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• Dozer deep mapping not working

  - by user363900

  I am trying to use dozer to map between classes. I have a source class that looks like this: public class initRequest{ protected String id; protected String[] details } I have a destination class that looks like this: public class initResponse{ protected String id; protected DetailsObject detObj; } public class DetailsObject{ protected List<String> details; } So essentially i want the string in the details array to be populated into the List in the Details object. I have tried a mapping like this: <mapping wildcard="true" > <class-a>com.starwood.valhalla.sgpms.dto.InitiateSynchronizationDTO</class-a> <class-b>com.starwood.valhalla.psi.sgpms.dto.InitiateSynchronizationDTO</class-b> <field> <a is-accessible="true">reservations</a> <b is-accessible="true">reservations.confirmationNum</b> </field> </mapping> But I get this error: Exception in thread "main" net.sf.dozer.util.mapping.MappingException: java.lang.NoSuchFieldException: reservations.confirmationNum at net.sf.dozer.util.mapping.util.MappingUtils.throwMappingException(MappingUtils.java:91) at net.sf.dozer.util.mapping.propertydescriptor.FieldPropertyDescriptor.<init>(FieldPropertyDescriptor.java:43) at net.sf.dozer.util.mapping.propertydescriptor.PropertyDescriptorFactory.getPropertyDescriptor(PropertyDescriptorFactory.java:53) at net.sf.dozer.util.mapping.fieldmap.FieldMap.getDestPropertyDescriptor(FieldMap.java:370) at net.sf.dozer.util.mapping.fieldmap.FieldMap.getDestFieldType(FieldMap.java:103) at net.sf.dozer.util.mapping.util.MappingsParser.processMappings(MappingsParser.java:95) at net.sf.dozer.util.mapping.util.CustomMappingsLoader.load(CustomMappingsLoader.java:77) at net.sf.dozer.util.mapping.DozerBeanMapper.loadCustomMappings(DozerBeanMapper.java:149) at net.sf.dozer.util.mapping.DozerBeanMapper.getMappingProcessor(DozerBeanMapper.java:132) at net.sf.dozer.util.mapping.DozerBeanMapper.map(DozerBeanMapper.java:94) at com.starwood.valhalla.mte.translator.StarguestPMSIntegrationDozerAdapter.adaptInit(StarguestPMSIntegrationDozerAdapter.java:30) How can i map this so that it works?

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• NHibernate L2 Cache - fluent nHibernate configuration

  - by AWC

  I've managed to configure the L2 cache for Get\Load in FHN, but it's not working for queries configured using the ICriteria interface - it doesn't cache the results from these queries. Does anyone know why? The configurations are as follows: ICriteria: return unitOfWork .CurrentSession .CreateCriteria(typeof(Country)) .SetCacheable(true); Entity Mapping: public sealed class CountryMap : ClassMap<Country>, IMap { public CountryMap() { Table("Countries"); Not.LazyLoad(); Cache.ReadWrite().IncludeAll(); Id(x => x.Id); Map(x => x.TwoLetter); Map(x => x.ThreeLetter); Map(x => x.Name); } } And the session factory configuration for the database property: return () => MsSqlConfiguration.MsSql2005 .ConnectionString(BuildConnectionString()) .ShowSql() .Cache(c => c.UseQueryCache() .QueryCacheFactory<StandardQueryCacheFactory>() .ProviderClass(configuration.RepositoryCacheType) .UseMinimalPuts()) .FormatSql() .UseReflectionOptimizer(); Cheers AWC

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• Creating a Sharepoint Development Environment from an Existing Production Environment

  - by Starky

  I have very little experience using Sharepoint but a good amount using Visual Studio 2008, SQL Server 2005, Windows Server 2003 and IIS6. I need to create a development environment for a SharePoint 2007 system that will be used internally. The system is already deployed over two servers - one of the servers simply holds the database and everything else is on the other server. We are also using WSS 3.0. I have created a Virtual Machine with all the required software including a clean installation of SharePoint Server 2007 and I wish to use this single Virtual Machine as the development environment. Right now there are no custom assemblies being used on the production server as far as I am aware. There are 3 websites, one over port 80 for user accesss, one over a custom port for central administration, and one over another custom port. Not sure what the last one is for but my blank instance of Sharepoint on my Virtual Machine also has something similar. I attempted to use the STSADM tool to backup and restore these 3 sites from my production environment to my development environment and while the operations completed succesfully, the central administration site in my development environment acted strangely and I could not access port 80 - I did not seem to have correct credentials for it. I suspected that it would not have been so simple so could I please have advice on how to create my development environment so that I can use it to deploy updates to the production one.

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• UIButton in UITableViewCell events not working

  - by Tristan

  I see this problem all over the net, and none of the solutions listed work for me! I have added UIButton to a UITableViewCell in IB. I have assigned a custom UITableViewCell class to the UITableViewCell. My custom UITableViewCell class has an IBAction that im connecting to the Touch Up Inside event (I have tried other events they all don't work) but the IBAction function is never called! There is nothing else in the UITableViewCell, I have added the UIButton directly into the Content View. And everything has user interaction enabled! It is as simple as that I have nothing complex going on! What is is about a UITableViewCell that stops buttons working? EDIT: By request the code where I initialize my UITableViewCells the custom class is called DownloadCell - (UITableViewCell *)tableView:(UITableView *)aTableView cellForRowAtIndexPath:(NSIndexPath *)indexPath { static NSString *CellIdentifier = @"DownloadCell"; DownloadCell *cell = (DownloadCell *)[aTableView dequeueReusableCellWithIdentifier:CellIdentifier]; if (cell == nil) { UIViewController * cellController = [[UIViewController alloc] initWithNibName:@"DownloadCell" bundle:nil]; cell = (DownloadCell *)cellController.view; [cellController release]; } SoundLibrarianIPhoneAppDelegate * del = (SoundLibrarianIPhoneAppDelegate *)[UIApplication sharedApplication].delegate; DownloadQueue * dq = del.downloadQueue; DownloadJob * job = [dq getDownloadJob: indexPath.row]; [job setDelegate:self]; SoundInfo * info = [job sound]; NSArray * seperated = [info.fileName componentsSeparatedByString: @"."]; NSString * displayName = [seperated objectAtIndex:0]; displayName = [displayName stringByReplacingOccurrencesOfString:@"_" withString:@" "]; displayName = [displayName capitalizedString]; [cell.titleLabel setText: displayName]; cell.progressBar.progress = job.percentCompleted; [cell.progressLabel setText: [job getProgessText]]; cell.selectionStyle = UITableViewCellSelectionStyleNone; cell.userInteractionEnabled = YES; [cell setDelegate:self]; return cell; }

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• add shapes to bing maps from locations stored in a database (bing maps ajax control)

  - by macou

  I am trying to use the Bing Maps Ajax Control to plot pins of locations stored in a database to the bing map on a web page. All the locations are geocoded and the lat longs stored in the database. I am using ASP.NET (C#), but can't figure out or find any tutorials on how to go about doing this. All I can find are articles on how to import shapes into a map from either GeoRSS, Bing Maps, and KML. I have used (and paid for ;o) the excellent control from Simplovations to do alot of what I need to do, namely working with my data as normal in the code behind, getting a DataSet of my locations and plotting the points to the map. It has been great, but I want to know how to do it with out using a third party control. My main reason for wanting this is to be able to cluster my pins and hopefully learn a bit of Javascript along the way. Does anyone know of any tutorials or articles online that can help me on my way. I have been searching the net for hours now and can't find anything :(

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• Using Fancybox with Google Static Maps

  - by Levi Hackwith

  Setup I have multiple links on a page with the class location_link Each Links rel attribute is equal to a city state combo (i.e.,Omaha, NE) Once the page is loaded, a JavaScript function loops through all of the location_link items and binds a click event to them using jQuery. This click event fires a call to the Fancybox constructor that is supposed to show a Google Map of the location that link is associated with The Problem: Whenever I click on one of the "location links", I get the following error message: The requested content cannot be loaded. Please try again later. Code I've Already Written: function setUpLocationLinks() { locationLinks = $("a.location_link"); locationLinks.click( function() { var me = $(this); console.log(me.attr("href")); $.fancybox( { "showCloseButton" : true, "hideOnContentClick" : true, "titlePosition" : "inside", "title" : me.attr("rel"), "type" : "image" } ) return false; } ); } Research I've Already Done: The Google Static Map API no longer requires an API Key. The following is from the Google Static Maps API Page Note: The Google Static Maps API no longer requires a Maps API key! (Google Maps API Premier customers should instead sign their URLs using a new cryptographic key which will be sent to you. See the Premier documentation for more information.) The The Image URL I'm using does resolve and pulls back the data I need When I put the above mentioned URL into a standard <img> tag, the map shows up just fine. I'd like to pull this off without having to create some sort of dummy <img> tag that I'm constantly switching the src attribute out of. Hopefully, you'll find this information helpful. Please let me know if you have any other questions.

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• "The name 'WithTable' does not exist in the current context" using Fluent NHibernate

  - by Byron Sommardahl

  Might be a really easy problem to fix, but it the solution is eluding me! I'm using Fluent NHibernate 1.0 RTM (and using NHibernate bins that ships with it). I'm trying to map my entities and cannot use the WithTable() method. It's not available in Intelligence and VS doesn't suggest any namespaces to reference. Here's my code: using System; using System.Collections.Generic; using System.Linq; using System.Text; using GeoCodeThe.Net.Domain.Entities; using FluentNHibernate.Mapping; namespace GeoCodeThe.Net.Domain.Mappings { class CategoryMap: ClassMap<ICategory> { public CategoryMap() { WithTable("Categories"); // <----- Compile error: The name 'WithTable' does not exist in the current context Id(x => x.Id); Map(x => x.Name); Map(x => x.Tags); } } My bin folder has: Antlr3.Runtime.dll Castle.Core.dll Castle.DynamicProxy2.dll FluentNHibernate.dll Iesi.Collections.dll log4net.dll NHibernate.ByteCode.Castle.dll NHibernate.dll FluentNHibernate.pdb Castle.Core.xml Castle.DynamicProxy2.xml FluentNHibernate.xml Iesi.Collections.xml log4net.xml NHibernate.ByteCode.Castle.xml NHibernate.xml Any clue what I'm missing? Let me know if you need any more clarification.

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• Spoofing UserAgent in Opera

  - by PoweRoy

  I'm trying to spoof Opera (under linux) to be an other browser, in this case iPad for some testing purposes. Now I know sites can check which browser is accessing the using for example in PHP $useragent = $_SERVER['HTTP_USER_AGENT']; and in javascript navigator.userAgent (or navigator.platform). In firefox you can use an addon to easily switch your useragent and other relevant information, but in Opera it seems it bit hard to do. First in opera.ini you can do: [User Agent] Spoof UserAgent ID=1 But this is limited to a predefined list of UserAgents. No room for custom ones. Also in opera.ini [ISP] Id=iPad This will add iPad to the User Agent of Opera. It's a start and works most of the time on the sites. In opera.ini you can set a 'User JavaScript file' to load a custom JavaScript file before loading a website: [User Prefs] User JavaScript File=/opera_dir/userjs/load.js In load.js you can do: navigator.userAgent = "Mozilla/5.0 (iPad; U; CPU OS 3_2 like Mac OS X; en-us) AppleWebKit/531.21.10 (KHTML, like Gecko) Version/4.0.4 Mobile/7B334b Safari/531.21.10" Because this file gets executed before loading the website I can modify the UserAgent, but this won't work when a site is checking the UserAgent via PHP, but it works for sites checking with Javascript) So here's my question: is there another way of spoofing a complete custom UserAgent?

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• Removing and then adding MKAnnotations to a MapView is leaving me with a blank MapView

  - by Chris McCall

  A followup to this quesiton: http://stackoverflow.com/questions/2944581/forcing-reload-of-view-when-returning-from-flipsideview-of-utility-application When returning from the flipside view, I'm calling NSArray *annotations = [NSArray arrayWithArray:[mapView annotations]]; [mapView removeAnnotations:annotations]; To remove all the pins from the map (let me know if this isn't the best way to do this). Then: for(Hole *hole in fetchedObjects) { double latitude = [hole.Latitude doubleValue]; cord.latitude = latitude; double longitude = [hole.Longitude doubleValue]; cord.longitude = longitude; WellPlaceMark *placemark = [[WellPlaceMark alloc] initWithCoordinate:cord withWellType:[NSString stringWithString: hole.WellType]]; [mapView addAnnotation:placemark]; } Plus: - (MKAnnotationView *) mapView:(MKMapView *)mapView viewForAnnotation:(id <MKAnnotation>) annotation{ MKPinAnnotationView *annView=[[MKPinAnnotationView alloc] initWithAnnotation:annotation reuseIdentifier:@"currentloc"]; if ([annotation isKindOfClass:[MKUserLocation class]]) return nil; if([annotation isKindOfClass:[WellPlaceMark class]]) { ... } annView.animatesDrop=FALSE; return annView; } All of this code seems to be called in the debugger, but when it's finished, I'm presented with a blank map. I've tried zooming out and the pins are nowhere. The map loads up fine on the first try, but once I call removeAnnotations, they never return.

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• Blackberry horizontal scroll in bottom menu bar

  - by Dachmt

  Hi, I have a MainScreen that has an overlay menu at the bottom of the screen, over a map. To do that, I have an MenuHoster (extends HorizontalFieldManager) that takes all width of the screen, 45px height and at the bottom of the screen. It overlays a map. In my MenuHoster, and add another HorizontalFieldManager that has a background image (my menu bar image) and focusable buttons. I have too many buttons to be all in my screen, so I want to an horizontal screen. When I create my second HorizontalFieldManager that hosts the buttons, I define the Manager.HORIZONTAL_SCROLL as style. My buttons are focusable, but nothing happens... The focus change to the next buttons but my HorizontalFieldManager does not scroll... I tried putting the same parameter in my MenuHoster HorizontalFieldManager, the scroll is working but all my screen goes right or left, and I want only the content of my menu bar... So there is my map and my menu going left, my buttons at the bottom and the rest of the screen white. Any idea why my second HorizontalFieldManager hosting the buttons does not scoll? Thank you!

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• Singletons, thread safety and structuremap

  - by Ben

  Hi, Currently I have the following class: public class PluginManager { private static bool s_initialized; private static object s_lock = new object(); public static void Initialize() { if (!s_initialized) { lock (s_lock) { if (!s_initialized) { // initialize s_initialized = true; } } } } } The important thing here is that Initialize() should only be executed once whilst the application is running. I thought that I would refactor this into a singleton class since this would be more thread safe?: public sealed class PluginService { static PluginService() { } private static PluginService _instance = new PluginService(); public static PluginService Instance { get { return _instance; } } private bool s_initialized; public void Initialize() { if (!s_initialized) { // initialize s_initialized = true; } } } Question one, is it still necessary to have the lock here (I have removed it) since we will only ever be working on the same instance? Finally, I want to use DI and structure map to initialize my servcices so I have refactored as below: public interface IPluginService { void Initialize(); } public class NewPluginService : IPluginService { private bool s_initialized; public void Initialize() { if (!s_initialized) { // initialize s_initialized = true; } } } And in my registry: ForRequestedType<IPluginService>() .TheDefaultIsConcreteType<NewPluginService>().AsSingletons(); This works as expected (singleton returning true in the following code): var instance1 = ObjectFactory.GetInstance<IPluginService>(); var instance2 = ObjectFactory.GetInstance<IPluginService>(); bool singleton = (instance1 == instance2); So my next question, is the structure map solution as thread safe as the singleton class (second example). The only downside is that this would still allow NewPluginService to be instantiated directly (if not using structure map). Many thanks, Ben

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• Links on SharePoint 2010 Master Page not changed based on Alternate Access Mappings

  - by victor_c

  We are creating a custom branded Master Page in SharePoint 2010. To make the page similar to a legacy page we have implemented an html based custom dropdown navigation menu we had in place directly on the Master Page (consisted of basic HTML elements ULs and LIs with A tags styled with a CSS class). I assumed the links from the basic HTML on the page would be subject to Alternate Access Mappings currently in place, but it seems to not be the case. On a test page opened in 3 different URLs (http://sharepoint2010, http://sharepoint2010.mydomain.com, https://sharepoint2010.mydomain.com) the links from a WIKI page are modified as I expected, but the links from the Custom Navigation Menu (plain HTML on the Master Page) are not modified. I can see where that would be useful... But is there a way that I can add links on the MasterPage in a way that SharePoint parses them first, making them subject to Alternate Access Mapping translation? I tried placing a link inside a SPLinkButton control, but it didn't achieve the desired behavior. e.g. <ul id="navmenu"> <li><SharePoint:SPLinkButton runat="server" NavigateUrl="http://sharepoint2010">sharepoint link</SharePoint:SPLinkButton></li> <li><a href="http://sharepoint2010">sharepoint2010</a></li> <li>test</li> </ul> When I access the page via https://sharepoint2010.mydomain.com the links above are still http://sharepoint2010 rather than https://sharepoint2010.mydomain.com Any thoughts? Thanks, Victor

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• Fluent NHibernate IDictionary with composite element mapping

  - by Alessandro Di Lello

  Hi there, i have these 2 classes: public class Category { IDictionary<string, CategoryResorce> _resources; } public class CategoryResource { public virtual string Name { get; set; } public virtual string Description { get; set; } } and this is xml mapping <class name="Category" table="Categories"> <id name="ID"> <generator class="identity"/> </id> <map name="Resources" table="CategoriesResources" lazy="false"> <key column="EntityID" /> <index column="LangCode" type="string"/> <composite-element class="Aca3.Models.Resources.CategoryResource"> <property name="Name" column="Name" /> <property name="Description" column="Description"/> </composite-element> </map> </class> and i'd like to write it with Fluent. I found something similar and i was trying with this code: HasMany(x => x.Resources) .AsMap<string>("LangCode") .AsIndexedCollection<string>("LangCode", c => c.GetIndexMapping()) .Cascade.All() .KeyColumn("EntityID"); but i dont know how to map the CategoryResource entity as a composite element inside the Category element. Any advice ? thanks

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• QWebView not loading external resources

  - by Nick

  Hi. I'm working on a kiosk web browser using Qt and PyQt4. QWebView seems to work quite well except for one quirk. If a URL fails to load for any reason, I want to redirect the user to a custom error page. I've done this using the loadFinished() signal to check the result, and change the URL to the custom page if necessary using QWebView.load(). However, any page I attempt to load here fails to pull in external resources like CSS or images. Using QWebView.load() to set the initial page at startup seems to work fine, and clicking any link on the custom error page will result in the destination page loading fine. It's just the error page that doesn't work. I'm really not sure where to go next. I've included the source for an app that will replicate the problem below. It takes a URL as a command line argument - a valid URL will display correctly, a bad URL (eg. DNS resolution fails) will redirect to Google, but with the logo missing. import sys from PyQt4 import QtGui, QtCore, QtWebKit class MyWebView(QtWebKit.QWebView): def __init__(self, parent=None): QtWebKit.QWebView.__init__(self, parent) self.resize(800, 600) self.load(QtCore.QUrl(sys.argv[1])) self.connect(self, QtCore.SIGNAL('loadFinished(bool)'), self.checkLoadResult) def checkLoadResult(self, result): if (result == False): self.load(QtCore.QUrl('http://google.com')) app = QtGui.QApplication(sys.argv) main = MyWebView() main.show() sys.exit(app.exec_()) If anyone could offer some advice it would be greatly appreciated.

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• Recovering Broken Connections In A Peer to Peer Network

  - by peter

  Hi All, I am implementing a peer to peer network using WCF NetPeerTcpBinding connections. I am using a central server which itself overrides the class CustomPeerResolverService. All this service does is register peers, and publish information about the peers to each other. On my server application I can visibly see which peers are currently connected on the GUI. My question is, each peer has a TCP connection to the server. When I unplug my network connection all connections to this server are severed. When the network comes back online those connections to the server are not re-established. What do I need to do to make sure they are re-established? Here is what each of the peer to peer bindings look like on the peers. <netPeerTcpBinding> <binding name="PeerTcpConfig" port="0"> <security mode="None"></security> <resolver mode="Custom"> <custom address="net.tcp://127.0.0.1/GlobalStoreAPIServer" binding="netTcpBinding" bindingConfiguration="TcpConfig"> </custom> </resolver> </binding> </netPeerTcpBinding> So what that means is that my server has an endpoint at 'net.tcp://127.0.0.1/GlobalStoreAPIServer'

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• SimpleJdbcCall ignoring JdbcTemplate fetch size

  - by user289429

  We are calling the pl/sql stored procedure through Spring SimpleJdbcCall, the fetchsize set on the JdbcTemplate is being ignored by SimpleJdbcCall. The rowmapper resultset fetch size is set to 10 even though we have set the jdbctemplate fetchsize to 200. Any idea why this happens and how to fix it? Have printed the fetchsize of resultset in the rowmapper in the below code snippet - Once it is 200 and other time it is 10 even though I use the same JdbcTemplate on both occassion. This direct execution through jdbctemplate returns fetchsize of 200 in the row mapper jdbcTemplate = new JdbcTemplate(ds); jdbcTemplate.setResultsMapCaseInsensitive(true); jdbcTemplate.setFetchSize(200); List temp = jdbcTemplate.query("select 1 from dual", new ParameterizedRowMapper() { public Object mapRow(ResultSet resultSet, int i) throws SQLException { System.out.println("Direct template : " + resultSet.getFetchSize()); return new String(resultSet.getString(1)); } }); This execution through SimpleJdbcCall is always returning fetchsize of 10 in the rowmapper jdbcCall = new SimpleJdbcCall(jdbcTemplate).withSchemaName(schemaName) .withCatalogName(catalogName).withProcedureName(functionName); jdbcCall.returningResultSet((String) outItValues.next(), new ParameterizedRowMapper<Map<String, Object>>() { public Map<String, Object> mapRow(ResultSet rs, int row) throws SQLException { System.out.println("Through simplejdbccall " + rs.getFetchSize()); return extractRS(rs, row); } }); outputList = (List<Map<String, Object>>) jdbcCall.executeObject(List.class, inParam);

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• Mapping a child collection without indexing based on database primary key or using bag

  - by Colin Bowern

  I have a existing parent-child relationship I am trying to map in Fluent Nhibernate: [RatingCollection] -- [Rating] Rating Collection has: ID (database generated ID) Code Name Rating has: ID (database generated id) Rating Collection ID Code Name I have been trying to figure out which permutation of HasMany makes sense here. What I have right now: HasMany<Rating>(x => x.Ratings) .WithTableName("Rating") .KeyColumnNames.Add("RatingCollectionId") .Component(c => { c.Map(x => x.Code); c.Map(x => x.Name); ); It works from a CRUD perspective but because it's a bag it ends up deleting the rating contents any time I try to do a simple update / insert to the Ratings property. What I want is an indexed collection but not using the database generated ID (which is in the six digit range right now). Any thoughts on how I could get a zero-based indexed collection (so I can go entity.Ratings[0].Name = "foo") which would allow me to modify the collection without deleting/reinserting it all when persisting?

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• JMS equivalent in .Net

  - by rauts

  Hi All, I am trying to make an common abstract interface over the messaging infrastructure in our company. The design goal is to 2 fold. 1 is to hide the complexity of programming from the developers (i know its not very complex but still simplify it further) and 2 is to make the developers independent of the vendor specific messaging infrastructure (i.e. it can be MQSeries or EMS or MSMQ). The very common option is using the WCF layer over the messaging infrastructure. Use the MQSeries Custom channel for WCF or use EMS custom channle for WCF. But both are ruled out due to lack of proper version of MQSeries and EMS. Can someone please suggest what are the possible solutions to this problem. One which i can think of the to have a custom wrapper like JMS. Has anyone ever tried something similar before. Any help would be fantastic. by the way, i am trying to create this wrapper in C# 3.5. Regards

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• "Permission denied to access property 'href' from a non-chrome context" in JavaScript and OpenLayers

  - by Mark Iliffe

  This is really two questions one leading into the other. Firstly what does 'Permission denied to access property 'href' from a non-chrome context' actually mean? Secondly I am using overlays in OpenLayers and wish to change the opacity of said layers, this is where this error is being thrown the code of which is here... <input id='opacity' value="1.0" onChange="changeOpacity()"> Of which changeOpacity() is the following function... function changeOpacity() { var newOpacity = parseFloat(OpenLayers.Util.getElement('opacity').value); newOpacity = Math.min(1.0, Math.max(0.1, newOpacity)); OpenLayers.Util.getElement('opacity').value = newOpacity; for (var i=0; i<images.length; i++) { layers[images[i]].setOpacity(newOpacity); } } which throws the error at "var href = originalElement.href;" here... function mD(e) { //what is originalElement/srcElement/originalTarget? var originalElement = e.srcElement || e.originalTarget; var href = originalElement.href; if (originalElement.nodeName == "A" && href.match("http://www.openstreetmap.org/browse/")) { href = href.replace('http://www.openstreetmap.org/browse/','http://www.openstreetmap.org/api/0.6/'); if (gml) { map.removeLayer(gml); } //$("status").innerHTML = 'loading'; } gml = new OpenLayers.Layer.GML("OSM", href, {format: OpenLayers.Format.OSM}); map.addLayer(gml); gml.preFeatureInsert = style_osm_feature; var sf = new OpenLayers.Control.SelectFeature(gml, {'onSelect': on_feature_hover}); map.addControl(sf); sf.activate(); return false; } } Any help/ideas is great appreciated! I am using firefox 3.5.9 and firebug 1.5.4

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• Raytracing (LoS) on 3D hex-like tile maps

  - by herenvardo

  Greetings, I'm working on a game project that uses a 3D variant of hexagonal tile maps. Tiles are actually cubes, not hexes, but are laid out just like hexes (because a square can be turned to a cube to extrapolate from 2D to 3D, but there is no 3D version of a hex). Rather than a verbose description, here goes an example of a 4x4x4 map: (I have highlighted an arbitrary tile (green) and its adjacent tiles (yellow) to help describe how the whole thing is supposed to work; but the adjacency functions are not the issue, that's already solved.) I have a struct type to represent tiles, and maps are represented as a 3D array of tiles (wrapped in a Map class to add some utility methods, but that's not very relevant). Each tile is supposed to represent a perfectly cubic space, and they are all exactly the same size. Also, the offset between adjacent "rows" is exactly half the size of a tile. That's enough context; my question is: Given the coordinates of two points A and B, how can I generate a list of the tiles (or, rather, their coordinates) that a straight line between A and B would cross? That would later be used for a variety of purposes, such as determining Line-of-sight, charge path legality, and so on. BTW, this may be useful: my maps use the (0,0,0) as a reference position. The 'jagging' of the map can be defined as offsetting each tile ((y+z) mod 2) * tileSize/2.0 to the right from the position it'd have on a "sane" cartesian system. For the non-jagged rows, that yields 0; for rows where (y+z) mod 2 is 1, it yields 0.5 tiles. I'm working on C#4 targeting the .Net Framework 4.0; but I don't really need specific code, just the algorithm to solve the weird geometric/mathematical problem. I have been trying for several days to solve this at no avail; and trying to draw the whole thing on paper to "visualize" it didn't help either :( . Thanks in advance for any answer

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• C++: Retriving values of static const variables at a constructor of a static variable

  - by gilbertc

  I understand that the code below would result segmentation fault because at the cstr of A, B::SYMBOL was not initialized yet. But why? In reality, A is an object that serves as a map that maps the SYMBOLs of classes like B to their respective IDs. C holds this map(A) static-ly such that it can provide the mapping as a class function. The primary function of A is to serve as a map for C that initializes itself at startup. How should I be able to do that without segmentation fault, provided that I can still use B::ID and B::SYMBOL in the code (no #define pls)? Thanks! Gil. class A { public: A() { std::cout<<B::ID<<std::endl; std::cout<<B::SYMBOL<<std::endl; } }; class B { public: static const int ID; static const std::string SYMBOL; } const int B::ID = 1; const std::string B::SYMBOL = "B"; class C { public: static A s_A; }; A C::s_A; int main(int c, char** p) { }

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• Using Javascript to detect when a user has selected an item in an ASP.NET listbox

  - by Amr Bekhit

  Hello all, I am developing an ASP.NET web application that incorporates google maps. I have an ASP.NET listbox on my page which contains a list of items. When the user selects one of the items, I'd like to show this item on the map. The main complication lies in the fact that google maps uses javascript to control it and the listbox is a server control. I can think of two ways to do this. The first would involve the listbox calling a javascript function when the user selects a new item. I can then write this function to perform the necessary map operations. Unfortunately, the OnSelectedIndexChanged property of the listbox doesn't seem to support javascript functions. The second involves wrapping an UpdatePanel around the listbox and getting the listbox to perform a postback. In the SelectedIndexChanged event in VB/C#, I would the need to somehow make a call to a javascript function which would then update the map. Which solution can I use? Thanks --Amr

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• About function scopes in javascript

  - by Shawn

  Look at the code below. I want to alert the value of i at the moment that specific listener was added. Is other words, clicking each marker should alert a different value. Where can I store the value of i in a way that it won't change and be accessible inside the scope of that function? Here is problematic code: (it is difficult to test because you need a key from Google) <html> <head> <title>a</title> <script type="text/javascript"> function init() { map = new GMap2(document.getElementById("map_canvas")); // http://code.google.com/intl/es/apis/maps/documentation/reference.html#GMap2 map.setCenter(new GLatLng(0, 0), 1); // http://code.google.com/intl/es/apis/maps/documentation/reference.html#GMap2.setCenter for(var i = 0; i < 10; i++) { var marker = new GMarker(point); // http://code.google.com/intl/es/apis/maps/documentation/reference.html#GMarker map.addOverlay(marker); // http://code.google.com/intl/es/apis/maps/documentation/reference.html#GMap2.addOverlay GEvent.addListener(marker, "click", function() // http://code.google.com/intl/es/apis/maps/documentation/reference.html#GEvent.addListener { alert(i); // Problem: I want the value of i at the moment when the listener is added. }); } } window.onload = init; </script> </head> <body id="map_canvas"> </body> </html> Thanks!

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• Fluent Nhibernate causes System.IndexOutOfRangeException on Commit()

  - by Moss

  Hey there. I have been trying to figure out how to configure the mapping with both NH and FluentNH for days, and I think I'm almost there, but not quite. I have the following problem. What I need to do is basically map these two entities, which are simplified versions of the actual ones. Airlines varchar2(3) airlineCode //PK varchar2(50) Aircraft varchar2(3) aircraftCode //composite PK varchar2(3) airlineCode //composite PK, FK referencing PK in Airlines varchar2(50) aircraftName My classes look like class Airline { string AirlineCode; string AirlineName; IList<Aircraft> Fleet; } class Aircraft { Airline Airline; string AircraftCode; string AircraftName; } Using FluentNH, I mapped it like so AirlineMap Table("Airlines"); Id(x => x.AirlineCode); Map(x => x.AirlineName); HasMany<Aircraft>(x => x.Fleet) .KeyColumn("Airline"); AircraftMap Table("Aircraft"); CompositeId() .KeyProperty(x => x.AircraftCode) .KeyReference(x => x.Airline); Map(x => x.AircraftName); References(x => x.Airline) .Column("Airline"); Using Nunit, I'm testing the addition of another aircraft, but upon calling transaction.Commit after session.Save(aircraft), I get an exception: "System.IndexOutOfRangeException : Invalid index 22 for this OracleParameterCollection with Count=22." The Aircraft class (and the table) has 22 properties. Anyone have any ideas?

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• Why can a struct defined inside a function not be used as functor to std::for_each?

  - by Oswald

  The following code won't compile. The compiler complains about *no matching function for call to for_each*. Why is this so? #include <map> #include <algorithm> struct Element { void flip() {} }; void flip_all(std::map<Element*, Element*> input) { struct FlipFunctor { void operator() (std::pair<Element* const, Element*>& item) { item.second->flip(); } }; std::for_each(input.begin(), input.end(), FlipFunctor()); } When I move struct FlipFunctor before function flip_all, the code compiles. Full error message: no matching function for call to ‘for_each(std::_Rb_tree_iterator<std::pair<Element* const, Element*> >, std::_Rb_tree_iterator<std::pair<Element* const, Element*> >, flip_all(std::map<Element*, Element*, std::less<Element*>, std::allocator<std::pair<Element* const, Element*> > >)::FlipFunctor)’

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