MainWindow}"/> ... Using this code, not a single one of the ToolTips seem to scale accordingly.

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  • PDFObject load event

    - by Priyank
    Hi. We are trying to load a pdf file in web browser using pdfobject javascript api. Currently the size of the pdf's that we are trying to display is close to 10MBs. This creates a long delay in displaying a PDF on web page; while the complete PDF gets downloaded. We need to remove this lag by achieving either of the alternatives: Show a progress bar until the PDF is actually displayed. We couldn't find an event which is triggered and can be used to find out if pdf is visible now. This lacking doesn't let us decide when to stop showing progress bar/spinner OR lazy load the PDF such that it gets displayed as soon as first page gets loaded. With that ateast user will have a visual indication as to something is happening. We couldn'find anything in pdf object that lets us do a lazy load. User alternative pdf rendering api; this is a low priority as we already have complete code in place; but in an event of first 2 alternatives not being met; we'd have to consider this option. So please feel free to suggest. Any other ideas as to how user interaction can be made more intuitive or pleasant; would be welcome. Cheers

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  • Hibernate: OutOfMemoryError persisting Blob when printing log message

    - by paul
    I have a Hibernate Entity: @Entity class Foo { //... @Lob public byte[] getBytes() { return bytes; } //.... } My VM is configured with a maximum heap size of 512 MB. When I try to persist an object which has a 75 MB large object, I get an OutOfMemoryError. The names of the methods in the stack trace (StringBuilder, ByteArrayBlobType.toLoggableString, pretty.Printer.toString) suggest that hibernate is trying to write a very large log message that contains my object. Am I correct about why hibernate is using so much memory? What is the simplest way to work around this problem? java.lang.OutOfMemoryError: Java heap space at java.lang.AbstractStringBuilder.<init>(AbstractStringBuilder.java:44) at java.lang.StringBuilder.<init>(StringBuilder.java:81) at org.hibernate.type.ByteArrayBlobType.toString(ByteArrayBlobType.java:117) at org.hibernate.type.ByteArrayBlobType.toLoggableString(ByteArrayBlobType.java:127) at org.hibernate.pretty.Printer.toString(Printer.java:53) at org.hibernate.pretty.Printer.toString(Printer.java:90) at org.hibernate.event.def.AbstractFlushingEventListener.flushEverythingToExecutions(AbstractFlushingEventListener.java:97) at org.hibernate.event.def.DefaultFlushEventListener.onFlush(DefaultFlushEventListener.java:26) at org.hibernate.impl.SessionImpl.flush(SessionImpl.java:1000) at org.jboss.seam.persistence.HibernateSessionProxy.flush(HibernateSessionProxy.java:181)

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  • Calculating skew of text OpenCV

    - by Nick
    I am trying to calculate the skew of text in an image so I can correct it for the best OCR results. Currently this is the function I am using: double compute_skew(Mat &img) { // Binarize cv::threshold(img, img, 225, 255, cv::THRESH_BINARY); // Invert colors cv::bitwise_not(img, img); cv::Mat element = cv::getStructuringElement(cv::MORPH_RECT, cv::Size(5, 3)); cv::erode(img, img, element); std::vector<cv::Point> points; cv::Mat_<uchar>::iterator it = img.begin<uchar>(); cv::Mat_<uchar>::iterator end = img.end<uchar>(); for (; it != end; ++it) if (*it) points.push_back(it.pos()); cv::RotatedRect box = cv::minAreaRect(cv::Mat(points)); double angle = box.angle; if (angle < -45.) angle += 90.; cv::Point2f vertices[4]; box.points(vertices); for(int i = 0; i < 4; ++i) cv::line(img, vertices[i], vertices[(i + 1) % 4], cv::Scalar(255, 0, 0), 1, CV_AA); return angle; } When I look at then angle in debug I get 0.000000 However when I give it this image I get proper results of a skew of about 16 degrees: How can I properly detect the skew in the first image?

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  • Can I autogenerate/compile code on-the-fly, at runtime, based upon values (like key/value pairs) parsed out of a configuration file?

    - by Kumba
    This might be a doozy for some. I'm not sure if it's even 100% implementable, but I wanted to throw the idea out there to see if I'm really off of my rocker yet. I have a set of classes that mimics enums (see my other questions for specific details/examples). For 90% of my project, I can compile everything in at design time. But the remaining 10% is going to need to be editable w/o re-compiling the project in VS 2010. This remaining 10% will be based on a templated version of my Enums class, but will generate code at runtime, based upon data values sourced in from external configuration files. To keep this question small, see this SO question for an idea of what my Enums class looks like. The templated fields, per that question, will be the MaxEnums Int32, Names String() array, and Values array, plus each shared implementation of the Enums sub-class (which themselves, represent the Enums that I use elsewhere in my code). I'd ideally like to parse values from a simple text file (INI-style) of key/value pairs: [Section1] Enum1=enum_one Enum2=enum_two Enum3=enum_three So that the following code would be generated (and compiled) at runtime (comments/supporting code stripped to reduce question size): Friend Shared ReadOnly MaxEnums As Int32 = 3 Private Shared ReadOnly _Names As String() = New String() _ {"enum_one", "enum_two", "enum_three"} Friend Shared ReadOnly Enum1 As New Enums(_Names(0), 1) Friend Shared ReadOnly Enum2 As New Enums(_Names(1), 2) Friend Shared ReadOnly Enum3 As New Enums(_Names(2), 4) Friend Shared ReadOnly Values As Enums() = New Enums() _ {Enum1, Enum2, Enum3} I'm certain this would need to be generated in MSIL code, and I know from reading that the two components to look at are CodeDom and Reflection.Emit, but I was wondering if anyone had working examples (or pointers to working examples) versus really long articles. I'm a hands-on learner, so I have to have example code to play with. Thanks!

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  • Measuring text with sizeWithFont returns height one line too short

    - by Mac
    In an iPhone app I'm working on, I'm trying to get a UILabel to dynamically adjust its size based on its content. To do so, I'm using NSString's sizeWithFont:constrainedToSize method to measure the height of the text when constrained to a given width, and then set the UILabel to that width and the returned height. The problem however, is that roughly half the time sizeWithFont is returning a height for the text that is one line too short. This happens mostly with long strings (a couple of hundred characters), but also very occasionally with shorter strings (less than one hundred). For reference, my code looks like the following (textLabel is the UILabel in question and is a member variable, TEXT_WIDTH is the desired label width): - (void) setLabelText:(NSString*) text { CGSize bounds = CGSizeMake(TEXT_WIDTH, CGFLOAT_MAX); int textHeight = [text sizeWithFont:textLabel constrainedToSize:bounds lineBreakMode:UILineBreakModeWordWrap].height; CGRect newFrame = CGRectMake(0, 0, TEXT_WIDTH, textHeight); [textLabel setFrame:newFrame]; } Just to be clear, I don't believe the issue is with the UILabel, as I've manually inspected the value being returned by sizeWithFont and can confirm that the number being returned for the height is too small on the occasions when the label is also too small.

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  • iphone - making the CGAffineTransform permanent

    - by Mike
    I am banging my head on the wall here due to this problem: When I create a UIImageView this view has a certain orientation and size. Lets call this state "A". This view responds to taps. It can be dragged around the screen. At some point in the code I apply a CGAffineTransform to the view. Does not matter if the affine is a scale, a rotation, a translation or a combination of all. Does not matter also if the transform is absolute or relative. Not to mention the device can change its orientation and the view is autorotated to the correct orientation (that we can cay is a kind of rotation or transformation applied to the view). The problem is: the moment I touch that object or try to animate its transparency or any other parameter, it "remembers" the state "A" and does all animations from that state, not from current state. If I simply touch the view, it returns instantly to state "A". The code is not doing it by itself. It is an annoying "gift" from Apple. How to I make a view assume its current state of transformations as the reset or initial state? In other words, how do I make a view forget its past transformations or states? The only way I know is recreating the view, but this is a ridiculous way of doing this. Is there any way to make this work as I described? thanks

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  • pulling an UIImage from a UITextView or UILabel gives white image

    - by user293139
    Hello all, I need to grab an UIImage from a UITextView or UILabel. I've got a method that will pull an image successfully from other types of views ( [UIViewController view], MKMapView, UIButtons) but I am just getting a white rect for my UITextView. I've been banging my head against the wall for a while and suspect something really, really basic. many thanks! @interface TaskAccomplishmentViewController : UIViewController { MKMapView *mapView; UILabel *timeLeftText; UITextView *challengeText; UIButton *successButton; -(void) setChallangeImageToImageFromChallenge { // works // [currChallenge setChallengeImage:[UIImageUtils grabImageFromView:mapView]]; // [currChallenge setChallengeImage:[UIImageUtils grabImageFromView:[self view]]]; // [currChallenge setChallengeImage:[UIImageUtils grabImageFromView:successButton]]; //doesn't work // [currChallenge setChallengeImage:[UIImageUtils grabImageFromView:timeLeftText]]; [currChallenge setChallengeImage:[UIImageUtils grabImageFromView:challengeText]]; } and the grabImage from a UIView code +(UIImage *)grabImageFromView: (UIView *) viewToGrab { UIGraphicsBeginImageContext(viewToGrab.bounds.size); [[viewToGrab layer] renderInContext:UIGraphicsGetCurrentContext()]; UIImage *viewImage = UIGraphicsGetImageFromCurrentImageContext(); UIGraphicsEndImageContext(); return viewImage; }

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  • Facebook Style YUI Tabs

    - by Amaç Herdagdelen
    Does anyone know how to style YUI Tabview component [1] so it will look like Facebook tabs [2]? I am using YUI 2. A very crude attempt is below (I modified the example code given in Devtacular [3]). But it does not handle the spacing between the tabs, nor the outer lines around the selected tab. http://developer.yahoo.com/yui/tabview/ http://dl.dropbox.com/u/121472/facebook_tab.jpg http://devtacular.com/articles/bkonrad/how-to-style-an-application-like-facebook/ Thanks! .yui-navset .yui-nav a { padding: 8px; background-color: #d8dfea; color: #3b5998; font-weight: bold; font-size: 12px; float: left; margin-right: 4px; text-decoration: none; cursor: hand; } .yui-navset .yui-nav a:hover { background-color: #3b5998; color: #ffffff; text-decoration: none; } .yui-navset .yui-nav .selected a { background-color: #ffffff; color: #333333; text-decoration: none; }

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  • Oracle command hangs when using view for "WHERE x IN..." subquery

    - by Calvin Fisher
    I'm working on a web service that fetches data from an oracle data source in chunks and passes it back to an indexing/search tool in XML format. I'm the C#/.NET guy, and am kind of fuzzy on parts of Oracle. Our Oracle team gave us the following script to run, and it works well: SELECT ROWID, [columns] FROM [table] WHERE ROWID IN ( SELECT ROWID FROM ( SELECT ROWID FROM [table] WHERE ROWID > '[previous_batch_last_rowid]' ORDER BY ROWID ) WHERE ROWNUM <= 10000 ) ORDER BY ROWID 10,000 rows is an arbitrary but reasonable chunk size and ROWID is sufficiently unique for our purposes to use as a UID since each indexing run hits only one table at a time. Bracketed values are filled in programmatically by the web service. Now we're going to start adding views to the indexing, each of which will union a few separate tables. Since ROWID would no longer function as a unique identifier, they added a column to the views (VIEW_UNIQUE_ID) that concatenates the ROWIDs from the component tables to construct a UID for each union. But this script does not work, even though it follows the same form as the previous one: SELECT VIEW_UNIQUE_ID, [columns] FROM [view] WHERE VIEW_UNIQUE_ID IN ( SELECT VIEW_UNIQUE_ID FROM ( SELECT VIEW_UNIQUE_ID FROM [view] WHERE ROWID > '[previous_batch_last_view_unique_id]' ORDER BY VIEW_UNIQUE_ID ) WHERE ROWNUM <= 10000 ) ORDER BY VIEW_UNIQUE_ID It hangs indefinitely with no response from the Oracle server. I've waited 20+ minutes and the SQLTools dialog box indicating a running query remains the same, with no progress or updates. I've tested each subquery independently and each works fine and takes a very short amount of time (<= 1 second), so the view itself is sound. But as soon as the inner two SELECT queries are added with "WHERE VIEW_UNIQUE_ID IN...", it hangs. Why doesn't this query work for views? In what important way are they not interchangeable here?

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  • Google's 'go' and scope/functions

    - by danwoods
    In one of the example servers given at golang.org: package main import ( "flag" "http" "io" "log" "template" ) var addr = flag.String("addr", ":1718", "http service address") // Q=17, R=18 var fmap = template.FormatterMap{ "html": template.HTMLFormatter, "url+html": UrlHtmlFormatter, } var templ = template.MustParse(templateStr, fmap) func main() { flag.Parse() http.Handle("/", http.HandlerFunc(QR)) err := http.ListenAndServe(*addr, nil) if err != nil { log.Exit("ListenAndServe:", err) } } func QR(c *http.Conn, req *http.Request) { templ.Execute(req.FormValue("s"), c) } func UrlHtmlFormatter(w io.Writer, v interface{}, fmt string) { template.HTMLEscape(w, []byte(http.URLEscape(v.(string)))) } const templateStr = ` <html> <head> <title>QR Link Generator</title> </head> <body> {.section @} <img src="http://chart.apis.google.com/chart?chs=300x300&cht=qr&choe=UTF- 8&chl={@|url+html}" /> <br> {@|html} <br> <br> {.end} <form action="/" name=f method="GET"><input maxLength=1024 size=70 name=s value="" title="Text to QR Encode"><input type=submit value="Show QR" name=qr> </form> </body> </html> ` Why is template.HTMLEscape(w, []byte(http.URLEscape(v.(string)))) contained within UrlHtmlFormatter? Why can't it be directly linked to "url+html"?

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  • Display HTML page in Office 2003 or 2007 task pane via VBA

    - by Malcolm
    Is it possible to display an HTML page in an Office 2003 and/or 2007 task pane via VBA? Background: We have a complicated configuration file that our users maintain in Word (using a real editor is not an option for our audience). We would like to create several toolbar buttons that display a basic HTML page in a task pane as a form of online help for our users. The reason we want to use a task pane to display help (vs. an external browser or traditional help engine) is so that the help content is "embedded" in Word vs. displayed via a seperate application. The problem with using a regular browser or help engine to display help is that users have to manually size and position both applications so that they can see them simultaneously and its very easy to "lose" one application when togging between many applications. We don't want to go down the route of writing a VisualStudio based task pane component - we want to keep things simple (KISS) and encapsulate everything in an easy to distribute Word template file (.dot or dotx.). Suggestions?

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  • how to show a large jpg image to the right in jqGrid's edit form ?

    - by cLee
    Is it possible to show a large (i.e. bigger than a thumbnail) jpeg image in the right-hand side of jqGrid's edit form ? Users want to look at a photo while entering data into fields ... they are describing things in the photo. I'm sure all things are possible with jQuery, but I don't know where to begin. thanks ... html: function afterSubmit(r, data, action) { // if session timeout returned: if (r.responseText == "logout") { window.location = '../scripts/logout.php'; } // if an error message is returned: if (r.responseText != "") { $('#submit_errors').html('Alert:'+r.responseText+''); // show div with error message $('#submit_errors').slideDown(); // hide error div after 10 seconds window.setTimeout(function() { $('#submit_errors').slideUp(); }, 10000); return false; // don't remove this! } return true; // don't remove this! } var lastsel; jQuery(document).ready(function(){ var mygrid = jQuery("#mobile_incidents").jqGrid({ url:'list.php?q=e', editurl:'edit.php', datatype: "json", // note: all column names are required even though some columns are hidden colNames:['Rec#','Date','Line','Photo'], colModel:[{ name:'id', index:'id', editable:true, editoptions: {readonly:'readonly'} }, { name:'mobile_discoveryDate', index:'mobile_discoveryDate', sortable:false, editable:true, edittype:'text', formatter:'date', formatoptions:{ srcformat:'Y/m/d', newformat:'m/d/Y' }, editoptions:{ size:12, maxlength:10, dataInit: function(element) { $(element).blur(); $(element).datepicker({dateFormat:'mm/dd/yyyy'}) } } }, { name:'mobile_lineName', index:'mobile_lineName', editable:true, sortable:false}, { name:'mobile_photo_name', index:'mobile_photo_name', editable:false, sortable:false} ], pager: '#mobile_incidents_pager', altRows: false, rowNum:10, rowList:[10,20], imgpath: '../include/images/jqgrid', viewrecords: true, emptyrecords:'No submissions found!', height: 260, sortname: 'id', sortorder: 'desc', gridview: true, scrollrows: true, autowidth: true, rownumbers: false, multiselect: false, subGrid:false, caption: '' }) .navGrid('#mobile_incidents_pager', // params: {add:false, edit:true, del:false, search:false, view:false, refresh:true, alertcap:' to edit:', alerttext:' . . . click on a row to highlight' }, // edit params: {top:50, left:5, editCaption: 'Edit Submission', bSubmit: 'Approve/Save', closeAfterEdit:true, afterSubmit:function(r,data){return afterSubmit(r,data,'edit');} }, {}, // add params {}, // delete params // search params: {multipleSearch: false}, // view params: {top: 150, left: 5, caption: 'View Mobile Rail Submission'} ); });

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  • Save UIwebview contents to photo gallery

    - by user307410
    There's a video tutorial on u tube that shows how to perform this.It consists of a UIwebview and toolbar button to save the contents.Haven't had any luck making this work.Could someone have a look and see they can make it work.Many thanks in advance. http://www.youtube.com/watch?v=gDPca3JIc_s&feature=player_embedded# /////////////////////////////////////////////////////////////////// // // SaveWebViewController.h // SaveWeb // // // Copyright MyCompanyName 2010. All rights reserved. // import @interface SaveWebViewController : UIViewController { IBOutlet UIWebView *webview; } @property (nonatomic, retain) IBOutlet UIWebView *webview; [IBAction]saveWeb:(id)sender; @end //////////////////////////////////////////////////////////////////////////////// // // SaveWebViewController.m // SaveWeb // // // Copyright MyCompanyName 2010. All rights reserved. // import "SaveWebViewController.h" @implementation SaveWebViewController (IBAction)saveWeb:(id)sender { UIGraphicsBeginImageContext(webView.frame.size); [self.view.layer renderInContext: UIGraphicsGetCurrentContext()]; UIImage *viewImage = UIGraphicsGetImageFromCurrentImageContext(); UIGraphicsEndImageContext(); UIImageWriteToSavedPhotosAlbum(viewImage, nil, nil, nil); } // The designated initializer. Override to perform setup that is required before the view is loaded. - (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil { if (self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil]) { // Custom initialization } return self; } // Implement loadView to create a view hierarchy programmatically, without using a nib. - (void)loadView { } //Implement viewDidLoad to do additional setup after loading the view, typically from a nib. - (void)viewDidLoad { [super viewDidLoad]; [webView loadRequest:[NSURLRequest requestWithURL:[NSURL URLWithString:@"http://google.com"]]]; } // Override to allow orientations other than the default portrait orientation. - (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation { // Return YES for supported orientations return (interfaceOrientation == UIInterfaceOrientationPortrait); } (void)didReceiveMemoryWarning { // Releases the view if it doesn't have a superview. [super didReceiveMemoryWarning]; // Release any cached data, images, etc that aren't in use. } (void)viewDidUnload { // Release any retained subviews of the main view. // e.g. self.myOutlet = nil; } (void)dealloc { [super dealloc]; } @end

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  • CSS: Horizontally scrolling image inside variable width div?

    - by neezer
    I have... <div id="tabs"> <!-- ... --> <div id="interior-photo"> <img src="..."> </div> <!-- ... --> </div> ... and ... #interior-photo { overflow-x: auto; } Basically, I have a page broken down into a main section and a fixed-width right sidebar. Within the main section, I have my tabbed div. The entire page grows with the width of the window, so when the window is resized, the tabbed div grows horizontally in size too. My problem is that the image that I'm loading inside one of the tabbed divs is generally much, much wider than the window usually is (they're panorama pictures; very lengthy horizontally, but not much vertically). I know that I can force the contents of #interior-photo to scroll horizontally using the CSS rule above, but that only seems to work when that same div has a fixed width. Since I want that div to have a variable width, it always seems to display the full width of the image, pushing my layout way out of whack. I know how to fix this using Javascript, but I was wondering if anyone has a CSS-only solution. If you need more information about my layout to solve this issue, please let me know. Thanks!

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  • Still about SSD potentials...write and read speed

    - by Macroideal
    HI Gurus, I have been working on SSD(solid state disk) for several months..Problems and Questions hit my head unexpectedly..Coz i am a virgin in ssd... Esp these days i was testing the write-read speed of ssd, which I was always caring.... however result turned out not good as I expected, or even worse Three kinds of read-write were implemented in my test 1. read and write directly from and into ssd, with openning ssd as a whole device. in windows: _open("\\:g", ***).. It can be very tricky and hairy that you'd write a data with size of folds of 512, at the disk position of folds of 512bytes... So, If you wanto write just a byte or 4 bytes, you'v to write at least a whole sector one time. 2. Read and write data from and into files located in SSD... 3. Read and Write data from and into files in mechanical Disk I compared the pratices below...I found ssd sucks...the ssd performs worse than mechanical disk... so i am wondering where i can get the potential performance of ssd, since ssd is said to a substitute for mechanical disk in the future.. Nevertheless, I test ssd with a pro-hard-disk tools..ssd is like twice speedier than mechanical disk. So, why? Thanx very much...If you know tips of ssd...follow me

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