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  • Mapping interface or abstract class component

    - by Yann Trevin
    Please consider the following simple use case: public class Foo { public virtual int Id { get; protected set; } public virtual IBar Bar { get; set; } } public interface IBar { string Text { get; set; } } public class Bar : IBar { public virtual string Text { get; set; } } And the fluent-nhibernate map class: public class FooMap : ClassMap<Foo> { public FooMap() { Id(x => x.Id); Component(x => x.Bar, m => { m.Map(x => x.Text); }); } } While running any query with configuration, I get the following exception: NHibernate.InstantiationException: "Cannot instantiate abstract class or interface: NHMappingTest.IBar" It seems that NHibernate tries to instantiate an IBar object instead of the Bar concrete class. How to let Fluent-NHibernate know which concrete class to instantiate when the property returns an interface or an abstract base class? EDIT: Explicitly specify the type of component by writing Component<Bar> (as suggested by Sly) has no effect and causes the same exception to occur. EDIT2: Thanks to vedklyv and Paul Batum: such a mapping should be soon is now possible.

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  • asp.net mvc custom model binder

    - by mike
    pleas help guys, my custom model binder which has been working perfectly has starting giving me errors details below An item with the same key has already been added. Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code. Exception Details: System.ArgumentException: An item with the same key has already been added. Source Error: Line 31: { Line 32: string key = bindingContext.ModelName; Line 33: var doc = base.BindModel(controllerContext, bindingContext) as Document; Line 34: Line 35: // DoBasicValidation(bindingContext, doc); Source File: C:\Users\Bich Vu\Documents\Visual Studio 2008\Projects\PitchPortal\PitchPortal.Web\Binders\DocumentModelBinder.cs Line: 33 Stack Trace: [ArgumentException: An item with the same key has already been added.] System.ThrowHelper.ThrowArgumentException(ExceptionResource resource) +51 System.Collections.Generic.Dictionary2.Insert(TKey key, TValue value, Boolean add) +7462172 System.Linq.Enumerable.ToDictionary(IEnumerable1 source, Func2 keySelector, Func2 elementSelector, IEqualityComparer1 comparer) +270 System.Linq.Enumerable.ToDictionary(IEnumerable1 source, Func2 keySelector, IEqualityComparer1 comparer) +102 System.Web.Mvc.ModelBindingContext.get_PropertyMetadata() +157 System.Web.Mvc.DefaultModelBinder.BindProperty(ControllerContext controllerContext, ModelBindingContext bindingContext, PropertyDescriptor propertyDescriptor) +158 System.Web.Mvc.DefaultModelBinder.BindProperties(ControllerContext controllerContext, ModelBindingContext bindingContext) +90 System.Web.Mvc.DefaultModelBinder.BindComplexElementalModel(ControllerContext controllerContext, ModelBindingContext bindingContext, Object model) +50 System.Web.Mvc.DefaultModelBinder.BindComplexModel(ControllerContext controllerContext, ModelBindingContext bindingContext) +1048 System.Web.Mvc.DefaultModelBinder.BindModel(ControllerContext controllerContext, ModelBindingContext bindingContext) +280 PitchPortal.Web.Binders.documentModelBinder.BindModel(ControllerContext controllerContext, ModelBindingContext bindingContext) in C:\Users\Bich Vu\Documents\Visual Studio 2008\Projects\PitchPortal\PitchPortal.Web\Binders\DocumentModelBinder.cs:33 System.Web.Mvc.ControllerActionInvoker.GetParameterValue(ControllerContext controllerContext, ParameterDescriptor parameterDescriptor) +257 System.Web.Mvc.ControllerActionInvoker.GetParameterValues(ControllerContext controllerContext, ActionDescriptor actionDescriptor) +109 System.Web.Mvc.ControllerActionInvoker.InvokeAction(ControllerContext controllerContext, String actionName) +314 System.Web.Mvc.Controller.ExecuteCore() +105 System.Web.Mvc.ControllerBase.Execute(RequestContext requestContext) +39 System.Web.Mvc.ControllerBase.System.Web.Mvc.IController.Execute(RequestContext requestContext) +7 System.Web.Mvc.<c_DisplayClass8.b_4() +34 System.Web.Mvc.Async.<c_DisplayClass1.b_0() +21 System.Web.Mvc.Async.<c_DisplayClass81.b_7(IAsyncResult _) +12 System.Web.Mvc.Async.WrappedAsyncResult1.End() +59 System.Web.Mvc.MvcHandler.EndProcessRequest(IAsyncResult asyncResult) +44 System.Web.Mvc.MvcHandler.System.Web.IHttpAsyncHandler.EndProcessRequest(IAsyncResult result) +7 System.Web.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +8677678 System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +155 any ideas guys? Thanks

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  • Making a Text-To-Speech Wrapper in Android

    - by John Montgomery
    I am attempting to create a wrapper class for Google Android's Text-To-Speech functionality. However, I'm having trouble finding a way to have the system pause until after the onInit function has finished. Attached at the bottom is something of a solution I created based on what I found here: http://stackoverflow.com/questions/1160876/android-speech-how-can-you-read-text-in-android However, this solution does not seem to work. Any thoughts on why this might not be working, or what would be a good idea in order to make sure that any Speak() calls happen after my onInit() call? public class SpeechSynth implements OnInitListener { private TextToSpeech tts; static final int TTS_CHECK_CODE = 0; private int ready = 0; private ReentrantLock waitForInitLock = new ReentrantLock(); SpeechSynth( Activity screen ) { ready = 0; tts = new TextToSpeech( screen, this ); waitForInitLock.lock(); } public void onInit(int status) { if (status == TextToSpeech.SUCCESS) { ready = 1; } waitForInitLock.unlock(); } public int Speak( String text ) { if( ready == 1 ) { tts.speak(text, TextToSpeech.QUEUE_ADD, null); return 1; } else { return 0; } } } I have been able to make it so that I can pass a string of text through the constructor, then have it played in the onInit() function. However, I would really like to avoid having to destroy and re-create the whole text-to-speech engine every time I need to have my program say something different.

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  • Using sqlite from vala without dependence on glib

    - by celil
    I need to use the Sqlite vapi without any depedence on GLib. SQlite is non-gobject library, so it should be possible to do that. However, when I try to compile the following file with the --profile posix option, using Sqlite; void main() { stdout.printf("Hello, World!"); } I get am error messages: sqlite3.vapi:357.56-357.59: error: The symbol `GLib' could not be found public int bind_blob (int index, void* value, int n, GLib.DestroyNotify destroy_notify); ^^^^ sqlite3.vapi:362.68-362.71: error: The symbol `GLib' could not be found public int bind_text (int index, owned string value, int n = -1, GLib.DestroyNotify destroy_notify = GLib.g_free); ^^^^ sqlite3.vapi:411.42-411.45: error: The symbol `GLib' could not be found public void result_blob (uint8[] data, GLib.DestroyNotify? destroy_notify = GLib.g_free); ^^^^ sqlite3.vapi:420.59-420.62: error: The symbol `GLib' could not be found public void result_text (string value, int length = -1, GLib.DestroyNotify? destroy_notify = GLib.g_free); ^^^^ Compilation failed: 4 error(s), 0 warning(s) It seems that several of the functions defined in the sqlite vapi make references to the GLib.g_free and GLib.DestroyNotify symbols. Are there any posix alternatives to those?

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  • Why is WCF Stream response getting corrupted on write to disk?

    - by Alvin S
    I am wanting to write a WCF web service that can send files over the wire to the client. So I have one setup that sends a Stream response. Here is my code on the client: private void button1_Click(object sender, EventArgs e) { string filename = System.Environment.CurrentDirectory + "\\Picture.jpg"; if (File.Exists(filename)) File.Delete(filename); StreamServiceClient client = new StreamServiceClient(); int length = 256; byte[] buffer = new byte[length]; FileStream sink = new FileStream(filename, FileMode.CreateNew, FileAccess.Write); Stream source = client.GetData(); int bytesRead; while ((bytesRead = source.Read(buffer,0,length))> 0) { sink.Write(buffer,0,length); } source.Close(); sink.Close(); MessageBox.Show("All done"); } Everything processes fine with no errors or exceptions. The problem is that the .jpg file that is getting transferred is reported as being "corrupted or too large" when I open it. What am I doing wrong? On the server side, here is the method that is sending the file. public Stream GetData() { string filename = Environment.CurrentDirectory+"\\Chrysanthemum.jpg"; FileStream myfile = File.OpenRead(filename); return myfile; } I have the server configured with basicHttp binding with Transfermode.StreamedResponse.

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  • validate that URI is valid http URI

    - by Alfred
    Hi all, My problem: First of hopefully this is not a duplicate, but I could not find the right answer(right away). I would like to validate that an URI(http) is valid in Java. I came up with the following tests but I can't get them to pass. First I used getPort(), but then http://www.google.nl will return -1 on getPort(). This are the test I want to have passed Test: @Test public void testURI_Isvalid() throws Exception { assertFalse(HttpUtils.validateHTTP_URI("ttp://localhost:8080")); assertFalse(HttpUtils.validateHTTP_URI("ftp://localhost:8080")); assertFalse(HttpUtils.validateHTTP_URI("http://localhost:8a80")); assertTrue(HttpUtils.validateHTTP_URI("http://localhost:8080")); final String justWrong = "/schedule/get?uri=http://localhost:8080&time=1000000"; assertFalse(HttpUtils.validateHTTP_URI(justWrong)); assertTrue(HttpUtils.validateHTTP_URI("http://www.google.nl")); } This is what I came up with after I removed the getPort() part but this does not pass all my unit tests. Production code: public static boolean validateHTTP_URI(String uri) { final URI u; try { u = URI.create(uri); } catch (Exception e1) { return false; } return "http".equals(u.getScheme()); } This is the first test that is failing because I am no longer validating the getPort() part. Hopefully somebody can help me out. I think I am not using the right class to validate url's?? P.S: I don't want to connect to the server to validate the URI is correct. At least not yet in this step. I only want to validate scheme.

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  • How to mock HTTPSession/FlexSession with TestNG and some Mocking Framework

    - by ifischer
    I'm developing a web application running on Tomcat 6, with Flex as Frontend. I'm testing my backend with TestNG. Currently, I'm trying to test the following method in my Java-Backend: public UserPE login(String mail, String password) { UserPE dbuser = findUserByMail(mail); if (dbuser == null || !dbuser.getPassword().equals(password)) throw new RuntimeException("Invalid username and/or password"); // Save logged in user FlexSession session = FlexContext.getFlexSession(); session.setAttribute("user", dbuser); return dbuser; } The method needs access to the FlexContext which only exists when i run it on the Servlet container (don't bother if you don't know Flex, it's more a Java-Mocking question in general). Otherwise i get a Nullpointer exception when calling session.setAttribute(). Unfortunately, I cannot set the FlexContext from outside, which would make me able to set it from my tests. It's just obtained inside the method. What would be the best way to test this method with a Mocking framework, without changing the method or the class which includes the method? And which framework would be the easiest for this use case (there are hardly other things i have to mock in my app, it's pretty simple)? Sorry I could try out all of them for myself and see how i could get this to work, but i hope that i'll get a quickstart with some good advices!

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  • pagination for displaytag with colorbox in Spring framework

    - by Hitesh Solanki
    Hi..... I want to display the pop up for user selection using colorbox. I have put link on manageblacklist.jsp named 'select'. when I click on 'select' link ,colorbox is displayed. all user is displayed but pagination is not worked. I have used display tag for pagination. Without using colorbox, pagination is worked fine. I have used spring framework. The code of manageblacklist.jsp is given below: <%@ page contentType="text/html" pageEncoding="UTF-8" import="java.util.*"%> <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <%@ include file="/WEB-INF/jsp/include.jsp" %> <%@ taglib prefix="form" uri="http://www.springframework.org/tags/form" %> <%@ taglib uri="http://displaytag.sf.net" prefix="display" %> <%@ page import="com.sufalam.mailserver.bean.User"%> <%@ page import="javax.servlet.http.HttpSession" %> <% String pageSize = (String) request.getAttribute("pageSize"); System.out.println("page size:" + pageSize); HttpSession session1 = request.getSession(); List<User> userList = (List<User>) session1.getAttribute("userList"); Iterator iterator = userList.iterator(); String user = (String) request.getAttribute("user"); System.out.println("user in the jsp :" + user); %> <html> <head> <script type="text/javascript" src="js/jquery142.js"></script> <script type="text/javascript" src="js/jquery.colorbox.js"></script> <link rel="stylesheet" href="style/colorbox.css" type="text/css"> <script type="text/javascript"> $(document).ready(function(){ //Examples of how to assign the ColorBox event to elements $(".example5").colorbox(); //Example of preserving a JavaScript event for inline calls. $("#click").click(function(){ $('#click').css({"background-color":"#f00", "color":"#fff", "cursor":"inherit"}).text("Open this window again and this message will still be here."); return false; }); }); </script> <script type="text/javascript"> function changePageSize() { var myValue = document.getElementById("combo1").value; document.getElementById("selectedPageSize").value=myValue; document.whitelistBlacklistForm.submit(); } function selectAll() { var selectAll = document.getElementById("checkAll"); var returnById = document.getElementsByName("check"); var i; var val; if (selectAll.checked == true) { val = true; } else { val = false; } for (i = 0; i < returnById.length; i++) { returnById[i].checked = val; } } function onload() { insertNavigation ('insertHereTop', 'insertHereBottom'); } function insertNavigation( topElementID, BottomElementID ) { if ( document.getElementById('pagingBanner') ){ document.getElementById(topElementID).innerHTML=document.getElementById('pagingBanner').innerHTML; document.getElementById(BottomElementID).innerHTML=document.getElementById('pagingBanner1').innerHTML; } } function confirmDelete() { if (confirm("Are you sure you want to delete selected records?")) { flag = 1; return true; } else { return false; } } function loadModels() { var flag=true; var textValue = document.getElementById('txtuser'); $.getJSON("ajaxblacklist.htm", // url { param :textValue.value }, // request params function(json) { // callback // var options = '<table class="displayTable" cellspacing="0"><thead><tr><th align = "center">Blacklisted Sender</th>'+ // '<th align ="center">Delete</th></tr></thead><tbody>'; var options = '<table width="100%" border="0" cellspacing="0" cellpadding="0"><tr><td style="background:url(images/leftbg.gif) repeat-y; width:8px;"></td>' + '<td class="middlesection"><table width="100%" border="0" cellspacing="0" cellpadding="0"><tr>' + '<td height="30" class="p10"><table width="100%" border="0" cellspacing="0" cellpadding="0" class="allboder" >' + '<tr><td class="tebelhd"> Blacklisted Sender </td></tr>'; for (i in json) { var state = json[i]; for(j in state){ var op = state[j]; if(op.length==undefined){ options += '<tr><td class="tdhd"><table width="0%" border="0" cellspacing="0" cellpadding="0"><tr><td width="741">'+ state[j].senderEmail + '</td><td align="center" width="148"><a href="managewhitelistblacklist.htm?sender='+state[j].senderEmail+'&recipient='+ state[j].recipientEmail+'&action=delete"><span> <img src="/MailServerV2/images/delete.gif"/> </span></a></td></tr></table></td></tr>'; break; } for(k in op) { if(flag == true) { flag = false; options += '<tr><td class="tdhd"><table width="0%" border="0" cellspacing="0" cellpadding="0"><tr>'; } else { flag = true; options += '<tr><td class="tdhd2"><table width="0%" border="0" cellspacing="0" cellpadding="0"><tr>'; } options += '<td width="741">'+ op[k].senderEmail +'</td><td align="center" width="148"><a href="managewhitelistblacklist.htm?sender='+op[k].senderEmail+'&recipient='+op[k].recipientEmail+'&action=delete"><span> <img src="/MailServerV2/images/delete.gif"/> </span></a></td></tr></table></td></tr>'; } } } options += '</td></tr></table>'; $("div[name^=blacklist]").html(options); }); } </script> </head> <body> <table width="" border="0" align="center" cellpadding="0" cellspacing="0" class="maintable"> <tr> <td class="topsection"><table width="100%" border="0" cellspacing="0" cellpadding="0"> <tr> <td valign="top" align="center" class="middlesection" ><table width="96%" border="0" cellspacing="0" cellpadding="0"> <tr> <td >&nbsp;</td> </tr> <tr> <td> <table width="100%" border="0" cellspacing ="0" cellpadding="0"> <tr> <td> <table width="100%" border="0" cellspacing="0" cellpadding="3"> <tr> <td align="left" valign="middle"><h1>Manage Blacklist</h1></td> <td align="right" valign="bottom"><div style="float:right;"><a href="savewhitelistblacklist.htm" class="buttonash"><span>Create Whitelist Blacklist </span></a></div></td> </tr> </table></td> </tr> <tr> <td class="bottomboder"><img src="images/ashish.gif" height="1" /></td> </tr> </table> </td> </tr> <tr> <td>&nbsp;</td> </tr> <tr> <td> </td> </tr> <tr> <td> <div id="TabbedPanels1" class="TabbedPanels"/> <div style="display: block;" class="TabbedPanelsContent"/> <div align="left" class="tebelhd"> Blacklist Information </div><div class="entry-edit"> <div class="fieldset" id="base_fieldset"> <div class="hor-scroll_1" align="left"> <fieldset Class="label1css" style="color:#666666"> <legend>Fields</legend> <table> <tr> <td align="right"> Recipient Email : </td> <td><input type="text" id="txtuser" name="txtuser" <% if (user != null) { %> value="<%=user%>" <% } else { %> value="" <% } %> /> </td> <td><a href="#" class="buttonash" onclick="loadModels()"><span>Search</span></a></td> <!-- <td><a href="javascript:void(0)" class="buttonash" onclick="window.open('selectuser.htm','selectuser','width=600,height=400,menubar=yes,status=yes,location=yes,toolbar=yes,scrollbars=yes');" ><span>Select</span></a></td>--> <td><a href="selectuser.htm" class="example5 buttonash" ><span>Select</span></a> </td> <td align="right"> </td> </tr> </table> </fieldset> <div id="blacklist" name="blacklist"></div> </div> </div> </div> </td> </tr> </table> </td> </tr> </table> </td> <!-- InstanceEndEditable --> <td style="background:url(images/rightbg.gif) repeat-y; width:8px;"></td> </tr> </table> <% // session1.removeAttribute("user"); %> </body> </html> So , please tell me how to work pagination .... Thanks in advanced...

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  • XML serialization query

    - by David Neale
    I have the following XML which needs deserializing/serializing: <instance> <dog> <items> <item> <label>Spaniel</label> </item> </items> </dog> <cat> <items> <item> <label>Tabby</label> </item> </items> </cat> </instance> I cannot change the XML structure. I need to map this to the following class: [Serializable, XmlRoot("instance")] public class AnimalInstance { public string Dog { get; set; } public string Cat { get; set; } } I'm not really sure where to start on this one without manually parsing the XML. I'd like to keep the code as brief as possible. Any ideas? (and no, my project doesn't actually involve cats and dogs).

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  • establishing a socket connection from iPhone to MAC/PC

    - by user319572
    Hello, I just started getting into XCode and Co. What I am trying is to send accelerometer data via WLAN to a PC or MAC over a Socket connection. I am trying at the moment with the iPhone simulator, on the other site a netbook with a JAVA program shall receive a test string for starters. Unfortunately my socket will not initialize. What am I doing wrong? NSString *recStr = @"192.168.0.5"; //String with receiver IP NSHost *hoster = [NSHost hostWithName:recStr]; //create a host NSOutputStream *sendData; //create an output stream [NSStream getStreamsToHost:hoster port:8000 inputStream:nil outputStream:&sendData]; [sendData retain]; [sendData setDelegate:self]; [sendData open]; A warning says NSStream may not respond to '+getStreamsToHost:inputSream:outputStream:' So I guess parameters are wrong. But why and how to do it right? The program starts but I don't think I can send anything as long as this warning shows up (have not tried though). Thank you in advance, Andreas

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  • How to Global onRouteRequest directly to onBadRequest?

    - by virtualeyes
    EDIT Came up with this to sanitize URI date params prior to passing off to Play router val ymdMatcher = "\\d{8}".r // matcher for yyyyMMdd URI param val ymdFormat = org.joda.time.format.DateTimeFormat.forPattern("yyyyMMdd") def ymd2Date(ymd: String) = ymdFormat.parseDateTime(ymd) override def onRouteRequest(r: RequestHeader): Option[Handler] = { import play.api.i18n.Messages ymdMatcher.findFirstIn(r.uri) map{ ymd=> try { ymd2Date( ymd); super.onRouteRequest(r) } catch { case e:Exception => // kick to "bad" action handler on invalid date Some(controllers.Application.bad(Messages("bad.date.format"))) } } getOrElse(super.onRouteRequest(r)) } ORIGINAL Let's say I want to return a BadRequest result type for all /foo URIs: override def onBadRequest(r: RequestHeader, error: String) = { BadRequest("Bad Request: " + error) } override def onRouteRequest(r: RequestHeader): Option[Handler] = { if(r.uri.startsWith("/foo") onBadRequest("go away") else super.onRouteRequest(r) } Of course does not work, since the expected return type is Option[play.api.mvc.Handler] What's the idiomatic way to deal with this, create a default Application controller method to handle filtered bad requests? Ideally, since I know in onRouteRequest that /foo is in fact a BadRequest, I'd like to call onBadRequest directly. Should note that this is a contrived example, am actually verifying a URI yyyyMMdd date param, and BadRequest-ing if it does not parse to a JodaTime instance -- basically a catch-all filter to sanitize a given date param rather than handling on every single controller method call, not to mention, avoiding cluttering up application log with useless stack traces re: invalid date parse conversions (have several MBs of these junk trace entries accruing daily due to users pointlessly manipulating the uri date in attempts to get at paid subscriber content)

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  • Returning UTF-8 from a web service

    - by Marco Shaw
    Previous: Returning info from a Web Service I thought the previous answer made 100% sense, and I though I was out of the woods, but it still fails. An app I'm working with still seems to think what is being returned from the web service is ASCII encoded. Debugging it shows: <Envelope><Body><ReturnOneResponse><ReturnOneResult>&lt;xml version="1.0" encoding="UTF-8"&gt;&lt;Entry&gt;&lt;Symbol&gt;PACR&lt;/Symbol&gt;&lt;Company&gt;Pacer International, Inc.&lt;/Company&gt;&lt;MarketCap&gt;$229.0M&lt;/MarketCap&gt;&lt;PE&gt;18.7&lt;/PE&gt;&lt;Price&gt;6.56&lt;/Price&gt;&lt;Change&gt;0.42&lt;/Change&gt;&lt;PctChange&gt;6.84%&lt;/PctChange&gt;&lt;YTDChange&gt;107.59%&lt;/YTDChange&gt;&lt;/Entry&gt;</ReturnOneResult></ReturnOneResponse></Body></Envelope> So everything being returned from the web service seems to be changed into ASCII, and seems to refuse to read as UTF-8. Since my previous code in the above link, I also changed my string invocation: string value = @""; Still, that didn't help. Any other ideas?

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  • Pseudocode: a clear definition?

    - by Cian E
    The following code is an example of what I think would qualify as pseudocode, since it does not execute in any language but the logic is correct. string checkRubric(gpa, major) bool brake = false num lastRange num rangeCounter string assignment = "unassigned" array bus['business']= array('person a'=>array(0, 2.9), 'person b'=>array(3, 4)) array cis['computer science']= array('person c'=>array(0, 2.9), 'person d'=>array(3, 4)) array lib['english']= array('person e'=>array(0, 4)) array rubric = array(bus, cis, lib) foreach (rubric as fieldAr) foreach (fieldAr as field => advisorAr) if (major == field) foreach (advisorAr as advisor => gpaRangeAr) rangeCounter = 0 foreach (gpaRangeAr as gpaValue) if (rangeCounter < 1) lastRange = gpaValue else if (gpa >= lastRange && gpa <= gpaValue) assignment = advisor brake = true break endif rangeCounter++ endforeach if (brake == true) break endif endforeach if (brake == true) break endif endif endforeach if (brake == true) break endif endforeach return assignment For the past couple of weeks I've been trying to create a clear definition of what pseudocode actually is. Is it relative to the programmer or is there an actual clearcut syntax? I say pseudocode is any code that does not execute, how about you? Thanks (links to this subject welcome)

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  • Python dictionary formating

    - by None
    I made a python function to convert dictionaries to formatted strings. My goal was to have a function take a dictionary for input and turn it into a string that looked good. For example, something like "{'text':'Hello', 'blah':{'hi':'hello','hello':'hi'}}" would be turned into this: text: Hello blah: hi: hello hello: hi This is the code I wrote: indent = 0 def format_dict(d): global indent res = "" for key in d: res += (" " * indent) + key + ":\n" if not type(d[key]) == type({}): res += (" " * (indent + 1)) + d[key] + "\n" else: indent += 1 res += format_dict(d[key]) indent -= 1 return res #test print format_dict({'key with text content':'some text', 'key with dict content': {'cheese': 'text', 'item':{'Blah': 'Hello'}}}) It works like a charm. It checks if the dictionary item is another dictionary, in which it process that, or something else, in which it would use that as the value. The problem is: I can't have a dictionary and a string together in a dictionary item. For example: if I wanted blah: hi hello: hello again there'd be no way to do it. Is there some way I could have something like a list item in a dictionary. Something like this "{'blah':{'hi', 'hello':'hello again'}}"? And if you provide a solution could you tell me how I would need to change my code (if it did require changes). Note: I am using python 2.5

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  • Linux Device Driver - what's wrong with my device_read()?

    - by Rob
    My device /dev/my_inc is meant to take a positive integer N represented as an ascii string, and store it. Any read from /dev/my_inc will produce the ascii string representation of N + 1. The problem is that when I cat /dev/my_inc, I only get the first byte of myinc_value output to my shell, even though I have bytes_read == 2 at the end of my loop. /* Read from the device *********************/ static ssize_t device_read(struct file *filp, char *buffer, size_t length, loff_t *offset) { char c; int bytes_read = 0; int value = myinc_value + 1; printk(KERN_INFO "my_inc device_read() called with value %d and msg %s.\n", value, msg); /* No bytes read if pointer to 0 */ if (*msg_ptr == 0) return 0; /* Put the incremented value in msg */ snprintf(msg, MAX_LENGTH, "%d", value); /* Put bytes from msg into user space buffer */ while (length && *msg_ptr) { c = *(msg_ptr++); printk(KERN_INFO "%s device_read() read %c.", DEV_NAME, c); if(put_user(c, buffer++)) return -EFAULT; length--; bytes_read++; } printk("my_inc device_read() returning %d.\n", bytes_read); /* Return bytes copied */ return bytes_read; }

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  • Automatic INotifyPropertyChanged Implementation through T4 code generation?

    - by chrischu
    I'm currently working on setting up a new project of mine and was wondering how I could achieve that my ViewModel classes do have INotifyPropertyChanged support while not having to handcode all the properties myself. I looked into AOP frameworks but I think they would just blow up my project with another dependency. So I thought about generating the property implementations with T4. The setup would be this: I have a ViewModel class that declares just its Properties background variables and then I use T4 to generate the Property Implementations from it. For example this would be my ViewModel: public partial class ViewModel { private string p_SomeProperty; } Then T4 would go over the source file and look for member declarations named "p_" and generate a file like this: public partial class ViewModel { public string SomeProperty { get { return p_SomeProperty; } set { p_SomeProperty= value; NotifyPropertyChanged("SomeProperty"); } } } This approach has some advantages but I'm not sure if it can really work. So I wanted to post my idea here on StackOverflow as a question to get some feedback on it and maybe some advice how it can be done better/easier/safer.

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  • XMPP SASL authentication on Ejabberd with PHP

    - by bucabay
    I'm trying to authenticate with an XMPP server using SASL. /** * Send Authentication, SASL * @return Bool * @param $username String * @param $password String */ function authenticate($username, $password) { $this->username = $username; $this->password = $password; var_dump($username, $password, $this->domain); $auth = base64_encode($username.'@'.$this->domain."\u0000".$username."\u0000".$password); $xml = '<auth mechanism="PLAIN" xmlns="urn:ietf:params:xml:ns:xmpp-sasl">'.$auth.'</auth>'; if ($this->write($xml)) { if ($xml = $this->listen(1, true)) { if (preg_match("/<success/i", $xml)) { $this->authenticated = $this->_sendStream(); } } } $this->events->trigger('authenticate', $this->authenticated); return $this->authenticated; } The XMPP server however responds with: <failure xmlns='urn:ietf:params:xml:ns:xmpp-sasl'><bad-protocol/></failure> This is against an Ejabberd server. When I open the XMPP stream, it advertises: <stream:features><starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'/><mechanisms xmlns='urn:ietf:params:xml:ns:xmpp-sasl'><mechanism>DIGEST-MD5</mechanism><mechanism>PLAIN</mechanism></mechanisms><register xmlns='http://jabber.org/features/iq-register'/></stream:features> So it seams to me that SASL - PLAIN should work. I have a JavaScript version, that works perfectly on OpenFire server. (I can't test it on Ejabberd at the moment) sendAuthentication: function() { clearTimeout(XMPP.sendAuthentication_timer); var auth = Base64.encode(XMPP.username+'@'+XMPP.domain+'\u0000'+XMPP.username+'\u0000'+XMPP.password); mySocket.events.receive.observe(XMPP.receivedAuthSuccess, function() { mySocket.send('<auth mechanism="PLAIN" xmlns="urn:ietf:params:xml:ns:xmpp-sasl">' + auth + '</auth>'); }); } So I can't get why the PHP version is not working.

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  • JQuery BlockUI - How to unblock UI after file download?

    - by Dan
    Using ASP.Net, JQuery and BlockUI, I'm trying to unblock the UI after a download file dialog is shown. I block the UI when export button is clicked: <script type="text/javascript"> $(document).ready(function(){ $('#<%= BtnExport.ClientID%>').click(function(){ $.blockUI(); }); }); </script> After this, I generate the file server side using: private void SendFileToUser(byte[] file, string contentType, string filename) { Response.Clear(); Response.ContentType = contentType; Response.AppendHeader("Content-Disposition", "attachment; filename="+filename); Response.OutputStream.Write(file,0,file.Length); Response.OutputStream.Flush(); Response.End(); } After this code has executed, I would like to unblock the UI. I have considered different options: Poll using Ajax calls to see if the file has been generated. Store the file in Session and redirect to same page and generate download then. But both options seem ackward, and I think there must be a clever JavaScript way to get a handle on or wait for a file dialog. Any suggestions?

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  • Find, Find Next?

    - by Tanner
    Hello everyone, I am trying to make a find, find next function for my program, which I did manage to do with this code: int findPos = 0; private void button1_Click(object sender, EventArgs e) { try { string s = textBox1.Text; richTextBox1.Focus(); findPos = richTextBox1.Find(s, findPos, RichTextBoxFinds.None); richTextBox1.Select(findPos, s.Length); findPos += textBox1.Text.Length; //i = richTextBox1.Find(s, i + s.Length, RichTextBoxFinds.None); } catch { MessageBox.Show("No Occurences Found"); findPos = 0; } } And it works great in form1 but if I use this code and try to call it from form2 It doesn't do anything: //Form1 public void FindNext() { try { this.Focus(); Form2 frm2 = new Form2(); string s = frm2.textBox1.Text; richTextBox1.Focus(); findPos = richTextBox1.Find(s, findPos, RichTextBoxFinds.None); richTextBox1.Select(findPos + 1, s.Length); findPos += textBox1.Text.Length; } catch { MessageBox.Show("No Occurences Found"); findPos = 0; } } //Form2 private void button1_Click(object sender, EventArgs e) { Form1 frm1 = new Form1(); frm1.FindNext(); } Does any one know why this is? Thanks,Tanner.

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  • Is VB Really Case Insensitive?

    - by Otaku
    I'm not trying to start an argument here, but for whatever reason it's typically stated that VB is case insensitive and C languages aren't (and somehow that is a good thing). But here's my question: Where exactly is VB case insensitive? When I type... Dim ss As String Dim SS As String ...into the VS2008 IDE the second one has a warning of "Local variable 'SS' is already declared in the current block". In VBA VBE, it doesn't immediately kick an error, but rather just auto-corrects the case. Am I missing something here with this argument that VB is not case sensitive? (Also, if you know or care to answer, why would that be a bad thing?) EDIT: Why am I even asking this question? I've used VB in many of it's dialects for years now, sometimes as a hobbyist, sometimes for small business-related programs in a workgroup. As of the last 6 months I've been working on a big project, much bigger than I anticipated. Much of the sample source code out there is in C#. I don't have any burning desire to learn C#, but if there are things I'm missing out on that C# offers that VB doesn't (an opposite would be VB.NET offers XML Literals), then I'd like to know more about that feature. So in this case, it's often argued that C languages are case sensitive and that's good and VB is case insensitive and that is bad. I'd like to know A) how exactly is VB case insensitive because every single example in the code editor becomes case sensititive (meaning case gets corrected) whether I want it or not and B) is this compelling enough for me to consider moving to C# if VB.NET case is somehow limiting what I could do with code?

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  • Call asp.net mvc Html Helper within custom html helper with expression parameter

    - by Frank Michael Kraft
    I am trying to write an html helper extension within the asp.net mvc framework. public static MvcHtmlString PlatformNumericTextBoxFor<TModel>(this HtmlHelper instance, TModel model, Expression<Func<TModel,double>> selector) where TModel : TableServiceEntity { var viewModel = new PlatformNumericTextBox(); var func = selector.Compile(); MemberExpression memExpession = (MemberExpression)selector.Body; string name = memExpession.Member.Name; var message = instance.ValidationMessageFor<TModel, double>(selector); viewModel.name = name; viewModel.value = func(model); viewModel.validationMessage = String.Empty; var result = instance.Partial(typeof(PlatformNumericTextBox).Name, viewModel); return result; } The line var message = instance.ValidationMessageFor<TModel, double>(selector); has a syntax error. But I do not understand it. The error is: Fehler 2 "System.Web.Mvc.HtmlHelper" enthält keine Definition für "ValidationMessageFor", und die Überladung der optimalen Erweiterungsmethode "System.Web.Mvc.Html.ValidationExtensions.ValidationMessageFor(System.Web.Mvc.HtmlHelper, System.Linq.Expressions.Expression)" weist einige ungültige Argumente auf. C:\Projects\WorkstreamPlatform\WorkstreamPlatform_WebRole\Extensions\PlatformHtmlHelpersExtensions.cs 97 27 WorkstreamPlatform_WebRole So according to the message, the parameter is invalid. But the method is actually declared like this: public static MvcHtmlString ValidationMessageFor<TModel, TProperty>(this HtmlHelper<TModel> htmlHelper, Expression<Func<TModel, TProperty>> expression); So actually it should work.

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  • HttpServletRequest#login() not working in Java.

    - by Nitesh Panchal
    Hello, j_security_check just doesn't seem enough for me to perform login process. So, instead of submitting the form to j_security_check i created my own servlet and in that i am programmatically trying to do login. This works but i am not able to redirect to my restricted resource. Can anybody tell me what can be the problem? This is processRequest method of my servlet :- protected void processRequest(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { response.setContentType("text/html;charset=UTF-8"); PrintWriter out = response.getWriter(); try { String strUsername = request.getParameter("txtusername"); String strPassword = request.getParameter("txtpassword"); if(strUsername == null || strPassword == null || strUsername.equals("") || strPassword.equals("")) throw new Exception("Username and/or password missing."); request.login(strUsername, strPassword); System.out.println("Login succeeded!!"); if(request.isUserInRole(ROLES.ADMIN.getValue())){//enum System.out.println("Found in Admin Role"); response.sendRedirect("/Admin/home.jsf"); } else if (request.isUserInRole(ROLES.GENERAL.getValue())) response.sendRedirect("/Common/index.jsf"); else //guard throw new Exception("No role for user " + request.getRemoteUser()); }catch(Exception ex){ //patch work why there needs to be blogger here? System.out.println("Invalid username and/or password!!"); response.sendRedirect("/Common/index.jsf"); }finally { out.close(); } } Everything works fine and i can even see message "Found in Admin Role" but problem is even after authenticating i am not able to redirect my request to some other page. Please help geeks.

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  • Problem upgrading eclipse rcp app from 3.3 to 3.5 on Mac OS

    - by Alb
    I previously had an eclipse rcp app based on eclipse 3.3 pugins deployed on both windows and mac OS X 10.4. i'm now trying to port the app to java 1.6 and eclipse 3.5 (Build id: 20100218-1602) plugins on Mac OS X 10.5.8 (Leopard). I can launch the product from eclipse 3.5 on windows but not on Mac OS X. I have the 64bit cocoa eclipse IDE and java 6. In the launch configuration I set runtime JRE to JVM 1.6.0 and added required plugins. The plugins validate and everything else looks similar to windows configuration where it works, but when I launch i only get the following two lines in the console: 2010-03-16 13:29:32.742 java[758:10b] [Java CocoaComponent compatibility mode]: Enabled 2010-03-16 13:29:32.744 java[758:10b] [Java CocoaComponent compatibility mode]: Setting timeout for SWT to 0.100000 and then the program appears to just hang indefinitely. There is nothing written to the .log file so I'm not sure what error there is. EDIT: Here's what Yourkit profiling says before all cpu activity stops. +----------------------------------------------------------------------------+----------------+-----------------+ | Name | Time (ms) | Own Time (ms) | +----------------------------------------------------------------------------+----------------+-----------------+ | +---<All threads> | 2,799 100 % | | | | | | | | +---org.eclipse.equinox.launcher.Main.main(String[]) | 1,924 69% | 0 | | | | | | | +---org.eclipse.osgi.framework.eventmgr.EventManager$EventThread.run() | 632 23 % | 0 | | | | | | | +---java.lang.Thread.run() | 135 5 % | 0 | | | | | | | +---java.lang.ClassLoader.loadClassInternal(String) | 106 4 % | 0 | +----------------------------------------------------------------------------+----------------+-----------------+ , and this in the exceptions tab: Exception staticstics +----------------------------------------+--------------+ | Name | Count | +----------------------------------------+--------------+ | +---java.lang.ClassNotFoundException | 102 11 % | | | | | | +---java.net.MalformedURLException | 4 0 % | | | | | | +---java.lang.NoSuchMethodException | 3 0 % | | | | | | +---java.lang.NumberFormatException | 2 0 % | | | | | | +---java.io.FileNotFoundException | 1 0 % | | | | | | +---java.lang.UnsatisfiedLinkError | 1 0 % | +----------------------------------------+--------------+ and here's more details on the ClassNotFoundExceptions mentioned above: java.lang.ClassNotFoundException Start Level Event Dispatcher native ID: 0x8B0B group: 'main' 78 Thread-4 native ID: 0x10B group: 'main' 22 Framework Event Dispatcher native ID: 0xD207 group: 'main' 2 Anyone know why I don't see a trace for this in Eclipse or in any log files? any ideas where I should look? [Updated on: Tue, 16 March 2010 09:37]

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  • RhinoMocks Testing callback method

    - by joblot
    Hi All I have a service proxy class that makes asyn call to service operation. I use a callback method to pass results back to my view model. Doing functional testing of view model, I can mock service proxy to ensure methods are called on the proxy, but how can I ensure that callback method is called as well? With RhinoMocks I can test that events are handled and event raise events on the mocked object, but how can I test callbacks? ViewModel: public class MyViewModel { public void GetDataAsync() { // Use DI framework to get the object IMyServiceClient myServiceClient = IoC.Resolve<IMyServiceClient>(); myServiceClient.GetData(GetDataAsyncCallback); } private void GetDataAsyncCallback(Entity entity, ServiceError error) { // do something here... } } ServiceProxy: public class MyService : ClientBase, IMyServiceClient { // Constructor public NertiAdminServiceClient(string endpointConfigurationName, string remoteAddress) : base(endpointConfigurationName, remoteAddress) { } // IMyServiceClient member. public void GetData(Action<Entity, ServiceError> callback) { Channel.BeginGetData(EndGetData, callback); } private void EndGetData(IAsyncResult result) { Action<Entity, ServiceError> callback = result.AsyncState as Action<Entity, ServiceError>; ServiceError error; Entity results = Channel.EndGetData(out error, result); if (callback != null) callback(results, error); } } Thanks

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  • Why this strange behavior of sqlbulkcopy in a asp.net website running under iis?

    - by Pandiya Chendur
    I'm using SqlClient.SqlBulkCopy to try and bulk copy a csv file into a database. I am getting the following error after calling the ..WriteToServer method. "The given value of type String from the data source cannot be converted to type bit of the specified target column." Here is my code, dt.Columns.Add("IsDeleted", typeof(byte)); dt.Columns.Add(new DataColumn("CreatedDate", typeof(DateTime))); foreach (DataRow dr in dt.Rows) { if (dr["MobileNo2"] == "" && dr["DriverName2"] == "") { dr["MobileNo2"] = null; dr["DriverName2"] = ""; } dr["IsDeleted"] = Convert.ToByte(0); dr["CreatedDate"] = Convert.ToDateTime(System.DateTime.Now.ToString()); } string connectionString = System.Configuration.ConfigurationManager. ConnectionStrings["connectionString"].ConnectionString; SqlBulkCopy sbc = new SqlBulkCopy(connectionString); sbc.DestinationTableName = "DailySchedule"; sbc.ColumnMappings.Add("WirelessId", "WirelessId"); sbc.ColumnMappings.Add("RegNo", "RegNo"); sbc.ColumnMappings.Add("DriverName1", "DriverName1"); sbc.ColumnMappings.Add("MobileNo1", "MobileNo1"); sbc.ColumnMappings.Add("DriverName2", "DriverName2"); sbc.ColumnMappings.Add("MobileNo2", "MobileNo2"); sbc.ColumnMappings.Add("IsDeleted", "IsDeleted"); sbc.ColumnMappings.Add("CreatedDate", "CreatedDate"); sbc.WriteToServer(dt); sbc.Close(); There is no error when running under visual studio developement server but it gives me an error when running under iis..... Here is my sql server table details, [Id] [int] IDENTITY(1,1) NOT NULL, [WirelessId] [int] NULL, [RegNo] [nvarchar](50) NULL, [DriverName1] [nvarchar](50) NULL, [MobileNo1] [numeric](18, 0) NULL, [DriverName2] [nvarchar](50) NULL, [MobileNo2] [numeric](18, 0) NULL, [IsDeleted] [tinyint] NULL, [CreatedDate] [datetime] NULL,

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