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  • What would be a correct implemantation of JSF Converter if I need to get an Integer to run a query?

    - by Ignacio
    HI here's my code: List.xhmtl <h:selectOneMenu value="#{produtosController.items}"> <f:selectItems value="#{produtosController.itemsAvailableSelectOne}"/> </h:selectOneMenu> <h:commandButton action="#{produtosController.createByCodigos}" value="Buscar" /> My Controller Class with innner Converter implemantation @ManagedBean (name="produtosController") @SessionScoped public class ProdutosController { private Produtos current; private DataModel items = null; @EJB private controladores.ProdutosFacade ejbFacade; private PaginationHelper pagination; private int selectedItemIndex; public ProdutosController() { } public Produtos getSelected() { if (current == null) { current = new Produtos(); selectedItemIndex = -1; } return current; } private ProdutosFacade getFacade() { return ejbFacade; } public PaginationHelper getPagination() { if (pagination == null) { pagination = new PaginationHelper(10) { @Override public int getItemsCount() { return getFacade().count(); } @Override public DataModel createPageDataModel() { return new ListDataModel(getFacade().findRange(new int[]{getPageFirstItem(), getPageFirstItem()+getPageSize()})); } }; } return pagination; } public String prepareList() { recreateModel(); return "List"; } public String prepareView() { current = (Produtos)getItems().getRowData(); selectedItemIndex = pagination.getPageFirstItem() + getItems().getRowIndex(); return "View"; } public String prepareCreate() { current = new Produtos(); selectedItemIndex = -1; return "Create"; } public String create() { try { getFacade().create(current); JsfUtil.addSuccessMessage(ResourceBundle.getBundle("/Bundle").getString("ProdutosCreated")); return prepareCreate(); } catch (Exception e) { JsfUtil.addErrorMessage(e, ResourceBundle.getBundle("/Bundle").getString("PersistenceErrorOccured")); return null; } } public String createByMarcas() { items = new ListDataModel(ejbFacade.findByMarcas(current.getIdMarca())); updateCurrentItem(); return "List"; } public String createByModelos() { items = new ListDataModel(ejbFacade.findByModelos(current.getIdModelo())); updateCurrentItem(); return "List"; } public String createByCodigos(){ items = new ListDataModel(ejbFacade.findByCodigo(current.getCodigo())); updateCurrentItem(); return "List"; } public String prepareEdit() { current = (Produtos)getItems().getRowData(); selectedItemIndex = pagination.getPageFirstItem() + getItems().getRowIndex(); return "Edit"; } public String update() { try { getFacade().edit(current); JsfUtil.addSuccessMessage(ResourceBundle.getBundle("/Bundle").getString("ProdutosUpdated")); return "View"; } catch (Exception e) { JsfUtil.addErrorMessage(e, ResourceBundle.getBundle("/Bundle").getString("PersistenceErrorOccured")); return null; } } public String destroy() { current = (Produtos)getItems().getRowData(); selectedItemIndex = pagination.getPageFirstItem() + getItems().getRowIndex(); performDestroy(); recreateModel(); return "List"; } public String destroyAndView() { performDestroy(); recreateModel(); updateCurrentItem(); if (selectedItemIndex >= 0) { return "View"; } else { // all items were removed - go back to list recreateModel(); return "List"; } } private void performDestroy() { try { getFacade().remove(current); JsfUtil.addSuccessMessage(ResourceBundle.getBundle("/Bundle").getString("ProdutosDeleted")); } catch (Exception e) { JsfUtil.addErrorMessage(e, ResourceBundle.getBundle("/Bundle").getString("PersistenceErrorOccured")); } } private void updateCurrentItem() { int count = getFacade().count(); if (selectedItemIndex >= count) { // selected index cannot be bigger than number of items: selectedItemIndex = count-1; // go to previous page if last page disappeared: if (pagination.getPageFirstItem() >= count) { pagination.previousPage(); } } if (selectedItemIndex >= 0) { current = getFacade().findRange(new int[]{selectedItemIndex, selectedItemIndex+1}).get(0); } } public DataModel getItems() { if (items == null) { items = getPagination().createPageDataModel(); } return items; } private void recreateModel() { items = null; } public String next() { getPagination().nextPage(); recreateModel(); return "List"; } public String previous() { getPagination().previousPage(); recreateModel(); return "List"; } public SelectItem[] getItemsAvailableSelectMany() { return JsfUtil.getSelectItems(ejbFacade.findAll(), false); } public SelectItem[] getItemsAvailableSelectOne() { return JsfUtil.getSelectItems(ejbFacade.findAll(), true); } @FacesConverter(forClass=Produtos.class) public static class ProdutosControllerConverter implements Converter{ public Object getAsObject(FacesContext facesContext, UIComponent component, String value) { if (value == null || value.length() == 0) { return null; } ProdutosController controller = (ProdutosController)facesContext.getApplication().getELResolver(). getValue(facesContext.getELContext(), null, "produtosController"); return controller.ejbFacade.find(getKey(value)); } java.lang.Integer getKey(String value) { java.lang.Integer key; key = Integer.decode(value); return key; } String getStringKey(java.lang.Integer value) { StringBuffer sb = new StringBuffer(); sb.append(value); return sb.toString(); } public String getAsString(FacesContext facesContext, UIComponent component, Object object) { if (object == null) { return null; } if (object instanceof Produtos) { Produtos o = (Produtos) object; return getStringKey(o.getCodigo()); } else { throw new IllegalArgumentException("object " + object + " is of type " + object.getClass().getName() + "; expected type: "+ProdutosController.class.getName()); } } } } and my EJB @Entity @ViewScoped @Table(name = "produtos") @NamedQueries({ @NamedQuery(name = "Produtos.findAll", query = "SELECT p FROM Produtos p"), @NamedQuery(name = "Produtos.findById", query = "SELECT p FROM Produtos p WHERE p.id = :id"), @NamedQuery(name = "Produtos.findByCodigo", query = "SELECT p FROM Produtos p WHERE p.codigo = :codigo"), @NamedQuery(name = "Produtos.findByDescripcion", query = "SELECT p FROM Produtos p WHERE p.descripcion = :descripcion"), @NamedQuery(name = "Produtos.findByImagen", query = "SELECT p FROM Produtos p WHERE p.imagen = :imagen"), @NamedQuery(name = "Produtos.findByMarcas", query="SELECT m FROM Produtos m WHERE m.idMarca.id = :idMarca"), @NamedQuery(name = "Produtos.findByModelos", query="SELECT m FROM Produtos m WHERE m.idModelo.id = :idModelo")}) public class Produtos implements Serializable { private static final long serialVersionUID = 1L; @Id @GeneratedValue(strategy = GenerationType.IDENTITY) @Basic(optional = false) @Column(name = "id") private Integer id; @Column(name = "codigo") private Integer codigo; @Column(name = "descripcion") private String descripcion; @Column(name = "imagen") private String imagen; @JoinColumn(name = "id_modelo", referencedColumnName = "id") @ManyToOne(optional = false) private Modelos idModelo; @JoinColumn(name = "id_marca", referencedColumnName = "id") @ManyToOne(optional = false) private Marcas idMarca; public Produtos() { } public Produtos(Integer id) { this.id = id; } public Integer getId() { return id; } public void setId(Integer id) { this.id = id; } public Integer getCodigo() { return codigo; } public void setCodigo(Integer codigo) { this.codigo = codigo; } public String getDescripcion() { return descripcion; } public void setDescripcion(String descripcion) { this.descripcion = descripcion; } public String getImagen() { return imagen; } public void setImagen(String imagen) { this.imagen = imagen; } public Modelos getIdModelo() { return idModelo; } public void setIdModelo(Modelos idModelo) { this.idModelo = idModelo; } public Marcas getIdMarca() { return idMarca; } public void setIdMarca(Marcas idMarca) { this.idMarca = idMarca; } @Override public int hashCode() { int hash = 0; hash += (id != null ? id.hashCode() : 0); return hash; } @Override public boolean equals(Object object) { // TODO: Warning - this method won't work in the case the id fields are not set if (!(object instanceof Produtos)) { return false; } Produtos other = (Produtos) object; if ((this.id == null && other.id != null) || (this.id != null && !this.id.equals(other.id))) { return false; } return true; } @Override public String toString() { return "" + codigo + ""; } }

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  • Primefaces: java.lang.ClassCastException: java.util.HashMap cannot be cast to ClassObject

    - by razegarra
    I have a problem with p:dataTable in Primefaces, I can not find the error. Class UsuarioAsig: public class UsuarioAsig { private BigDecimal codigopersona; private String nombre; private String paterno; private String materno; private String login; private String observacion; private String tipocontrol; private String externo; private String habilitado; private String nombreperfil; private BigDecimal codigousuario; ...get and set...} Class UsuarioAsigListaDataModel: public class UsuarioAsigListaDataModel extends ListDataModel<UsuarioAsig> implements SelectableDataModel<UsuarioAsig> { public UsuarioAsigListaDataModel(){} public UsuarioAsigListaDataModel(List<UsuarioAsig> data){super(data);} @Override public UsuarioAsig getRowData(String rowKey) { @SuppressWarnings("unchecked") List<UsuarioAsig> listaUsuarioAsigLectura = (List<UsuarioAsig>) getWrappedData(); for (UsuarioAsig usuarioAsig : listaUsuarioAsigLectura) { if (usuarioAsig.getCodigopersona().equals(rowKey)) { return usuarioAsig; } } return null; } @Override public Object getRowKey(UsuarioAsig usuarioAsig) { return usuarioAsig.getCodigopersona(); }} Controller UsuarioAsigController: @Controller("usuarioAsigController") @Scope(value = "session") public class UsuarioAsigController { private List<UsuarioAsig> listaUsuarioAsig; private HashMap<String, Object> selUsuarioAsig; private UsuarioAsigListaDataModel mediumUsuarioAsigModel; @Autowired UsuarioService usuarioService; ... public List<UsuarioAsig> getListaUsuarioAsig() { listaUsuarioAsig = usuarioService.selectAsig(); return listaUsuarioAsig; } public void setListaUsuarioAsig(List<UsuarioAsig> listaUsuarioAsig) { this.listaUsuarioAsig = listaUsuarioAsig; } public void setMediumUsuarioAsigModel(UsuarioAsigListaDataModel mediumUsuarioAsigModel) { this.mediumUsuarioAsigModel = mediumUsuarioAsigModel; } public UsuarioAsigListaDataModel getMediumUsuarioAsigModel() { listaUsuarioAsig = usuarioService.selectAsig(); mediumUsuarioAsigModel = new UsuarioAsigListaDataModel(listaUsuarioAsig); return mediumUsuarioAsigModel; } public void onRowSelect(SelectEvent event) { FacesMessage msg = new FacesMessage("Usuario seleccionado", ((UsuarioAsig) event.getObject()).getNombre()); FacesContext.getCurrentInstance().addMessage(null, msg); } } the error is generated when you click on one of the lines of datatable: asiginst.xhtml: <h:form id="form"> <p:growl id="msgs" showDetail="true" /> <p:dataTable id="usuarioAsigListaDataModel" var="usuarioAsig" value="#{usuarioAsigController.mediumUsuarioAsigModel}" rowKey="#{usuarioAsig.codigopersona}" selection="#{usuarioAsigController.selUsuarioAsig}" selectionMode="single" paginator="true" rows="10"> <p:ajax event="rowSelect" listener="#{usuarioAsigController.onRowSelect}" update=":form:msgs" /> <p:column headerText="Código" style="width:10%">#{usuarioAsig.codigopersona}</p:column> <p:column headerText="Nombre" style="width:32%">#{usuarioAsig.nombre}</p:column> <p:column headerText="Apellidos" style="width:32%">#{usuarioAsig.paterno} #{usuarioasig.materno}</p:column> <p:column headerText="Tipo Control" style="width:20%">#{usuarioAsig.tipocontrol}</p:column> <p:column headerText="Habilitado" style="width:6%">#{usuarioAsig.habilitado}</p:column> </p:dataTable> </h:form> THE ERROR IS GENERATED: WARNING: asiginst.xhtml @51,103 listener="#{usuarioAsigController.onRowSelect}": java.lang.ClassCastException: java.util.HashMap cannot be cast to com.datos.entidades.qry.UsuarioAsig javax.el.ELException: asiginst.xhtml @51,103 listener="#{usuarioAsigController.onRowSelect}": java.lang.ClassCastException: java.util.HashMap cannot be cast to com.datos.entidades.qry.UsuarioAsig at com.sun.faces.facelets.el.TagMethodExpression.invoke(TagMethodExpression.java:111) at org.primefaces.behavior.ajax.AjaxBehaviorListenerImpl.processArgListener(AjaxBehaviorListenerImpl.java:69) at org.primefaces.behavior.ajax.AjaxBehaviorListenerImpl.processAjaxBehavior(AjaxBehaviorListenerImpl.java:56) at org.primefaces.event.SelectEvent.processListener(SelectEvent.java:40) at javax.faces.component.behavior.BehaviorBase.broadcast(BehaviorBase.java:102) at javax.faces.component.UIComponentBase.broadcast(UIComponentBase.java:760) at javax.faces.component.UIData.broadcast(UIData.java:1071) at javax.faces.component.UIData.broadcast(UIData.java:1093) at javax.faces.component.UIViewRoot.broadcastEvents(UIViewRoot.java:794) at javax.faces.component.UIViewRoot.processApplication(UIViewRoot.java:1259) at com.sun.faces.lifecycle.InvokeApplicationPhase.execute(InvokeApplicationPhase.java:81) at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:101) at com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:118) at javax.faces.webapp.FacesServlet.service(FacesServlet.java:409) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:225) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:169) at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:472) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:168) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:98) at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:927) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:407) at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:999) at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:565) at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:309) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603) at java.lang.Thread.run(Thread.java:722) Caused by: java.lang.ClassCastException: java.util.HashMap cannot be cast to com.datos.entidades.qry.UsuarioAsig at com.controller.UsuarioAsigController.onRowSelect(UsuarioAsigController.java:217) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:601) at org.apache.el.parser.AstValue.invoke(AstValue.java:264) at org.apache.el.MethodExpressionImpl.invoke(MethodExpressionImpl.java:278) at com.sun.faces.facelets.el.TagMethodExpression.invoke(TagMethodExpression.java:105) ... 29 more

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  • Trouble on setting SSL certificates for Virtual Hosts using Apache\Phusion Passenger in localhost

    - by user502052
    I am using Ruby on Rails 3 and I would like to make to work HTTPS connections on localhost. I am using: Apache v2 + Phusion Passenger Mac OS + Snow Leopard v10.6.6 My Ruby on Rails installation use the Typhoeus gem (it is possible to use the Ruby net\http library but the result doesn't change) to make HTTP requests over HTTPS. I created self-signed ca.key, pjtname.crt and pjtname.key as detailed on the Apple website. Notice: Following instruction from the Apple website, on running the openssl req -new -key server.key -out server.csr command (see the link) at this point Common Name (eg, YOUR name) []: (this is the important one) I entered *pjtname.com so that is valid for all sub_domain of that site. In my Apache httpd.conf I have two virtual hosts configured in this way: # Secure (SSL/TLS) connections #Include /private/etc/apache2/extra/httpd-ssl.conf # # Note: The following must must be present to support # starting without SSL on platforms with no /dev/random equivalent # but a statically compiled-in mod_ssl. # <IfModule ssl_module> SSLRandomSeed startup builtin SSLRandomSeed connect builtin </IfModule> Include /private/etc/apache2/other/*.conf # Passenger configuration LoadModule passenger_module /Users/<my_user_name>/.rvm/gems/ruby-1.9.2-p136/gems/passenger-3.0.2/ext/apache2/mod_passenger.so PassengerRoot /Users/<my_user_name>/.rvm/gems/ruby-1.9.2-p136/gems/passenger-3.0.2 PassengerRuby /Users/<my_user_name>/.rvm/wrappers/ruby-1.9.2-p136/ruby # Go ahead and accept connections for these vhosts # from non-SNI clients SSLStrictSNIVHostCheck off # Ensure that Apache listens on port 443 Listen 443 # Listen for virtual host requests on all IP addresses NameVirtualHost *:80 NameVirtualHost *:443 # # PJTNAME.COM and subdomains SETTING # <VirtualHost *:443> # Because this virtual host is defined first, it will # be used as the default if the hostname is not received # in the SSL handshake, e.g. if the browser doesn't support # SNI. ServerName pjtname.com:443 DocumentRoot "/Users/<my_user_name>/Sites/pjtname.com/pjtname.com/public" ServerAdmin [email protected] ErrorLog "/private/var/log/apache2/error_log" TransferLog "/private/var/log/apache2/access_log" RackEnv development <Directory "/Users/<my_user_name>/Sites/pjtname.com/pjtname.com/public"> Order allow,deny Allow from all </Directory> # SSL Configuration SSLEngine on # Self Signed certificates # Server Certificate SSLCertificateFile /private/etc/apache2/ssl/wildcard.certificate/pjtname.crt # Server Private Key SSLCertificateKeyFile /private/etc/apache2/ssl/wildcard.certificate/pjtname.key # Server Intermediate Bundle SSLCertificateChainFile /private/etc/apache2/ssl/wildcard.certificate/ca.crt </VirtualHost> # HTTP Setting <VirtualHost *:80> ServerName pjtname.com DocumentRoot "/Users/<my_user_name>/Sites/pjtname.com/pjtname.com/public" RackEnv development <Directory "/Users/<my_user_name>/Sites/pjtname.com/pjtname.com/public"> Order allow,deny Allow from all </Directory> </VirtualHost> <VirtualHost *:443> ServerName users.pjtname.com:443 DocumentRoot "/Users/<my_user_name>/Sites/pjtname.com/users.pjtname.com/public" ServerAdmin [email protected] ErrorLog "/private/var/log/apache2/error_log" TransferLog "/private/var/log/apache2/access_log" RackEnv development <Directory "/Users/<my_user_name>/Sites/pjtname.com/users.pjtname.com/public"> Order allow,deny Allow from all </Directory> # SSL Configuration SSLEngine on # Self Signed certificates # Server Certificate SSLCertificateFile /private/etc/apache2/ssl/wildcard.certificate/pjtname.crt # Server Private Key SSLCertificateKeyFile /private/etc/apache2/ssl/wildcard.certificate/pjtname.key # Server Intermediate Bundle SSLCertificateChainFile /private/etc/apache2/ssl/wildcard.certificate/ca.crt </VirtualHost> # HTTP Setting <VirtualHost *:80> ServerName users.pjtname.com DocumentRoot "/Users/<my_user_name>/Sites/pjtname.com/users.pjtname.com/public" RackEnv development <Directory "/Users/<my_user_name>/Sites/pjtname.com/users.pjtname.com/public"> Order allow,deny Allow from all </Directory> </VirtualHost> In the host file I have: ## # Host Database # # localhost is used to configure the loopback interface # when the system is booting. Do not change this entry. ## 127.0.0.1 localhost 255.255.255.255 broadcasthost ::1 localhost fe80::1%lo0 localhost # PJTNAME.COM SETTING 127.0.0.1 pjtname.com 127.0.0.1 users.pjtname.com All seems to work properly because I have already set everything (I think correctly): I generated a wildcard certificate for my domains and sub-domains (in this example: *.pjtname.com) I have set base-named virtualhosts in the http.conf file listening on port :433 and :80 My browser accept certificates also if it alerts me that those aren't safe (notice: I must accept certificates for each domain\sub-domain; that is, [only] at the first time I access a domain or sub-domain over HTTPS I must do the same procedure for acceptance) and I can have access to pages using HTTPS After all this work, when I make a request using Typhoeus (I can use also the Ruby Net::Http library and the result doesn't change) from the pjtname.com RoR application: # Typhoeus request Typhoeus::Request.get("https://users.pjtname.com/") I get something like a warning about the certificate: --- &id001 !ruby/object:Typhoeus::Response app_connect_time: 0.0 body: "" code: 0 connect_time: 0.000625 # Here is the warning curl_error_message: Peer certificate cannot be authenticated with known CA certificates curl_return_code: 60 effective_url: https://users.pjtname.com/ headers: "" http_version: mock: false name_lookup_time: 0.000513 pretransfer_time: 0.0 request: !ruby/object:Typhoeus::Request after_complete: auth_method: body: ... All this means that something is wrong. So, what I have to do to avoid the "Peer certificate cannot be authenticated with known CA certificates" warning and make the HTTPS request to work? Where is\are the error\errors (I think in the Apache configuration, but where?!)? P.S.: if you need some more info, let me know.

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  • MyClass cannot be cast to java.lang.Comparable: java.lang.ClassCastException

    - by user2234225
    I am doing a java project and I got this problem and don't know how to fix it. The classes in my project (simplified): public class Item { private String itemID; private Integer price; public Integer getPrice() { return this.price; } } public class Store { private String storeID; private String address; } public class Stock { private Item item; private Store store; private Integer itemCount; public Integer getInventoryValue() { return this.item.getPrice() * this.itemCount; } } Then I try to sort an ArrayList of Stock so I create another class called CompareByValue public class CompareByValue implements Comparator<Stock> { @Override public int compare(Stock stock1, Stock stock2) { return (stock1.getInventoryValue() - stock2.getInventoryValue()); } } When I try to run the program, it gives the error: Exception in thread "main" java.lang.ClassCastException: Stock cannot be cast to java.lang.Comparable Anyone know what's wrong?

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  • Problem with Zend_Date and ISO_8601 format

    - by Noah Goodrich
    Frankly, I'm flummoxed. Can anyone tell me why I would get a failure message with this code? $date = Zend_Date::now(); $date = $date->getIso(); if(Zend_Date::isDate($date, Zend_Date::ISO_8601)) { print('success'); } else { print('failure'); } exit; It also fails if I just pass in a Zend_Date object. UPDATE: a var_dump of the initial $date object looks like this: object(Zend_Date)#107 (8) { ["_locale:private"]= string(5) "en_US" ["_fractional:private"]= int(0) ["_precision:private"]= int(3) ["_unixTimestamp:private"]= int(1257508100) ["_timezone:private"]= string(14) "America/Denver" ["_offset:private"]= int(25200) ["_syncronised:private"]= int(0) ["_dst:protected"]= bool(true) } And a var_dump of the $date string after calling $date-getIso() looks like this: string(25) "2009-11-06T04:48:20-07:00" I am using ZF 1.9.5 on PHP 5.2.8. I am using XAMPP for Windows too if that makes a difference.

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  • expected class,delegate,enum,interface or struct

    - by Luke
    Hello, I am writing a class. I have encountered the problem in the title. Here is the code: class delivery { private string strDeliveryName; private string strDeliveryAddress; private string strDeliveryDay; private string strDeliveryTime; private string strDeliveryMeal; private string strDeliveryInstructions; private string strDeliveryStatus; } public delivery(string deliveryName, string deliveryAddress, string deliveryDay, string deliveryTime, string deliveryMeal, string deliveryInstructions, string deliveryStatus) { strDeliveryName = deliveryName; strDeliveryAddress = deliveryAddress; strDeliveryDay = deliveryDay; strDeliveryTime = deliveryTime; strDeliveryMeal = deliveryMeal; strDeliveryInstructions = deliveryInstructions; strDeliveryStatus = deliveryStatus; } I get the error on the public delivery, any idea why?

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  • How to define enum in as3?

    - by Nava Carmon
    Is there a way to define an enum in AS3 in a way we do it in other languages? I can define constants with defined values like that: private const CONST_1:int = 0; private const CONST_2:int = 1; private const CONST_3:int = 2; and so on. If I want to insert some other constant between 3 these I need to move all values like that: private const CONST_1:int = 0; private const CONST_2:int = 1; private const CONST_2A:int = 2; private const CONST_3:int = 3; while in other language I would end up with only adding a new member to enum closure like that: enum { CONST_1 = 0, CONST_2, CONST_2A, CONST_3 } MyConstEnum; Does AS3 has something similar? Thanks

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  • Java appliction design question

    - by ring bearer
    Hi I have a hobby project, which is basically to maintain 'todo' tasks in the way I like. One task can be described as: public class TodoItem { private String subject; private Date dueBy; private Date startBy; private Priority priority; private String category; private Status status; private String notes; } as you can imagine I would have 1000 todo items at a given time. What is the best strategy to store a todo item? (currently on an XML file) such that all the items are loaded quickly up on app start up(the application shows kind of a dashboard of all the items at start up) What is the best way to design its back-end so that it can be ported to android/or a J2ME based phone Currently this is done using java swing. What should be the concerns so that it works efficiently on a device where memory is limited? Thanks!

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  • JTable how to change BackGround Color

    - by mKorbel
    I inspired by MeBigFatGuy interesting question, in this conection I have very specific question about Graphisc2D, how to change BackGround Color by depends if is JTables Row visible in the JViewPort, 1) if 1st. & last JTables Row will be visible in the JViewPort, then BackGround would be colored to the Color.red 2) if 1st. & last JTables Row will not be visible in the JViewPort, then BackGround would be colored to the Color.whatever from SSCCE import java.awt.*; import java.awt.event.ActionEvent; import java.awt.image.BufferedImage; import javax.swing.*; import javax.swing.RepaintManager; import javax.swing.event.ChangeEvent; import javax.swing.event.ChangeListener; import javax.swing.table.TableModel; /* http://stackoverflow.com/questions/1249278/ how-to-disable-the-default-painting-behaviour-of-wheel-scroll-event-on-jscrollpan * and * http://stackoverflow.com/questions/8195959/ swing-jtable-event-when-row-is-visible-or-when-scrolled-to-the-bottom */ public class ViewPortFlickering { private JFrame frame = new JFrame("Table"); private JViewport viewport = new JViewport(); private Rectangle RECT = new Rectangle(); private Rectangle RECT1 = new Rectangle(); private JTable table = new JTable(50, 3); private javax.swing.Timer timer; private int count = 0; public ViewPortFlickering() { GradientViewPort tableViewPort = new GradientViewPort(table); viewport = tableViewPort.getViewport(); viewport.addChangeListener(new ChangeListener() { @Override public void stateChanged(ChangeEvent e) { RECT = table.getCellRect(0, 0, true); RECT1 = table.getCellRect(table.getRowCount() - 1, 0, true); Rectangle viewRect = viewport.getViewRect(); if (viewRect.intersects(RECT)) { System.out.println("Visible RECT -> " + RECT); } else if (viewRect.intersects(RECT1)) { System.out.println("Visible RECT1 -> " + RECT1); } else { // } } }); frame.add(tableViewPort); frame.setPreferredSize(new Dimension(600, 300)); frame.pack(); frame.setLocation(50, 100); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); RepaintManager.setCurrentManager(new RepaintManager() { @Override public void addDirtyRegion(JComponent c, int x, int y, int w, int h) { Container con = c.getParent(); while (con instanceof JComponent) { if (!con.isVisible()) { return; } if (con instanceof GradientViewPort) { c = (JComponent) con; x = 0; y = 0; w = con.getWidth(); h = con.getHeight(); } con = con.getParent(); } super.addDirtyRegion(c, x, y, w, h); } }); frame.setVisible(true); start(); } private void start() { timer = new javax.swing.Timer(100, updateCol()); timer.start(); } public Action updateCol() { return new AbstractAction("text load action") { private static final long serialVersionUID = 1L; @Override public void actionPerformed(ActionEvent e) { System.out.println("updating row " + (count + 1)); TableModel model = table.getModel(); int cols = model.getColumnCount(); int row = 0; for (int j = 0; j < cols; j++) { row = count; table.changeSelection(row, 0, false, false); timer.setDelay(100); Object value = "row " + (count + 1) + " item " + (j + 1); model.setValueAt(value, count, j); } count++; if (count >= table.getRowCount()) { timer.stop(); table.changeSelection(0, 0, false, false); java.awt.EventQueue.invokeLater(new Runnable() { @Override public void run() { table.clearSelection(); } }); } } }; } public static void main(String[] args) { java.awt.EventQueue.invokeLater(new Runnable() { @Override public void run() { ViewPortFlickering viewPortFlickering = new ViewPortFlickering(); } }); } } class GradientViewPort extends JScrollPane { private static final long serialVersionUID = 1L; private final int h = 50; private BufferedImage img = null; private BufferedImage shadow = new BufferedImage(1, h, BufferedImage.TYPE_INT_ARGB); private JViewport viewPort; public GradientViewPort(JComponent com) { super(com); viewPort = this.getViewport(); viewPort.setScrollMode(JViewport.BLIT_SCROLL_MODE); viewPort.setScrollMode(JViewport.BACKINGSTORE_SCROLL_MODE); viewPort.setScrollMode(JViewport.SIMPLE_SCROLL_MODE); Graphics2D g2 = shadow.createGraphics(); g2.setPaint(new Color(250, 150, 150)); g2.fillRect(0, 0, 1, h); g2.setComposite(AlphaComposite.DstIn); g2.setPaint(new GradientPaint(0, 0, new Color(0, 0, 0, 0f), 0, h, new Color(0.5f, 0.8f, 0.8f, 0.5f))); g2.fillRect(0, 0, 1, h); g2.dispose(); } @Override public void paint(Graphics g) { if (img == null || img.getWidth() != getWidth() || img.getHeight() != getHeight()) { img = new BufferedImage(getWidth(), getHeight(), BufferedImage.TYPE_INT_ARGB); } Graphics2D g2 = img.createGraphics(); super.paint(g2); Rectangle bounds = getViewport().getVisibleRect(); g2.scale(bounds.getWidth(), -1); int y = (getColumnHeader() == null) ? 0 : getColumnHeader().getHeight(); g2.drawImage(shadow, bounds.x, -bounds.y - y - h, null); g2.scale(1, -1); g2.drawImage(shadow, bounds.x, bounds.y + bounds.height - h + y, null); g2.dispose(); g.drawImage(img, 0, 0, null); } }

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  • JPA Native Query (SQL View)

    - by Uchenna
    I have two Entities Customer and Account. @Entity @Table(name="customer") public class Customer { private Long id; private String name; private String accountType; private String accountName; ... } @Entity @Table(name="account") public class Account { private Long id; private String accountName; private String accountType; ... } i have a an sql query select a.id as account_id, a.account_name, a.account_type, d.id, d.name from account a, customer d Assumption account and customer tables are created during application startup. accountType and accountName fields of Customer entity should not be created. That is, only id and name columns will be created. Question How do i run the above sql query and return a Customer Entity Object with the accountType and accountName properties populated with sql query's account_name and account_type values. Thanks

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  • In JPA, a Map of embeddable values, that have an embedded entity used as the key

    - by Schmuli
    I'm still new to JPA (and Hibernate, which I'm using as my provider), so maybe this just can't be done, but anyway... Consider the following code: @Entity class Root { @Id private long id; private String name; @ElementCollection private Map<ResourceType, Resource> resources; ... } @Entity class ResourceType { @Id private long id; private String name; } @Embeddable class Resource { private ResourceType resourceType; private long value; } In the database, there is a collection table, 'Root_resources', that stores the values of the map, but the resource type appears twice (actually, the resource type ID does), once as the KEY of the map, and once as part of the value. Is there a way, similar to, say, the @MapKey annotation, to indicate that the key is one of the columns of the value (i.e. embedded)?

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  • readonly keyword

    - by nmarun
    This is something new that I learned about the readonly keyword. Have a look at the following class: 1: public class MyClass 2: { 3: public string Name { get; set; } 4: public int Age { get; set; } 5:  6: private readonly double Delta; 7:  8: public MyClass() 9: { 10: Initializer(); 11: } 12:  13: public MyClass(string name = "", int age = 0) 14: { 15: Name = name; 16: Age = age; 17: Initializer(); 18: } 19:  20: private void Initializer() 21: { 22: Delta = 0.2; 23: } 24: } I have a couple of public properties and a private readonly member. There are two constructors – one that doesn’t take any parameters and the other takes two parameters to initialize the public properties. I’m also calling the Initializer method in both constructors to initialize the readonly member. Now when I build this, the code breaks and the Error window says: “A readonly field cannot be assigned to (except in a constructor or a variable initializer)” Two things after I read this message: It’s such a negative statement. I’d prefer something like: “A readonly field can be assigned to (or initialized) only in a constructor or through a variable initializer” But in my defense, I AM assigning it in a constructor (only indirectly). All I’m doing is creating a method that does it and calling it in a constructor. Turns out, .net was not ‘frameworked’ this way. We need to have the member initialized directly in the constructor. If you have multiple constructors, you can just use the ‘this’ keyword on all except the default constructors to call the default constructor. This default constructor can then initialize your readonly members. This will ensure you’re not repeating the code in multiple places. A snippet of what I’m talking can be seen below: 1: public class Person 2: { 3: public int UniqueNumber { get; set; } 4: public string Name { get; set; } 5: public int Age { get; set; } 6: public DateTime DateOfBirth { get; set; } 7: public string InvoiceNumber { get; set; } 8:  9: private readonly string Alpha; 10: private readonly int Beta; 11: private readonly double Delta; 12: private readonly double Gamma; 13:  14: public Person() 15: { 16: Alpha = "FDSA"; 17: Beta = 2; 18: Delta = 3.0; 19: Gamma = 0.0989; 20: } 21:  22: public Person(int uniqueNumber) : this() 23: { 24: UniqueNumber = uniqueNumber; 25: } 26: } See the syntax in line 22 and you’ll know what I’m talking about. So the default constructor gets called before the one in line 22. These are known as constructor initializers and they allow one constructor to call another. The other ‘myth’ I had about readonly members is that you can set it’s value only once. This was busted as well (I recall Adam and Jamie’s show). Say you’ve initialized the readonly member through a variable initializer. You can over-write this value in any of the constructors any number of times. 1: public class Person 2: { 3: public int UniqueNumber { get; set; } 4: public string Name { get; set; } 5: public int Age { get; set; } 6: public DateTime DateOfBirth { get; set; } 7: public string InvoiceNumber { get; set; } 8:  9: private readonly string Alpha = "asdf"; 10: private readonly int Beta = 15; 11: private readonly double Delta = 0.077; 12: private readonly double Gamma = 1.0; 13:  14: public Person() 15: { 16: Alpha = "FDSA"; 17: Beta = 2; 18: Delta = 3.0; 19: Gamma = 0.0989; 20: } 21:  22: public Person(int uniqueNumber) : this() 23: { 24: UniqueNumber = uniqueNumber; 25: Beta = 3; 26: } 27:  28: public Person(string name, DateTime dob) : this() 29: { 30: Name = name; 31: DateOfBirth = dob; 32:  33: Alpha = ";LKJ"; 34: Gamma = 0.0898; 35: } 36:  37: public Person(int uniqueNumber, string name, int age, DateTime dob, string invoiceNumber) : this() 38: { 39: UniqueNumber = uniqueNumber; 40: Name = name; 41: Age = age; 42: DateOfBirth = dob; 43: InvoiceNumber = invoiceNumber; 44:  45: Alpha = "QWER"; 46: Beta = 5; 47: Delta = 1.0; 48: Gamma = 0.0; 49: } 50: } In the above example, every constructor over-writes the values for the readonly members. This is perfectly valid. There is a possibility that based on the way the object is instantiated, the readonly member will have a different value. Well, that’s all I have for today and read this as it’s on a related topic.

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  • Java collision detection and player movement: tips

    - by Loris
    I have read a short guide for game develompent (java, without external libraries). I'm facing with collision detection and player (and bullets) movements. Now i put the code. Most of it is taken from the guide (should i link this guide?). I'm just trying to expand and complete it. This is the class that take care of updates movements and firing mechanism (and collision detection): public class ArenaController { private Arena arena; /** selected cell for movement */ private float targetX, targetY; /** true if droid is moving */ private boolean moving = false; /** true if droid is shooting to enemy */ private boolean shooting = false; private DroidController droidController; public ArenaController(Arena arena) { this.arena = arena; this.droidController = new DroidController(arena); } public void update(float delta) { Droid droid = arena.getDroid(); //droid movements if (moving) { droidController.moveDroid(delta, targetX, targetY); //check if arrived if (droid.getX() == targetX && droid.getY() == targetY) moving = false; } //firing mechanism if(shooting) { //stop shot if there aren't bullets if(arena.getBullets().isEmpty()) { shooting = false; } for(int i = 0; i < arena.getBullets().size(); i++) { //current bullet Bullet bullet = arena.getBullets().get(i); System.out.println(bullet.getBounds()); //angle calculation double angle = Math.atan2(bullet.getEnemyY() - bullet.getY(), bullet.getEnemyX() - bullet.getX()); //increments x and y bullet.setX((float) (bullet.getX() + (Math.cos(angle) * bullet.getSpeed() * delta))); bullet.setY((float) (bullet.getY() + (Math.sin(angle) * bullet.getSpeed() * delta))); //collision with obstacles for(int j = 0; j < arena.getObstacles().size(); j++) { Obstacle obs = arena.getObstacles().get(j); if(bullet.getBounds().intersects(obs.getBounds())) { System.out.println("Collision detect!"); arena.removeBullet(bullet); } } //collisions with enemies for(int j = 0; j < arena.getEnemies().size(); j++) { Enemy ene = arena.getEnemies().get(j); if(bullet.getBounds().intersects(ene.getBounds())) { System.out.println("Collision detect!"); arena.removeBullet(bullet); } } } } } public boolean onClick(int x, int y) { //click on empty cell if(arena.getGrid()[(int)(y / Arena.TILE)][(int)(x / Arena.TILE)] == null) { //coordinates targetX = x / Arena.TILE; targetY = y / Arena.TILE; //enables movement moving = true; return true; } //click on enemy: fire if(arena.getGrid()[(int)(y / Arena.TILE)][(int)(x / Arena.TILE)] instanceof Enemy) { //coordinates float enemyX = x / Arena.TILE; float enemyY = y / Arena.TILE; //new bullet Bullet bullet = new Bullet(); //start coordinates bullet.setX(arena.getDroid().getX()); bullet.setY(arena.getDroid().getY()); //end coordinates (enemie) bullet.setEnemyX(enemyX); bullet.setEnemyY(enemyY); //adds bullet to arena arena.addBullet(bullet); //enables shooting shooting = true; return true; } return false; } As you can see for collision detection i'm trying to use Rectangle object. Droid example: import java.awt.geom.Rectangle2D; public class Droid { private float x; private float y; private float speed = 20f; private float rotation = 0f; private float damage = 2f; public static final int DIAMETER = 32; private Rectangle2D rectangle; public Droid() { rectangle = new Rectangle2D.Float(x, y, DIAMETER, DIAMETER); } public float getX() { return x; } public void setX(float x) { this.x = x; //rectangle update rectangle.setRect(x, y, DIAMETER, DIAMETER); } public float getY() { return y; } public void setY(float y) { this.y = y; //rectangle update rectangle.setRect(x, y, DIAMETER, DIAMETER); } public float getSpeed() { return speed; } public void setSpeed(float speed) { this.speed = speed; } public float getRotation() { return rotation; } public void setRotation(float rotation) { this.rotation = rotation; } public float getDamage() { return damage; } public void setDamage(float damage) { this.damage = damage; } public Rectangle2D getRectangle() { return rectangle; } } For now, if i start the application and i try to shot to an enemy, is immediately detected a collision and the bullet is removed! Can you help me with this? If the bullet hit an enemy or an obstacle in his way, it must disappear. Ps: i know that the movements of the bullets should be managed in another class. This code is temporary. update I realized what happens, but not why. With those for loops (which checks collisions) the movements of the bullets are instantaneous instead of gradual. In addition to this, if i add the collision detection to the Droid, the method intersects returns true ALWAYS while the droid is moving! public void moveDroid(float delta, float x, float y) { Droid droid = arena.getDroid(); int bearing = 1; if (droid.getX() > x) { bearing = -1; } if (droid.getX() != x) { droid.setX(droid.getX() + bearing * droid.getSpeed() * delta); //obstacles collision detection for(Obstacle obs : arena.getObstacles()) { if(obs.getRectangle().intersects(droid.getRectangle())) { System.out.println("Collision detected"); //ALWAYS HERE } } //controlla se è arrivato if ((droid.getX() < x && bearing == -1) || (droid.getX() > x && bearing == 1)) droid.setX(x); } bearing = 1; if (droid.getY() > y) { bearing = -1; } if (droid.getY() != y) { droid.setY(droid.getY() + bearing * droid.getSpeed() * delta); if ((droid.getY() < y && bearing == -1) || (droid.getY() > y && bearing == 1)) droid.setY(y); } }

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  • Superclass Sensitive Actions

    - by Geertjan
    I've created a small piece of functionality that enables you to create actions for Java classes in the IDE. When the user right-clicks on a Java class, they will see one or more actions depending on the superclass of the selected class. To explain this visually, here I have "BlaTopComponent.java". I right-click on its node in the Projects window and I see "This is a TopComponent": Indeed, when you look at the source code of "BlaTopComponent.java", you'll see that it implements the TopComponent class. Next, in the screenshot below, you see that I have right-click a different class. In this case, there's an action available because the selected class implements the ActionListener class. Then, take a look at this one. Here both TopComponent and ActionListener are superclasses of the current class, hence both the actions are available to be invoked: Finally, here's a class that subclasses neither TopComponent nor ActionListener, hence neither of the actions that I created for doing something that relates to TopComponents or ActionListeners is available, since those actions are irrelevant in this context: How does this work? Well, it's a combination of my blog entries "Generic Node Popup Registration Solution" and "Showing an Action on a TopComponent Node". The cool part is that the definition of the two actions that you see above is remarkably trivial: import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import javax.swing.JOptionPane; import org.openide.loaders.DataObject; import org.openide.util.Utilities; public class TopComponentSensitiveAction implements ActionListener { private final DataObject context; public TopComponentSensitiveAction() { context = Utilities.actionsGlobalContext().lookup(DataObject.class); } @Override public void actionPerformed(ActionEvent ev) { //Do something with the context: JOptionPane.showMessageDialog(null, "TopComponent: " + context.getNodeDelegate().getDisplayName()); } } The above is the action that will be available if you right-click a Java class that extends TopComponent. This, in turn, is the action that will be available if you right-click a Java class that implements ActionListener: import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import javax.swing.JOptionPane; import org.openide.loaders.DataObject; import org.openide.util.Utilities; public class ActionListenerSensitiveAction implements ActionListener { private final DataObject context; public ActionListenerSensitiveAction() { context = Utilities.actionsGlobalContext().lookup(DataObject.class); } @Override public void actionPerformed(ActionEvent ev) { //Do something with the context: JOptionPane.showMessageDialog(null, "ActionListener: " + context.getNodeDelegate().getDisplayName()); } } Indeed, the classes, at this stage are the same. But, depending on what I want to do with TopComponents or ActionListeners, I now have a starting point, which includes access to the DataObject, from where I can get down into the source code, as shown here. This is how the two ActionListeners that you see defined above are registered in the layer, which could ultimately be done via annotations on the ActionListeners, of course: <folder name="Actions"> <folder name="Tools"> <file name="org-netbeans-sbas-impl-TopComponentSensitiveAction.instance"> <attr stringvalue="This is a TopComponent" name="displayName"/> <attr name="instanceCreate" methodvalue="org.netbeans.sbas.SuperclassSensitiveAction.create"/> <attr name="type" stringvalue="org.openide.windows.TopComponent"/> <attr name="delegate" newvalue="org.netbeans.sbas.impl.TopComponentSensitiveAction"/> </file> <file name="org-netbeans-sbas-impl-ActionListenerSensitiveAction.instance"> <attr stringvalue="This is an ActionListener" name="displayName"/> <attr name="instanceCreate" methodvalue="org.netbeans.sbas.SuperclassSensitiveAction.create"/> <attr name="type" stringvalue="java.awt.event.ActionListener"/> <attr name="delegate" newvalue="org.netbeans.sbas.impl.ActionListenerSensitiveAction"/> </file> </folder> </folder> <folder name="Loaders"> <folder name="text"> <folder name="x-java"> <folder name="Actions"> <file name="org-netbeans-sbas-impl-TopComponentSensitiveAction.shadow"> <attr name="originalFile" stringvalue="Actions/Tools/org-netbeans-sbas-impl-TopComponentSensitiveAction.instance"/> <attr intvalue="150" name="position"/> </file> <file name="org-netbeans-sbas-impl-ActionListenerSensitiveAction.shadow"> <attr name="originalFile" stringvalue="Actions/Tools/org-netbeans-sbas-impl-ActionListenerSensitiveAction.instance"/> <attr intvalue="160" name="position"/> </file> </folder> </folder> </folder> </folder> The most important parts of the layer registration are the lines that are highlighted above. Those lines connect the layer to the generic action that delegates back to the action listeners defined above, as follows: public final class SuperclassSensitiveAction extends AbstractAction implements ContextAwareAction { private final Map map; //This method is called from the layer, via "instanceCreate", //magically receiving a map, which contains all the attributes //that are defined in the layer for the file: static SuperclassSensitiveAction create(Map map) { return new SuperclassSensitiveAction(Utilities.actionsGlobalContext(), map); } public SuperclassSensitiveAction(Lookup context, Map m) { super(m.get("displayName").toString()); this.map = m; String superclass = m.get("type").toString(); //Enable the menu item only if //we're dealing with a class of type superclass: JavaSource javaSource = JavaSource.forFileObject( context.lookup(DataObject.class).getPrimaryFile()); try { javaSource.runUserActionTask(new ScanTask(this, superclass), true); } catch (IOException ex) { Exceptions.printStackTrace(ex); } //Hide the menu item if it isn't enabled: putValue(DynamicMenuContent.HIDE_WHEN_DISABLED, true); } @Override public void actionPerformed(ActionEvent ev) { ActionListener delegatedAction = (ActionListener)map.get("delegate"); delegatedAction.actionPerformed(ev); } @Override public Action createContextAwareInstance(Lookup actionContext) { return new SuperclassSensitiveAction(actionContext, map); } private class ScanTask implements Task<CompilationController> { private SuperclassSensitiveAction action = null; private String superclass; private ScanTask(SuperclassSensitiveAction action, String superclass) { this.action = action; this.superclass = superclass; } @Override public void run(final CompilationController info) throws Exception { info.toPhase(Phase.ELEMENTS_RESOLVED); new EnableIfGivenSuperclassMatches(info, action, superclass).scan( info.getCompilationUnit(), null); } } private static class EnableIfGivenSuperclassMatches extends TreePathScanner<Void, Void> { private CompilationInfo info; private final AbstractAction action; private final String superclassName; public EnableIfGivenSuperclassMatches(CompilationInfo info, AbstractAction action, String superclassName) { this.info = info; this.action = action; this.superclassName = superclassName; } @Override public Void visitClass(ClassTree t, Void v) { Element el = info.getTrees().getElement(getCurrentPath()); if (el != null) { TypeElement te = (TypeElement) el; List<? extends TypeMirror> interfaces = te.getInterfaces(); if (te.getSuperclass().toString().equals(superclassName)) { action.setEnabled(true); } else { action.setEnabled(false); } for (TypeMirror typeMirror : interfaces) { if (typeMirror.toString().equals(superclassName)){ action.setEnabled(true); } } } return null; } } } This is a pretty cool solution and, as you can see, very generic. Create a new ActionListener, register it in the layer so that it maps to the generic class above, and make sure to set the type attribute, which defines the superclass to which the action should be sensitive.

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  • How do I increase moving speed of body?

    - by Siddharth
    How to move ball speedily on the screen using box2d in libGDX? package com.badlogic.box2ddemo; import com.badlogic.gdx.ApplicationListener; import com.badlogic.gdx.Gdx; import com.badlogic.gdx.graphics.GL10; import com.badlogic.gdx.graphics.Texture; import com.badlogic.gdx.graphics.g2d.Sprite; import com.badlogic.gdx.graphics.g2d.SpriteBatch; import com.badlogic.gdx.graphics.g2d.TextureRegion; import com.badlogic.gdx.math.Matrix4; import com.badlogic.gdx.math.Vector2; import com.badlogic.gdx.physics.box2d.Body; import com.badlogic.gdx.physics.box2d.BodyDef; import com.badlogic.gdx.physics.box2d.BodyDef.BodyType; import com.badlogic.gdx.physics.box2d.Box2DDebugRenderer; import com.badlogic.gdx.physics.box2d.CircleShape; import com.badlogic.gdx.physics.box2d.Fixture; import com.badlogic.gdx.physics.box2d.FixtureDef; import com.badlogic.gdx.physics.box2d.PolygonShape; import com.badlogic.gdx.physics.box2d.World; public class Box2DDemo implements ApplicationListener { private SpriteBatch batch; private TextureRegion texture; private World world; private Body groundDownBody, groundUpBody, groundLeftBody, groundRightBody, ballBody; private BodyDef groundBodyDef1, groundBodyDef2, groundBodyDef3, groundBodyDef4, ballBodyDef; private PolygonShape groundDownPoly, groundUpPoly, groundLeftPoly, groundRightPoly; private CircleShape ballPoly; private Sprite sprite; private FixtureDef fixtureDef; private Vector2 ballPosition; private Box2DDebugRenderer renderer; Vector2 vector2; @Override public void create() { texture = new TextureRegion(new Texture( Gdx.files.internal("img/red_ring.png"))); sprite = new Sprite(texture); sprite.setOrigin(sprite.getWidth() / 2, sprite.getHeight() / 2); batch = new SpriteBatch(); world = new World(new Vector2(0.0f, 0.0f), false); groundBodyDef1 = new BodyDef(); groundBodyDef1.type = BodyType.StaticBody; groundBodyDef1.position.x = 0.0f; groundBodyDef1.position.y = 0.0f; groundDownBody = world.createBody(groundBodyDef1); groundBodyDef2 = new BodyDef(); groundBodyDef2.type = BodyType.StaticBody; groundBodyDef2.position.x = 0f; groundBodyDef2.position.y = Gdx.graphics.getHeight(); groundUpBody = world.createBody(groundBodyDef2); groundBodyDef3 = new BodyDef(); groundBodyDef3.type = BodyType.StaticBody; groundBodyDef3.position.x = 0f; groundBodyDef3.position.y = 0f; groundLeftBody = world.createBody(groundBodyDef3); groundBodyDef4 = new BodyDef(); groundBodyDef4.type = BodyType.StaticBody; groundBodyDef4.position.x = Gdx.graphics.getWidth(); groundBodyDef4.position.y = 0f; groundRightBody = world.createBody(groundBodyDef4); groundDownPoly = new PolygonShape(); groundDownPoly.setAsBox(480.0f, 10f); fixtureDef = new FixtureDef(); fixtureDef.density = 0f; fixtureDef.restitution = 1f; fixtureDef.friction = 0f; fixtureDef.shape = groundDownPoly; fixtureDef.filter.groupIndex = 0; groundDownBody.createFixture(fixtureDef); groundUpPoly = new PolygonShape(); groundUpPoly.setAsBox(480.0f, 10f); fixtureDef = new FixtureDef(); fixtureDef.friction = 0f; fixtureDef.restitution = 0f; fixtureDef.density = 0f; fixtureDef.shape = groundUpPoly; fixtureDef.filter.groupIndex = 0; groundUpBody.createFixture(fixtureDef); groundLeftPoly = new PolygonShape(); groundLeftPoly.setAsBox(10f, 320f); fixtureDef = new FixtureDef(); fixtureDef.friction = 0f; fixtureDef.restitution = 0f; fixtureDef.density = 0f; fixtureDef.shape = groundLeftPoly; fixtureDef.filter.groupIndex = 0; groundLeftBody.createFixture(fixtureDef); groundRightPoly = new PolygonShape(); groundRightPoly.setAsBox(10f, 320f); fixtureDef = new FixtureDef(); fixtureDef.friction = 0f; fixtureDef.restitution = 0f; fixtureDef.density = 0f; fixtureDef.shape = groundRightPoly; fixtureDef.filter.groupIndex = 0; groundRightBody.createFixture(fixtureDef); ballPoly = new CircleShape(); ballPoly.setRadius(16f); fixtureDef = new FixtureDef(); fixtureDef.shape = ballPoly; fixtureDef.density = 1f; fixtureDef.friction = 1f; fixtureDef.restitution = 1f; ballBodyDef = new BodyDef(); ballBodyDef.type = BodyType.DynamicBody; ballBodyDef.position.x = (int) 200; ballBodyDef.position.y = (int) 200; ballBody = world.createBody(ballBodyDef); ballBody.setLinearVelocity(200f, 200f); // ballBody.applyLinearImpulse(new Vector2(250f, 250f), // ballBody.getLocalCenter()); ballBody.createFixture(fixtureDef); renderer = new Box2DDebugRenderer(true, false, false); } @Override public void dispose() { ballPoly.dispose(); groundLeftPoly.dispose(); groundUpPoly.dispose(); groundDownPoly.dispose(); groundRightPoly.dispose(); world.destroyBody(ballBody); world.dispose(); } @Override public void pause() { } @Override public void render() { world.step(1f/30f, 3, 3); Gdx.gl.glClearColor(1f, 1f, 1f, 1f); Gdx.gl.glClear(GL10.GL_COLOR_BUFFER_BIT); batch.begin(); vector2 = ballBody.getLinearVelocity(); System.out.println("X=" + vector2.x + " Y=" + vector2.y); ballPosition = ballBody.getPosition(); renderer.render(world,batch.getProjectionMatrix()); // int preX = (int) (vector2.x / Math.abs(vector2.x)); // int preY = (int) (vector2.y / Math.abs(vector2.y)); // // if (Math.abs(vector2.x) == 0.0f) // ballBody1.setLinearVelocity(1.4142137f, vector2.y); // else if (Math.abs(vector2.x) < 1.4142137f) // ballBody1.setLinearVelocity(preX * 5, vector2.y); // // if (Math.abs(vector2.y) == 0.0f) // ballBody1.setLinearVelocity(vector2.x, 1.4142137f); // else if (Math.abs(vector2.y) < 1.4142137f) // ballBody1.setLinearVelocity(vector2.x, preY * 5); batch.draw(sprite, (ballPosition.x - (texture.getRegionWidth() / 2)), (ballPosition.y - (texture.getRegionHeight() / 2))); batch.end(); } @Override public void resize(int arg0, int arg1) { } @Override public void resume() { } } I implement above code but I can not achieve higher moving speed of the ball

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  • What's the best way to expose a Model object in a ViewModel?

    - by Angel
    In a WPF MVVM application, I exposed my model object into my viewModel by creating an instance of Model class (which cause dependency) into ViewModel. Instead of creating separate VM properties, I wrap the Model properties inside my ViewModel Property. My model is just an entity framework generated proxy class: public partial class TblProduct { public TblProduct() { this.TblPurchaseDetails = new HashSet<TblPurchaseDetail>(); this.TblPurchaseOrderDetails = new HashSet<TblPurchaseOrderDetail>(); this.TblSalesInvoiceDetails = new HashSet<TblSalesInvoiceDetail>(); this.TblSalesOrderDetails = new HashSet<TblSalesOrderDetail>(); } public int ProductId { get; set; } public string ProductCode { get; set; } public string ProductName { get; set; } public int CategoryId { get; set; } public string Color { get; set; } public Nullable<decimal> PurchaseRate { get; set; } public Nullable<decimal> SalesRate { get; set; } public string ImagePath { get; set; } public bool IsActive { get; set; } public virtual TblCompany TblCompany { get; set; } public virtual TblProductCategory TblProductCategory { get; set; } public virtual TblUser TblUser { get; set; } public virtual ICollection<TblPurchaseDetail> TblPurchaseDetails { get; set; } public virtual ICollection<TblPurchaseOrderDetail> TblPurchaseOrderDetails { get; set; } public virtual ICollection<TblSalesInvoiceDetail> TblSalesInvoiceDetails { get; set; } public virtual ICollection<TblSalesOrderDetail> TblSalesOrderDetails { get; set; } } Here is my ViewModel: public class ProductViewModel : WorkspaceViewModel { #region Constructor public ProductViewModel() { StartApp(); } #endregion //Constructor #region Properties private IProductDataService _dataService; public IProductDataService DataService { get { if (_dataService == null) { if (IsInDesignMode) { _dataService = new ProductDataServiceMock(); } else { _dataService = new ProductDataService(); } } return _dataService; } } //Get and set Model object private TblProduct _product; public TblProduct Product { get { return _product ?? (_product = new TblProduct()); } set { _product = value; } } #region Public Properties public int ProductId { get { return Product.ProductId; } set { if (Product.ProductId == value) { return; } Product.ProductId = value; RaisePropertyChanged("ProductId"); } } public string ProductName { get { return Product.ProductName; } set { if (Product.ProductName == value) { return; } Product.ProductName = value; RaisePropertyChanged(() => ProductName); } } private ObservableCollection<TblProduct> _productRecords; public ObservableCollection<TblProduct> ProductRecords { get { return _productRecords; } set { _productRecords = value; RaisePropertyChanged("ProductRecords"); } } //Selected Product private TblProduct _selectedProduct; public TblProduct SelectedProduct { get { return _selectedProduct; } set { _selectedProduct = value; if (_selectedProduct != null) { this.ProductId = _selectedProduct.ProductId; this.ProductCode = _selectedProduct.ProductCode; } RaisePropertyChanged("SelectedProduct"); } } #endregion //Public Properties #endregion // Properties #region Commands private ICommand _newCommand; public ICommand NewCommand { get { if (_newCommand == null) { _newCommand = new RelayCommand(() => ResetAll()); } return _newCommand; } } private ICommand _saveCommand; public ICommand SaveCommand { get { if (_saveCommand == null) { _saveCommand = new RelayCommand(() => Save()); } return _saveCommand; } } private ICommand _deleteCommand; public ICommand DeleteCommand { get { if (_deleteCommand == null) { _deleteCommand = new RelayCommand(() => Delete()); } return _deleteCommand; } } #endregion //Commands #region Methods private void StartApp() { LoadProductCollection(); } private void LoadProductCollection() { var q = DataService.GetAllProducts(); this.ProductRecords = new ObservableCollection<TblProduct>(q); } private void Save() { if (SelectedOperateMode == OperateModeEnum.OperateMode.New) { //Pass the Model object into Dataservice for save DataService.SaveProduct(this.Product); } else if (SelectedOperateMode == OperateModeEnum.OperateMode.Edit) { //Pass the Model object into Dataservice for Update DataService.UpdateProduct(this.Product); } ResetAll(); LoadProductCollection(); } #endregion //Methods } Here is my Service class: class ProductDataService:IProductDataService { /// <summary> /// Context object of Entity Framework model /// </summary> private MaizeEntities Context { get; set; } public ProductDataService() { Context = new MaizeEntities(); } public IEnumerable<TblProduct> GetAllProducts() { using(var context=new R_MaizeEntities()) { var q = from p in context.TblProducts where p.IsDel == false select p; return new ObservableCollection<TblProduct>(q); } } public void SaveProduct(TblProduct _product) { using(var context=new R_MaizeEntities()) { _product.LastModUserId = GlobalObjects.LoggedUserID; _product.LastModDttm = DateTime.Now; _product.CompanyId = GlobalObjects.CompanyID; context.TblProducts.Add(_product); context.SaveChanges(); } } public void UpdateProduct(TblProduct _product) { using (var context = new R_MaizeEntities()) { context.TblProducts.Attach(_product); context.Entry(_product).State = EntityState.Modified; _product.LastModUserId = GlobalObjects.LoggedUserID; _product.LastModDttm = DateTime.Now; _product.CompanyId = GlobalObjects.CompanyID; context.SaveChanges(); } } public void DeleteProduct(int _productId) { using (var context = new R_MaizeEntities()) { var product = (from c in context.TblProducts where c.ProductId == _productId select c).First(); product.LastModUserId = GlobalObjects.LoggedUserID; product.LastModDttm = DateTime.Now; product.IsDel = true; context.SaveChanges(); } } } I exposed my model object in my viewModel by creating an instance of it using new keyword, also I instantiated my DataService class in VM. I know this will cause a strong dependency. So: What's the best way to expose a Model object in a ViewModel? What's the best way to use DataService in VM?

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  • MVVM- Expose Model object in ViewModel

    - by Angel
    I have a wpf MVVM application , I exposed my model object into my viewModel by creating an instance of Model class (which cause dependency) into ViewModel , and instead of creating seperate VM properties , I wrap the Model properties inside my ViewModel Property. My model is just an entity framework generated proxy classes. Here is my Model class : public partial class TblProduct { public TblProduct() { this.TblPurchaseDetails = new HashSet<TblPurchaseDetail>(); this.TblPurchaseOrderDetails = new HashSet<TblPurchaseOrderDetail>(); this.TblSalesInvoiceDetails = new HashSet<TblSalesInvoiceDetail>(); this.TblSalesOrderDetails = new HashSet<TblSalesOrderDetail>(); } public int ProductId { get; set; } public string ProductCode { get; set; } public string ProductName { get; set; } public int CategoryId { get; set; } public string Color { get; set; } public Nullable<decimal> PurchaseRate { get; set; } public Nullable<decimal> SalesRate { get; set; } public string ImagePath { get; set; } public bool IsActive { get; set; } public virtual TblCompany TblCompany { get; set; } public virtual TblProductCategory TblProductCategory { get; set; } public virtual TblUser TblUser { get; set; } public virtual ICollection<TblPurchaseDetail> TblPurchaseDetails { get; set; } public virtual ICollection<TblPurchaseOrderDetail> TblPurchaseOrderDetails { get; set; } public virtual ICollection<TblSalesInvoiceDetail> TblSalesInvoiceDetails { get; set; } public virtual ICollection<TblSalesOrderDetail> TblSalesOrderDetails { get; set; } } Here is my ViewModel , public class ProductViewModel : WorkspaceViewModel { #region Constructor public ProductViewModel() { StartApp(); } #endregion //Constructor #region Properties private IProductDataService _dataService; public IProductDataService DataService { get { if (_dataService == null) { if (IsInDesignMode) { _dataService = new ProductDataServiceMock(); } else { _dataService = new ProductDataService(); } } return _dataService; } } //Get and set Model object private TblProduct _product; public TblProduct Product { get { return _product ?? (_product = new TblProduct()); } set { _product = value; } } #region Public Properties public int ProductId { get { return Product.ProductId; } set { if (Product.ProductId == value) { return; } Product.ProductId = value; RaisePropertyChanged("ProductId"); } } public string ProductName { get { return Product.ProductName; } set { if (Product.ProductName == value) { return; } Product.ProductName = value; RaisePropertyChanged(() => ProductName); } } private ObservableCollection<TblProduct> _productRecords; public ObservableCollection<TblProduct> ProductRecords { get { return _productRecords; } set { _productRecords = value; RaisePropertyChanged("ProductRecords"); } } //Selected Product private TblProduct _selectedProduct; public TblProduct SelectedProduct { get { return _selectedProduct; } set { _selectedProduct = value; if (_selectedProduct != null) { this.ProductId = _selectedProduct.ProductId; this.ProductCode = _selectedProduct.ProductCode; } RaisePropertyChanged("SelectedProduct"); } } #endregion //Public Properties #endregion // Properties #region Commands private ICommand _newCommand; public ICommand NewCommand { get { if (_newCommand == null) { _newCommand = new RelayCommand(() => ResetAll()); } return _newCommand; } } private ICommand _saveCommand; public ICommand SaveCommand { get { if (_saveCommand == null) { _saveCommand = new RelayCommand(() => Save()); } return _saveCommand; } } private ICommand _deleteCommand; public ICommand DeleteCommand { get { if (_deleteCommand == null) { _deleteCommand = new RelayCommand(() => Delete()); } return _deleteCommand; } } #endregion //Commands #region Methods private void StartApp() { LoadProductCollection(); } private void LoadProductCollection() { var q = DataService.GetAllProducts(); this.ProductRecords = new ObservableCollection<TblProduct>(q); } private void Save() { if (SelectedOperateMode == OperateModeEnum.OperateMode.New) { //Pass the Model object into Dataservice for save DataService.SaveProduct(this.Product); } else if (SelectedOperateMode == OperateModeEnum.OperateMode.Edit) { //Pass the Model object into Dataservice for Update DataService.UpdateProduct(this.Product); } ResetAll(); LoadProductCollection(); } #endregion //Methods } Here is my Service class: class ProductDataService:IProductDataService { /// <summary> /// Context object of Entity Framework model /// </summary> private MaizeEntities Context { get; set; } public ProductDataService() { Context = new MaizeEntities(); } public IEnumerable<TblProduct> GetAllProducts() { using(var context=new R_MaizeEntities()) { var q = from p in context.TblProducts where p.IsDel == false select p; return new ObservableCollection<TblProduct>(q); } } public void SaveProduct(TblProduct _product) { using(var context=new R_MaizeEntities()) { _product.LastModUserId = GlobalObjects.LoggedUserID; _product.LastModDttm = DateTime.Now; _product.CompanyId = GlobalObjects.CompanyID; context.TblProducts.Add(_product); context.SaveChanges(); } } public void UpdateProduct(TblProduct _product) { using (var context = new R_MaizeEntities()) { context.TblProducts.Attach(_product); context.Entry(_product).State = EntityState.Modified; _product.LastModUserId = GlobalObjects.LoggedUserID; _product.LastModDttm = DateTime.Now; _product.CompanyId = GlobalObjects.CompanyID; context.SaveChanges(); } } public void DeleteProduct(int _productId) { using (var context = new R_MaizeEntities()) { var product = (from c in context.TblProducts where c.ProductId == _productId select c).First(); product.LastModUserId = GlobalObjects.LoggedUserID; product.LastModDttm = DateTime.Now; product.IsDel = true; context.SaveChanges(); } } } I exposed my model object in my viewModel by creating an instance of it using new keyword, also I instantiated my DataService class in VM, I know this will cause a strong dependency. So , 1- Whats the best way to expose Model object in ViewModel ? 2- Whats the best way to use DataService in VM ?

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  • Increase moving speed of body

    - by Siddharth
    How to move ball speedily on the screen using box2d in libGDX? public class Box2DDemo implements ApplicationListener { private SpriteBatch batch; private TextureRegion texture; private World world; private Body groundDownBody, groundUpBody, groundLeftBody, groundRightBody, ballBody; private BodyDef groundBodyDef1, groundBodyDef2, groundBodyDef3, groundBodyDef4, ballBodyDef; private PolygonShape groundDownPoly, groundUpPoly, groundLeftPoly, groundRightPoly; private CircleShape ballPoly; private Sprite sprite; private FixtureDef fixtureDef; private Vector2 ballPosition; private Box2DDebugRenderer renderer; Vector2 vector2; @Override public void create() { texture = new TextureRegion(new Texture( Gdx.files.internal("img/red_ring.png"))); sprite = new Sprite(texture); sprite.setOrigin(sprite.getWidth() / 2, sprite.getHeight() / 2); batch = new SpriteBatch(); world = new World(new Vector2(0.0f, -10.0f), false); groundBodyDef1 = new BodyDef(); groundBodyDef1.type = BodyType.StaticBody; groundBodyDef1.position.x = 0.0f; groundBodyDef1.position.y = 0.0f; groundDownBody = world.createBody(groundBodyDef1); groundBodyDef2 = new BodyDef(); groundBodyDef2.type = BodyType.StaticBody; groundBodyDef2.position.x = 0f; groundBodyDef2.position.y = Gdx.graphics.getHeight(); groundUpBody = world.createBody(groundBodyDef2); groundBodyDef3 = new BodyDef(); groundBodyDef3.type = BodyType.StaticBody; groundBodyDef3.position.x = 0f; groundBodyDef3.position.y = 0f; groundLeftBody = world.createBody(groundBodyDef3); groundBodyDef4 = new BodyDef(); groundBodyDef4.type = BodyType.StaticBody; groundBodyDef4.position.x = Gdx.graphics.getWidth(); groundBodyDef4.position.y = 0f; groundRightBody = world.createBody(groundBodyDef4); groundDownPoly = new PolygonShape(); groundDownPoly.setAsBox(480.0f, 10f); fixtureDef = new FixtureDef(); fixtureDef.density = 0f; fixtureDef.restitution = 1f; fixtureDef.friction = 0f; fixtureDef.shape = groundDownPoly; fixtureDef.filter.groupIndex = 0; groundDownBody.createFixture(fixtureDef); groundUpPoly = new PolygonShape(); groundUpPoly.setAsBox(480.0f, 10f); fixtureDef = new FixtureDef(); fixtureDef.friction = 0f; fixtureDef.restitution = 0f; fixtureDef.density = 0f; fixtureDef.shape = groundUpPoly; fixtureDef.filter.groupIndex = 0; groundUpBody.createFixture(fixtureDef); groundLeftPoly = new PolygonShape(); groundLeftPoly.setAsBox(10f, 320f); fixtureDef = new FixtureDef(); fixtureDef.friction = 0f; fixtureDef.restitution = 0f; fixtureDef.density = 0f; fixtureDef.shape = groundLeftPoly; fixtureDef.filter.groupIndex = 0; groundLeftBody.createFixture(fixtureDef); groundRightPoly = new PolygonShape(); groundRightPoly.setAsBox(10f, 320f); fixtureDef = new FixtureDef(); fixtureDef.friction = 0f; fixtureDef.restitution = 0f; fixtureDef.density = 0f; fixtureDef.shape = groundRightPoly; fixtureDef.filter.groupIndex = 0; groundRightBody.createFixture(fixtureDef); ballPoly = new CircleShape(); ballPoly.setRadius(16f); fixtureDef = new FixtureDef(); fixtureDef.shape = ballPoly; fixtureDef.density = 1f; fixtureDef.friction = 1f; fixtureDef.restitution = 1f; ballBodyDef = new BodyDef(); ballBodyDef.type = BodyType.DynamicBody; ballBodyDef.position.x = (int) 200; ballBodyDef.position.y = (int) 200; ballBody = world.createBody(ballBodyDef); // ballBody.setLinearVelocity(200f, 200f); // ballBody.applyLinearImpulse(new Vector2(250f, 250f), // ballBody.getLocalCenter()); ballBody.createFixture(fixtureDef); renderer = new Box2DDebugRenderer(true, false, false); } @Override public void dispose() { ballPoly.dispose(); groundLeftPoly.dispose(); groundUpPoly.dispose(); groundDownPoly.dispose(); groundRightPoly.dispose(); world.destroyBody(ballBody); world.dispose(); } @Override public void pause() { } @Override public void render() { world.step(1f/30f, 3, 3); Gdx.gl.glClearColor(1f, 1f, 1f, 1f); Gdx.gl.glClear(GL10.GL_COLOR_BUFFER_BIT); batch.begin(); vector2 = ballBody.getLinearVelocity(); System.out.println("X=" + vector2.x + " Y=" + vector2.y); ballPosition = ballBody.getPosition(); renderer.render(world,batch.getProjectionMatrix()); // int preX = (int) (vector2.x / Math.abs(vector2.x)); // int preY = (int) (vector2.y / Math.abs(vector2.y)); // // if (Math.abs(vector2.x) == 0.0f) // ballBody1.setLinearVelocity(1.4142137f, vector2.y); // else if (Math.abs(vector2.x) < 1.4142137f) // ballBody1.setLinearVelocity(preX * 5, vector2.y); // // if (Math.abs(vector2.y) == 0.0f) // ballBody1.setLinearVelocity(vector2.x, 1.4142137f); // else if (Math.abs(vector2.y) < 1.4142137f) // ballBody1.setLinearVelocity(vector2.x, preY * 5); batch.draw(sprite, (ballPosition.x - (texture.getRegionWidth() / 2)), (ballPosition.y - (texture.getRegionHeight() / 2))); batch.end(); } @Override public void resize(int arg0, int arg1) { } @Override public void resume() { } } I implement above code but I can not achieve higher moving speed of the ball

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  • Apache 2 Virtual Hosts no working on OSX 10.6

    - by matt_lethargic
    This is my first MacBook and I'm trying to get virtual hosts up and running so as it's going to be my dev machine. I've got apache/php/mysql running fine, the problem is that what ever address I go to I just get one of the virtual hosts I've setup. I can't even get to the root site anymore. I had phpmyadmin setup on http://localhost/pma but now that comes up with an error. If I take out the vhosts config file it seems to work again. I've put all my configs I can think you'll need below. ############## httpd config ############# ServerRoot "/usr" Listen 80 LoadModule authn_file_module libexec/apache2/mod_authn_file.so LoadModule authn_dbm_module libexec/apache2/mod_authn_dbm.so LoadModule authn_anon_module libexec/apache2/mod_authn_anon.so LoadModule authn_dbd_module libexec/apache2/mod_authn_dbd.so LoadModule authn_default_module libexec/apache2/mod_authn_default.so LoadModule authz_host_module libexec/apache2/mod_authz_host.so LoadModule authz_groupfile_module libexec/apache2/mod_authz_groupfile.so LoadModule authz_user_module libexec/apache2/mod_authz_user.so LoadModule authz_dbm_module libexec/apache2/mod_authz_dbm.so LoadModule authz_owner_module libexec/apache2/mod_authz_owner.so LoadModule authz_default_module libexec/apache2/mod_authz_default.so LoadModule auth_basic_module libexec/apache2/mod_auth_basic.so LoadModule auth_digest_module libexec/apache2/mod_auth_digest.so LoadModule cache_module libexec/apache2/mod_cache.so LoadModule disk_cache_module libexec/apache2/mod_disk_cache.so LoadModule mem_cache_module libexec/apache2/mod_mem_cache.so LoadModule dbd_module libexec/apache2/mod_dbd.so LoadModule dumpio_module libexec/apache2/mod_dumpio.so LoadModule reqtimeout_module libexec/apache2/mod_reqtimeout.so LoadModule ext_filter_module libexec/apache2/mod_ext_filter.so LoadModule include_module libexec/apache2/mod_include.so LoadModule filter_module libexec/apache2/mod_filter.so LoadModule substitute_module libexec/apache2/mod_substitute.so LoadModule deflate_module libexec/apache2/mod_deflate.so LoadModule log_config_module libexec/apache2/mod_log_config.so LoadModule log_forensic_module libexec/apache2/mod_log_forensic.so LoadModule logio_module libexec/apache2/mod_logio.so LoadModule env_module libexec/apache2/mod_env.so LoadModule mime_magic_module libexec/apache2/mod_mime_magic.so LoadModule cern_meta_module libexec/apache2/mod_cern_meta.so LoadModule expires_module libexec/apache2/mod_expires.so LoadModule headers_module libexec/apache2/mod_headers.so LoadModule ident_module libexec/apache2/mod_ident.so LoadModule usertrack_module libexec/apache2/mod_usertrack.so LoadModule setenvif_module libexec/apache2/mod_setenvif.so LoadModule version_module libexec/apache2/mod_version.so LoadModule proxy_module libexec/apache2/mod_proxy.so LoadModule proxy_connect_module libexec/apache2/mod_proxy_connect.so LoadModule proxy_ftp_module libexec/apache2/mod_proxy_ftp.so LoadModule proxy_http_module libexec/apache2/mod_proxy_http.so LoadModule proxy_scgi_module libexec/apache2/mod_proxy_scgi.so LoadModule proxy_ajp_module libexec/apache2/mod_proxy_ajp.so LoadModule proxy_balancer_module libexec/apache2/mod_proxy_balancer.so LoadModule ssl_module libexec/apache2/mod_ssl.so LoadModule mime_module libexec/apache2/mod_mime.so LoadModule dav_module libexec/apache2/mod_dav.so LoadModule status_module libexec/apache2/mod_status.so LoadModule autoindex_module libexec/apache2/mod_autoindex.so LoadModule asis_module libexec/apache2/mod_asis.so LoadModule info_module libexec/apache2/mod_info.so LoadModule cgi_module libexec/apache2/mod_cgi.so LoadModule dav_fs_module libexec/apache2/mod_dav_fs.so LoadModule vhost_alias_module libexec/apache2/mod_vhost_alias.so LoadModule negotiation_module libexec/apache2/mod_negotiation.so LoadModule dir_module libexec/apache2/mod_dir.so LoadModule imagemap_module libexec/apache2/mod_imagemap.so LoadModule actions_module libexec/apache2/mod_actions.so LoadModule speling_module libexec/apache2/mod_speling.so LoadModule userdir_module libexec/apache2/mod_userdir.so LoadModule alias_module libexec/apache2/mod_alias.so LoadModule rewrite_module libexec/apache2/mod_rewrite.so LoadModule bonjour_module libexec/apache2/mod_bonjour.so LoadModule php5_module libexec/apache2/libphp5.so <IfModule !mpm_netware_module> <IfModule !mpm_winnt_module> User _www Group _www </IfModule> </IfModule> ServerAdmin [email protected] ServerName localhost:80 DocumentRoot "/Library/WebServer/Documents" <Directory /> Options FollowSymLinks AllowOverride All Order allow,deny Allow from all </Directory> <Directory "/Library/WebServer/Documents"> Options Indexes FollowSymLinks MultiViews AllowOverride All Order allow,deny Allow from all </Directory> <IfModule dir_module> DirectoryIndex index.html </IfModule> <FilesMatch "^\.([Hh][Tt]|[Dd][Ss]_[Ss])"> Order allow,deny Deny from all Satisfy All </FilesMatch> <Files "rsrc"> Order allow,deny Deny from all Satisfy All </Files> <DirectoryMatch ".*\.\.namedfork"> Order allow,deny Deny from all Satisfy All </DirectoryMatch> ErrorLog "/private/var/log/apache2/error_log" LogLevel warn <IfModule log_config_module> LogFormat "%h %l %u %t \"%r\" %>s %b \"%{Referer}i\" \"%{User-Agent}i\"" combined LogFormat "%h %l %u %t \"%r\" %>s %b" common <IfModule logio_module> LogFormat "%h %l %u %t \"%r\" %>s %b \"%{Referer}i\" \"%{User-Agent}i\" %I %O" combinedio </IfModule> CustomLog "/private/var/log/apache2/access_log" common </IfModule> <IfModule alias_module> ScriptAliasMatch ^/cgi-bin/((?!(?i:webobjects)).*$) "/Library/WebServer/CGI-Executables/$1" </IfModule> <Directory "/Library/WebServer/CGI-Executables"> AllowOverride None Options None Order allow,deny Allow from all </Directory> DefaultType text/plain <IfModule mime_module> TypesConfig /private/etc/apache2/mime.types AddType application/x-compress .Z AddType application/x-gzip .gz .tgz </IfModule> TraceEnable off Include /private/etc/apache2/extra/httpd-mpm.conf Include /private/etc/apache2/extra/httpd-autoindex.conf Include /private/etc/apache2/extra/httpd-languages.conf Include /private/etc/apache2/extra/httpd-userdir.conf Include /private/etc/apache2/extra/httpd-vhosts.conf Include /private/etc/apache2/extra/httpd-manual.conf <IfModule ssl_module> SSLRandomSeed startup builtin SSLRandomSeed connect builtin </IfModule> Include /private/etc/apache2/other/*.conf ############# httpd-vhosts ################ NameVirtualHost *:80 <VirtualHost *:80> ServerAdmin [email protected] DocumentRoot "/Users/matt/Workspace/farmers-arms/website/farmers_arms" ServerName dev.farmers ServerAlias www.dev.farmers ErrorLog "/private/var/log/apache2/localhost.farmers-error_log" CustomLog "/private/var/log/apache2/localhost.farmers-access_log" common <Directory "/Users/matt/Workspace/farmers-arms/website/farmers_arms"> Options FollowSymLinks AllowOverride All Order allow,deny Allow from all </Directory> </VirtualHost> Hosts file 127.0.0.1 localhost 255.255.255.255 broadcasthost ::1 localhost fe80::1%lo0 localhost 127.0.0.1 dev.farmers 127.0.0.1 dev.hft Help!!!

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  • Why is my Tiled map distorted when rendered with LibGDX?

    - by Sean
    I have a Tiled map that looks like this in the editor: But when I load it using an AssetManager (full static source available on GitHub) it appears completely askew. I believe the relevant portion of the code is below. This is the entire method; the others are either empty or might as well be. private OrthographicCamera camera; private AssetManager assetManager; private BitmapFont font; private SpriteBatch batch; private TiledMap map; private TiledMapRenderer renderer; @Override public void create() { float w = Gdx.graphics.getWidth(); float h = Gdx.graphics.getHeight(); camera = new OrthographicCamera(); assetManager = new AssetManager(); batch = new SpriteBatch(); font = new BitmapFont(); camera.setToOrtho(false, (w / h) * 10, 10); camera.update(); assetManager.setLoader(TiledMap.class, new TmxMapLoader( new InternalFileHandleResolver())); assetManager.load(AssetInfo.ICE_CAVE.assetPath, TiledMap.class); assetManager.finishLoading(); map = assetManager.get(AssetInfo.ICE_CAVE.assetPath); renderer = new IsometricTiledMapRenderer(map, 1f/64f); }

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  • apache virtual host concept and dns

    - by Subhransu
    I want to have around 60 repositories of projects and I want to serve them from a dedicated remote server(ubuntu) with the help of mercurial server so that all my developers will be able to update their changes. I have followed this article in order to do that but stocked in the Apache Configuration Step (section 2.5 2.5.4). I have some following questions: What are the steps I need to follow to make apache to serve /home/hg/repositories/private/hgweb.cgi when I enter dev.example.com/private ? Is my virtual host file is correct or do I need to change anything ? I bought the example.com and how to make it to serve dev.example.com/private. Do I need to add A name(like : subdomain.example.com and then IP of my server) in the cpannel of hosting company? ServerAdmin webmaster@localhost ServerName dev.example.com ScriptAlias /private /home/hg/repositories/private/hgweb.cgi <Directory /home/hg/repositories/private/> Options ExecCGI FollowSymlinks AddHandler cgi-script .cgi DirectoryIndex hgweb.cgi AuthType Basic AuthName "Mercurial repositories" AuthUserFile /home/hg/tools/hgusers Require valid-user </Directory> ErrorLog ${APACHE_LOG_DIR}/dev.example.com_error.log # Possible values include: debug, info, notice, warn, error, cr$ # alert, emerg. LogLevel warn CustomLog ${APACHE_LOG_DIR}/dev.example.com_ssl_access.lo$ SSLEngine on SSLCertificateFile "/etc/apache2/ssl/dev.example.com.crt" SSLCertificateKeyFile "/etc/apache2/ssl/dev.example.com.k$ NOTE: The above is my virtual host file. I have not enabled the site yet and also not changed any host or hostname or httpd.conf file.

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  • How to ignore Eclipse workspace .metadata folder in Ubuntu One?

    - by Guilherme Franco
    Hello my friends! Could you help me? I'm a Eclipse's user and I want synchronize my workspace on Ubuntu One. The problem is because the Eclipse creates a metadata inside of workspace, this meta have some configurations of computer that use this program.... So, when I sync my workspace folder, this meta go with all my projects, and when I download it in another computer, Ubuntu One overrides the meta folder and crash my Eclipse.... There is some way of share a folder on Ubuntu One, but eliminate some internal folders? Tks in advance!!!

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  • Team Foundation Server 2012 Build Global List Problems

    - by Bob Hardister
    My experience with the upgrade and use of TFS 2012 has been very positive. I did come across a couple of issues recently that tripped things up for a while. ISSUE 1 The first issue is that 2012 prior to Update 1 published an invalid build list item value to the collection global list. In 2010, the build global list, list item value syntax is an underscore between the build definition and the build number. In the 2012 RTM this underscore was replaced with a backslash, which is invalid.  Specifically, an upload of the global list fails when the backslash is followed at some point by a period. The error when using the API is: <detail ExceptionMessage="TF26204: The account you entered is not recognized. Contact your Team Foundation Server administrator to add your account." BaseExceptionName="Microsoft.TeamFoundation.WorkItemTracking.Server.ValidationException"><details id="600019" http://schemas.microsoft.com/TeamFoundation/2005/06/WorkItemTracking/faultdetail/03"http://schemas.microsoft.com/TeamFoundation/2005/06/WorkItemTracking/faultdetail/03" /></detail> when uploading the global list via the process editor the error is: This issue is corrected in Update1 as the backslash is changed to a forward slash. ISSUE 2 The second issue is that when upgrading from 2010 to 2012, the builds in 2010 are not published to the 2012 global list.  After the upgrade the 2012 global lists doesn’t have any builds and only builds run in 2012 are published to the global list. This was reported to the MSDN forums and Connect. To correct this I wrote a utility to pull all the builds and recreate the builds global list for each project in each collection.  This is a console application with a program.cs, a globallists.cs and a app.config (not published here). The utility connects to TFS 2012, loops through the collections or a target collection as specified in the app.config. Then loops through the projects, the build definitions, and builds.  It creates a global list for each project if that project has at least one build. Then it imports the new list to TFS.  Here’s the code for program and globalists classes. Program.CS using System; using System.Collections.Generic; using System.Linq; using System.Text; using Microsoft.TeamFoundation.Framework.Client; using Microsoft.TeamFoundation.Framework.Common; using Microsoft.TeamFoundation.Client; using Microsoft.TeamFoundation.Server; using System.IO; using System.Xml; using Microsoft.TeamFoundation.WorkItemTracking.Client; using System.Diagnostics; using Utilities; using System.Configuration; namespace TFSProjectUpdater_CLC { class Program { static void Main(string[] args) { DateTime temp_d = System.DateTime.Now; string logName = temp_d.ToShortDateString(); logName = logName.Replace("/", "_"); logName = logName + "_" + temp_d.TimeOfDay; logName = logName.Replace(":", "."); logName = "TFSGlobalListBuildsUpdater_" + logName + ".log"; Trace.Listeners.Add(new TextWriterTraceListener(Path.Combine(ConfigurationManager.AppSettings["logLocation"], logName))); Trace.AutoFlush = true; Trace.WriteLine("Start:" + DateTime.Now.ToString()); Console.WriteLine("Start:" + DateTime.Now.ToString()); string tfsServer = ConfigurationManager.AppSettings["TargetTFS"].ToString(); GlobalLists gl = new GlobalLists(); //replace this with the URL to your TFS instance. Uri tfsUri = new Uri("https://" + tfsServer + "/tfs"); //bool foundLite = false; TfsConfigurationServer config = new TfsConfigurationServer(tfsUri, new UICredentialsProvider()); config.EnsureAuthenticated(); ITeamProjectCollectionService collectionService = config.GetService<ITeamProjectCollectionService>(); IList<TeamProjectCollection> collections = collectionService.GetCollections().OrderBy(collection => collection.Name.ToString()).ToList(); //target Collection string targetCollection = ConfigurationManager.AppSettings["targetCollection"]; foreach (TeamProjectCollection coll in collections) { if (targetCollection.Equals(string.Empty)) { if (!coll.Name.Equals("TFS Archive") && !coll.Name.Equals("DefaultCol") && !coll.Name.Equals("Team Project Template Gallery")) { doWork(coll, tfsServer); } } else { if (coll.Name.Equals(targetCollection)) { doWork(coll, tfsServer); } } } Trace.WriteLine("Finished:" + DateTime.Now.ToString()); Console.WriteLine("Finished:" + DateTime.Now.ToString()); if (System.Diagnostics.Debugger.IsAttached) { Console.WriteLine("\nHit any key to exit..."); Console.ReadKey(); } Trace.Close(); } static void doWork(TeamProjectCollection coll, string tfsServer) { GlobalLists gl = new GlobalLists(); //target Collection string targetProject = ConfigurationManager.AppSettings["targetProject"]; Trace.WriteLine("Collection: " + coll.Name); Uri u = new Uri("https://" + tfsServer + "/tfs/" + coll.Name.ToString()); TfsTeamProjectCollection c = TfsTeamProjectCollectionFactory.GetTeamProjectCollection(u); ICommonStructureService icss = c.GetService<ICommonStructureService>(); try { Trace.WriteLine("\tChecking Collection Global Lists."); gl.RebuildBuildGlobalLists(c); } catch (Exception ex) { Console.WriteLine("Exception! :" + coll.Name); } } } } GlobalLists.CS using System; using System.Collections.Generic; using System.Linq; using System.Text; using Microsoft.TeamFoundation.Client; using Microsoft.TeamFoundation.Framework.Client; using Microsoft.TeamFoundation.Framework.Common; using Microsoft.TeamFoundation.Server; using Microsoft.TeamFoundation.WorkItemTracking.Client; using Microsoft.TeamFoundation.Build.Client; using System.Configuration; using System.Xml; using System.Xml.Linq; using System.Diagnostics; namespace Utilities { public class GlobalLists { string GL_NewList = @"<gl:GLOBALLISTS xmlns:gl=""http://schemas.microsoft.com/VisualStudio/2005/workitemtracking/globallists""> <GLOBALLIST> </GLOBALLIST> </gl:GLOBALLISTS>"; public void RebuildBuildGlobalLists(TfsTeamProjectCollection _tfs) { WorkItemStore wis = new WorkItemStore(_tfs); //export the current globals lists file for the collection to save as a backup XmlDocument globalListsFile = wis.ExportGlobalLists(); globalListsFile.Save(@"c:\temp\" + _tfs.Name.Replace("\\", "_") + "_backupGlobalList.xml"); LogExportCurrentCollectionGlobalListsAsBackup(_tfs); //Build a new global build list from each build definition within each team project IBuildServer buildServer = _tfs.GetService<IBuildServer>(); foreach (Project p in wis.Projects) { XmlDocument newProjectGlobalList = new XmlDocument(); newProjectGlobalList.LoadXml(GL_NewList); LogInstanciateNewProjectBuildGlobalList(_tfs, p); BuildNewProjectBuildGlobalList(_tfs, wis, newProjectGlobalList, buildServer, p); LogEndOfProject(_tfs, p); } } // Private Methods private static void BuildNewProjectBuildGlobalList(TfsTeamProjectCollection _tfs, WorkItemStore wis, XmlDocument newProjectGlobalList, IBuildServer buildServer, Project p) { //locate the template node XmlNamespaceManager nsmgr = new XmlNamespaceManager(newProjectGlobalList.NameTable); nsmgr.AddNamespace("gl", "http://schemas.microsoft.com/VisualStudio/2005/workitemtracking/globallists"); XmlNode node = newProjectGlobalList.SelectSingleNode("//gl:GLOBALLISTS/GLOBALLIST", nsmgr); LogLocatedGlobalListNode(_tfs, p); //add the name attribute for the project build global list XmlElement buildListNode = (XmlElement)node; buildListNode.SetAttribute("name", "Builds - " + p.Name); LogAddedBuildNodeName(_tfs, p); //add new builds to the team project build global list bool buildsExist = false; if (AddNewBuilds(_tfs, newProjectGlobalList, buildServer, p, node, buildsExist)) { //import the new build global list for each project that has builds newProjectGlobalList.Save(@"c:\temp\" + _tfs.Name.Replace("\\", "_") + "_" + p.Name + "_" + "newGlobalList.xml"); //write out temp copy of the global list file to be imported LogImportReady(_tfs, p); wis.ImportGlobalLists(newProjectGlobalList.InnerXml); LogImportComplete(_tfs, p); } } private static bool AddNewBuilds(TfsTeamProjectCollection _tfs, XmlDocument newProjectGlobalList, IBuildServer buildServer, Project p, XmlNode node, bool buildsExist) { var buildDefinitions = buildServer.QueryBuildDefinitions(p.Name); foreach (var buildDefinition in buildDefinitions) { var builds = buildDefinition.QueryBuilds(); foreach (var build in builds) { //insert the builds into the current build list node in the correct 2012 format buildsExist = true; XmlElement listItem = newProjectGlobalList.CreateElement("LISTITEM"); listItem.SetAttribute("value", buildDefinition.Name + "/" + build.BuildNumber.ToString().Replace(buildDefinition.Name + "_", "")); node.AppendChild(listItem); } } if (buildsExist) LogBuildListCreated(_tfs, p); else LogNoBuildsInProject(_tfs, p); return buildsExist; } // Logging Methods private static void LogExportCurrentCollectionGlobalListsAsBackup(TfsTeamProjectCollection _tfs) { Trace.WriteLine("\tExported Global List for " + _tfs.Name + " collection."); Console.WriteLine("\tExported Global List for " + _tfs.Name + " collection."); } private void LogInstanciateNewProjectBuildGlobalList(TfsTeamProjectCollection _tfs, Project p) { Trace.WriteLine("\t\tInstanciated the new build global list for project " + p.Name + " in the " + _tfs.Name + " collection."); Console.WriteLine("\t\tInstanciated the new build global list for project \n\t\t\t" + p.Name + " in the \n\t\t\t" + _tfs.Name + " collection."); } private static void LogLocatedGlobalListNode(TfsTeamProjectCollection _tfs, Project p) { Trace.WriteLine("\t\tLocated the build global list node for project " + p.Name + " in the " + _tfs.Name + " collection."); Console.WriteLine("\t\tLocated the build global list node for project \n\t\t\t" + p.Name + " in the \n\t\t\t" + _tfs.Name + " collection."); } private static void LogAddedBuildNodeName(TfsTeamProjectCollection _tfs, Project p) { Trace.WriteLine("\t\tAdded the name attribute to the build global list for project " + p.Name + " in the " + _tfs.Name + " collection."); Console.WriteLine("\t\tAdded the name attribute to the build global list for project \n\t\t\t" + p.Name + " in the \n\t\t\t" + _tfs.Name + " collection."); } private static void LogBuildListCreated(TfsTeamProjectCollection _tfs, Project p) { Trace.WriteLine("\t\tAdded all builds into the " + "Builds - " + p.Name + " list in the " + _tfs.Name + " collection."); Console.WriteLine("\t\tAdded all builds into the " + "Builds - \n\t\t\t" + p.Name + " list in the \n\t\t\t" + _tfs.Name + " collection."); } private static void LogNoBuildsInProject(TfsTeamProjectCollection _tfs, Project p) { Trace.WriteLine("\t\tNo builds found for project " + p.Name + " in the " + _tfs.Name + " collection."); Console.WriteLine("\t\tNo builds found for project " + p.Name + " \n\t\t\tin the " + _tfs.Name + " collection."); } private void LogEndOfProject(TfsTeamProjectCollection _tfs, Project p) { Trace.WriteLine("\t\tEND OF PROJECT " + p.Name); Trace.WriteLine(" "); Console.WriteLine("\t\tEND OF PROJECT " + p.Name); Console.WriteLine(); } private static void LogImportReady(TfsTeamProjectCollection _tfs, Project p) { Trace.WriteLine("\t\tReady to import the build global list for project " + p.Name + " to the " + _tfs.Name + " collection."); Console.WriteLine("\t\tReady to import the build global list for project \n\t\t\t" + p.Name + " to the \n\t\t\t" + _tfs.Name + " collection."); } private static void LogImportComplete(TfsTeamProjectCollection _tfs, Project p) { Trace.WriteLine("\t\tImport of the build global list for project " + p.Name + " to the " + _tfs.Name + " collection completed."); Console.WriteLine("\t\tImport of the build global list for project \n\t\t\t" + p.Name + " to the \n\t\t\t" + _tfs.Name + " collection completed."); } } }

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  • Saving game data to server [on hold]

    - by Eugene Lim
    What's the best method to save the player's data to the server? Method to store the game saves Which one of the following method should I use ? Using a database structure(e.g.. mySQL) to store the game data as blobs? Using the server hard disk to store the saved game data as binary data files? Method to send saved game data to server What method should I use ? socketIO web socket a web-based scripting language to receive the game data as binary? for example, a php script to handle binary data and save it to file Meta-data I read that some games store saved game meta-data in database structures. What kind of meta data is useful to store?

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  • creating proper vpn tunnel, when both LANs have the same addressing

    - by meta
    I was following this tutorial http://wiki.debian.org/OpenVPN#TLS-enabled_VPN and this one http://users.telenet.be/mydotcom/howto/linux/openvpn.htm to create openvpn connection to my remote LAN. But both examples assumed that both LANs have different addresses (ie 192.168.10.0/24 and 192.168.20.0/24, check out this image i.stack.imgur.com/2eUSm.png). Unfortunately in my case both local and remote lan have 192.168.1.0/24 addresses. I am able to connect directly on the openvpn server (I can ping it and log in with ssh), but I can't see other devices on the remote LAN (not mentioning accessing them via browser which was the point from the first place). And don't know if the addressing issue may be the reason of that? If not - how to define routes, so I could ping other devices in remote LAN?

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