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• Windows 7 laptop with two active network connections will not perform DNS AAAA lookup under certain conditions

  - by Jeff Loughridge

  My laptop has two network interfaces. The Ethernet interface connects directly to my provider's edge router. It obtains an IPv6 address via SLAAC. I manually set an IPv6 DNS server. The wireless interface connects to a CPE router that doesn't understand IPv6. If the wireless interface is disabled, I can reach the IPv6 Internet with no problems using the Ethernet interface. I run into problems when both interfaces are enabled and the wireless interface get its IPv4 DNS server via DHCP. Let's look at two scenarios. Wireless interface obtains IPv4 DNS server via DHCP - The CPE router (192.168.0.1) sends its address as the DNS server. In this scenario, Windows 7 will not perform AAAA lookups. The browser uses IPv4 transit to reach dual stack web sites. I can't reach IPv6-only web sites using domain names. I can reach IPv6-enabled web sites using IPv6 literals instead of the domain name. Wireless interface is manually configured with OpenDNS DNS server - Windows 7 performs AAAA lookups using IPv6 transit (via the Ethernet). Everything works fine. My dual homed set-up is definitely not standard. Still, the behavior is very strange to me. A valid IPv6 interface exists in my Ethernet interface. Why won't Windows attempt AAAA lookups in scenario #1? I've included the output of ipconfig /all and netstat -rn. C:\Program Files\Console>ipconfig /all Windows IP Configuration Host Name . . . . . . . . . . . . : jake Primary Dns Suffix . . . . . . . : Node Type . . . . . . . . . . . . : Hybrid IP Routing Enabled. . . . . . . . : No WINS Proxy Enabled. . . . . . . . : No DNS Suffix Search List. . . . . . : res.openband.net Wireless LAN adapter Wireless Network Connection 2: Media State . . . . . . . . . . . : Media disconnected Connection-specific DNS Suffix . : Description . . . . . . . . . . . : Microsoft Virtual WiFi Miniport Adapter Physical Address. . . . . . . . . : C0-CB-38-06-54-F9 DHCP Enabled. . . . . . . . . . . : Yes Autoconfiguration Enabled . . . . : Yes Wireless LAN adapter Wireless Network Connection: Connection-specific DNS Suffix . : res.openband.net Description . . . . . . . . . . . : DW1520 Wireless-N WLAN Half-Mini Card Physical Address. . . . . . . . . : C0-CB-38-06-54-F9 DHCP Enabled. . . . . . . . . . . : Yes Autoconfiguration Enabled . . . . : Yes Link-local IPv6 Address . . . . . : fe80::fc39:9293:7d01:4a75%13(Preferred) IPv4 Address. . . . . . . . . . . : 192.168.0.105(Preferred) Subnet Mask . . . . . . . . . . . : 255.255.255.0 Lease Obtained. . . . . . . . . . : Wednesday, July 11, 2012 7:35:21 AM Lease Expires . . . . . . . . . . : Thursday, July 12, 2012 9:49:46 AM Default Gateway . . . . . . . . . : 192.168.0.1 DHCP Server . . . . . . . . . . . : 192.168.0.1 DHCPv6 IAID . . . . . . . . . . . : 364956472 DHCPv6 Client DUID. . . . . . . . : 00-01-00-01-17-80-F8-14-5C-26-0A-03-23-5C DNS Servers . . . . . . . . . . . : 208.67.222.222 NetBIOS over Tcpip. . . . . . . . : Enabled Ethernet adapter Local Area Connection: Connection-specific DNS Suffix . : res.openband.net Description . . . . . . . . . . . : Intel(R) 82577LM Gigabit Network Connection Physical Address. . . . . . . . . : 5C-26-0A-03-23-5C DHCP Enabled. . . . . . . . . . . : Yes Autoconfiguration Enabled . . . . : Yes IPv6 Address. . . . . . . . . . . : 2607:2600:1:850:c0e9:211a:fd05:4e0b(Preferred) Temporary IPv6 Address. . . . . . : 2607:2600:1:850:3d29:1839:62db:c4c1(Preferred) Link-local IPv6 Address . . . . . : fe80::c0e9:211a:fd05:4e0b%12(Preferred) IPv4 Address. . . . . . . . . . . : 10.52.2.51(Preferred) Subnet Mask . . . . . . . . . . . : 255.255.254.0 Lease Obtained. . . . . . . . . . : Monday, July 09, 2012 8:55:07 AM Lease Expires . . . . . . . . . . : Thursday, July 12, 2012 7:30:05 AM Default Gateway . . . . . . . . . : fe80::214:6aff:fe51:7f3f%12 10.52.2.1 DHCP Server . . . . . . . . . . . : 216.40.77.244 DNS Servers . . . . . . . . . . . : 2620:0:ccc::2 2620:0:ccd::2 216.40.77.126 216.40.77.244 NetBIOS over Tcpip. . . . . . . . : Enabled Ethernet adapter VMware Network Adapter VMnet1: Connection-specific DNS Suffix . : Description . . . . . . . . . . . : VMware Virtual Ethernet Adapter for VMnet1 Physical Address. . . . . . . . . : 00-50-56-C0-00-01 DHCP Enabled. . . . . . . . . . . : No Autoconfiguration Enabled . . . . : Yes Link-local IPv6 Address . . . . . : fe80::4c61:495b:229e:281e%14(Preferred) IPv4 Address. . . . . . . . . . . : 192.168.40.1(Preferred) Subnet Mask . . . . . . . . . . . : 255.255.255.0 Default Gateway . . . . . . . . . : DHCPv6 IAID . . . . . . . . . . . : 469782614 DHCPv6 Client DUID. . . . . . . . : 00-01-00-01-17-80-F8-14-5C-26-0A-03-23-5C DNS Servers . . . . . . . . . . . : fec0:0:0:ffff::1%1 fec0:0:0:ffff::2%1 fec0:0:0:ffff::3%1 NetBIOS over Tcpip. . . . . . . . : Enabled Ethernet adapter VMware Network Adapter VMnet8: Connection-specific DNS Suffix . : Description . . . . . . . . . . . : VMware Virtual Ethernet Adapter for VMnet8 Physical Address. . . . . . . . . : 00-50-56-C0-00-08 DHCP Enabled. . . . . . . . . . . : No Autoconfiguration Enabled . . . . : Yes Link-local IPv6 Address . . . . . : fe80::f996:61eb:8c00:45e6%15(Preferred) IPv4 Address. . . . . . . . . . . : 192.168.17.1(Preferred) Subnet Mask . . . . . . . . . . . : 255.255.255.0 Default Gateway . . . . . . . . . : DHCPv6 IAID . . . . . . . . . . . : 486559830 DHCPv6 Client DUID. . . . . . . . : 00-01-00-01-17-80-F8-14-5C-26-0A-03-23-5C DNS Servers . . . . . . . . . . . : fec0:0:0:ffff::1%1 fec0:0:0:ffff::2%1 fec0:0:0:ffff::3%1 NetBIOS over Tcpip. . . . . . . . : Enabled C:\Program Files\Console>netstat -rn =========================================================================== Interface List 17...c0 cb 38 06 54 f9 ......Microsoft Virtual WiFi Miniport Adapter 13...c0 cb 38 06 54 f9 ......DW1520 Wireless-N WLAN Half-Mini Card 12...5c 26 0a 03 23 5c ......Intel(R) 82577LM Gigabit Network Connection 11...5c ac 4c f8 b8 55 ......Bluetooth Device (Personal Area Network) 14...00 50 56 c0 00 01 ......VMware Virtual Ethernet Adapter for VMnet1 15...00 50 56 c0 00 08 ......VMware Virtual Ethernet Adapter for VMnet8 1...........................Software Loopback Interface 1 =========================================================================== IPv4 Route Table =========================================================================== Active Routes: Network Destination Netmask Gateway Interface Metric 0.0.0.0 0.0.0.0 10.52.2.1 10.52.2.51 10 0.0.0.0 0.0.0.0 192.168.0.1 192.168.0.105 100 10.52.2.0 255.255.254.0 On-link 10.52.2.51 261 10.52.2.51 255.255.255.255 On-link 10.52.2.51 261 10.52.3.255 255.255.255.255 On-link 10.52.2.51 261 127.0.0.0 255.0.0.0 On-link 127.0.0.1 306 127.0.0.1 255.255.255.255 On-link 127.0.0.1 306 127.255.255.255 255.255.255.255 On-link 127.0.0.1 306 192.168.0.0 255.255.255.0 On-link 192.168.0.105 306 192.168.0.105 255.255.255.255 On-link 192.168.0.105 306 192.168.0.255 255.255.255.255 On-link 192.168.0.105 306 192.168.17.0 255.255.255.0 On-link 192.168.17.1 276 192.168.17.1 255.255.255.255 On-link 192.168.17.1 276 192.168.17.255 255.255.255.255 On-link 192.168.17.1 276 192.168.40.0 255.255.255.0 On-link 192.168.40.1 276 192.168.40.1 255.255.255.255 On-link 192.168.40.1 276 192.168.40.255 255.255.255.255 On-link 192.168.40.1 276 224.0.0.0 240.0.0.0 On-link 127.0.0.1 306 224.0.0.0 240.0.0.0 On-link 10.52.2.51 261 224.0.0.0 240.0.0.0 On-link 192.168.0.105 306 224.0.0.0 240.0.0.0 On-link 192.168.40.1 276 224.0.0.0 240.0.0.0 On-link 192.168.17.1 276 255.255.255.255 255.255.255.255 On-link 127.0.0.1 306 255.255.255.255 255.255.255.255 On-link 10.52.2.51 261 255.255.255.255 255.255.255.255 On-link 192.168.0.105 306 255.255.255.255 255.255.255.255 On-link 192.168.40.1 276 255.255.255.255 255.255.255.255 On-link 192.168.17.1 276 =========================================================================== Persistent Routes: None IPv6 Route Table =========================================================================== Active Routes: If Metric Network Destination Gateway 12 261 ::/0 fe80::214:6aff:fe51:7f3f 1 306 ::1/128 On-link 12 13 2607:2600:1:850::/64 On-link 12 261 2607:2600:1:850:3d29:1839:62db:c4c1/128 On-link 12 261 2607:2600:1:850:c0e9:211a:fd05:4e0b/128 On-link 12 261 fe80::/64 On-link 13 281 fe80::/64 On-link 14 276 fe80::/64 On-link 15 276 fe80::/64 On-link 14 276 fe80::4c61:495b:229e:281e/128 On-link 12 261 fe80::c0e9:211a:fd05:4e0b/128 On-link 15 276 fe80::f996:61eb:8c00:45e6/128 On-link 13 281 fe80::fc39:9293:7d01:4a75/128 On-link 1 306 ff00::/8 On-link 12 261 ff00::/8 On-link 13 281 ff00::/8 On-link 14 276 ff00::/8 On-link 15 276 ff00::/8 On-link =========================================================================== Persistent Routes: None

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• Creating a Reverse Proxy using Jpcap

  - by Ramon Marco Navarro

  I need to create a program that receives HTTP request and forwards those requests to the web servers. I have successfully made this using only Java Sockets but the client needed the program to be implemented in Jpcap. I'd like to know if this is possible and what literature I should be reading for this project. This is what I have now by stitching together pieces from the Jpcap tutorial: import java.net.InetAddress; import java.io.*; import jpcap.*; import jpcap.packet.*; public class Router { public static void main(String args[]) { //Obtain the list of network interfaces NetworkInterface[] devices = JpcapCaptor.getDeviceList(); //for each network interface for (int i = 0; i < devices.length; i++) { //print out its name and description System.out.println(i+": "+devices[i].name + "(" + devices[i].description+")"); //print out its datalink name and description System.out.println(" datalink: "+devices[i].datalink_name + "(" + devices[i].datalink_description+")"); //print out its MAC address System.out.print(" MAC address:"); for (byte b : devices[i].mac_address) System.out.print(Integer.toHexString(b&0xff) + ":"); System.out.println(); //print out its IP address, subnet mask and broadcast address for (NetworkInterfaceAddress a : devices[i].addresses) System.out.println(" address:"+a.address + " " + a.subnet + " "+ a.broadcast); } int index = 1; // set index of the interface that you want to open. //Open an interface with openDevice(NetworkInterface intrface, int snaplen, boolean promics, int to_ms) JpcapCaptor captor = null; try { captor = JpcapCaptor.openDevice(devices[index], 65535, false, 20); captor.setFilter("port 80 and host 192.168.56.1", true); } catch(java.io.IOException e) { System.err.println(e); } //call processPacket() to let Jpcap call PacketPrinter.receivePacket() for every packet capture. captor.loopPacket(-1,new PacketPrinter()); captor.close(); } } class PacketPrinter implements PacketReceiver { //this method is called every time Jpcap captures a packet public void receivePacket(Packet p) { JpcapSender sender = null; try { NetworkInterface[] devices = JpcapCaptor.getDeviceList(); sender = JpcapSender.openDevice(devices[1]); } catch(IOException e) { System.err.println(e); } IPPacket packet = (IPPacket)p; try { // IP Address of machine sending HTTP requests (the client) // It's still on the same LAN as the servers for testing purposes. packet.dst_ip = InetAddress.getByName("192.168.56.2"); } catch(java.net.UnknownHostException e) { System.err.println(e); } //create an Ethernet packet (frame) EthernetPacket ether=new EthernetPacket(); //set frame type as IP ether.frametype=EthernetPacket.ETHERTYPE_IP; //set source and destination MAC addresses // MAC Address of machine running reverse proxy server ether.src_mac = new MacAddress("08:00:27:00:9C:80").getAddress(); // MAC Address of machine running web server ether.dst_mac = new MacAddress("08:00:27:C7:D2:4C").getAddress(); //set the datalink frame of the packet as ether packet.datalink=ether; //send the packet sender.sendPacket(packet); sender.close(); //just print out a captured packet System.out.println(packet); } } Any help would be greatly appreciated. Thank you.

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• Errors rose when a Netbean Maven Project tries to run

  - by Zakaria

  Hi everybody, I installed NetBeans 6.8 on Vista and and I'm trying to execute a simple Maven Project. When I ran the project, I got this set of errors: WARNING: You are running embedded Maven builds, some build may fail due to incompatibilities with latest Maven release. To set Maven instance to use for building, click here. Scanning for projects... [#process-resources] [resources:resources] Using default encoding to copy filtered resources. [#compile] [compiler:compile] Nothing to compile - all classes are up to date [exec:exec] [EL Info]: 2010-04-04 18:22:54.907--ServerSession(15532856)--EclipseLink, version: Eclipse Persistence Services - 2.0.0.v20091127-r5931 [EL Severe]: 2010-04-04 18:22:54.929--ServerSession(15532856)--Local Exception Stack: Exception [EclipseLink-4003] (Eclipse Persistence Services - 2.0.0.v20091127-r5931): org.eclipse.persistence.exceptions.DatabaseException Exception in thread "main" javax.persistence.PersistenceException: Exception [EclipseLink-4003] (Eclipse Persistence Services - 2.0.0.v20091127-r5931): org.eclipse.persistence.exceptions.DatabaseException Exception Description: Configuration error. Class [org.apache.derby.jdbc.ClientDriver] not found. Exception Description: Configuration error. Class [org.apache.derby.jdbc.ClientDriver] not found. at org.eclipse.persistence.exceptions.DatabaseException.configurationErrorClassNotFound(DatabaseException.java:82) at org.eclipse.persistence.sessions.DefaultConnector.loadDriverClass(DefaultConnector.java:267) at org.eclipse.persistence.sessions.DefaultConnector.connect(DefaultConnector.java:85) at org.eclipse.persistence.internal.jpa.EntityManagerSetupImpl.deploy(EntityManagerSetupImpl.java:392) at org.eclipse.persistence.sessions.DatasourceLogin.connectToDatasource(DatasourceLogin.java:162) at org.eclipse.persistence.internal.jpa.EntityManagerFactoryImpl.getServerSession(EntityManagerFactoryImpl.java:151) at org.eclipse.persistence.internal.sessions.DatabaseSessionImpl.loginAndDetectDatasource(DatabaseSessionImpl.java:584) at org.eclipse.persistence.internal.jpa.EntityManagerFactoryImpl.createEntityManagerImpl(EntityManagerFactoryImpl.java:207) at org.eclipse.persistence.internal.jpa.EntityManagerFactoryProvider.login(EntityManagerFactoryProvider.java:228) at org.eclipse.persistence.internal.jpa.EntityManagerFactoryImpl.createEntityManager(EntityManagerFactoryImpl.java:195) at com.mycompany.chapter2_ex1.Main.main(Main.java:31) Caused by: Exception [EclipseLink-4003] (Eclipse Persistence Services - 2.0.0.v20091127-r5931): org.eclipse.persistence.exceptions.DatabaseException Exception Description: Configuration error. Class [org.apache.derby.jdbc.ClientDriver] not found. at org.eclipse.persistence.internal.jpa.EntityManagerSetupImpl.deploy(EntityManagerSetupImpl.java:368) at org.eclipse.persistence.exceptions.DatabaseException.configurationErrorClassNotFound(DatabaseException.java:82) at org.eclipse.persistence.internal.jpa.EntityManagerFactoryImpl.getServerSession(EntityManagerFactoryImpl.java:151) at org.eclipse.persistence.sessions.DefaultConnector.loadDriverClass(DefaultConnector.java:267) at org.eclipse.persistence.internal.jpa.EntityManagerFactoryImpl.createEntityManagerImpl(EntityManagerFactoryImpl.java:207) at org.eclipse.persistence.sessions.DefaultConnector.connect(DefaultConnector.java:85) at org.eclipse.persistence.internal.jpa.EntityManagerFactoryImpl.createEntityManager(EntityManagerFactoryImpl.java:195) at org.eclipse.persistence.sessions.DatasourceLogin.connectToDatasource(DatasourceLogin.java:162) at com.mycompany.chapter2_ex1.Main.main(Main.java:31) at org.eclipse.persistence.internal.sessions.DatabaseSessionImpl.loginAndDetectDatasource(DatabaseSessionImpl.java:584) at org.eclipse.persistence.internal.jpa.EntityManagerFactoryProvider.login(EntityManagerFactoryProvider.java:228) at org.eclipse.persistence.internal.jpa.EntityManagerSetupImpl.deploy(EntityManagerSetupImpl.java:368) ... 4 more [ERROR]The following mojo encountered an error while executing: [ERROR]Group-Id: org.codehaus.mojo [ERROR]Artifact-Id: exec-maven-plugin [ERROR]Version: 1.1.1 [ERROR]Mojo: exec [ERROR]brought in via: Direct invocation [ERROR]While building project: [ERROR]Group-Id: com.mycompany [ERROR]Artifact-Id: chapter2_ex1 [ERROR]Version: 1.0-SNAPSHOT [ERROR]From file: C:\Users\Charlotte\Documents\NetBeansProjects\chapter2_ex1\pom.xml [ERROR]Reason: Result of cmd.exe /X /C ""C:\Program Files\Java\jdk1.6.0_11\bin\java.exe" -classpath C:\Users\Charlotte\Documents\NetBeansProjects\chapter2_ex1\target\classes;C:\Users\Charlotte\.m2\repository\javax\persistence\persistence-api\1.0\persistence-api-1.0.jar;C:\Users\Charlotte\.m2\repository\org\eclipse\persistence\javax.persistence\2.0.0\javax.persistence-2.0.0.jar;C:\Users\Charlotte\.m2\repository\org\eclipse\persistence\eclipselink\2.0.0-RC1\eclipselink-2.0.0-RC1.jar com.mycompany.chapter2_ex1.Main" execution is: '1'. ------------------------------------------------------------------------ For more information, run with the -e flag ------------------------------------------------------------------------ BUILD FAILED ------------------------------------------------------------------------ Total time: 3 seconds Finished at: Sun Apr 04 18:22:55 CEST 2010 Final Memory: 47M/94M ------------------------------------------------------------------------ Theses exceptions rose even if I can run the database by using the console (ij) and when I connect the Database, no errors are showing. Can you help me please? Thank you very much. Regards.

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• Object of type 'customObject' cannot be converted to type 'customObject'.

  - by Phani Kumar PV

  i am receiving the follwing error when i am invoking a custom object "Object of type 'customObject' cannot be converted to type 'customObject'." Following is the scenario when i am getting the error i am invoking a method in a dll dynamically. Load an assembly CreateInstance.... calling MethodInfo.Invoke() passing int, string as a parameter for my method is working fine = No exceptions are thrown. But if I try and pass a one of my own custom class objects as a parameter, then I get an ArgumentException exception, and it is not either an ArgumentOutOfRangeException or ArgumentNullException. "Object of type 'customObject' cannot be converted to type 'customObject'." I am doing this in a web application. The class file containing the method is in a different proj . also the custom object is a sepearte class in the same file. there is no such thing called a static aseembly in my code. I am trying to invoke a webmethod dynamically. this webmethod is having the customObject type as an input parameter. So when i invoke the webmethod i am dynamically creating the proxy assembly and all. From the same assembly i am trying to create an instance of the cusotm object assinging the values to its properties and then passing this object as a parameter and invoking the method. everything is dynamic and nothing is created static.. :( add reference is not used. Following is a sample code i tried to create it public static object CallWebService(string webServiceAsmxUrl, string serviceName, string methodName, object[] args) { System.Net.WebClient client = new System.Net.WebClient(); //-Connect To the web service using (System.IO.Stream stream = client.OpenRead(webServiceAsmxUrl + "?wsdl")) { //--Now read the WSDL file describing a service. ServiceDescription description = ServiceDescription.Read(stream); ///// LOAD THE DOM ///////// //--Initialize a service description importer. ServiceDescriptionImporter importer = new ServiceDescriptionImporter(); importer.ProtocolName = "Soap12"; // Use SOAP 1.2. importer.AddServiceDescription(description, null, null); //--Generate a proxy client. importer.Style = ServiceDescriptionImportStyle.Client; //--Generate properties to represent primitive values. importer.CodeGenerationOptions = System.Xml.Serialization.CodeGenerationOptions.GenerateProperties; //--Initialize a Code-DOM tree into which we will import the service. CodeNamespace nmspace = new CodeNamespace(); CodeCompileUnit unit1 = new CodeCompileUnit(); unit1.Namespaces.Add(nmspace); //--Import the service into the Code-DOM tree. This creates proxy code //--that uses the service. ServiceDescriptionImportWarnings warning = importer.Import(nmspace, unit1); if (warning == 0) //--If zero then we are good to go { //--Generate the proxy code CodeDomProvider provider1 = CodeDomProvider.CreateProvider("CSharp"); //--Compile the assembly proxy with the appropriate references string[] assemblyReferences = new string[5] { "System.dll", "System.Web.Services.dll", "System.Web.dll", "System.Xml.dll", "System.Data.dll" }; CompilerParameters parms = new CompilerParameters(assemblyReferences); CompilerResults results = provider1.CompileAssemblyFromDom(parms, unit1); //-Check For Errors if (results.Errors.Count > 0) { StringBuilder sb = new StringBuilder(); foreach (CompilerError oops in results.Errors) { sb.AppendLine("========Compiler error============"); sb.AppendLine(oops.ErrorText); } throw new System.ApplicationException("Compile Error Occured calling webservice. " + sb.ToString()); } //--Finally, Invoke the web service method Type foundType = null; Type[] types = results.CompiledAssembly.GetTypes(); foreach (Type type in types) { if (type.BaseType == typeof(System.Web.Services.Protocols.SoapHttpClientProtocol)) { Console.WriteLine(type.ToString()); foundType = type; } } object wsvcClass = results.CompiledAssembly.CreateInstance(foundType.ToString()); MethodInfo mi = wsvcClass.GetType().GetMethod(methodName); return mi.Invoke(wsvcClass, args); } else { return null; } } } I cant find anything static being done by me. any help is greatly appreciated. Regards, Phani Kumar PV

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• Running in to some issues with Tumblr's Theme Parser

  - by Kylee

  Below part of a tumblr theme I'm working on and you will notice that I use the {block:PostType} syntax to declare the opening tag of each post, which is a <li> element in an Ordered List. This allows me to not only dynamicly set the li's class based on the type of post but cuts down on the number of times I'm calling the ShareThis JS which was really bogging down the page. This creates a new issue though which I believe is a flaw in Tumblr's parser. Each post is an ordered list with one <li> element in it. I know I could solve this by having each post as a <div> but I really like the control and semantics of using a list. Tumblr gurus? Suggestions? Sample of code: {block:Posts} <ol class="posts"> {block:Text} <li class="post type_text" id="{PostID}"> {block:Title} <h2><a href="{Permalink}" title="Go to post '{Title}'.">{Title}</a></h2> {/block:Title} {Body} {/block:Text} {block:Photo} <li class="post type_photo" id="{PostID}"> <div class="image"> <a href="{LinkURL}"><img src="{PhotoURL-500}" alt="{PhotoAlt}"></a> </div> {block:Caption} {Caption} {/block:Caption} {/block:Photo} {block:Photoset} <li class="post type_photoset" id="{PostID}"> {Photoset-500} {block:Caption} {Caption} {/block:Caption} {/block:Photoset} {block:Quote} <li class="post type_quote" id="{PostID}"> <blockquote> <div class="quote_symbol">&ldquo;</div> {Quote} </blockquote> {block:Source} <div class="quote_source">{Source}</div> {/block:Source} {/block:Quote} {block:Link} <li class="post type_link" id="{PostID}"> <h2><a href="{URL}" {Target} title="Go to {Name}.">{Name}</a></h2> {block:Description} {Description} {/block:Description} {/block:Link} {block:Chat} <li class="post type_chat" id="{PostID}"> {block:Title} <h2><a href="{Permalink}" title="Go to post {PostID} '{Title}'.">{Title}</a></h2> {/block:Title} <table class="chat_log"> {block:Lines} <tr class="{Alt} user_{UserNumber}"> <td class="person">{block:Label}{Label}{/block:Label}</td> <td class="message">{Line}</td> </tr> {/block:Lines} </table> {/block:Chat} {block:Video} <li class="post type_video" id="{PostID}"> {Video-500} {block:Caption} {Caption} {/block:Caption} {/block:Video} {block:Audio} <li class="post type_audio" id="{PostID}"> {AudioPlayerWhite} {block:Caption} {Caption} {/block:Caption} {block:ExternalAudio} <p><a href="{ExternalAudioURL}" title="Download '{ExternalAudioURL}'">Download</a></p> {/block:ExternalAudio} {/block:Audio} <div class="post_footer"> <p class="post_date">Posted on {ShortMonth} {DayOfMonth}, {Year} at {12hour}:{Minutes} {AmPm}</p> <ul> <li><a class="comment_link" href="{Permalink}#disqus_thread">Comments</a></li> <li><script type="text/javascript" src="http://w.sharethis.com/button/sharethis.js#publisher=722e181d-1d8a-4363-9ebe-82d5263aea94&amp;type=website"></script></li> </ul> {block:PermalinkPage} <div id="disqus_thread"></div> <script type="text/javascript" src="http://disqus.com/forums/kyleetilley/embed.js"></script> <noscript><a href="http://disqus.com/forums/kyleetilley/?url=ref">View the discussion thread.</a></noscript> {/block:PermalinkPage} </div> </li> </ol> {/block:Posts}

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• Bookmarking n Joomla

  - by Aruna

  Hi, i am using the Plugin Content Bookmarker downloaded from http://dev.aarthikaindia.com/downloads/category/3-plugins.html for my site. Some of the Articles are able to Bookmark like if i click on the Bookmark (twitter) , it directly bookmarks in Twitter with Some description of the Article where some of the Articles are not bookmarked instead it just links to http://www.twitter.com.. Code : <?php // no direct access defined( '_JEXEC' ) or die( 'Restricted access' ); $mainframe->registerEvent( 'onAfterDisplayContent', 'plgContentBookmarker' ); function plgContentBookmarker( &$row, &$params, $page=0 ) { $plugin = & JPluginHelper::getPlugin('content', 'bookmarker'); // Load plugin params info $pluginParams = new JParameter($plugin->params); $id = $row-id; $desc_tags = addslashes(str_replace("\n","", $row->title )); $desc_tags = trim($desc_tags); $desc_tags_space= str_replace(',', ' ', @$desc_tags_space); $desc_tags_semi = str_replace(',', ';', @$desc_tags_semi); $desc_tags_space = str_replace(' ', ' ', @$desc_tags_space); $description1 = strip_tags( $row->introtext ); $description2 = str_replace("'", '', strip_tags($description1)); $description = str_replace('"', '', strip_tags($description2)); $markme_title = $desc_tags; $markme_ddesc = substr($description,0,400).'...'; $baseurl = JURI::base(); $title = $pluginParams->def('title', 'Book Mark this Article'); $facebook = $pluginParams->def('facebook', '1'); $twitter = $pluginParams->def('twitter', '1'); $html.= '<div onmouseover="javascript:if(document.getElementById(\'divShowAddBookmarker'.$id.'\').style.display ==\'none\'){document.getElementById(\'divShowAddBookmarker'.$id.'\').style.display =\'block\';}" onmouseout="javascript:if(document.getElementById(\'divShowAddBookmarker'.$id.'\').style.display ==\'block\'){document.getElementById(\'divShowAddBookmarker'.$id.'\').style.display =\'none\';}" id="divShowAddBookmarker'.$id.'" style="display:none;position:absolute; background-color:#F4F4F4;width:240px;padding:3px;border:2px solid #999999;z-index:999"> <div style="padding:2px;">'; if( $facebook == 1 ) { $html.= '<div style="width:115px;float:left"> <a style="text-decoration:none;" href="http://www.facebook.com/" onclick="window.open(\'http://www.facebook.com/share.php?u=\'+encodeURIComponent(location.href)+\'&amp;t='.$markme_title.'&amp;d='.$markme_ddesc.'\');return false;"> <img style="vertical-align:bottom;padding:1px;" src="'.$baseurl."plugins/content/smart_bookmarker/facebook.gif".'" title="Facebook" name="facebook" border="0" id="facebook" alt="" /> '.JText::_( 'Facebook' ).' </a> </div>'; } if( $twitter == 1 ) { $html.= '<div style="width:115px;float:left"> <a style="text-decoration:none;" href="http://www.twitter.com/" onclick="window.open(\'http://twitter.com/home/?status=\'+encodeURIComponent(location.href)+\'-'.$markme_ddesc.'\');return false;"> <img style="vertical-align:bottom;padding:1px;" src="'.$baseurl."plugins/content/smart_bookmarker/twitter.gif".'" title="twitter" name="twitter" border="0" id="twitter" alt="" /> '.JText::_( 'Twitter' ).' </a> </div>'; } $html.= '<div style="clear:both"></div> </div> </div>'; return $html; } ? In the CODE $markme_ddesc is used to give the status message which is the actual portion of the content which is tweeted .. I had a doubt whether this $markme_ddesc is used to make the issue.. Is it so.. Please suggest me..

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• Duplex Contract GetCallbackChannel always returns a null-instance

  - by Yaroslav

  Hi! Here is the server code: using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.ServiceModel; using System.Runtime.Serialization; using System.ServiceModel.Description; namespace Console_Chat { [ServiceContract(SessionMode = SessionMode.Required, CallbackContract = typeof(IMyCallbackContract))] public interface IMyService { [OperationContract(IsOneWay = true)] void NewMessageToServer(string msg); [OperationContract(IsOneWay = false)] bool ServerIsResponsible(); } [ServiceContract] public interface IMyCallbackContract { [OperationContract(IsOneWay = true)] void NewMessageToClient(string msg); [OperationContract(IsOneWay = true)] void ClientIsResponsible(); } [ServiceBehavior(InstanceContextMode = InstanceContextMode.PerSession)] public class MyService : IMyService { public IMyCallbackContract callback = null; /* { get { return OperationContext.Current.GetCallbackChannel<IMyCallbackContract>(); } } */ public MyService() { callback = OperationContext.Current.GetCallbackChannel<IMyCallbackContract>(); } public void NewMessageToServer(string msg) { Console.WriteLine(msg); } public void NewMessageToClient( string msg) { callback.NewMessageToClient(msg); } public bool ServerIsResponsible() { return true; } } class Server { static void Main(string[] args) { String msg = "none"; ServiceMetadataBehavior behavior = new ServiceMetadataBehavior(); ServiceHost serviceHost = new ServiceHost( typeof(MyService), new Uri("http://localhost:8080/")); serviceHost.Description.Behaviors.Add(behavior); serviceHost.AddServiceEndpoint( typeof(IMetadataExchange), MetadataExchangeBindings.CreateMexHttpBinding(), "mex"); serviceHost.AddServiceEndpoint( typeof(IMyService), new WSDualHttpBinding(), "ServiceEndpoint" ); serviceHost.Open(); Console.WriteLine("Server is up and running"); MyService server = new MyService(); server.NewMessageToClient("Hey client!"); /* do { msg = Console.ReadLine(); // callback.NewMessageToClient(msg); } while (msg != "ex"); */ Console.ReadLine(); } } } Here is the client's: using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.ServiceModel; using System.Runtime.Serialization; using System.ServiceModel.Description; using Console_Chat_Client.MyHTTPServiceReference; namespace Console_Chat_Client { [ServiceContract(SessionMode = SessionMode.Required, CallbackContract = typeof(IMyCallbackContract))] public interface IMyService { [OperationContract(IsOneWay = true)] void NewMessageToServer(string msg); [OperationContract(IsOneWay = false)] bool ServerIsResponsible(); } [ServiceContract] public interface IMyCallbackContract { [OperationContract(IsOneWay = true)] void NewMessageToClient(string msg); [OperationContract(IsOneWay = true)] void ClientIsResponsible(); } public class MyCallback : Console_Chat_Client.MyHTTPServiceReference.IMyServiceCallback { static InstanceContext ctx = new InstanceContext(new MyCallback()); static MyServiceClient client = new MyServiceClient(ctx); public void NewMessageToClient(string msg) { Console.WriteLine(msg); } public void ClientIsResponsible() { } class Client { static void Main(string[] args) { String msg = "none"; client.NewMessageToServer(String.Format("Hello server!")); do { msg = Console.ReadLine(); if (msg != "ex") client.NewMessageToServer(msg); else client.NewMessageToServer(String.Format("Client terminated")); } while (msg != "ex"); } } } } callback = OperationContext.Current.GetCallbackChannel(); This line constanly throws a NullReferenceException, what's the problem? Thanks!

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• DataTrigger inside ControlTemplate doesn't update

  - by kennethkryger

  I have a ListBox that is bound to a list of CustomerViewModel-objects, that each has two dependency properties: - Name (string) - Description (string) - IsVisible (bool) (the IsVisible property is True by default and is reversed via the ToggleVisibility Command on the CustomerViewModel) I would like to display the Name and Description to the right of a Border-control, that is has a Transparent background when the IsVisible property is True and Green when the False. My problem is that the DataTrigger part of the code below doesn't work the way I want, because the Setter-part isn't triggered when the IsVisible is changed. What am I doing wrong? Here's my code: <UserControl.Resources> <Style x:Key="ListBoxStyle" TargetType="{x:Type ListBox}"> <Setter Property="Margin" Value="-1,-1,0,0" /> <Setter Property="BorderThickness" Value="0" /> <Setter Property="Background" Value="Transparent" /> <Setter Property="ItemContainerStyle" Value="{DynamicResource ListboxItemStyle}" /> <Setter Property="ScrollViewer.HorizontalScrollBarVisibility" Value="Disabled" /> </Style> <Style x:Key="ListboxItemStyle" TargetType="{x:Type ListBoxItem}"> <Setter Property="Background" Value="Transparent" /> <Setter Property="FocusVisualStyle" Value="{x:Null}" /> <Setter Property="Template"> <Setter.Value> <ControlTemplate TargetType="{x:Type ListBoxItem}"> <Grid> <Border x:Name="border" Background="{TemplateBinding Background}" BorderBrush="#FFD4D6D5" BorderThickness="0,0,0,1"> <Grid Height="70" Margin="0,0,10,0"> <Grid.RowDefinitions> <RowDefinition Height="10" /> <RowDefinition Height="Auto" /> <RowDefinition /> <RowDefinition Height="10" /> </Grid.RowDefinitions> <Grid.ColumnDefinitions> <ColumnDefinition Width="Auto" /> <ColumnDefinition /> </Grid.ColumnDefinitions> <Border x:Name="visibilityColumn" Grid.Row="0" Grid.Column="0" Grid.RowSpan="4" Background="Transparent" Width="4" Margin="0,0,4,0" /> <TextBlock x:Name="customerName" Grid.Row="1" Grid.Column="1" Foreground="#FF191919" FontWeight="Bold" Text="{Binding Name}" VerticalAlignment="Top" /> <TextBlock Grid.Row="2" Grid.Column="1" VerticalAlignment="Stretch" Text="{Binding Description}" TextWrapping="Wrap" Foreground="#FFB4B4B4" TextTrimming="CharacterEllipsis" /> </Grid> <Border.ContextMenu> <ContextMenu> <MenuItem Header="Edit..." /> <MenuItem Header="Visible" IsCheckable="True" IsChecked="{Binding IsVisible}" Command="{Binding ToggleVisibility}"/> </ContextMenu> </Border.ContextMenu> </Border> </Grid> <ControlTemplate.Triggers> <Trigger Property="IsMouseOver" Value="True"> <Setter Property="Background" Value="#FFEEEEEE" /> </Trigger> <Trigger Property="IsSelected" Value="True"> <Setter Property="Background" Value="#FFF5F5F5" /> <Setter TargetName="customerName" Property="Foreground" Value="Green" /> </Trigger> <DataTrigger Binding="{Binding IsVisible}" Value="False"> <!--If Value="True" the customerName Border shows up green!--> <Setter Property="Background" Value="Green" /> </DataTrigger> </ControlTemplate.Triggers> </ControlTemplate> </Setter.Value> </Setter> </Style> </UserControl.Resources> <ListBox Style="{StaticResource ListBoxStyle}" ItemsSource="{Binding CustomerViewModels}" />

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• JSF SSL Hazzard

  - by java beginner

  In my application it is required that only certain pages need to be secured using SSL so I configured it security-constraint> <display-name>Security Settings</display-name> <web-resource-collection> <web-resource-name>SSL Pages</web-resource-name> <description/> <url-pattern>/*.jsp</url-pattern> <http-method>GET</http-method> <http-method>POST</http-method> </web-resource-collection> <user-data-constraint> <description>CONFIDENTIAL requires SSL</description> <transport-guarantee>CONFIDENTIAL</transport-guarantee> </user-data-constraint> and added filter http://blogs.sun.com/jluehe/entry/how_to_downshift_from_https but only one hazard is there. I am using it with richFaces. Once it goes to HTTPS its not changing the page—I mean if I perform post action it doesn't actually happen. But if I do it from the local machine's browser it works perfectly, from a remote browser it stucks with HTTPS and not changing after that. Here is my web.xml's snap: <filter> <filter-name>MyFilter</filter-name> <filter-class>MyFilter</filter-class> <init-param> <param-name>httpPort</param-name> <param-value>8080</param-value> </init-param> </filter> <filter-mapping> <filter-name>MyFilter</filter-name> <url-pattern>/*</url-pattern> </filter-mapping> <security-constraint> <web-resource-collection> <web-resource-name>Protected resource</web-resource-name> <url-pattern>somePattern</url-pattern> <http-method>GET</http-method> <http-method>POST</http-method> </web-resource-collection> <user-data-constraint> <transport-guarantee>CONFIDENTIAL</transport-guarantee> </user-data-constraint> </security-constraint> and some other filters of richfaces. Problem is strange. If I try to access the web app from local's machine's browser it works fine but in remote machine's browser once it get into HTTP, all the forms of that page aswell as href stops working.(JSF,facelet is used.)

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• jqgrid retrieving empty rows using webapi (REST)

  - by polonskyg

  I'm using jqgrid in an ASPNET MVC4 project with WebApi (REST), Entity Framework 5 using Unit Of Work and Repository patterns. My problem is that I see the data flowing as json to the browser and I see three rows in the grid, but those rows are empty, and the data is not shown (three empty rows in the grid). This is method to get the data in the WebApi controller: public dynamic GetGridData(int rows, int page, string sidx, string sord) { var pageSize = rows; var index = sidx; var order = sord; var categories = Uow.Categories.GetAll().OrderBy(t => (string.IsNullOrEmpty(index) ? "Id" : index) + " " + (order ?? "desc")); var pageIndex = Convert.ToInt32(page) - 1; var totalRecords = categories.Count(); var totalPages = (int)Math.Ceiling((float) totalRecords / (float) pageSize); var categoriesPage = categories.Skip(pageIndex * pageSize).Take(pageSize).ToList(); return new { total = totalPages, page = page, records = totalRecords, rows = (from category in categoriesPage select new { id = category.Id.ToString(), cell = new string[] { category.Id.ToString(), category.Name, category.Description } }).ToArray() }; } This is the json received in the browser { "total": 1, "page": 1, "records": 3, "rows": [{ "id": "1", "cell": ["1", "Category 1", null] }, { "id": "3", "cell": ["3", "Category 3", "asAS"] }, { "id": "4", "cell": ["4", "Category 4", null] }] } This is the .js file with jqgrid jQuery("#ajaxGrid").jqGrid({ url: $("#ServiceUrl").val(), datatype: "json", jsonReader: { repeatitems: false, id: "Id" }, colNames: ['Id', 'Name', 'Description'], colModel: [ { name: 'id', editable: true, sortable: true, hidden: true, align: 'left' }, { name: 'name', editable: true, sortable: true, hidden: false, align: 'left' }, { name: 'description', editable: true, sortable: true, hidden: false, align: 'left' } ], mtype: 'GET', rowNum: 15, pager: '#ajaxGridPager', rowList: [10, 20, 50, 100], caption: 'List of Categories', imgpath: $("#ServiceImagesUrl").val(), altRows: true, shrinkToFit: true, viewrecords: true, autowidth: true, height: 'auto', error: function(x, e) { alert(x.readyState + " "+ x.status +" "+ e.msg); } }); function updateDialog(action) { return { url: $("#ServiceUrl").val(), closeAfterAdd: true, closeAfterEdit: true, afterShowForm: function (formId) { }, modal: true, onclickSubmit: function (params) { var list = $("#ajaxGrid"); var selectedRow = list.getGridParam("selrow"); params.url += "/" + list.getRowData(selectedRow).Id; params.mtype = action; }, width: "300", ajaxEditOptions: { contentType: "application/json" }, serializeEditData: function (data) { delete data.oper; return JSON.stringify(data); } }; } jQuery("#ajaxGrid").jqGrid( 'navGrid', '#ajaxGridPager', { add: true, edit: true, del: true, search: false, refresh: false }, updateDialog('PUT'), updateDialog('POST'), updateDialog('DELETE') ); BTW, If I want to return jqGridData instead the dynamic, How should I do it? Did is showing empty rows as well: public class jqGridData<T> where T : class { public int page { get; set; } public int records { get; set; } public IEnumerable<T> rows { get; set; } public decimal total { get; set; } } public jqGridData<Category> GetGridData(int rows, int page, string sidx, string sord) { var pageSize = rows; var index = sidx; var order = sord; var categories = Uow.Categories.GetAll().OrderBy(t => (string.IsNullOrEmpty(index) ? "Id" : index) + " " + (order ?? "desc")); var pageIndex = Convert.ToInt32(page) - 1; var totalRecords = categories.Count(); var totalPages = (int)Math.Ceiling((float)totalRecords / (float)pageSize); var categoriesPage = categories.Skip(pageIndex * pageSize).Take(pageSize); return new jqGridData<Category> { page = page, records = totalRecords, total = totalPages, rows = categoriesPage }; }

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• Grafting LINQ onto C# 2 library

  - by P Daddy

  I'm writing a data access layer. It will have C# 2 and C# 3 clients, so I'm compiling against the 2.0 framework. Although encouraging the use of stored procedures, I'm still trying to provide a fairly complete ability to perform ad-hoc queries. I have this working fairly well, already. For the convenience of C# 3 clients, I'm trying to provide as much compatibility with LINQ query syntax as I can. Jon Skeet noticed that LINQ query expressions are duck typed, so I don't have to have an IQueryable and IQueryProvider (or IEnumerable<T>) to use them. I just have to provide methods with the correct signatures. So I got Select, Where, OrderBy, OrderByDescending, ThenBy, and ThenByDescending working. Where I need help are with Join and GroupJoin. I've got them working, but only for one join. A brief compilable example of what I have is this: // .NET 2.0 doesn't define the Func<...> delegates, so let's define some workalikes delegate TResult FakeFunc<T, TResult>(T arg); delegate TResult FakeFunc<T1, T2, TResult>(T1 arg1, T2 arg2); abstract class Projection{ public static Condition operator==(Projection a, Projection b){ return new EqualsCondition(a, b); } public static Condition operator!=(Projection a, Projection b){ throw new NotImplementedException(); } } class ColumnProjection : Projection{ readonly Table table; readonly string columnName; public ColumnProjection(Table table, string columnName){ this.table = table; this.columnName = columnName; } } abstract class Condition{} class EqualsCondition : Condition{ readonly Projection a; readonly Projection b; public EqualsCondition(Projection a, Projection b){ this.a = a; this.b = b; } } class TableView{ readonly Table table; readonly Projection[] projections; public TableView(Table table, Projection[] projections){ this.table = table; this.projections = projections; } } class Table{ public Projection this[string columnName]{ get{return new ColumnProjection(this, columnName);} } public TableView Select(params Projection[] projections){ return new TableView(this, projections); } public TableView Select(FakeFunc<Table, Projection[]> projections){ return new TableView(this, projections(this)); } public Table Join(Table other, Condition condition){ return new JoinedTable(this, other, condition); } public TableView Join(Table inner, FakeFunc<Table, Projection> outerKeySelector, FakeFunc<Table, Projection> innerKeySelector, FakeFunc<Table, Table, Projection[]> resultSelector){ Table join = new JoinedTable(this, inner, new EqualsCondition(outerKeySelector(this), innerKeySelector(inner))); return join.Select(resultSelector(this, inner)); } } class JoinedTable : Table{ readonly Table left; readonly Table right; readonly Condition condition; public JoinedTable(Table left, Table right, Condition condition){ this.left = left; this.right = right; this.condition = condition; } } This allows me to use a fairly decent syntax in C# 2: Table table1 = new Table(); Table table2 = new Table(); TableView result = table1 .Join(table2, table1["ID"] == table2["ID"]) .Select(table1["ID"], table2["Description"]); But an even nicer syntax in C# 3: TableView result = from t1 in table1 join t2 in table2 on t1["ID"] equals t2["ID"] select new[]{t1["ID"], t2["Description"]}; This works well and gives me identical results to the first case. The problem is if I want to join in a third table. TableView result = from t1 in table1 join t2 in table2 on t1["ID"] equals t2["ID"] join t3 in table3 on t1["ID"] equals t3["ID"] select new[]{t1["ID"], t2["Description"], t3["Foo"]}; Now I get an error (Cannot implicitly convert type 'AnonymousType#1' to 'Projection[]'), presumably because the second join is trying to join the third table to an anonymous type containing the first two tables. This anonymous type, of course, doesn't have a Join method. Any hints on how I can do this?

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• Why does my Ajax function returns my entire code?

  - by JDelage

  I'm playing with sample code from the book "Head first Ajax". Here are the salient pieces of code: Index.php - html piece: <body> <div id="wrapper"> <div id="thumbnailPane"> <img src="images/itemGuitar.jpg" width="301" height="105" alt="guitar" title="itemGuitar" id="itemGuitar" onclick="getDetails(this)"/> <img src="images/itemShades.jpg" alt="sunglasses" width="301" height="88" title="itemShades" id="itemShades" onclick="getDetails(this)" /> <img src="images/itemCowbell.jpg" alt="cowbell" width="301" height="126" title="itemCowbell" id="itemCowbell" onclick="getDetails(this)" /> <img src="images/itemHat.jpg" alt="hat" width="300" height="152" title="itemHat" id="itemHat" onclick="getDetails(this)" /> </div> <div id="detailsPane"> <img src="images/blank-detail.jpg" width="346" height="153" id="itemDetail" /> <div id="description"></div> </div> </div> </body> Index.php - script: function getDetails(img){ var title = img.title; request = createRequest(); if (request == null) { alert("Unable to create request"); return; } var url= "getDetails.php?ImageID=" + escape(title); request.open("GET", url, true); request.onreadystatechange = displayDetails; request.send(null); } function displayDetails() { if (request.readyState == 4) { if (request.status == 200) { detailDiv = document.getElementById("description"); detailDiv.innerHTML = request.responseText; }else{ return; } }else{ return; } request.send(null); } And Index.php: <?php $details = array ( 'itemGuitar' => "<p>Pete Townshend once played this guitar while his own axe was in the shop having bits of drumkit removed from it.</p>", 'itemShades' => "<p>Yoko Ono's sunglasses. While perhaps not valued much by Beatles fans, this pair is rumored to have been licked by John Lennon.</p>", 'itemCowbell' => "<p>Remember the famous \"more cowbell\" skit from Saturday Night Live? Well, this is the actual cowbell.</p>", 'itemHat' => "<p>Michael Jackson's hat, as worn in the \"Billie Jean\" video. Not really rock memorabilia, but it smells better than Slash's tophat.</p>" ); if (isset($_REQUEST['ImageID'])){echo $details[$_REQUEST['ImageID']];} ?> All this code does is that when someone clicks on a thumbnail, a corresponding text description appears on the page. Here is my question. I have tried to bring the getDetails.php code inside Index.php, and modify the getDetails function so that the var url be "Index.php?ImageID="... . When I do that, I get the following problem: the function does not display the snippet of text in the array, as it should. Instead it reproduces the entire code - the webpage, etc - and then at the bottom the expected snippet of text. Why is that?

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• Linq2SQL vs NHibernate performance (have I gone mad?)

  - by HeavyWave

  I have written the following tests to compare performance of Linq2SQL and NHibernate and I find results to be somewhat strange. Mappings are straight forward and identical for both. Both are running against a live DB. Although I'm not deleting Campaigns in case of Linq, but that shouldn't affect performance by more than 10 ms. Linq: [Test] public void Test1000ReadsWritesToAgentStateLinqPrecompiled() { Stopwatch sw = new Stopwatch(); Stopwatch swIn = new Stopwatch(); sw.Start(); for (int i = 0; i < 1000; i++) { swIn.Reset(); swIn.Start(); ReadWriteAndDeleteAgentStateWithLinqPrecompiled(); swIn.Stop(); Console.WriteLine("Run ReadWriteAndDeleteAgentState: " + swIn.ElapsedMilliseconds + " ms"); } sw.Stop(); Console.WriteLine("Total Time: " + sw.ElapsedMilliseconds + " ms"); Console.WriteLine("Average time to execute queries: " + sw.ElapsedMilliseconds / 1000 + " ms"); } private static readonly Func<AgentDesktop3DataContext, int, EntityModel.CampaignDetail> GetCampaignById = CompiledQuery.Compile<AgentDesktop3DataContext, int, EntityModel.CampaignDetail>( (ctx, sessionId) => (from cd in ctx.CampaignDetails join a in ctx.AgentCampaigns on cd.CampaignDetailId equals a.CampaignDetailId where a.AgentStateId == sessionId select cd).FirstOrDefault()); private void ReadWriteAndDeleteAgentStateWithLinqPrecompiled() { int id = 0; using (var ctx = new AgentDesktop3DataContext()) { EntityModel.AgentState agentState = new EntityModel.AgentState(); var campaign = new EntityModel.CampaignDetail { CampaignName = "Test" }; var campaignDisposition = new EntityModel.CampaignDisposition { Code = "123" }; campaignDisposition.Description = "abc"; campaign.CampaignDispositions.Add(campaignDisposition); agentState.CallState = 3; campaign.AgentCampaigns.Add(new AgentCampaign { AgentState = agentState }); ctx.CampaignDetails.InsertOnSubmit(campaign); ctx.AgentStates.InsertOnSubmit(agentState); ctx.SubmitChanges(); id = agentState.AgentStateId; } using (var ctx = new AgentDesktop3DataContext()) { var dbAgentState = ctx.GetAgentStateById(id); Assert.IsNotNull(dbAgentState); Assert.AreEqual(dbAgentState.CallState, 3); var campaignDetails = GetCampaignById(ctx, id); Assert.AreEqual(campaignDetails.CampaignDispositions[0].Description, "abc"); } using (var ctx = new AgentDesktop3DataContext()) { ctx.DeleteSessionById(id); } } NHibernate (the loop is the same): private void ReadWriteAndDeleteAgentState() { var id = WriteAgentState().Id; StartNewTransaction(); var dbAgentState = agentStateRepository.Get(id); Assert.IsNotNull(dbAgentState); Assert.AreEqual(dbAgentState.CallState, 3); Assert.AreEqual(dbAgentState.Campaigns[0].Dispositions[0].Description, "abc"); var campaignId = dbAgentState.Campaigns[0].Id; agentStateRepository.Delete(dbAgentState); NHibernateSession.Current.Transaction.Commit(); Cleanup(campaignId); NHibernateSession.Current.BeginTransaction(); } Results: NHibernate: Total Time: 9469 ms Average time to execute 13 queries: 9 ms Linq: Total Time: 127200 ms Average time to execute 13 queries: 127 ms Linq lost by 13.5 times! Event with precompiled queries (both read queries are precompiled). This can't be right, although I expected NHibernate to be faster, this is just too big of a difference, considering mappings are identical and NHibernate actually executes more queries against the DB.

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• Code Access Security and Sharepoint WebParts

  - by Gordon Carpenter-Thompson

  I've got a vague handle on how Code Access Security works in Sharepoint. I have developed a custom webpart and setup a CAS policy in my Manifest <CodeAccessSecurity> <PolicyItem> <PermissionSet class="NamedPermissionSet" version="1" Description="Permission set for Okana"> <IPermission class="Microsoft.SharePoint.Security.SharePointPermission, Microsoft.SharePoint.Security, Version=12.0.0.0, Culture=neutral, PublicKeyToken=71e9bce111e9429c" version="1" ObjectModel="True" Impersonate="True" /> <IPermission class="SecurityPermission" version="1" Flags="Assertion, Execution, ControlThread, ControlPrincipal, RemotingConfiguration" /> <IPermission class="AspNetHostingPermission" version="1" Level="Medium" /> <IPermission class="DnsPermission" version="1" Unrestricted="true" /> <IPermission class="EventLogPermission" version="1" Unrestricted="true"> <Machine name="localhost" access="Administer" /> </IPermission> <IPermission class="EnvironmentPermission" version="1" Unrestricted="true" /> <IPermission class="System.Configuration.ConfigurationPermission, System.Configuration, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a" version="1" Unrestricted="true"/> <IPermission class="System.Net.WebPermission, System, Version=1.0.5000.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" version="1" Unrestricted="true" /> <IPermission class="System.Net.WebPermission, System, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" Unrestricted="true" /> <IPermission class="System.Security.Permissions.FileIOPermission, mscorlib, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" version="1" Unrestricted="true" PathDiscovery="*AllFiles*" /> <IPermission class="IsolatedStorageFilePermission" version="1" Allowed="AssemblyIsolationByUser" UserQuota="9223372036854775807" /> <IPermission class="PrintingPermission" version="1" Level="DefaultPrinting" /> <IPermission class="PerformanceCounterPermission" version="1"> <Machine name="localhost"> <Category name="Enterprise Library Caching Counters" access="Write"/> <Category name="Enterprise Library Cryptography Counters" access="Write"/> <Category name="Enterprise Library Data Counters" access="Write"/> <Category name="Enterprise Library Exception Handling Counters" access="Write"/> <Category name="Enterprise Library Logging Counters" access="Write"/> <Category name="Enterprise Library Security Counters" access="Write"/> </Machine> </IPermission> <IPermission class="ReflectionPermission" version="1" Unrestricted="true"/> <IPermission class="SecurityPermission" version="1" Flags="SerializationFormatter, UnmanagedCode, Infrastructure, Assertion, Execution, ControlThread, ControlPrincipal, RemotingConfiguration, ControlAppDomain,ControlDomainPolicy" /> <IPermission class="SharePointPermission" version="1" ObjectModel="True" /> <IPermission class="SmtpPermission" version="1" Access="Connect" /> <IPermission class="SqlClientPermission" version="1" Unrestricted="true"/> <IPermission class="WebPartPermission" version="1" Connections="True" /> <IPermission class="WebPermission" version="1"> <ConnectAccess> <URI uri="$OriginHost$"/> </ConnectAccess> </IPermission> </PermissionSet> <Assemblies> .... </Assemblies> This is correctly converted into a wss_custom_wss_minimaltrust.config when it is deployed onto the Sharepoint server and mostly works. To get the WebPart working fully, however I find that I need to modify the wss_custom_wss_minimaltrust.config by hand after deployment and set Unrestricted="true" on the permissions set <PermissionSet class="NamedPermissionSet" version="1" Description="Permission set for MyApp" Name="mywebparts.wsp-86d8cae1-7db2-4057-8c17-dc551adb17a2-1"> to <PermissionSet class="NamedPermissionSet" version="1" Description="Permission set for MyApp" Name="mywebparts.wsp-86d8cae1-7db2-4057-8c17-dc551adb17a2-1" Unrestricted="true"> It's all because I'm loading a User Control from the webpart. I don't believe there is a way to enable that using CAS but am willing to be proven wrong. Is there a way to set something in the manifest so I don't need to make this fix by hand? Thanks

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• Model Object called in NSOutlineView DataSource Method Crashing App

  - by Alec Sloman

  I have a bewildering problem, hoping someone can assist: I have a model object, called Road. Here's the interface. @@@ @interface RoadModel : NSObject { NSString *_id; NSString *roadmapID; NSString *routeID; NSString *title; NSString *description; NSNumber *collapsed; NSNumber *isRoute; NSString *staff; NSNumber *start; NSArray *staffList; NSMutableArray *updates; NSMutableArray *uploads; NSMutableArray *subRoads; } @property (nonatomic, copy) NSString *_id; @property (nonatomic, copy) NSString *roadmapID; @property (nonatomic, copy) NSString *routeID; @property (nonatomic, copy) NSString *title; @property (nonatomic, copy) NSString *description; @property (nonatomic, copy) NSNumber *collapsed; @property (nonatomic, copy) NSNumber *isRoute; @property (nonatomic, copy) NSString *staff; @property (nonatomic, copy) NSNumber *start; @property (nonatomic, copy) NSArray *staffList; @property (nonatomic, copy) NSMutableArray *updates; @property (nonatomic, copy) NSMutableArray *uploads; @property (nonatomic, copy) NSMutableArray *subRoads; - (id)initWithJSONObject:(NSDictionary *)JSONObject; @end This part is fine. To give you some background, I'm translating a bunch of JSON into a proper model object so it's easier to work with. Now, I'm trying to display this in an NSOutlineView. This is where the problem is. In particular, I have created the table and a datasource. - (id)initWithRoads:(NSArray *)roads { if (self = [super init]) root = [[NSMutableArray alloc] initWithArray:roads]; return self; } - (NSInteger)outlineView:(NSOutlineView *)outlineView numberOfChildrenOfItem:(id)item { if (item == nil) return root.count; return 0; } - (BOOL)outlineView:(NSOutlineView *)outlineView isItemExpandable:(id)item { return NO; } - (id)outlineView:(NSOutlineView *)outlineView child:(NSInteger)index ofItem:(id)item { if (item == nil) item = root; if (item == root) return [root objectAtIndex:index]; return nil; } - (id)outlineView:(NSOutlineView *)outlineView objectValueForTableColumn:(NSTableColumn *)tableColumn byItem:(id)item { return [item title]; } In the final datasource method, it attempts to return the "title" string property of the model object, but for some reason crashes each time. I have checked that the method is taking in the correct object (I checked [item class] description], and it is the right object), but for some reason if I call any of the objects accessors the app immediately crashes. This is totally puzzling because in the init method, I can iterate through root (an array of RoadModel objects), and print any of its properties without issue. It is only when I'm trying to access the properties in any of the datasource methods that this occurs. I wonder if there is something memory-wise that is going on behind the scenes and I am not providing for it. If you can shed some light on to this situation, it would be greatly appreciated! Thanks in advance!

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• Issue with translating a delegate function from c# to vb.net for use with Google OAuth 2

  - by Jeremy

  I've been trying to translate a Google OAuth 2 example from C# to Vb.net for a co-worker's project. I'm having on end of issues translating the following methods: private OAuth2Authenticator<WebServerClient> CreateAuthenticator() { // Register the authenticator. var provider = new WebServerClient(GoogleAuthenticationServer.Description); provider.ClientIdentifier = ClientCredentials.ClientID; provider.ClientSecret = ClientCredentials.ClientSecret; var authenticator = new OAuth2Authenticator<WebServerClient>(provider, GetAuthorization) { NoCaching = true }; return authenticator; } private IAuthorizationState GetAuthorization(WebServerClient client) { // If this user is already authenticated, then just return the auth state. IAuthorizationState state = AuthState; if (state != null) { return state; } // Check if an authorization request already is in progress. state = client.ProcessUserAuthorization(new HttpRequestInfo(HttpContext.Current.Request)); if (state != null && (!string.IsNullOrEmpty(state.AccessToken) || !string.IsNullOrEmpty(state.RefreshToken))) { // Store and return the credentials. HttpContext.Current.Session["AUTH_STATE"] = _state = state; return state; } // Otherwise do a new authorization request. string scope = TasksService.Scopes.TasksReadonly.GetStringValue(); OutgoingWebResponse response = client.PrepareRequestUserAuthorization(new[] { scope }); response.Send(); // Will throw a ThreadAbortException to prevent sending another response. return null; } The main issue being this line: var authenticator = new OAuth2Authenticator<WebServerClient>(provider, GetAuthorization) { NoCaching = true }; The Method signature reads as for this particular line reads as follows: Public Sub New(tokenProvider As TClient, authProvider As System.Func(Of TClient, DotNetOpenAuth.OAuth2.IAuthorizationState)) My understanding of Delegate functions in VB.net isn't the greatest. However I have read over all of the MSDN documentation and other relevant resources on the web, but I'm still stuck as to how to translate this particular line. So far all of my attempts have resulted in either the a cast error (see below) or no call to GetAuthorization. The Code (vb.net on .net 3.5) Private Function CreateAuthenticator() As OAuth2Authenticator(Of WebServerClient) ' Register the authenticator. Dim client As New WebServerClient(GoogleAuthenticationServer.Description, oauth.ClientID, oauth.ClientSecret) Dim authDelegate As Func(Of WebServerClient, IAuthorizationState) = AddressOf GetAuthorization Dim authenticator = New OAuth2Authenticator(Of WebServerClient)(client, authDelegate) With {.NoCaching = True} 'Dim authenticator = New OAuth2Authenticator(Of WebServerClient)(client, GetAuthorization(client)) With {.NoCaching = True} 'Dim authenticator = New OAuth2Authenticator(Of WebServerClient)(client, New Func(Of WebServerClient, IAuthorizationState)(Function(c) GetAuthorization(c))) With {.NoCaching = True} 'Dim authenticator = New OAuth2Authenticator(Of WebServerClient)(client, New Func(Of WebServerClient, IAuthorizationState)(AddressOf GetAuthorization)) With {.NoCaching = True} Return authenticator End Function Private Function GetAuthorization(arg As WebServerClient) As IAuthorizationState ' If this user is already authenticated, then just return the auth state. Dim state As IAuthorizationState = AuthState If (Not state Is Nothing) Then Return state End If ' Check if an authorization request already is in progress. state = arg.ProcessUserAuthorization(New HttpRequestInfo(HttpContext.Current.Request)) If (state IsNot Nothing) Then If ((String.IsNullOrEmpty(state.AccessToken) = False Or String.IsNullOrEmpty(state.RefreshToken) = False)) Then ' Store Credentials HttpContext.Current.Session("AUTH_STATE") = state _state = state Return state End If End If ' Otherwise do a new authorization request. Dim scope As String = AnalyticsService.Scopes.AnalyticsReadonly.GetStringValue() Dim _response As OutgoingWebResponse = arg.PrepareRequestUserAuthorization(New String() {scope}) ' Add Offline Access and forced Approval _response.Headers("location") += "&access_type=offline&approval_prompt=force" _response.Send() ' Will throw a ThreadAbortException to prevent sending another response. Return Nothing End Function The Cast Error Server Error in '/' Application. Unable to cast object of type 'DotNetOpenAuth.OAuth2.AuthorizationState' to type 'System.Func`2[DotNetOpenAuth.OAuth2.WebServerClient,DotNetOpenAuth.OAuth2.IAuthorizationState]'. 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.InvalidCastException: Unable to cast object of type 'DotNetOpenAuth.OAuth2.AuthorizationState' to type 'System.Func`2[DotNetOpenAuth.OAuth2.WebServerClient,DotNetOpenAuth.OAuth2.IAuthorizationState]'. I've spent the better part of a day on this, and it's starting to drive me nuts. Help is much appreciated.

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• Why is this XMLHttpRequest sample from Mozilla is not working in Firefox 3?

  - by j0rd4n

  I'm trying to get the sample code from Mozilla that consumes a REST web service to work under Firefox 3.0.10. The following code does NOT work in Firefox but does in IE 8! Why is this not working? Does IE 8 have support for XMLHttpRequest? Most examples I've seen use the ActiveX allocation. What should I be doing? XMLHttpRequest seems more standardized. Sample: var req = new XMLHttpRequest(); req.open('GET', 'http://localhost/myRESTfulService/resource', false); // throws 'undefined' exception req.send(null); if(req.status == 0) dump(req.responseText); The open statement is throwing an exception with the description 'undefined'. This is strange as I allocate the req object, am running it in Firefox, and checked to make sure it is defined before calling open (which it says it is of type 'object'). I've also tried the asynchronous version of this with no luck. EDIT 2: Below is my most recent code: function createRequestObject() { if( window.XMLHttpRequest ) { return new XMLHttpRequest(); } else if( window.ActiveXObject ) { return new ActiveXObject( "Microsoft.XMLHTTP" ); } return null; } function handleResponse( req ) { document.writeln( "Handling response..." ); // NEVER GETS CALLED if( req.readyState == 0 ) { document.writeln( "UNITIALIZED" ); } else if( req.readyState == 1 ) { document.writeln( "LOADING" ); } else if( req.readyState == 2 ) { document.writeln( "LOADED" ); } else if( req.readyState == 3 ) { document.writeln( "INTERACTIVE" ); } else if( req.readyState == 4 ) { document.writeln( "COMPLETE" ); if( req.status == 200 ) { document.writeln( "SUCCESS" ); } } } document.writeln( "" ); var req = createRequestObject(); try { document.writeln( "Opening service..." ); req.onreadystatechange = function() { handleResponse( req ); }; req.open('POST', 'http://localhost/test/test2.txt', true); // WORKS IN IE8 & NOT FIREFOX document.writeln( "Sending service request..." ); req.send(''); document.writeln( "Done" ); } catch( err ) { document.writeln( "ERROR: " + err.description ); } EDIT 3: Alright, I reworked this in jQuery. jQuery works great in IE but it throws 'Undefined' when running from Firefox. I double checked and 'Enable JavaScript' is turned on in Firefox - seems to work fine in all other web pages. Below is the jQuery code: function handleResponse( resp ) { alert( "Name: " + resp.Name ); alert( "URL: " + resp.URL ); } $(document).ready( function() { $("a").click( function(event) { try { $.get( "http://localhost/services/ezekielservices/configservice/ezekielservices.svc/test", "{}", function(data) { handleResponse( data ); }, "json" ); } catch( err ) { alert("'$.get' threw an exception: " + err.description); } event.preventDefault(); }); } ); // End 'ready' check Summary of Solution: Alright, web lesson 101. My problem was indeed cross-domain. I was viewing my site unpublished (just on the file system) which was hitting a published service. When I published my site under the same domain it worked. Which also brings up an important distinction between IE and Firefox. When IE experiences this scenario, it prompts the user whether or not they accept the cross-domain call. Firefox throws an exception. While I'm fine with an exception, a more descriptive one would have been helpful. Thanks for all those who helped me.

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• jqGrid multiplesearch - How do I add and/or column for each row?

  - by jimasp

  I have a jqGrid multiple search dialog as below: (Note the first empty td in each row). What I want is a search grid like this (below), where: The first td is filled in with "and/or" accordingly. The corresponding search filters are also built that way. The empty td is there by default, so I assume that this is a standard jqGrid feature that I can turn on, but I can't seem to find it in the docs. My code looks like this: <script type="text/javascript"> $(document).ready(function () { var lastSel; var pageSize = 10; // the initial pageSize $("#grid").jqGrid({ url: '/Ajax/GetJqGridActivities', editurl: '/Ajax/UpdateJqGridActivities', datatype: "json", colNames: [ 'Id', 'Description', 'Progress', 'Actual Start', 'Actual End', 'Status', 'Scheduled Start', 'Scheduled End' ], colModel: [ { name: 'Id', index: 'Id', searchoptions: { sopt: ['eq', 'ne']} }, { name: 'Description', index: 'Description', searchoptions: { sopt: ['eq', 'ne']} }, { name: 'Progress', index: 'Progress', editable: true, searchoptions: { sopt: ['eq', 'ne', "gt", "ge", "lt", "le"]} }, { name: 'ActualStart', index: 'ActualStart', editable: true, searchoptions: { sopt: ['eq', 'ne', "gt", "ge", "lt", "le"]} }, { name: 'ActualEnd', index: 'ActualEnd', editable: true, searchoptions: { sopt: ['eq', 'ne', "gt", "ge", "lt", "le"]} }, { name: 'Status', index: 'Status.Name', editable: true, searchoptions: { sopt: ['eq', 'ne']} }, { name: 'ScheduledStart', index: 'ScheduledStart', searchoptions: { sopt: ['eq', 'ne', "gt", "ge", "lt", "le"]} }, { name: 'ScheduledEnd', index: 'ScheduledEnd', searchoptions: { sopt: ['eq', 'ne', "gt", "ge", "lt", "le"]} } ], jsonReader: { root: 'rows', id: 'Id', repeatitems: false }, rowNum: pageSize, // this is the pageSize rowList: [pageSize, 50, 100], pager: '#pager', sortname: 'Id', autowidth: true, shrinkToFit: false, viewrecords: true, sortorder: "desc", caption: "JSON Example", onSelectRow: function (id) { if (id && id !== lastSel) { $('#grid').jqGrid('restoreRow', lastSel); $('#grid').jqGrid('editRow', id, true); lastSel = id; } } }); // change the options (called via searchoptions) var updateGroupOpText = function ($form) { $('select.opsel option[value="AND"]', $form[0]).text('and'); $('select.opsel option[value="OR"]', $form[0]).text('or'); $('select.opsel', $form[0]).trigger('change'); }; // $(window).bind('resize', function() { // ("#grid").setGridWidth($(window).width()); //}).trigger('resize'); // paging bar settings (inc. buttons) // and advanced search $("#grid").jqGrid('navGrid', '#pager', { edit: true, add: false, del: false }, // buttons {}, // edit option - these are ordered params! {}, // add options {}, // del options {closeOnEscape: true, multipleSearch: true, closeAfterSearch: true, onInitializeSearch: updateGroupOpText, afterRedraw: updateGroupOpText}, // search options {} ); // TODO: work out how to use global $.ajaxSetup instead $('#grid').ajaxError(function (e, jqxhr, settings, exception) { var str = "Ajax Error!\n\n"; if (jqxhr.status === 0) { str += 'Not connect.\n Verify Network.'; } else if (jqxhr.status == 404) { str += 'Requested page not found. [404]'; } else if (jqxhr.status == 500) { str += 'Internal Server Error [500].'; } else if (exception === 'parsererror') { str += 'Requested JSON parse failed.'; } else if (exception === 'timeout') { str += 'Time out error.'; } else if (exception === 'abort') { str += 'Ajax request aborted.'; } else { str += 'Uncaught Error.\n' + jqxhr.responseText; } alert(str); }); $("#grid").jqGrid('bindKeys'); $("#grid").jqGrid('inlineNav', "#grid"); }); </script> <table id="grid"/> <div id="pager"/>

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• Why does Saxon evaluate the result-document URI to be the same?

  - by Jan

  My XSL source document looks like this <Topology> <Environment> <Id>test</Id> <Machines> <Machine> <Id>machine1</Id> <modules> <module>m1</module> <module>m2</module> </modules> </Machine> </Machines> </Environment> <Environment> <Id>production</Id> <Machines> <Machine> <Id>machine1</Id> <modules> <module>m1</module> <module>m2</module> </modules> </Machine> <Machine> <Id>machine2</Id> <modules> <module>m3</module> <module>m4</module> </modules> </Machine> </Machines> </Environment> </Topology> I want to create one result-document per machine, so I use the following stylesheet giving modelDir as path for the result-documents as parameter. <xsl:output method="xml" version="1.0" encoding="UTF-8" indent="yes" name="myXML" doctype-system="http://java.sun.com/dtd/properties.dtd"/> <xsl:template match="/"> <xsl:for-each-group select="/Topology/Environment/Machines/Machine" group-by="Id"> <xsl:variable name="machine" select="Id"/> <xsl:variable name="filename" select="concat($modelDir,$machine,'.xml')" /> <xsl:message terminate="no">Writing machine description to <xsl:value-of select="$filename"/></xsl:message> <xsl:result-document href="$filename" format="myXML"> <xsl:variable name="currentMachine" select="Id"/> <xsl:for-each select="current-group()/LogicalHosts/LogicalHost"> <xsl:variable name="environment" select="normalize-space(../../../../Id)"/> <xsl:message terminate="no">Module <xsl:value-of select="."/> for <xsl:value-of select="$environment"/></xsl:message> </xsl:for-each> </xsl:result-document> </xsl:for-each-group> </xsl:template> As my messages show me this seems to work fine - if saxon would not evaluate the URI of the result-document to be the same and thus give the following output. Writing machine description to target/build/model/m1.xml Module m1 for test Module m2 for test Module m1 for production Module m2 for production Writing machine description to target/build/model/m2.xml Error at xsl:result-document on line 29 of file:/C:/Projekte/.../machine.xsl: XTDE1490: Cannot write more than one result document to the same URI, or write to a URI that has been read: file:/C:/Projekte/.../$filename file:/C:/Projekte/.../machine.xsl(29,-1) : here Cannot write more than one result document to the same URI, or write to a URI that has been read: file:/C:/Projekte/.../$filename ; SystemID: file:/C:/Projekte/.../machine.xsl; Line#: 29; Column#: -1 net.sf.saxon.trans.DynamicError: Cannot write more than one result document to the same URI, or write to a URI that has been read: file:/C:/Projekte/.../$filename at net.sf.saxon.instruct.ResultDocument.processLeavingTail(ResultDocument.java:300) at net.sf.saxon.instruct.Block.processLeavingTail(Block.java:365) at net.sf.saxon.instruct.Instruction.process(Instruction.java:91) Any ideas on how to solve this?

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• Cant bind data to a table view

  - by sudhakarilla

  Hi, I have retrieved data from Json URL and displayed it in a table view. I have also inlcuced a button in table view. On clicking the button the data must be transferred to a another table view. The problem is that i could send the data to a view and could display it on a label. But i couldnt bind the dat to table view ... Here's some of the code snippets... Buy Button... -(IBAction)Buybutton{ /* UIAlertView *alert =[[UIAlertView alloc]initWithTitle:@"thank u" message:@"products" delegate:nil cancelButtonTitle:@"ok" otherButtonTitles:nil]; [alert show]; [alert release];*/ Product *selectedProduct = [[data products]objectAtIndex:0]; CartViewController *cartviewcontroller = [[[CartViewController alloc] initWithNibName:@"CartViewController" bundle:nil]autorelease]; cartviewcontroller.product= selectedProduct; //NSString *productname=[product ProductName]; //[currentproducts setproduct:productname]; [self.view addSubview:cartviewcontroller.view]; } CartView... // Implement viewDidLoad to do additional setup after loading the view, typically from a nib. - (void)viewDidLoad { [super viewDidLoad]; data = [GlobalData SharedData]; NSMutableArray *prod =[[NSMutableArray alloc]init]; prod = [data products]; for(NSDictionary *product in prod) { Cart *myprod = [[Cart alloc]init]; myprod.Description = [product Description]; myprod.ProductImage =[product ProductImage]; myprod.ProductName = [product ProductName]; myprod.SalePrice = [product SalePrice]; [data.carts addObject:myprod]; [myprod release]; } Cart *cart = [[data carts]objectAtIndex:0]; NSString *productname=[cart ProductName]; self.label.text =productname; NSLog(@"carts"); } (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView { return 1; } (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section { return [data.carts count]; } -(CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath { return 75; } (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath { NSLog(@"cellforrow"); static NSString *CellIdentifier = @"Cell"; ProductCell *cell = [tableView dequeueReusableCellWithIdentifier:CellIdentifier]; if(cell ==nil) { cell = [[[ProductCell alloc]initWithFrame:CGRectZero reuseIdentifier:CellIdentifier]autorelease]; } NSUInteger row = [indexPath row]; Cart *cart = [[data carts]objectAtIndex:row]; cell.productNameLabel.text = [cart ProductName]; /*NSString *sale = [[NSString alloc]initWithFormat:@"SalePrice:%@",[cart SalePrice]]; cell.salePriceLabel.text = sale; cell.DescriptionLabel.text = [cart Description]; NSMutableString imageUrl =[NSMutableString string]; [imageUrl appendFormat:@"http://demo.s2commerce.net/DesktopModules/S2Commerce/Images/Products/%@",[product ProductImage]]; NSLog(@"imageurl:%@",imageUrl); NSString mapURL = [imageUrl stringByReplacingPercentEscapesUsingEncoding:NSASCIIStringEncoding]; NSData* imageData = [[NSData alloc]initWithContentsOfURL:[NSURL URLWithString:mapURL]]; UIImage* image = [[UIImage alloc]initWithData:imageData]; cell.productImageview.image = image; [imageData release]; [image release];*/ return cell; } I am also getting the following error in the console 2010-06-11 18:34:29.169 navigation[4109:207] * -[CartViewController tableView:numberOfRowsInSection:]: message sent to deallocated instance 0xcb4d4f90

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• xmlpullparser(), whats wrong with my code?

  - by Avinazz

  I am expecting output to be an array list filled with all items as "thought" but instead, every time i add a value into arraylist, the previous value in list also gets update with new, hence resulting in duplicates. This behaviour goes on till end. Even though i have achieved the result by changing the approach, failure of my previous approach still bothers me. Any help or pointer will be really appreciated. Below is xml snippet: <Thoughts> <country> <name>India</name> <item> <itemId>1</itemId> <itemDetailImage>detail.png</itemDetailImage> <itemImage>image1.png</itemImage> <itemDesc>Item Description 1</itemDesc> <itemTitle>Item Title 1</itemTitle> </item> <item> <itemId>2</itemId> <itemDetailImage>detail2.png</itemDetailImage> <itemImage>image2.png</itemImage> <itemDesc>Item Description 2</itemDesc> <itemTitle>Item Title 2</itemTitle> </item> <item> <itemId>3</itemId> <itemDetailImage>detail3.png</itemDetailImage> <itemImage>image3.png</itemImage> <itemDesc>Item Description 3</itemDesc> <itemTitle>Item Title 3</itemTitle> </item> Below is a method for my trial and error: private void printAll() throws XmlPullParserException, IOException{ XmlPullParserFactory factory = XmlPullParserFactory.newInstance(); factory.setNamespaceAware(false); XmlPullParser parser = factory.newPullParser(); URL url = new URL("http://192.168.1.3/DefaultXML.xml"); URLConnection ucon = url.openConnection(); InputStream is = ucon.getInputStream(); parser.setInput(is, null); int eventType = parser.getEventType(); String name; while(eventType != parser.END_DOCUMENT){ if(eventType == parser.START_DOCUMENT){ Log.i(TAG,"Start document"); }else if (eventType == parser.START_TAG ) { name = parser.getName(); if(name.equalsIgnoreCase(NAME)){ this.cName = new Country(); this.cName.setName(parser.nextText()); }else if(name.equalsIgnoreCase(ITEM_DESC)){ this.thought.setItemDesc(parser.nextText()); }else if (name.equalsIgnoreCase(ITEM_ID)) { this.thought.setItemID(parser.nextText()); }else if (name.equalsIgnoreCase(ITEM_DETAIL_IMAGE)) { this.thought.setItemDetailImage(parser.nextText()); }else if (name.equalsIgnoreCase(ITEM_IMAGE)) { this.thought.setItemImage(parser.nextText()); }else if (name.equalsIgnoreCase(ITEM_TITLE)) { this.thought.setItemTitle(parser.nextText()); } }else if (eventType == parser.END_TAG) { name = parser.getName(); if(name.equalsIgnoreCase(ITEM)) { this.cName.setThought(this.thought); ctry.add(cName); this.thought = new Thought(); } } eventType = parser.next(); } //Log.i(TAG,"---" + ctry.toString()); }

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• fetching rss feed, mktime problem (wordpress plugin)

  - by krike

  sorry for the weird question but actually I'm not sure how to ask this. the code works fine but the problem is the following. I fetch items from feeds and compare them to a specific date which is stored into the database as an option. I see if the fetched item is more recent or not and if it is I create a new pending post. however there is one item that just keeps being added because there is something wrong with the date and I don't understand what is wrong because all other items (before and after) are blocked once they are being added as post (so when they are not recent anymore compared with the date I store as an option) I then echo'ed that line and this is the result: yes it exist! 27-03-2010-04-03 Free Exclusive Vector Icon Pack: Web User Interface 29-01-2010-03-01 if(1330732800 < 1335830400) 01 05 2012 the first line is to see if the option still exist and what data was stored in it the second is the actual items that's causing all the problem, it's initial date is less recent then the date but still passes as more recent.... this is the code I use, any help would be great: if(!get_option('feed_last_date')): echo "nope doesn't exist, but were creating one"; $time = time()-60*60*24*30*3; add_option("feed_last_date", date('d-m-Y-h-m', $time)); else: echo "yes it exist! ".get_option('feed_last_date'); endif; //Create new instance of simple pie and pass in feed link $feed = new SimplePie($feeds); //Call function handle_content_type() $feed->handle_content_type(); $last_date = explode("-", get_option('feed_last_date')); $day = $last_date[0]; $month = $last_date[1]; $year = $last_date[2]; $hour = $last_date[3]; $minute = $last_date[4]; $last_date = mktime(0,0,0, $day, $month, $year); //4 - Loop through received items foreach($feed->get_items(0, 500) as $item) : $feed_date = explode("-", $item->get_date('d-m-Y-h-m')); $day = $feed_date[0]; $month = $feed_date[1]; $year = $feed_date[2]; $hour = $feed_date[3]; $minute = $feed_date[4]; $feed_date = mktime(0,0,0,$day, $month, $year); if($last_date < $feed_date): echo $item->get_title()." ". $item->get_date('d-m-Y-h-m') ." if(".$last_date." < ".$feed_date.") <b>".date("d m Y", $feed_date)."</b><br />"; //if datum is newer then stored in database, then create new post $description = "<h3>download the resource</h3><p><a href='".$item->get_permalink()."' target='_blank'>".$item->get_permalink()."</a></p><h3>Resource description</h3><p>".$item->get_description()."</p>"; $new_post = array( 'post_title' => $item->get_title(), 'post_content' => $description, 'post_status' => 'pending', 'post_date' => date('Y-m-d H:i:s'), 'post_author' => $user_ID, 'post_type' => 'post', 'post_category' => array(0) ); $post_id = wp_insert_post($new_post); endif; endforeach; update_option("feed_last_date", date('d-m-Y-h-m', time()));

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• jQuery , Trigger change event on newly created elements

  - by kwhohasamullet

  Hi Guys, I have a button in a form that when clicked adds another set of form fields, In these form fields there are 2 drop downs where the contents of the 2nd dropdown rely on what is selected in the first dropdown... What i want to do is when the new form field button is clicked for the new items to be added and then the change event to be triggered on the drop down that was created so what only that drop down changes and not all the drop downs with the same name currently in that form. THe first drop down is called product Category The code for the addFormField function is: function addFormField() { var id = document.getElementById("field_id").value; $("#products").append("<table width='600' cellpadding='5' cellspacing='0' class='Add_Products' id='row" + id + "'><td width='250' class='left'><label>Select Product Category</label></td><td class='right' ><label><select name='" + id + "' id='ProductCategory'><?php foreach($categories as $key=>$category){ echo "<option value=".$key.">".$category."</option>"; } ?></select></label></td></tr><tr><td width='250' class='left'><label>Select Product Template</label></td><td class='right' ><label><select name='data[QuoteItem][" + id + "][product_id]' id='QuoteItem" + id + "product_id' class='Product' title='" + id + "'></select></label></td></tr><tr ><td class='left'>Name</td><td class='right'><label><input name='data[QuoteItem][" + id + "][name]' type='text' id='QuoteItem" + id + "name' size='50' /></label></td></tr><tr ><td class='left'>Price (ex GST)</td><td class='right'><input type='text' name='data[QuoteItem][" + id + "][price]' id='QuoteItem" + id + "price' onchange='totalProductPrice();' class='quote-item-price' value='0' /></td></tr><tr><td class='left'>Description</td><td class='right'><label><textarea name='data[QuoteItem][" + id + "][description]' cols='38' rows='5' id='QuoteItem" + id + "description'></textarea></label></td></tr><tr><td><a href='#' onClick='removeFormField(\"#row" + id + "\"); return false;'>Remove</a></td></tr></table>"); $('#row' + id).highlightFade({ speed:1000 }); id = (id - 1) + 2; document.getElementById("field_id").value = id; } The code that detects change in ProductCategory dropdown and triggers the AJAX is below: $("select#ProductCategory").live('change', function(){ var url = base + "/quotes/productList/" + $(this).val() + ""; var id = $(this).attr('name'); $.getJSON(url,{id: $(this).val(), ajax: 'true'}, function(j){ var options = ''; options += '<option value="0">None</option>'; $.each(j, function(key, value){ options += '<option value="' + key + '">' + value + '</option>'; }) $("select#QuoteItem" + id + "product_id").html(options); }) }).trigger('change'); I have been trying all afternoon to work this out and the closest one i got to work applied the returned ajax values to all items. Currently using the live function people can add new fields and are able to use the drops down independant of each other dropdown but its only when the field is first added that i have trouble getting is populated Thanks in advance for any help

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• ANT: ways to include libraries and license issues

  - by Eric Tobias

  I have been trying to use Ant to compile and ready a project for distribution. I have encountered several problems along the way that I have been finally able to solve but the solution leaves me very unsatisfied. First, let me explain the set-up of the project and its dependencies. I have a project, lets call it Primary which depends on a couple of libraries such as the fantastic Guava. It also depends on another project of mine, lets call it Secondary. The Secondary project also features some dependencies, for example, JDOM2. I have referenced the Jar I build with Ant in Primary. Let me give you the interesting bits of the build.xml so you can get a picture of what I am doing: <project name="Primary" default="all" basedir="."> <property name='build' location='dist' /> <property name='application.version' value='1.0'/> <property name='application.name' value='Primary'/> <property name='distribution' value='${application.name}-${application.version}'/> <path id='compile.classpath'> <fileset dir='libs'> <include name='*.jar'/> </fileset> </path> <target name='compile' description='Compile source files.'> <javac includeantruntime="false" srcdir="src" destdir="bin"> <classpath refid='compile.classpath'/> </javac> <target> <target name='jar' description='Create a jar file for distribution.' depends="compile"> <jar destfile='${build}/${distribution}.jar'> <fileset dir="bin"/> <zipgroupfileset dir="libs" includes="*.jar"/> </jar> </target> The Secodnary project's build.xml is nearly identical except that it features a manifest as it needs to run: <target name='jar' description='Create a jar file for distribution.' depends="compile"> <jar destfile='${dist}/${distribution}.jar' basedir="${build}" > <fileset dir="${build}"/> <zipgroupfileset dir="libs" includes="*.jar"/> <manifest> <attribute name="Main-Class" value="lu.tudor.ssi.kiss.climate.ClimateChange"/> </manifest> </jar> </target> After I got it working, trying for many hours to not include that dependencies as class files but as Jars, I don't have the time or insight to go back and try to figure out what I did wrong. Furthermore, I believe that including these libraries as class files is bad practice as it could give rise to licensing issues while not packaging them and merely including them in a directory along the build Jar would most probably not (And if it would you could choose not to distribute them yourself). I think my inability to correctly assemble the class path, I always received NoClassDefFoundError for classes or libraries in the Primary project when launching Second's Jar, is that I am not very experienced with Ant. Would I require to specify a class path for both projects? Specifying the class path as . should have allowed me to simply add all dependencies to the same folder as Secondary's Jar, should it not?

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• Need help to properly remove duplicates in NHibernate

  - by Michael D. Kirkpatrick

  Here is the problem I am having. I have a database with over 100 records in it. I am paging through the data to get 9 results at a time. When I added a check to see if items are active, it caused the results to start doubling up. A little background: "Product" is the actual product line "ProductSkus" are the actual products that exist in the product line When there is more then 1 ProductSku within Product, it causes a duplicate entry to be returned. See the NHibernate Query below: result = this.Session.CreateCriteria<Model.Product>() .Add(Expression.Eq("IsActive", true)) .AddOrder(new Order("Name", true)) .SetFirstResult(indexNumber).SetMaxResults(maxNumber) // This part of the query duplicates the products .CreateAlias("ProductSkus", "ProdSkus", JoinType.InnerJoin) .Add(Expression.Eq("ProdSkus.IsActive", true)) .CreateAlias("ProductToSubcategory", "ProdToSubcat") .CreateAlias("ProdToSubcat.ProductSubcategory", "ProdSubcat") .Add(Expression.Eq("ProdSubcat.ID", subCatId)) // This part takes out the duplicate products - Removes too many items... // Turns out that with .SetFirstResult(indexNumber).SetMaxResults(maxNumber) // it gets 9 records back then the duplicates are removed. // Example: // Total Records over 100 // Max = 9 // 4 Duplicates removed // Yields 5 records when there should be 9 // Why??? This line is ran in NHibernate on the data after it has been extracted from the SQL server. .SetResultTransformer(new NHibernate.Transform.DistinctRootEntityResultTransformer()) .List<Model.Product>(); I added the DistinctRootEntityResultTransformer to clean up the duplicates. The problem is that it pulls 9 records back that contains duplicates. DistinctRootEntityResultTransformer then cleans up the duplicates in the 9 records. I am basically needing a distinct statement to be ran on the SQL server to begin with. However, distinct on SQL is not going to work since NHibernate by default wants to add every field from every table in the select part of the statement. I am only using the fields that belong to the root table to begin with (Model.Product). If I can tell NHibernate to not add the fields to the joined tables into the select part of the statement along with adding Distinct, it would work. I use NHibernare Profiler to see the actual query: SELECT top 9 this_.ID as ID351_3_, this_.Name as Name351_3_, this_.Description as Descript3_351_3_, this_.IsActive as IsActive351_3_, this_.ManufacturerID as Manufact5_351_3_, prodskus1_.ID as ID373_0_, prodskus1_.Description as Descript2_373_0_, prodskus1_.PartNumber as PartNumber373_0_, prodskus1_.Price as Price373_0_, prodskus1_.IsKit as IsKit373_0_, prodskus1_.IsActive as IsActive373_0_, prodskus1_.IsFeaturedProduct as IsFeatur7_373_0_, prodskus1_.DateAdded as DateAdded373_0_, prodskus1_.Weight as Weight373_0_, prodskus1_.TimesViewed as TimesVi10_373_0_, prodskus1_.TimesOrdered as TimesOr11_373_0_, prodskus1_.ProductID as ProductID373_0_, prodskus1_.OverSizedBoxID as OverSiz13_373_0_, prodtosubc2_.ID as ID362_1_, prodtosubc2_.MasterSubcategory as MasterSu2_362_1_, prodtosubc2_.ProductID as ProductID362_1_, prodtosubc2_.ProductSubcategoryID as ProductS4_362_1_, prodsubcat3_.ID as ID352_2_, prodsubcat3_.Name as Name352_2_, prodsubcat3_.ProductCategoryID as ProductC3_352_2_, prodsubcat3_.ImageID as ImageID352_2_, prodsubcat3_.TriggerShow as TriggerS5_352_2_ FROM Product this_ inner join ProductSku prodskus1_ on this_.ID = prodskus1_.ProductID and (prodskus1_.IsActive = 1) inner join ProductToSubcategory prodtosubc2_ on this_.ID = prodtosubc2_.ProductID inner join ProductSubcategory prodsubcat3_ on prodtosubc2_.ProductSubcategoryID = prodsubcat3_.ID WHERE this_.IsActive = 1 /* @p0 */ and prodskus1_.IsActive = 1 /* @p1 */ and prodsubcat3_.ID = 3 /* @p2 */ ORDER BY this_.Name asc If I hand modify the query and run it directly on the SQL server I get the result set I want (I removed all the extra fields in the select section and added DISTINCT): SELECT DISTINCT top 9 this_.ID as ID351_3_, this_.Name as Name351_3_, this_.Description as Descript3_351_3_, this_.IsActive as IsActive351_3_, this_.ManufacturerID as Manufact5_351_3_, FROM Product this_ inner join ProductSku prodskus1_ on this_.ID = prodskus1_.ProductID and (prodskus1_.IsActive = 1) inner join ProductToSubcategory prodtosubc2_ on this_.ID = prodtosubc2_.ProductID inner join ProductSubcategory prodsubcat3_ on prodtosubc2_.ProductSubcategoryID = prodsubcat3_.ID WHERE this_.IsActive = 1 /* @p0 */ and prodskus1_.IsActive = 1 /* @p1 */ and prodsubcat3_.ID = 3 /* @p2 */ ORDER BY this_.Name asc The big question I now must ask is... What must I change in the NHibernate Query to ultimately get the exact same result? Thanks in advance.

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