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  • PHP file form question

    - by Jordan Pagaduan
    My Code : <?php function dbAdd($first_name , $image) { //mysql connect database code... mysql_query("INSERT INTO users SET first_name = '".$first_name."', image = '".$image."'"); $mysql_close($sql); } if($_SERVER['REQUEST_METHOD']=='POST') { dbAdd($_POST['first_name'], $_POST['image']); } ?> <form enctype="multipart/form-data" method="post" action=""> First Name : <input type="text" name="first_name" > Image : <input type="file" name="image"> <input type="submit"> </form> The form "file" is to upload. I know that. But I wonder how to get the values so I can put the path of image in the database. The code is already working. The $first_name can already save to the database. Thank you for the answers. Jordan Pagaduan

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  • javascript alarmclock script

    - by butteff
    it's work only once. at second button click, occured nothing. if I change budilnik variable at i_budilnik or var budilnik, occured nothing at first and other clicks! Where is the problem? <div><form name="alert"><input type="text" name="hour" /><input type="text" name="min"/><input type="button" value="ok" onclick="budilnik(this.form)"></form><font color=#660000 size=20 face=Tahoma><span id="hours"></span> </div> <script type="text/javascript"> function budilnik(form) { budilnik=1; min=form.min.value; hour=form.hour.value; } obj_hours=document.getElementById("hours"); function wr_hours() { time=new Date(); time_min=time.getMinutes(); time_hours=time.getHours(); time_wr=((time_hours<10)?"0":"")+time_hours; time_wr+=":"; time_wr+=((time_min<10)?"0":"")+time_min; time_wr=time_wr; obj_hours.innerHTML=time_wr; if (i_budilnik==1) { if (min==time_min) { if (hour==time_hours) { alert('welldone'); budilnik=0; } } } } wr_hours(); setInterval("wr_hours();",1000); </script>

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  • flex blazeds spring exception translator

    - by Shah Al
    I am using spring exception translator to wrap java exception into flex exception. eg public void testException()throws Exception{ throw new Exception("my exception"); } But for some reason, I am getting IllegalAccessError. The code sections are entering the testException and the Translator class. Question: why it trying to get log target level ? Can someone help me resolve this please. Below is the lines from the log: MyExceptionTranslatorImpl.translate()class java.lang.IllegalAccessError MyExceptionTranslatorImpl.translate()java.lang.IllegalAccessError: tried to access method flex.messaging.log.Log.getTargetLevel()S from class flex.messaging.MessageException MyExceptionTranslatorImpl.translate()tried to access method flex.messaging.log.Log.getTargetLevel()S from class flex.messaging.MessageException [BlazeDS] tried to access method flex.messaging.log.Log.getTargetLevel()S from class flex.messaging.MessageException [BlazeDS] Serializing AMF/HTTP response

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  • How do I iterate over the properties of an anonymous object in C#?

    - by Tomas Lycken
    I want to take an anonymous object as argument to a method, and then iterate over its properties to add each property/value to a a dynamic ExpandoObject. So what I need is to go from new { Prop1 = "first value", Prop2 = SomeObjectInstance, Prop3 = 1234 } to knowing names and values of each property, and being able to add them to the ExpandoObject. How do I accomplish this? Side note: This will be done in many of my unit tests (I'm using it to refactor away a lot of junk in the setup), so performance is to some extent relevant. I don't know enough about reflection to say for sure, but from what I've understood it's pretty performance heavy, so if it's possible I'd rather avoid it... Follow-up question: As I said, I'm taking this anonymous object as an argument to a method. What datatype should I use in the method's signature? Will all properties be available if I use object?

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  • Freehand drawing with Quartz 2D

    - by qutaibah
    I am trying to develop a simple freehand-drawing app for red-marking some of my images. Below is a method that is called from within the drawRect. I want to ask if there is a way to avoid add the path every time the path is redrawn? Also, the way the draw method is set up, the drawing gets a bit slow and choopy after a few seconds. How can I improve the smoothness of the drawn path? thanks -(void)freehandDraw:(CGContextRef)context inRect:(CGRect)rect { CGPathAddLineToPoint( path, NULL, drawTip.x, drawTip.y); CGContextAddPath( context, path); CGContextStrokePath(context); } // method

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  • jquery insertAfter or append question

    - by user271619
    I am playing around with validating form inputs. For now I'm simply having fun with displaying a message after the input. I'm using the after() method to display simple text, and when I purposely make a mistake in the box I display the message perfectly. However, if I purposely make a mistake again, it immediately adds the same message after the first error message. Is there a method that replaces the original? I didn't want to try to add some more code to look for that original error message, delete it, and then insert the same message again. I will if I have to, but I thought I'd ask first. Here's my code: <script language="javascript" type="text/javascript"> $(document).ready(function(){ $("form#testform").submit(function(){ if($("#fieldname1").val().length < 5){ $("#fieldone").after("<div>not enough characters</div>"); } });return false; }); </script> <form id="testform" method="post"> <table> <tr> <td style="width:100px;">Field One:</td> <td><input type="text" name="fieldname1" id="fieldname1" /></td> </tr> <tr> <td>&nbsp;</td> <td><input type="submit" name="Submit" value="Submit" /></td> </tr> </table> </form>

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  • NerdDinner form validation DataAnnotations ERROR in MVC2 when a form field is left blank.

    - by Edward Burns
    Platform: Windows 7 Ultimate IDE: Visual Studio 2010 Ultimate Web Environment: ASP.NET MVC 2 Database: SQL Server 2008 R2 Express Data Access: Entity Framework 4 Form Validation: DataAnnotations Sample App: NerdDinner from Wrox Pro ASP.NET MVC 2 Book: Wrox Professional MVC 2 Problem with Chapter 1 - Section: "Integrating Validation and Business Rule Logic with Model Classes" (pages 33 to 35) ERROR Synopsis: NerdDinner form validation ERROR with DataAnnotations and db nulls. DataAnnotations in sample code does not work when the database fields are set to not allow nulls. ERROR occurs with the code from the book and with the sample code downloaded from codeplex. Help! I'm really frustrated by this!! I can't believe something so simple just doesn't work??? Steps to reproduce ERROR: Set Database fields to not allow NULLs (See Picture) Set NerdDinnerEntityModel Dinner class fields' Nullable property to false (See Picture) Add DataAnnotations for Dinner_Validation class (CODE A) Create Dinner repository class (CODE B) Add CREATE action to DinnerController (CODE C) This is blank form before posting (See Picture) This null ERROR occurs when posting a blank form which should be intercepted by the Dinner_Validation class DataAnnotations. Note ERROR message says that "This property cannot be set to a null value. WTH??? (See Picture) The next ERROR occurs during the edit process. Here is the Edit controller action (CODE D) This is the "Edit" form with intentionally wrong input to test Dinner Validation DataAnnotations (See Picture) The ERROR occurs again when posting the edit form with blank form fields. The post request should be intercepted by the Dinner_Validation class DataAnnotations. Same null entry error. WTH??? (See Picture) See screen shots at: http://www.intermedia4web.com/temp/nerdDinner/StackOverflowNerdDinnerQuestionshort.png CODE A: [MetadataType(typeof(Dinner_Validation))] public partial class Dinner { } [Bind(Include = "Title, EventDate, Description, Address, Country, ContactPhone, Latitude, Longitude")] public class Dinner_Validation { [Required(ErrorMessage = "Title is required")] [StringLength(50, ErrorMessage = "Title may not be longer than 50 characters")] public string Title { get; set; } [Required(ErrorMessage = "Description is required")] [StringLength(265, ErrorMessage = "Description must be 256 characters or less")] public string Description { get; set; } [Required(ErrorMessage="Event date is required")] public DateTime EventDate { get; set; } [Required(ErrorMessage = "Address is required")] public string Address { get; set; } [Required(ErrorMessage = "Country is required")] public string Country { get; set; } [Required(ErrorMessage = "Contact phone is required")] public string ContactPhone { get; set; } [Required(ErrorMessage = "Latitude is required")] public double Latitude { get; set; } [Required(ErrorMessage = "Longitude is required")] public double Longitude { get; set; } } CODE B: public class DinnerRepository { private NerdDinnerEntities _NerdDinnerEntity = new NerdDinnerEntities(); // Query Method public IQueryable<Dinner> FindAllDinners() { return _NerdDinnerEntity.Dinners; } // Query Method public IQueryable<Dinner> FindUpcomingDinners() { return from dinner in _NerdDinnerEntity.Dinners where dinner.EventDate > DateTime.Now orderby dinner.EventDate select dinner; } // Query Method public Dinner GetDinner(int id) { return _NerdDinnerEntity.Dinners.FirstOrDefault(d => d.DinnerID == id); } // Insert Method public void Add(Dinner dinner) { _NerdDinnerEntity.Dinners.AddObject(dinner); } // Delete Method public void Delete(Dinner dinner) { foreach (var rsvp in dinner.RSVPs) { _NerdDinnerEntity.RSVPs.DeleteObject(rsvp); } _NerdDinnerEntity.Dinners.DeleteObject(dinner); } // Persistence Method public void Save() { _NerdDinnerEntity.SaveChanges(); } } CODE C: // ************************************** // GET: /Dinners/Create/ // ************************************** public ActionResult Create() { Dinner dinner = new Dinner() { EventDate = DateTime.Now.AddDays(7) }; return View(dinner); } // ************************************** // POST: /Dinners/Create/ // ************************************** [HttpPost] public ActionResult Create(Dinner dinner) { if (ModelState.IsValid) { dinner.HostedBy = "The Code Dude"; _dinnerRepository.Add(dinner); _dinnerRepository.Save(); return RedirectToAction("Details", new { id = dinner.DinnerID }); } else { return View(dinner); } } CODE D: // ************************************** // GET: /Dinners/Edit/{id} // ************************************** public ActionResult Edit(int id) { Dinner dinner = _dinnerRepository.GetDinner(id); return View(dinner); } // ************************************** // POST: /Dinners/Edit/{id} // ************************************** [HttpPost] public ActionResult Edit(int id, FormCollection formValues) { Dinner dinner = _dinnerRepository.GetDinner(id); if (TryUpdateModel(dinner)){ _dinnerRepository.Save(); return RedirectToAction("Details", new { id=dinner.DinnerID }); } return View(dinner); } I have sent Wrox and one of the authors a request for help but have not heard back from anyone. Readers of the book cannot even continue to finish the rest of chapter 1 because of these errors. Even if I download the latest build from Codeplex, it still has the same errors. Can someone please help me and tell me what needs to be fixed? Thanks - Ed.

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  • UIView drawRect; class variables out of scope

    - by Toby Wilson
    Short & sweet version of my last question in light of new information. I have a UIVIew with an init and a drawrect method (and another thread and a bunch of other stuff, but I'll keep it short & sweet). All of the class variables that I alloc and init in the -(id)init method are out of scope/nil/0x0 in the drawRect method, and I am unable to access them. For example; In the interface: NSObject* fred; In the implementation: -(id)init { if(self == [super init]) { fred = [[NSObject alloc] init]; } return self; } -(void)drawRect:(CGRect)rect { NSLog(@"Fred is retained %i times",[fred retainCount]); //FAIL NSLog(@"But his variable is actually just pointing at uninitialised 0x0, so you're not reading this in the debugger because the application has crashed before it got here." } Should add that init IS being called before drawRect also. Anyone have any ideas?

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  • Trouble getting search results using MGTwitterEngine

    - by cannyboy
    I'm using a version of Matt Gemmell's MGTwitterEngine, and I'm trying to get some results from the getSearchResultsForQuery method. // do a search [_engine getSearchResultsForQuery:@"#quote"]; // delegate method for handling result - (void)searchResultsReceived:(NSArray *)searchResults forRequest:(NSString *)connectionIdentifier { if ([searchResults count] > 0) { NSDictionary *singleResult = [searchResults objectAtIndex:1]; NSString *text = [singleResult valueForKey:@"text"]; NSLog(@"Text at Index one: \n %@", text); } } However, I never appear to get the result. In the console, I get: Request 7E4C3097-88D6-45F1-90D2-AD8205FBAAC5 failed with error: Error Domain=HTTP Code=400 "Operation could not be completed. (HTTP error 400.)" Is there a way around this? Am I implementing the delegate method right? (Also, I had difficulty installing the YAJL stuff for the engine, and wonder if that has something to do with it)

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  • Saving a datawindow as PDF in PB 10.5

    - by gd047
    I have a grid datawindow with a picture in it's background (with dimensions of an A4 page) and I would like to export both data and the picture as a (single page) PDF file. I used several combinations of the following commands but at most I got a 0-sized pdf. //dw_1.Modify("Datawindow.Export.PDF.Method = Distill! ") //dw_1.Modify("DataWindow.Export.PDF.Method = XSLFOP! ") dw_1.Object.DataWindow.Export.PDF.Method = Distill! //dw_1.Object.DataWindow.Printer = "\\prntsrvr\pr-6" dw_1.Object.DataWindow.Export.PDF.Distill.CustomPostScript="No" dw_1.SaveAs("c:\dw_one.pdf", PDF!, false) User’s guide (on page 533) says: … the data is printed to a PostScript file and automatically distilled to PDF using GNU Ghostscript… Installing Ghostscript For licensing reasons, Ghostscript is not installed with PowerBuilder. You (and your users) must download and install it before you can use this technique… Does anyone have any idea what is the procedure?

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  • How do I remove accents from characters in a PHP string?

    - by georgebrock
    I'm attempting to remove accents from characters in PHP string as the first step to making the string usable in a URL. I'm using the following code: $input = "Fóø Bår"; setlocale(LC_ALL, "en_US.utf8"); $output = iconv("utf-8", "ascii//TRANSLIT", $input); print($output); The output I would expect would be something like this: F'oo Bar However, instead of the accented characters being transliterated they are replaced with question marks: F?? B?r Everything I can find online indicates that setting the locale will fix this problem, however I'm already doing this. I've already checked the following details: The locale I am setting is supported by the server (included in the list produced by locale -a) The source and target encodings (UTF-8 and ASCII) are supported by the server's version of iconv (included in the list produced by iconv -l) The input string is UTF-8 encoded (verified using PHP's mb_check_encoding function, as suggested in the answer by mercator) The call to setlocale is successful (it returns 'en_US.utf8' rather than FALSE) The cause of the problem: The server is using the wrong implementation of iconv. It has the glibc version instead of the required libiconv version. Note that the iconv function on some systems may not work as you expect. In such case, it'd be a good idea to install the GNU libiconv library. It will most likely end up with more consistent results. – PHP manual's introduction to iconv Details about the iconv implementation that is used by PHP are included in the output of the phpinfo function. (I'm not able to re-compile PHP with the correct iconv library on the server I'm working with for this project so the answer I've accepted below is the one that was most useful for removing accents without iconv support.)

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  • UIPopoverController gesture handling in UISplitViewController for iOS 5.1 and below

    - by 5StringRyan
    I've (along with many others) have noticed that Apple changed the appearance of the popover controller to use a "slider" window rather than the usual "popover" tableview that I've used. While I'm okay with the new appearance, like others I'm having issues with the swipe gesture that is introduced: iOS 5.1 swipe gesture hijacked by UISplitViewController - how to avoid? The fix for this seems to be to set the split view controller method "presentWithGesture" to "NO." UISplitViewController *splitViewController = [[UISplitViewController alloc] init]; splitViewController.presentsWithGesture = NO; This works great if the user is using iOS 5.1, however, if this code is run using iOS 5.0 or below, an exception is thrown since this method is only available for iOS 5.1: Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: '-[UISplitViewController setPresentsWithGesture:]: unrecognized selector Is it possible to get rid of this gesture without using this method so that it's backwards compatible with iOS' 5.0 and below?

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  • How do I stub a view in rspec-2

    - by Trey Bean
    I'm in the process of upgrading an app to Rails 3/Rspec 2. I see that stubbing a view helper method has changed in Rspec 2. It looks like instead of doing template.stub!, we're now supposed to do view.stub!, but I can't seem to get this to work on beta 10. I get an "undefined local variable or method `view' for # < RSpec::Core::ExampleGroup::Nested_1::Nested_1::Nested_1:0x106785fd0" error. I see that in this commit David removed the view method, but I can't figure out what it was replaced with. Something in ActionView::TestCase::Behavior? I'm on rails 3.0.0.beta3. Any idea what I'm missing?

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  • How to round CGFloat

    - by Johannes Jensen
    I made this method + (CGFloat) round: (CGFloat)f { int a = f; CGFloat b = a; return b; } It works as expected but it only rounds down. And if it's a negative number it still rounds down. This was just a quick method I made, it isn't very important that it rounds correctly, I just made it to round the camera's x and y values for my game. Is this method okay? Is it fast? Or is there a better solution?

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  • MVC2 and jquery.validate.js

    - by Will I Am
    I am experiencing some confusion with jquery.validate.js First of all, what is MicrosoftMvcJqueryValidation.js. It is referenced in snippets on the web but appears to have dissapeared from the RTM MVC2 and is now in futures. Do I need it? The reason I'm asking is that I'm trying to use the validator with MVC and I can't get it to work. I defined my JS as: $(document).ready(function () { $("#myForm").validate({ rules: { f_fullname: { required: true }, f_email: { required: true, email: true }, f_email_c: { equalTo: "#f_email" }, f_password: { required: true, minlength: 6 }, f_password_c: { equalTo: "#f_password" } }, messages: { f_fullname: { required: "* required" }, f_email: { required: "* required", email: "* not a valid email address" }, f_email_c: { equalTo: "* does not match the other email" }, f_password: { required: "* required", minlength: "password must be at least 6 characters long" }, f_password_c: { equalTo: "* does not match the other email" } } }); }); and my form on the view: <% using (Html.BeginForm("CreateNew", "Account", FormMethod.Post, new { id = "myForm" })) { %> <fieldset> <label for="f_fullname">name:</label><input id="f_fullname"/> <label for="f_email"><input id="f_email"/> ...etc... <input type="submit" value="Create" id="f_submit"/> </fieldset> <% } %> and the validation method gets called on .ready() with no errors in firebug. however when I submit the form, nothing gets validated and the form gets submitted. If I create a submitHandler() it gets called, but the plugin doesn't detect any validation errors (.valid() == true) What am I missing?

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  • internet explorer ashx file problem

    - by vondip
    My problem is a bit complicated: I am writing in c#, asp.net and using jquery I have a page that sends requests to the server using jquery's ajax method. I have a ashx file (handler) to respond to these request. User can perform several changes on several pages, then use some method that will call the ajax method. My ashx file reads some values From the session variables and acts accordingly. This works fine in all browsers but in internet explorer. In internet explorer the session seems to hold old information (old user ids'). It's incredible, the same code works fine in firefox, chrome and safari but fails with ie. What could be causing it? I have no clue where to even start looking for a solution. btw, Sorry for the general title, couldn't figure out how to explain in just few words. Thank You!

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  • Right-Align and Vertical Align label with checkbox/radio button CSS

    - by Jon
    Hi Everyone, I'm very close and have this working in Safari, Firefox and IE8, however IE7 the labels and radio buttons do not align vertically. My HTML is: <div id="master-container"> <fieldset id="test"> <legend>This is a test of my CSS</legend> <ul class="inputlist"> <li> <label for="test1">Test 1</label> <input name="test1" id="test1" type="checkbox" disabled="disabled"/> </li> <li> <label for="test2">Test 2</label> <input name="test2" id="test2" type="checkbox" disabled="disabled"/> </li> </ul> </fieldset> </div> My CSS Is: html{font-family:Arial,Helvetica,sans-serif;} #master-container{width:615px;font-size:12px;} ul.inputlist{list-style-type:none;} ul.inputlist li{width:100%;margin-bottom:5px;} ul.inputlist li label{width:30px; text-align:right; margin-right:7px;float:left;} Any suggestions? Thanks! EDIT: Based on the suggestion to check the rest of my html and css. I updated the code above and now it accurately demonstrates the problem. If I take font-size out of #master-container it lines up but then it is not the proper font-size. I tried to add a font-size to ul.inputlist li input but that didn't help. Any suggestions? Thanks for your help everyone!

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  • using ghostscript in server mode to convert pdfs to pngs

    - by emh
    while i am able to convert a specific page of a PDF to a PNG like so: gs -dSAFER -dBATCH -dNOPAUSE -sDEVICE=png16m -dGraphicsAlphaBits=4 -sOutputFile=gymnastics-20.png -dFirstPage=20 -dLastPage=20 gymnastics.pdf i am wondering if i can somehow use ghostscript's JOBSERVER mode to process several conversions without having to incur the cost of starting up ghostscript each time. from: http://pages.cs.wisc.edu/~ghost/doc/svn/Use.htm -dJOBSERVER Define \004 (^D) to start a new encapsulated job used for compatibility with Adobe PS Interpreters that ordinarily run under a job server. The -dNOOUTERSAVE switch is ignored if -dJOBSERVER is specified since job servers always execute the input PostScript under a save level, although the exitserver operator can be used to escape from the encapsulated job and execute as if the -dNOOUTERSAVE was specified. This also requires that the input be from stdin, otherwise an error will result (Error: /invalidrestore in --restore--). Example usage is: gs ... -dJOBSERVER - < inputfile.ps -or- cat inputfile.ps | gs ... -dJOBSERVER - Note: The ^D does not result in an end-of-file action on stdin as it may on some PostScript printers that rely on TBCP (Tagged Binary Communication Protocol) to cause an out-of-band ^D to signal EOF in a stream input data. This means that direct file actions on stdin such as flushfile and closefile will affect processing of data beyond the ^D in the stream. the idea is to run ghostscript in-process. the script would receive a request for a particular page of a pdf and would use ghostscript to generate the specified image. i'd rather not start up a new ghostscript process every time.

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  • Javassist: how to create proxy of proxy?

    - by Bozho
    I'm creating proxies with javassist ProxyFactory. When creating a single proxy all works fine. However, when I pass a proxied class to the proxying mechanism, it fails with javassist.bytecode.DuplicateMemberException: duplicate method: setHandler in com.mypackage.Bean_$$_javassist_0_$$_javassist_1 I'm creating the proxies with this: public Object createProxiedInstance(Object originalInstance) throws Exception { Class<?> originalClass = instance.getClass(); ProxyFactory factory = new ProxyFactory(); factory.setSuperclass(originalClass); factory.setHandler(new MethodHandler() {..}); Class<T> proxyClass = factory.createClass(); return proxyClass.newInstance(); } So, how do I create proxies of proxies? Update: The actual problems is that each proxy implements the ProxyObject which defines setHandler(..) method. So the 2nd proxy is trying to redefine the method, instead of overriding it in the subclass.

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  • Delegate, BeginInvoke. EndInvoke - How to clean up multiple Async threat calls to the same delegate?

    - by Dan
    I've created a Delegate that I intend to call Async. Module Level Delegate Sub GetPartListDataFromServer(ByVal dvOriginal As DataView, ByVal ProgramID As Integer) Dim dlgGetPartList As GetPartListDataFromServer The following code I use in a method Dim dlgGetPartList As New GetPartListDataFromServer(AddressOf AsyncThreadMethod_GetPartListDataFromServer) dlgGetPartList.BeginInvoke(ucboPart.DataSource, ucboProgram.Value, AddressOf AsyncCallback_GetPartListDataFromServer, Nothing) The method runs and does what it needs to The Asyn callback is fired upon completion where I do an EndInvoke Sub AsyncCallback_GetPartListDataFromServer(ByVal ar As IAsyncResult) dlgGetPartList.EndInvoke(Nothing) End Sub It works as long as the method that starts the BeginInvoke on the delegate only ever runs while there is not a BeginInvoke/Thread operation already running. Problem is that the a new thread could be invoked while another thread on the delegate is still running and hasnt yet been EndInvoke'd. The program needs to be able to have the delegate run in more than one instance at a time if necessary and they all need to complete and have EndInvoke called. Once I start another BeginInvoke I lose the reference to the first BeginInvoke so I am unable to clean up the new thread with an EndInvoke. What is a clean solution and best practice to overcome this problem?

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  • Integrate Jasper in Rails 3

    - by AndreDurao
    I'm trying to integrate a rails 3 app with jasper following this wiki: http://wiki.rubyonrails.org/rails/pages/HowtoIntegrateJasperReports But it seems that a lot of information isn't updated so it's been very hard to make it work by myself. I've also read a topic at ruby-forum: http://www.ruby-forum.com/topic/139453 with some details explained but still couldn't make it work. My first problem is related with the render_to_string method: When the controller method runs I receive a "Template is missing" error: this is the method: def report @customers = Customer.all send_doc(render_to_string(:template => report_customers_path, :layout => false), '/pdfs', 'report.jasper', "customers", 'pdf') end Although this seems simple I'm not understanding why is this happening. Doesn't render_to_string with layout = false suposed to get me the string result of that action? I also tried :action instead of :template, but it does the same. If anybody with some expertise with this integration could help... Thanks in advance, André

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  • Switching between iScroll and standard WebView Scrolling functionality

    - by Jonathan
    I'm using iScroll 4 for my rather heavy iPhone web/Phonegap app and trying to find a way to switch between iScrolls scrolling functionality and standard "native" webview scrolling, basically on click. Why I want this is described below. My app has several different subpages all in one file. Some subpages have input fields, some don't. As we all know, iScroll + input fields = you're out of luck. I've wrapped iScrolls wrapper div (and all its functionality) around the one sub page where scrolling is crucial, and where there are no input fields. The other sections, I've simply placed outside this div, which gives these no scrolling functionality at all. I've of course tried wrapping all inside the wrapper and enabling/disabling scroll (shown below) but that didn't work me at all: myScroll.disable() myScroll.enable() By placing some sub pages outside the main scrolling area / iscroll div, I've disabled both iScrolls and the standard webview scrolling (the latter - which i guess iScroll does) which leaves me with only basic basic scrolling, hence basically no scrolling at all. One can move around vertically, but once you let go of the screen with, the "scrolling" stops. Quite naturally but alas so nasty. Therefore, I'm searching for a way to enable standard webview scrolling on the sub pages placed outside of iScroll's wrapper div. I've tried different approaches such as the one above and by using: document.removeEventListener('touchmove', preventDefault, false); document.removeEventListener('touchmove', preventDefault, true); But with no success. Sorry for not providing you guys with any hard code or demos to test out for yourselves, it's simply too much code and it would be presented so out of its context, nobody would be able to debug it. So, is there a way n javascript to do this, switching between iScroll scrolling functionality and standard "native" webview scrolling? I would rather not rebuild the entire DOM framework so a solution like the one described above would be preferable.

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  • StreamReader.ReadToEnd() returning an empty string

    - by axk
    I have a method private static String DecompressAndDecode(byte[] data) { GZipStream decompressor = new GZipStream(new MemoryStream(data), CompressionMode.Decompress); StreamReader decompressed = new StreamReader(decompressor, Encoding.UTF8); String result = decompressed.ReadToEnd(); return result; } I have some GZipped text as input and the result is supposed to be a String representation of this text. The problem is that the method returns an empty string. What is puzzling me is that when I step trough the method in debug mode and reach the return statement the result variable is an empty string but if I create a watch for the decompressed.ReadToEnd() expression it returns me the text. What I would expect at this point is the result variable to contain the text and the decompressed.ReadToEnd() expression evaluating to an empty string. (Reevaluating the decompressed.ReadToEnd() expression returns an empty string as expected). There must be something obvious I'm missing here.

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  • PHP PayPal IPN - Getting drop down menu

    - by kimion09
    I'm using Paypal's buy it now buttons along with an IPN handler written in PHP to send me an e-mail whenever a purchase is made. The e-mail is properly being sent and is passing much of the data, but it's not capturing the drop down list for selecting a clothing item's size. Here's my button code fields: <input type="hidden" name="item_name" value="Test Shirt"> <input type="hidden" name="item_number" value="001"> <input type="hidden" name="on0" value="sizes"> Select a size: <select name="os0"> <option value="Small">Small </option> <option value="Medium">Medium </option> <option value="Large">Large </option> <option value="Extra Large">Extra Large </option> </select> My PHP IPN script that captures the data into variables looks like this: $item_name = $_POST['item_name']; $item_number = $_POST['item_number']; $size = $_POST['on0']; $sizeChoice = $_post['os0']; The e-mail properly displays the item name and item number, but nothing for the $size and $sizeChoice variables. It's late so I'm sure I'm looking over something very obvious but am still wondering if I'm just calling it wrong or if I'm forgetting some hidden fields? Thanks :)

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  • Proving f (f bool) = bool

    - by Marcus Whybrow
    How can I in coq, prove that a function f that accepts a bool true|false and returns a bool true|false (shown below), when applied twice to a single bool true|false would always return that same value true|false: (f:bool -> bool) For example the function f can only do 4 things, lets call the input of the function b: Always return true Always return false Return b (i.e. returns true if b is true vice versa) Return not b (i.e. returns false if b is true and vice vera) So if the function always returns true: f (f bool) = f true = true and if the function always return false we would get: f (f bool) = f false = false For the other cases lets assum the function returns not b f (f true) = f false = true f (f false) = f true = false In both possible input cases, we we always end up with with the original input. The same holds if we assume the function returns b. So how would you prove this in coq? Goal forall (f:bool -> bool) (b:bool), f (f b) = f b.

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