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  • seam page parameters not working as expected.

    - by rangalo
    Hi, I am learning seam and following a very famous book Seam In Action by Dan Allen. This is an example from this book. Seam 2.2.0.GA JBoss 5.1.0.GA Here the page parameter roundId is always null even after a round is serialized, it is never passed. Neither to Roud.xhtml nor to RoundEdit.xhtml after clicking save on RoundEdit.xhtml. The entity always stays unmanaged. RoundEdit.page.xml <?xml version="1.0" encoding="UTF-8"?> <page xmlns="http://jboss.com/products/seam/pages" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://jboss.com/products/seam/pages http://jboss.com/products/seam/pages-2.2.xsd" login-required="true"> <begin-conversation join="true" /> <param name="roundId" value="#{roundHome.id}" converterId="javax.faces.Long"/> <param name="teeSetId" value="#{teeSetHome.teeSetId}" /> <param name="roundFrom" /> <action execute="#{roundHome.wire}" /> <navigation from-action="#{roundHome.persist}"> <rule if-outcome="persisted"> <end-conversation/> <redirect view-id="#{null != roundFrom ? roundFrom : '/Round.xhtml'}" /> </rule> </navigation> </page> RoundEdit.xhtml <?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE composition PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <ui:composition xmlns="http://www.w3.org/1999/xhtml" xmlns:s="http://jboss.com/products/seam/taglib" xmlns:ui="http://java.sun.com/jsf/facelets" xmlns:f="http://java.sun.com/jsf/core" xmlns:h="http://java.sun.com/jsf/html" xmlns:a="http://richfaces.org/a4j" xmlns:rich="http://richfaces.org/rich" template="layout/template.xhtml"> <ui:define name="body"> <h:form id="roundform"> <rich:panel> <f:facet name="header>"> #{roundHome.managed ? 'Edit' : 'Add' } Round </f:facet> <s:decorate id="dateField" template="layout/edit.xhtml"> <ui:define name="label">Date:</ui:define> <rich:calendar id="date" datePattern="dd/MM/yyyy" value="#{round.date}"/> </s:decorate> <s:decorate id="notesField" template="layout/edit.xhtml"> <ui:define name="label">Notes:</ui:define> <h:inputTextarea id="notes" cols="80" rows="3" value="#{round.notes}" /> </s:decorate> <s:decorate id="totalScoreField" template="layout/edit.xhtml"> <ui:define name="label">Total Score:</ui:define> <h:inputText id="totalScore" value="#{round.totalScore}" /> </s:decorate> <s:decorate id="weatherField" template="layout/edit.xhtml"> <ui:define name="label">Weather:</ui:define> <h:selectOneMenu id="weather" value="#{round.weather}"> <s:selectItems var="_weather" value="#{weatherCategories}" label="#{_weather.label}" noSelectionLabel=" Select " /> <s:convertEnum/> </h:selectOneMenu> </s:decorate> <h:messages/> <div style="clear: both;"> <span class="required">*</span> required fields </div> </rich:panel> <div class="actionButtons"> <h:commandButton id="save" value="Save" action="#{roundHome.persist}" rendered="#{!roundHome.managed}" disabled="#{!roundHome.wired}" /> <h:commandButton id="update" value="Update" action="#{roundHome.update}" rendered="#{roundHome.managed}" /> <h:commandButton id="delete" value="Delete" action="#{roundHome.remove}" rendered="#{roundHome.managed}" /> <s:button id="discard" value="Discard changes" propagation="end" view="/Round.xhtml" rendered="#{roundHome.managed}" /> <s:button id="cancel" value="Cancel" propagation="end" view="/#{empty roundFrom ? 'RoundList' : roundFrom}.xhtml" rendered="#{!roundHome.managed}" /> </div> <rich:tabPanel> <rich:tab label="Tee Set"> <div class="association"> <h:outputText value="Tee set not selected" rendered="#{round.teeSet == null}" /> <rich:dataTable var="_teeSet" value="#{round.teeSet}" rendered="#{round.teeSet != null}"> <h:column> <f:facet name="header">Course</f:facet>#{_teeSet.course.name} </h:column> <h:column> <f:facet name="header">Color</f:facet>#{_teeSet.color} </h:column> <h:column> <f:facet name="header">Position</f:facet>#{_teeSet.pos} </h:column> </rich:dataTable> </div> </rich:tab> </rich:tabPanel> </h:form> </ui:define> </ui:composition> Round.page.xml <?xml version="1.0" encoding="UTF-8"?> <page xmlns="http://jboss.com/products/seam/pages" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://jboss.com/products/seam/pages http://jboss.com/products/seam/pages-2.2.xsd"> <param name="roundId" value="#{roundHome.id}" converterId="javax.faces.Long"/> </page> Round.xhtml <?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE composition PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <ui:composition xmlns="http://www.w3.org/1999/xhtml" xmlns:s="http://jboss.com/products/seam/taglib" xmlns:ui="http://java.sun.com/jsf/facelets" xmlns:f="http://java.sun.com/jsf/core" xmlns:h="http://java.sun.com/jsf/html" xmlns:a="http://richfaces.org/a4j" xmlns:rich="http://richfaces.org/rich" template="layout/template.xhtml"> <ui:define name="body"> <h:form id="roundform"> <rich:panel> <f:facet name="header>">Round</f:facet> <s:decorate id="id" template="layout/display.xhtml"> <ui:define name="label">Id:</ui:define> <h:outputText value="#{null == roundHome.id ? 'null' : roundHome.id}"> <s:convertDateTime type="date" /> </h:outputText> </s:decorate> <s:decorate id="date" template="layout/display.xhtml"> <ui:define name="label">Date:</ui:define> <h:outputText value="#{roundHome.instance.date}"> <s:convertDateTime type="date" /> </h:outputText> </s:decorate> <s:decorate id="golfer" template="layout/display.xhtml"> <ui:define name="label">Golfer:</ui:define> #{roundHome.instance.golfer.name} </s:decorate> <s:decorate id="totalScore" template="layout/display.xhtml"> <ui:define name="label">Total Score:</ui:define> #{roundHome.instance.totalScore} </s:decorate> <s:decorate id="weather" template="layout/display.xhtml"> <ui:define name="label">Weather:</ui:define> #{roundHome.instance.weather} </s:decorate> <s:decorate id="notes" template="layout/display.xhtml"> <ui:define name="label">Notes:</ui:define> #{roundHome.instance.notes} </s:decorate> <div style="clear:both"/> </rich:panel> <div class="actionButtons"> <s:button id="edit" view="/RoundEdit.xhtml" value="Edit" /> </div> <rich:tabPanel> <rich:tab label="Tee Set"> <div class="association"> <h:outputText value="Tee set not selected" rendered="#{roundHome.instance.teeSet == null}" /> <rich:dataTable var="_teeSet" value="#{roundHome.instance.teeSet}" rendered="#{roundHome.instance.teeSet != null}"> <h:column> <f:facet name="header">Course</f:facet>#{_teeSet.course.name} </h:column> <h:column> <f:facet name="header">Color</f:facet>#{_teeSet.color} </h:column> <h:column> <f:facet name="header">Position</f:facet>#{_teeSet.pos} </h:column> </rich:dataTable> </div> </rich:tab> </rich:tabPanel> </h:form> </ui:define> </ui:composition> The entityHome RoundHome.java @Name("roundHome") public class RoundHome extends EntityHome<Round>{ @In(required = false) private Golfer currentGolfer; @In(create = true) private TeeSetHome teeSetHome; @Logger private Log logger; public void wire() { logger.info("wire called"); TeeSet teeSet = teeSetHome.getDefinedInstance(); if (null != teeSet) { getInstance().setTeeSet(teeSet); logger.info("Successfully wired the teeSet instance with color: " + teeSet.getColor()); } } public boolean isWired() { logger.info("is wired called"); if(null == getInstance().getTeeSet()) { logger.info("wired teeSet instance is null, the button will be disabled !"); return false; } else { logger.info("wired teeSet instance is NOT null, the button will be enabled !"); logger.info("teeSet color: "+getInstance().getTeeSet().getColor()); return true; } } @RequestParameter public void setRoundId(Long id) { logger.info("in Setter RoundId is: " + id); super.setId(id); } public Long getRoundId() { Long id = (Long) getId(); logger.info("Setting RoundId : " + id); return id; } @Override protected Round createInstance() { Round round = super.createInstance(); round.setGolfer(currentGolfer); round.setDate(new java.sql.Date(System.currentTimeMillis())); logger.info("Created a Round with roundId: " + round.getId()); return round; } @Override protected Round loadInstance() { logger.info("loadInstance for id: " + getId()); return (Round) getEntityManager().createQuery( "select r from Round r " + "join fetch r.golfer g " + "join fetch r.teeSet ts " + "join fetch ts.course c " + "where r.id = :id ") .setParameter("id",getId()) .getSingleResult(); } }

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  • How do you Send More that 20 Parameters to a Stored Procedure Using ODP.Net?

    - by discwiz
    Switching from Microsofts Oracle Driver to ODP.NET version 10.2.0.100. After changing the data types to OracleDBTypes in a procedure, that worked perficetly using System.Data.OracleClient, the procedure fails if we try and pass in more that 20 parameters. The error returned is: ORA-06550: line 1, column 7: PLS-00306: wrong number or types of arguments in call to 'ADD_TARP_EVENT' ORA-06550: line 1, column 7: PL/SQL: Statement ignorede If we reduce the number of parameters to less than 20 it works. Is this a known issue? Thanks, Dave Here the code for creating the parameters: Shared Function CreateTarpEventCommand(ByVal aTarpEvent As TARPEventType) As OracleCommand Dim cmd As New OracleCommand With aTarpEvent cmd.Parameters.Add(New OracleParameter("I_facID_C", OracleDbType.Char)).Value = .FacilityShortName cmd.Parameters.Add(New OracleParameter("I_facName_VC", OracleDbType.Varchar2)).Value = .FacilityLongName cmd.Parameters.Add(New OracleParameter("I_client_VC", OracleDbType.Varchar2)).Value = .ComputerNameTarpIsRunningOn cmd.Parameters.Add(New OracleParameter("I_TARP_Version_VC", OracleDbType.Varchar2)).Value = .TarpVersionNumber cmd.Parameters.Add(New OracleParameter("I_NAS_Type_VC", OracleDbType.Varchar2)).Value = .FacilityNASSystemType cmd.Parameters.Add(New OracleParameter("I_Aircraft1_Callsign_VC", OracleDbType.Varchar2)).Value = .Aircraft1Callsign If .Aircraft1Type Is Nothing Then cmd.Parameters.Add(New OracleParameter("I_Aircraft1_Type_VC", OracleDbType.Varchar2)).Value = .Aircraft1Type End If If .Aircraft1Category Is Nothing Then cmd.Parameters.Add(New OracleParameter("I_Aircraft1_Cat_VC", OracleDbType.Varchar2)).Value = .Aircraft1Category End If cmd.Parameters.Add(New OracleParameter("I_Aircraft2_Callsign_VC", OracleDbType.Varchar2)).Value = .Aircraft2Callsign If .Aircraft2Type Is Nothing Then cmd.Parameters.Add(New OracleParameter("I_Aircraft2_Type_VC", OracleDbType.Varchar2)).Value = .Aircraft2Type End If If .Aircraft2Category Is Nothing Then cmd.Parameters.Add(New OracleParameter("I_Aircraft2_Cat_VC", OracleDbType.Varchar2)).Value = .Aircraft2Category End If If .SensorShortName Is Nothing Then cmd.Parameters.Add(New OracleParameter("I_Sensor_Name_VC", OracleDbType.Varchar2)).Value = .SensorShortName End If If .TarpConfigurationName Is Nothing Then cmd.Parameters.Add(New OracleParameter("I_TARP_Config_Name_VC", OracleDbType.Varchar2)).Value = .TarpConfigurationName End If If .EntryCreatorID Is Nothing Then cmd.Parameters.Add(New OracleParameter("I_Create_VC", OracleDbType.Varchar2)).Value = .EntryCreatorID End If If .LogAction Is Nothing Then cmd.Parameters.Add(New OracleParameter("I_Log_Action_VC", OracleDbType.Varchar2)).Value = .LogAction End If cmd.Parameters.Add(New OracleParameter("I_TARP_Mode_VC", OracleDbType.Varchar2)).Value = .TarpOperatingMode cmd.Parameters.Add(New OracleParameter("I_Min_Loss_N", OracleDbType.Decimal)).Value = .ClosestMeasureOfLoSS If .MapName Is Nothing Then cmd.Parameters.Add(New OracleParameter("I_MAP_NAME_VC", OracleDbType.Varchar2)).Value = .MapName End If If .TarpConfigurationFileHash Is Nothing Then cmd.Parameters.Add(New OracleParameter("I_CONFIG_HASH_VC", OracleDbType.Varchar2)).Value = .TarpConfigurationFileHash End If Dim aDate As OracleDate = CType(.LossEventsMessages(0).LossEventTime, System.DateTime) cmd.Parameters.Add(New OracleParameter("I_FIRST_LOSS_EVENT_DATE", OracleDbType.Date)).Value = aDate cmd.Parameters.Add(New OracleParameter("I_FIRST_LOSS_EVENT_MS_N", OracleDbType.Int32)).Value = .LossEventsMessages(0).LossEventMilliSeconds If .ZippedMapFiles Is Nothing Then cmd.Parameters.Add(New OracleParameter("I_Map_File_BL", OracleDbType.Blob)).Value = .ZippedMapFiles End If cmd.Parameters.Add(New OracleParameter("I_TARP_Package_BL", OracleDbType.Blob)).Value = .ZippedTarpPackageWithoutMaps cmd.Parameters.Add(New OracleParameter("rs_RESULTS", OracleDbType.RefCursor)).Direction = ParameterDirection.Output End With Return cmd End Function And here is the code for executing the procedure: Dim workingDataSet As New DataSet Dim oracleConnection As New OracleConnection Dim cmd As New OracleCommand Dim oracleDataAdapter As New OracleDataAdapter Try Using oracleConnection oracleConnection.ConnectionString = System.Configuration.ConfigurationManager.AppSettings("MasterConnectionODT") cmd = HelperDB.CreateTarpEventCommand(TarpEvent) cmd.Connection = oracleConnection cmd.CommandText = "LOADER.ADD_TARP_EVENT" cmd.CommandType = CommandType.StoredProcedure Using oracleConnection oracleConnection.Open() Dim aTransation As OracleTransaction = oracleConnection.BeginTransaction(IsolationLevel.ReadCommitted) Try Using oracleDataAdapter oracleDataAdapter = New OracleDataAdapter(cmd) oracleDataAdapter.TableMappings.Add("Results", "rs_Max") oracleDataAdapter.Fill(workingDataSet) ....

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  • Overriding Only Some Default Parameters in ActionScript

    - by TheDarkIn1978
    i have a function which has all optional arguments. is it possible to override a an argument of a function without supplying the first? in the code below, i'd like to keep most of the default arguments for the drawSprite function, and only override the last argument, which is the sprite's color. but how can i call the object? DrawSprite(0x00FF00) clearly will not work. //Main Class package { import DrawSprite; import flash.display.Sprite; public class Start extends Sprite { public function Start():void { var myRect:DrawSprite = new DrawSprite(0x00FF00) addChild(myRect); } } } //Draw Sprite Class package { import flash.display.Sprite; import flash.display.Graphics; public class DrawSprite extends Sprite { private static const DEFAULT_WIDTH:Number = 100; private static const DEFAULT_HEIGHT:Number = 200; private static const DEFAULT_COLOR:Number = 0x000000; public function DrawSprite(spriteWidth:Number = DEFAULT_WIDTH, spriteHeight:Number = DEFAULT_HEIGHT, spriteColor:Number = DEFAULT_COLOR):void { graphics.beginFill(spriteColor, 1.0); graphics.drawRect(0, 0, spriteWidth, spriteHeight); graphics.endFill(); } } }

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  • XSLT: use parameters in xls:sort attributes

    - by fireeyedboy
    How do I apply a parameter to a select and order attribute in a xsl:sort element? I'ld like to do this dynamic with PHP with something like this: $xsl = new XSLTProcessor(); $xslDoc = new DOMDocument(); $xslDoc->load( $this->_xslFilePath ); $xsl->importStyleSheet( $xslDoc ); $xsl->setParameter( '', 'sortBy', 'viewCount' ); $xsl->setParameter( '', 'order', 'descending' ); But I'ld first have to now how to get this to work. I tried the following, but it gives me a 'compilation error' : 'invalid value $order for order'. $sortBy doesn't seem to do anything either: <?xml version="1.0" encoding="utf-8"?> <xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform"> <xsl:output method="xml" indent="yes"/> <xsl:param name="sortBy" select="viewCount"/> <xsl:param name="order" select="descending"/> <xsl:template match="/"> <media> <xsl:for-each select="media/medium"> <xsl:sort select="$sortBy" order="$order"/> // <someoutput> </xsl:for-each> </media> </xsl:template> </xsl:stylesheet>

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  • Can someone explain me implicit parameters in Scala?

    - by Oscar Reyes
    And more specifically how does the BigInt works for convert int to BigInt? In the source code it reads: ... implicit def int2bigInt(i: Int): BigInt = apply(i) ... How is this code invoked? I can understand how this other sample: "Date literals" works. In. val christmas = 24 Dec 2010 Defined by: implicit def dateLiterals(date: Int) = new { import java.util.Date def Dec(year: Int) = new Date(year, 11, date) } When int get's passed the message Dec with an int as parameter, the system looks for another method that can handle the request, in this case Dec(year:Int) Q1. Am I right in my understanding of Date literals? Q2. How does it apply to BigInt? Thanks

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  • CakePHP passing parameters to action

    - by iancocco
    Hi im kinda new in cakephp and having a lot of trouble adjusting.. Here's my biggest problem .. Im trying to pass a parameter to an action, it does load, but when my script goes from the controller to the view, and goes back to the controller again, its gone. CONTROLLER CODE function add($mac = 0) { if(isset($this->params['form']['medico'])) { $temp= $this->Person->find('first', array('conditions' => array('smartphones_MAC' => $mac))); $id= $temp['Person']['id']; $this->Union->set('events_id', $id+1); $this->Union->set('people_id', $id); $this->Union->save(); } VIEW CODE (This is a menu, i only have one button right now) <fieldset> <legend>SELECCIONE SU ALERTA</legend> <?php echo $form->create('Event'); echo $form->submit('EMERGENCIA MEDICA',array('name'=>'medico')); echo $form->end(); ?> </fieldset>

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  • System.Diagnostics.Process to run processes, send parameters and get output

    - by Lily
    Hi, I am trying to call a process using System.Diagnostics.Process, send it a parameter, just for the sake of trying it out i am sending "-h" which should generate a list of help options and I need the output. So far I have tried, ProcessStartInfo startInfo = new ProcessStartInfo("C:\\agfl\\agfl.exe"); startInfo.WindowStyle = ProcessWindowStyle.Normal; startInfo.CreateNoWindow = false; startInfo.Arguments = "-h"; Process.Start(startInfo); Any help please? Thanks :)

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  • [.htaccess] General RewriteRule for many undefined parameters in url

    - by FedericoBiccheddu
    I'm trying to write a rule to make that one can generalize, since multiple pages to pass the values are different. Right now I could do: RewriteRule ^forum/([^/]{1,255})/([\+]{1})/((([a-z]+)([_]{1})([a-zA-Z0-9]+)([/]?))+)$ forum.php?name=$1&$5=$7 [L] To address such as: Nome+del+Forum/+/page_1/action_do Should return: forum.php?name=Nome+del+Forum&page=1&action=do Instead, take only the last parameter (in this case action=do): forum.php?name=Nome+del+Forum&action=do How can I fix? Thanks in advance!

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  • General RewriteRule for many undefined parameters in URL

    - by FedericoBiccheddu
    I'm trying to write a rule to make that one can generalize, since multiple pages to pass the values are different. Right now I could do: RewriteRule ^forum/([^/]{1,255})/([\+]{1})/((([a-z]+)([_]{1})([a-zA-Z0-9]+)([/]?))+)$ forum.php?name=$1&$5=$7 [L] To address such as: Nome+del+Forum/+/page_1/action_do Should return: forum.php?name=Nome+del+Forum&page=1&action=do Instead, take only the last parameter (in this case action=do): forum.php?name=Nome+del+Forum&action=do How can I fix? Thanks in advance!

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  • Bash: using commands as parameters (specificly cd, dirname and find)

    - by sixtyfootersdude
    This command and output: % find . -name file.xml 2> /dev/null ./a/d/file.xml % So this command and output: % dirname `find . -name file.xml 2> /dev/null` ./a/d % So you would expect that this command: % cd `dirname `find . -name file.xml 2> /dev/null`` Would change the current directory to ./a/d. Strangely this does not work. When I type cd ./a/d. The directory change works. However I cannot find out why the above does not work...

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  • Is passing NULL param exactly the same as passing no param

    - by park
    I'm working with a function whose signature looks like this afunc(string $p1, mixed $p2, array $p3 [, int $p4 = SOM_CONST [, string $p5 ]] ) In some cases I don't have data for the last parameter $p5 to pass, but for the sake of consistency I still want to pass something like NULL. So my question, does PHP treat passing a NULL exactly the same as not passing anything? somefunc($p1, $p2, $p3, $p4 = SOM_CONST); somefunc($p1, $p2, $p3, $p4 = SOM_CONST, NULL);

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  • Bash: using commands as parameters (specifically cd, dirname and find)

    - by sixtyfootersdude
    This command and output: % find . -name file.xml 2> /dev/null ./a/d/file.xml % So this command and output: % dirname `find . -name file.xml 2> /dev/null` ./a/d % So you would expect that this command: % cd `dirname `find . -name file.xml 2> /dev/null`` Would change the current directory to ./a/d. Strangely this does not work. When I type cd ./a/d. The directory change works. However I cannot find out why the above does not work...

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  • Ldap search query with parameters

    - by djerry
    Hey guys, I'm using a ldap server to store phonerecords. I want to select a record with a specific telnumber. So this is what I'm doing: LdapSearchResults lsc = _conn.Search(dnForPhonebook, 1, "(&(objectClass=*)(uid=" + id + "))", null, false); I'm using novell library for ldap commands. The options i need to give in for the Search command are the dn to the node "phonebook" (string), scope (int), filter (string), attrrs (string[]) and typesOnly (bool). As you can see, for the filter, i'm pasting the parameter as string in de stringfilter. I was wondering, does ldap have the same way of work as mysql or sql server, which can work with paramaters? Thanks in advance.

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  • Can someone exaplain me implicit parameters in Scala?

    - by Oscar Reyes
    And more specifically how does the BigInt works for convert int to BigInt? In the source code it reads: ... implicit def int2bigInt(i: Int): BigInt = apply(i) ... How is this code invoked? I can understand how this other sample: "Date literals" works. In. val christmas = 24 Dec 2010 Defined by: implicit def dateLiterals(date: Int) = new { import java.util.Date def Dec(year: Int) = new Date(year, 11, date) } When int get's passed the message Dec with an int as parameter, the system looks for another method that can handle the request, in this case Dec(year:Int) Q1. Am I right in my understanding of Date literals? Q2. How does it apply to BigInt? Thanks

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  • Python calling class methods with the wrong number of parameters

    - by Hussain
    I'm just beginning to learn python. I wrote an example script to test OOP in python, but something very odd has happened. When I call a class method, Python is calling the function with one more parameter than given. Here is the code: 1. class Bar: 2. num1,num2 = 0,0 3. def __init__(num1,num2): 4. num1,num2 = num1,num2 5. def foo(): 6. if num1 num2: 7. print num1,'is greater than ',num2,'!' 8. elif num1 is num2: 9. print num1,' is equal to ',num2,'!' 10. else: 11. print num1,' is less than ',num2,'!' 12. a,b,t = 42,84,bar(a,b) 13. t.foo 14. 15. t.num1 = t.num1^t.num2 16. t.num2 = t.num2^t.num1 17. t.num1 = t.num1^t.num2 18. 19. t.foo 20. And the error message I get: python test.py Traceback (most recent call last): File "test.py", line 12, in a,b,t = 42,84,bar(a,b) NameError: name 'bar' is not defined Can anyone help? Thanks in advance

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  • compiler warning on (ambiguous) method resolution with named parameters

    - by FireSnake
    One question regarding whether the following code should yield a compiler warning or not (it doesn't). It declares two methods of the same name/return type, one has an additional named/optional parameter with default value. NOTE: technically the resolution isn't ambiguous, because the rules clearly state that the first method will get called. See here, Overload resolution, third bullet point. This behavior is also intuitive to me, no question. public void Foo(int arg) { ... } public void Foo(int arg, bool bar = true) { ...} Foo(42); // shouldn't this give a compiler warning? I think a compiler warning would be kind of intuitive here. Though the code technically is clean (whether it is a sound design is a different question:)).

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  • how to use expressons as function parameters in powershell

    - by rmeador
    This is a very simple task in every language I have ever used, but I can't seem to figure it out in PowerShell. An example of what I'm talking about in C: abs(x + y) The expression x + y is evaluated, and the result passed to abs as the parameter... how do I do that in PowerShell? The only way I have figured out so far is to create a temporary variable to store the result of the expression, and pass that. PowerShell seems to have very strange grammar and parsing rules that are constantly catching me by surprise, just like this situation. Does anyone know of documentation or a tutorial that explains the basic underlying theory of the language? I can't believe these are all special cases, there must be some rhyme or reason that no tutorial I have yet read explains. And yes, I've read this question, and all of those tutorials are awful. I've pretty much been relegated to learning from existing code.

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  • XSLT: use parameters in xls:sort attributes (dynamic sorting)

    - by fireeyedboy
    How do I apply a parameter to a select and order attribute in a xsl:sort element? I'ld like to do this dynamic with PHP with something like this: $xsl = new XSLTProcessor(); $xslDoc = new DOMDocument(); $xslDoc->load( $this->_xslFilePath ); $xsl->importStyleSheet( $xslDoc ); $xsl->setParameter( '', 'sortBy', 'viewCount' ); $xsl->setParameter( '', 'order', 'descending' ); But I'ld first have to now how to get this to work. I tried the following, but it gives me a 'compilation error' : 'invalid value $order for order'. $sortBy doesn't seem to do anything either: <?xml version="1.0" encoding="utf-8"?> <xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform"> <xsl:output method="xml" indent="yes"/> <xsl:param name="sortBy" select="viewCount"/> <xsl:param name="order" select="descending"/> <xsl:template match="/"> <media> <xsl:for-each select="media/medium"> <xsl:sort select="$sortBy" order="$order"/> // <someoutput> </xsl:for-each> </media> </xsl:template> </xsl:stylesheet>

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  • Different ways of accessing configuration parameters from a JAX-WS service

    - by ecerulm
    As far as I know I can access the web.xml <context-param>s by making my class implement ServletContextListener and use the ServletContext.getInitParam(String) to read them, but it´s cumbersome as only one instance of the class will receive the contextInitialized(ServletContextEvent sce) call, so I need to make the ServletContext an static member of the class. What other ways exist of setting conf params at deployment time and what are the recommended ones?

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  • PHP Function parameters - problem with var not being set

    - by Marty
    So I am obviously not a very good programmer. I have written this small function: function dispAdjuggler($atts) { extract(shortcode_atts(array( 'slot' => '' ), $atts)); $adspot = ''; $adtype = ''; // Get blog # we're on global $blog_id; switch ($blog_id) { case 1: // root blog HOME page if (is_home()) { switch ($slot) { case 'top_leaderboard': $adspot = '855525'; $adtype = '608934'; break; case 'right_halfpage': $adspot = '855216'; $adtype = '855220'; break; case 'right_med-rectangle': $adspot = '858222'; $adtype = '613526'; break; default: throw new Exception("Ad slot is not defined"); break; } When I reference the function on a page like so: <?php dispAdjuggler("top_leaderboard"); ?> The switch is throwing the default exception. What am I doing wrong here? Thanks!!

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