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  • tomcat resource missing, servlet not running

    - by user2837260
    import javax.servlet.*; import java.io.*; public class MyServlet implements Servlet { public void init(ServletConfig con) {} public void service(ServletRequest req, ServletResponse res) throws IOException,ServletException { res.setContentType("text/html"); PrintWriter out=res.getWriter(); String s="blah"; String s1="blah"; out.println("<html><body>"); if((s.equals(req.getParameter("firstname")))&&(s1.equals(req.getParameter("pwd")))) out.println("passwords match"); else out.println("password and name combo does not match"); out.println("</body></html>"); } public void destroy() {} public ServletConfig getServletConfig() { return null;} public String getServletInfo() { return null;} } this is my java file with the servlet class.its saved with the name MyServlet.java and so is the class file. and here is the xml file: <web-app> <servlet> <servlet-name>demoo</servlet-name> <servlet-class>MyServlet</servlet-class> </servlet> <servlet-mapping> <servlet-name>demoo</servlet-name> <url-pattern>/demo</url-pattern> </servlet-mapping> </web-app> i have made the folder as WEB-INF and then classes... WEB-INF also contains the .xml file but when i try to run the servlet , it says resource not found ps- i am already looking for the servlet with the name :demo localhost:8081/s1/demo* s1 is the war file * a html file in the war file seems to run fine on the server though. *

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  • Spring MVC application - URL gives No file found (404)

    - by user1700184
    I created a Spring-MVC project. web.xml: <servlet> <servlet-name>mvc-dispatcher</servlet-name> <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class> <load-on-startup>1</load-on-startup> </servlet> <servlet-mapping> <servlet-name>mvc-dispatcher</servlet-name> <url-pattern>/soundmails</url-pattern> </servlet-mapping> mvc-dispatcher-servlet.xml <?xml version="1.0"?> <beans xmlns="http://www.springframework.org/schema/beans" xmlns:mvc="http://www.springframework.org/schema/mvc" xmlns:context="http://www.springframework.org/schema/context" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.0.xsd http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-3.0.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.0.xsd"> <mvc:annotation-driven /> <context:component-scan base-package="somepkg.controllers" /> <bean id="multipartResolver" class="org.gmr.web.multipart.GMultipartResolver"> <property name="maxUploadSize" value="1048576" /> </bean> <bean id="placeholderConfig" class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer"> <!-- property name="location"> <value>/WEB-INF/social.properties</value> </property--> </bean> <bean id="jacksonMessageConverter" class="org.springframework.http.converter.json.MappingJacksonHttpMessageConverter"></bean> <bean class="org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter"> <property name="messageConverters"> <list> <ref bean="jacksonMessageConverter"/> </list> </property> </bean> </beans> The controller has this code: ProjectController.java @Controller @RequestMapping("/soundmails") public class FileUploadController { @RequestMapping(value="/test", method=RequestMethod.GET) public @ResponseBody String test() { System.out.println("Hai"); return "Hai"; } } I am using Google App Engine in my local machine to test this. I am getting these in my log: [INFO] Oct 24, 2013 1:54:18 AM com.google.appengine.tools.development.LocalResourceFileServlet doGet [INFO] WARNING: No file found for: /soundmails/test I tried /soundmails/soundmails/test as well. That is also giving the same error. I am using Spring 3.1.0.RELEASE Can someone help me figure out what I am missing - /soundmails/test is giving 404 error. Edit I am unable to enable DEBUG logs for this. For some reason, it is not taking log level configured in logging.properties But I observed something interesting: 1) If I map the request to empty string (value = "") @RequestMapping(value="", method=RequestMethod.GET) public @ResponseBody String test() { System.out.println("Hai"); return "Hai"; } Then, when I try to access 127.0.0.1/soundmails, it works fine (returns string "Hai"). 2) When I have value="/test" @RequestMapping(value="/test", method=RequestMethod.GET) public @ResponseBody String test() { System.out.println("Hai"); return "Hai"; } and I try to access 127.0.0.1/soundmails/test, it is giving HTTP 404. This is weird.

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  • XML and HTML = need help using HTML code

    - by whitstone86
    I'm converting my static HTML site to a dynamic PHP/XML-driven one. This is my current code: <div class="divider"></div> <div class="main" style="width: 552px;"> <div class="time">00:00</div> <div class="show"><h3><b>Radio Show</b></h3> <p>Description</p></div> <div class="footer"></div> </div> and my XML file: <?xml version="1.0"?> <show> <showdesc> <divider1></divider1> <divmain></divmain> <airtime></airtime> <presenter></presenter> <showinfo></showinfo> <divfooter></divfooter> </showdesc> which is the above HTML, that I'm trying to get into the XML file. I don't know how to get it to get the info in, I can display a simple XML page, as suggested here: http://www.kirupa.com/web/xml_php_parse_intermediate.htm but I am trying to in PHP get this to display what's in the XML pages or display this output: "Sorry. No schedule page is available" if the XML is blank, as above. Anyone able to help me fix this? I've tried and tried but it's baffling me... Thanks.

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  • [hibernate - jpa] @OneToOne annotoation problem (i think...)

    - by blow
    Hi all, im new in hibernate and JPA and i have some problems with annotations. My target is to create this table in db (PERSON_TABLE with personal-details) ID ADDRESS NAME SURNAME MUNICIPALITY_ID First of all, i have a MUNICIPALITY table in db containing all municipality of my country. I mapped this table in this ENTITY: @Entity public class Municipality implements Serializable { @Id @GeneratedValue(strategy=GenerationType.IDENTITY) private Long id; private String country; private String province; private String name; @Column(name="cod_catasto") private String codCatastale; private String cap; public Municipality() { } ... Then i make an EMBEDDABLE class Address containing fields that realize a simple address... @Embeddable public class Address implements Serializable { @OneToOne(cascade=CascadeType.ALL) @JoinColumn(name="id_municipality") private Municipality municipality; @Column(length=45) private String address; public Address() { } ... Finally i embedded this class into Person ENTITY @Entity public class Person implements Serializable { @Id @GeneratedValue(strategy=GenerationType.IDENTITY) private Long id; private String name; private String surname; @Embedded private Address address; public Person() { } ... All works good when i have to save a new Person record, in fact hibernate creates a PERSON_TABLE as i want, but if i try to retrieve a Person record i have an exception. HQL is simply "from Person" The excpetion is (Entities is the package containing all classes above-mentioned): org.hibernate.AnnotationException: @OneToOne or @ManyToOne on Entities.Person.address.municipality references an unknown entity: Entities.Municipality Is the @OneToOne annotation the problem? Thanks.

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  • Make dynamic changing background with last FM api

    - by user1854225
    I make some class. This class search some artist and return picture. After than I go to my class with player , where I create an instance of class and call the method and is passed artist. After i go to my tableview with audio So its doesn't work. Background still not changed and my app crashed. I don't know how I can fix that. http://pastebin.com/hUxqAuAh on this link my source code. Error like this ( 2012-11-27 17:00:57.846 VKMusic[4959:c07] * Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: 'data parameter is nil' ) I want make like http://rghost.net/41831486.view on this picture. upd: I found first problem. I must do like this NSString *encodedText = [artist stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding];

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  • Shared static classes between AppDomains in loaded library code

    - by Christian Stewart
    I'm working on a program in which I want to do something similar to what the Photon Server system does: Offer a common "API" class library, which contains common data classes, enumerations, and interfaces for working with the host program. Have client programs (class libraries) reference this DLL and implement interfaces listed within it. Have the "host" application load built DLL client libraries into separate AppDomains and reference the interfaces that lie within to have polymorphic client code from within a dll file. I have something like this worked out: a class library that contains common code, but I've run into the following question How should I handle static classes? Should I add a method that is called by the host program to synchronize data? How do I keep a static class the same between AppDomains? Should I discard these classes in favor of better interfaces between the code levels? And in general, how do I share data between these loaded AppDomains?

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  • asking the container to notify your application whenever a session is about to timeout in Java

    - by user136101
    Which method(s) can be used to ask the container to notify your application whenever a session is about to timeout?(choose all that apply) A. HttpSessionListener.sessionDestroyed -- correct B. HttpSessionBindingListener.valueBound C. HttpSessionBindingListener.valueUnbound -- correct this is kind of round-about but if you have an attribute class this is a way to be informed of a timeout D. HttpSessionBindingEvent.sessionDestroyed -- no such method E. HttpSessionAttributeListener.attributeRemoved -- removing an attribute isn’t tightly associated with a session timeout F. HttpSessionActivationListener.sessionWillPassivate -- session passivation is different than timeout I agree with option A. 1) But C is doubtful How can value unbound be tightly coupled with session timeout.It is just the callback method when an attribute gets removed. 2) and if C is correct, E should also be correct. HttpSessionAttributeListener is just a class that wants to know when any type of attribute has been added, removed, or replaced in a session. It is implemented by any class. HttpSessionBindingListener exists so that the attribute itself can find out when it has been added to or removed from a session and the attribute class must implement this interface to achieve it. Any ideas…

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  • Javascript Popup Windows

    - by sikas
    I have a popup window code that I have used before in login forms. The code displays an in-page popup. This is the code: <?php //In Page Popup Box with Faded Background by Jerry Low @crankberryblog.com //Find other useful scripts at the Crankberry Blog //SETTINGS $fade_amount = 60; //In Percentage $box_width = 400; $box_background = 'FFFFFF'; //Hex Color $box_border_width = 2; $box_border_color = '999999'; //Hex Color $close_box = 1; //Do You Want The Close Bar on Top 1 = Yes, 0 = No $extension = ""; // Other Variables that maybe needed, page number etc. //Begin Popup Box $left_margin = ( 0 - ($box_width*0.5) ); $page_url = basename($_SERVER['PHP_SELF']); if ($extension!="") $page_url .= '?' . $extension; if (isset($_GET['popup'])) { echo '<div class="popup" style="width:'.$box_width.'px; background: #'.$box_background.'; margin-left:'.$left_margin.'px;'; if ($box_border_width>1) echo ' border: '.$box_border_width.'px solid #'.$box_border_color.';'; echo '">'; //Close Box if ($close_box===1) echo '<div class="popup_close"><a href="'.$page_url.'">Close (x)</a></div>'; ?> <!–- START YOUR POPUP CONTENT HERE -–> Popup content goes in here! <!–- END OF YOUR POPUP CONTENT HERE -–> <?php echo '</div> <div class="fade" onclick="location.replace(\''.$page_url.'\');" style="opacity: 0.'.$fade_amount.'; -moz-opacity: 0.'.$fade_amount.';filter: alpha(opacity: '.$fade_amount.');"></div> <div class="fade_container">'; } ?> <a href="?popup=1<?php if ($extension!="") echo '&' . $extension; ?>">Activated Box</a> This code contains a link that reloads the page with parameters/arguments to show the popup. I want to update this code to make the popup appear/hide without This is what I have done so far, yet the popup doesn`t show. Now I want to update the code to work as follows. <link rel=StyleSheet href="css/popup.css" type="text/css" media=screen></link> <?php //In Page Popup Box with Faded Background by Jerry Low @crankberryblog.com //Find other useful scripts at the Crankberry Blog //SETTINGS $fade_amount = 60; //In Percentage $box_width = 400; $box_background = 'FFFFFF'; //Hex Color $box_border_width = 2; $box_border_color = '999999'; //Hex Color $close_box = 1; //Do You Want The Close Bar on Top 1 = Yes, 0 = No $extension = ""; // Other Variables that maybe needed, page number etc. //Begin Popup Box $left_margin = ( 0 - ($box_width*0.5) ); $page_url = basename($_SERVER['PHP_SELF']); if ($extension!="") $page_url .= '?' . $extension; { echo '<div id="pop_up" class="popup" style="visibility:hidden; width:'.$box_width.'px; background: #'.$box_background.'; margin-left:'.$left_margin.'px;'; if ($box_border_width>1) echo ' border: '.$box_border_width.'px solid #'.$box_border_color.';'; echo '">'; //Close Box if ($close_box===1) echo '<div class="popup_close"><a href="#" ChangeStatus()>Close (x)</a></div>'; ?> <!–- START YOUR POPUP CONTENT HERE -–> Popup content goes in here! <!–- END OF YOUR POPUP CONTENT HERE -–> <?php echo '</div> <div id="fade_div" class="fade" onclick="location.replace(\''.$page_url.'\');" style="visibility:hidden; opacity: 0.'.$fade_amount.'; -moz-opacity: 0.'.$fade_amount.';filter: alpha(opacity: '.$fade_amount.');"></div> <div class="fade_container">'; } ?> <a href="#" onClick="ChangeStatus()">Activated Box</a> <script> function ChangeStatus() { div = document.getElementById('fade_div').style.visibility; popup = document.getElementById('pop_up').style.visibility; alert(popup); if(popup == "hidden") { div = "visible"; popup = "visible"; } else { div = "hidden"; popup = "hidden"; } } </script> ignore the CSS files as it is working fine. I guess the problem is with the JS. Can anyone help me?

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  • Why is String final in Java?

    - by Alex
    From when I learned that the class java.lang.String is declared as final in Java, I was wondering why is that? I didn't find any answer back then, but this post: How to create a replica of String class in Java? reminded me of my query. Sure, String provides all the functionality I ever needed, and never thought of any operation that would require an extension of class String, but still you'll never know what someone might need! So, does anyone know what was the intent of the designers when they decided to make it final? See also: Why is String a sealed class in C#?

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  • Using JQuery to get text of a div that's a child of a header to replace a different header

    - by Stevie Jenowski
    Hello all, I'm trying to get the text contents of a .div('.child#') child of my event.target('h6.class'), and replace my other headers('h1.replacHeader#') using this script below... $('h6.class').click(function(event) { var $target = $(event.target); $('.replaceHeader1').replaceWith("<h1 class='replaceHeader1'>" + $target.children(".child1").text() + "</h1>"); $('.replaceHeader2').replaceWith("<h1 class='replaceHeader2'>" + $target.children(".child2").text() + "</h1>"); }); }); I've noticed that .text() apparently doesn't apply to an event.target... So how could I go about achieving this?

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  • Access to nested methods when DSL

    - by Vyacheslav Loginov
    class Warcraft def initialize &block instance_eval &block end def method_missing name, *args, &block instance_variable_set("@#{name}".to_sym, args[0]) self.class.send(:define_method, name, proc { instance_variable_get("@#{name}")}) end def game &block @game = Game.new &block end class Game def initialize &block instance_eval &block end def method_missing name, *args, &block instance_variable_set("@#{name}".to_sym, args[0]) self.class.send(:define_method, name, proc { instance_variable_get("@#{name}")}) end end end warcraft = Warcraft.new do name "Warcraft III" battle_net :iccup game do side :sentinels hero "Furion" rune_appear_every 2 end end puts warcraft.inspect # => #<Warcraft:0x00000000be3e80 @name="Warcraft III", @battle_net=:iccup, @game=#<Warcraft::Game:0x000000009c6c38 @side=:sentinels, @hero="Furion", @rune_appear_every=2>> How to access nested methods? puts warcraft.battle_net # => iccup puts warcraft.side #=> #<Proc:[email protected]:9 (lambda)> puts warcraft.game #=> dsl.rb:18:in `instance_eval': block not supplied (ArgumentError) puts warcraft.game.side #=> dsl.rb:18:in `instance_eval': block not supplied (ArgumentError)

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  • Android: Help with tabs view

    - by James
    So I'm trying to build a tabs view for an Android app, and for some reason I get a force close every time I try to run it on the emulator. When I run the examples, everything shows fine, so I went as far as to just about copy most of the layout from the examples(a mix of Tabs2.java and Tabs3.java), but for some reason it still wont run, any ideas? Here is my code(List1.class is a copy from the examples for testing purposes). It all compiles fine, just gets a force close the second it starts: package com.jvavrik.gcm; import android.app.TabActivity; import android.content.Intent; import android.os.Bundle; import android.view.View; import android.widget.TabHost; import android.widget.TextView; public class GCM extends TabActivity { /** Called when the activity is first created. */ @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); final TabHost tabHost = getTabHost(); tabHost.addTab(tabHost.newTabSpec("tab1") .setIndicator("g", getResources().getDrawable(R.drawable.star_big_on)) .setContent(new Intent(this, List1.class))); tabHost.addTab(tabHost.newTabSpec("tab2") .setIndicator("C") .setContent(new Intent(this, List1.class)) ); tabHost.addTab(tabHost.newTabSpec("tab3") .setIndicator("S") .setContent(new Intent(this, List1.class)) ); tabHost.addTab(tabHost.newTabSpec("tab4") .setIndicator("A") .setContent(new Intent(this, List1.class)) ); } }

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  • Searching in an Arraylist

    - by Puchatek
    Currently I have two classes. A Classroom class and a School class. I would like to write a method in the School class public void showClassRoomDetails which would find the classroom details by only using the teacherName. e.g. teacherName = Daniel className = Science teacherName = Bob className = Maths so when I input Bob, it would print out Bob and Maths many, thanks public class Classroom { private String classRoomName; private String teacherName; public void setClassRoomName(String newClassRoomName) { classRoomName = newClassRoomName; } public String returnClassRoomName() { return classRoomName; } public void setTeacherName(String newTeacherName) { teacherName = newTeacherName; } public String returnTeacherName() { return teacherName; } } import java.util.ArrayList; public class School { private ArrayList<Classroom> classrooms; private String classRoomName; private String teacherName; public School() { classrooms = new ArrayList<Classroom>(); } public void addClassRoom(Classroom newClassRoom, String theClassRoomName) { classrooms.add(newClassRoom); classRoomName = theClassRoomName; } public void addTeacherToClassRoom(int classroomId, String TeacherName) { if (classroomId < classrooms.size() ) { classrooms.get(classroomId).setTeacherName(TeacherName); } } public void showClassRoomDetails { //loop System.out.println(returnClassRoomName); System.out.println(returnTeacherName); } }

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  • Set two classes from array

    - by Thomas
    I want to change the classes on every third output from a query: <?php $style_classes = array('box','box','box no_right_margin'); $style_index = 0; ?> I set this on the div: <div <?php $k = $style_index%4; echo "class=$style_classes[$k]"; $style_index++; ?>> On the third div I want the class to look like this: <div class="box no_right_margin"> Right now it looks like: <div class="box" no_right_margin>

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  • C# - Dictionary with generic array as value

    - by alhazen
    In my class, I want to use a dictionary with the following declaration: Dictionary<string, T[]> Since the operations of my class are exactly the same for all generic types, I do not wish to define my class as generic (which means I would have to create a separate instance of my class for each generic type I insert into the dictionary ?). One alternative I'm attempting is to use Dictionary<string, object> instead: public void Add<T>(string str, T value) { // Assuming key already exists var array = (T[]) dictionary[str]; array[0] = value; } However, when iterating over the dictionary, how do I cast the object value back to an array ? foreach(string strKey in dictionary.Keys) { var array = (T[]) dictionary[strKey]; // How to cast here ? //... array[0] = default(T); } Thanks.

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  • Can i have One form tag inside Another in ASP.net MVC RC2

    - by coolguy97
    Hi all, I am currently Developing application in MVC2 I have want to used mutiple form tags in My application In My View I have Created a table which has Delete option which i am doing through Post for Individual Delete so i have Create form tag for each button. i also want user to give option to delete mutiple records so i am providing them with checkboxes.This form should have all the values of checkboxes and all. so form gets render Like this for Each delete button <form action="/Home/MutipleDelete" method="post"> <input class="button " name="Compare" type="submit" value="Mutipledelete" style="margin-right:132px;" /> <input id="chk1" name="chk1" type="checkbox" value="true" /> <form action="/Home/Delete" method="post"> <input type="submit" class="submitLink" value="member1" /> <input type="hidden" name="hfmem1" id="hfmem1" value="1" /> </form> <input id="chk2" name="chk2" type="checkbox" value="true" /> <form action="/Home/Delete" method="post"> <input type="submit" class="submitLink" value="member2" /> <input type="hidden" name="hfmem2" id="hfmem2" value="2" /> </form> </form> The following is not working . but IF i write my code that form renders in this way <form action="/Home/MutipleDelete" method="post"> <input class="button " name="Compare" type="submit" value="Mutipledelete" style="margin-right:132px;" /> </form> <input id="chk1" name="chk1" type="checkbox" value="true" /> <form action="/Home/Delete" method="post"> <input type="submit" class="submitLink" value="member1" /> <input type="hidden" name="hfmem1" id="hfmem1" value="1" /> </form> <input id="chk2" name="chk2" type="checkbox" value="true" /> <form action="/Home/Delete" method="post"> <input type="submit" class="submitLink" value="member2" /> <input type="hidden" name="hfmem2" id="hfmem2" value="2" /> </form> it is working in Mozilla but not in IE.I have debug and Checked values in formcollection In contoller.What to do.?

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  • Attributes don't inherit?

    - by Stebi
    I played with attributes and assumed that they are inherited but it doesn't seem so: type [MyAttribute] TClass1 = class end; TClass2 = class(TClass1) end; TClass2 doesn't have the Attribute "MyAttribute" although it inherits from Class1. Is there any possibility to make an attribute inheritable? Or do I have to go up the class hierarchy and search for attributes?

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  • Need help with regex blank space

    - by Gandalf StormCrow
    How to replace from regex many empty/blank characters with none? ex: <div class="someClass" id="someID"> ...bunch of elements/content <input type="button" name="myInput" id="inputID" title="myInput Title" /> ...bunch of elements/content </div> when replaced : <a class="myselector" rel="I need this value"></a><div class="someClass" id="someID">...bunch of elements/content<input type="button" name="myInput" id="inputID" title="myInput Title" />...bunch of elements/content</div>

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  • I want to set the AutoCompleteMode property in ApplyCellStyleToEditingControl subroutine

    - by Ranjan Gupta
    Hi, I am creating a DataGridView Column. and it is working well. now I want to customise this column with AutoCompleteMode, and AutoCompleteSource properties to show the customised data. I made the properties for this columns, and these are also working well. but these properties are not working in the "ApplyCellStyleToEditingControl" subroutine. Please help me to use these column properties in the "ApplyCellStyleToEditingControl" subroutine. Public Class DataGridViewDataValueColumn Inherits DataGridViewColumn Dim m_AutoCompleteMode As AutoCompleteMode, _ m_AutoCompleteSource As AutoCompleteSource, _ m_AutoCompleteStringCollection As AutoCompleteStringCollection Public Sub New() MyBase.New(New DataValueCell()) End Sub Public Overrides Property CellTemplate() As DataGridViewCell Get Return MyBase.CellTemplate End Get Set(ByVal value As DataGridViewCell) ' Ensure that the cell used for the template is a DataValueCell. If (value IsNot Nothing) AndAlso _ Not value.GetType().IsAssignableFrom(GetType(DataValueCell)) _ Then Throw New InvalidCastException("Must be a DataValueCell") End If MyBase.CellTemplate = value End Set End Property Region "User Defined Properties" '&*--------------------------------------*&' <Description("Indicates the text completion behaviour of the combo box."), DefaultValue(AutoCompleteMode.None)> _ Public Property AutoCompleteMode() As AutoCompleteMode Get Return m_AutoCompleteMode End Get Set(ByVal value As AutoCompleteMode) m_AutoCompleteMode = value End Set End Property <Description("The source of complete strings used to automatic completion."), DefaultValue(AutoCompleteSource.None)> _ Public Property AutoCompleteSource() As AutoCompleteSource Get Return m_AutoCompleteSource End Get Set(ByVal value As AutoCompleteSource) m_AutoCompleteSource = value End Set End Property <Description("The autocomplete custom source.")> _ Public Property AutoCompleteCustomSource() As AutoCompleteStringCollection Get Return m_AutoCompleteStringCollection End Get Set(ByVal value As AutoCompleteStringCollection) m_AutoCompleteStringCollection = value End Set End Property End Region End Class '&*--------------------------------------*&' Class DataValueCell Inherits DataGridViewTextBoxCell Public Sub New() ' End Sub Public Overrides ReadOnly Property EditType As Type Get Return GetType(PCLDataGridViewTextBoxEditingControl) End Get End Property End Class '&*--------------------------------------*&' '&* Edit DataGridView Columns *&' '&*--------------------------------------*&' Class PCLDataGridViewTextBoxEditingControl Inherits DataGridViewTextBoxEditingControl Public Overrides Function EditingControlWantsInputKey(ByVal keyData As Keys, ByVal dataGridViewWantsInputKey As Boolean) As Boolean Select Case ((keyData And Keys.KeyCode)) Case Keys.Prior, Keys.Next, Keys.End, Keys.Home, Keys.Left, Keys.Up, Keys.Right, Keys.Down, Keys.Delete Return True End Select Return MyBase.EditingControlWantsInputKey(keyData, dataGridViewWantsInputKey) End Function Public Overrides Sub ApplyCellStyleToEditingControl(ByVal dataGridViewCellStyle As DataGridViewCellStyle) With DirectCast(Me, TextBox) '.AutoCompleteMode = DataGridViewDataValueColumn.AutoCompleteMode_Value '.AutoCompleteSource = DataGridViewDataValueColumn.AutoCompleteSource_Value '.AutoCompleteCustomSource = MyBase.AutoCompleteCustomSource End With End Sub End Class

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  • prototype findElements querySelectorAll error

    - by JD
    i'm call the "down" function but am getting an invalid argument using 1.6.1_rc2 here's the html snippet: <TR id=000000214A class="activeRow searchResultsDisplayOver" conceptID="0000001KIU"> <TD> <DIV class=gridRowWrapper> <SPAN class=SynDesc>Asymmetric breasts</SPAN> <DIV class=buttonWrapper> <SPAN class=btnAddFav title="Add to Favorites">&nbsp;</SPAN> </DIV> </DIV> </TD> </TR> here's the code: var description = row.down('span.SynDesc').innerHTML; row is a dom reference to the element. prototype is appending a # then the id of the element: findElements: function(root) { root = root || document; var e = this.expression, results; switch (this.mode) { case 'selectorsAPI': if (root !== document) { var oldId = root.id, id = $(root).identify(); id = id.replace(/[\.:]/g, "\\$0"); e = "#" + id + " " + e; } results = $A(root.querySelectorAll(e)).map(Element.extend); <-- e = "#000000214A span.SynDesc" root.id = oldId; return results; case 'xpath': return document._getElementsByXPath(this.xpath, root); default: return this.matcher(root); } i get an "invalid argument" error? if i put a breakpoint before the offending line and change e to be equal to "span.SynDesc" it works fine. help. :)

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  • Strategies for Mapping Views in NHibernate

    - by Nathan Fisher
    It seems that NHibernate needs to have an id tag specified as part of the mapping. This presents a problem for views as most of the time (in my experience) a view will not have an Id. I have mapped views before in nhibernate, but they way I did it seemed to be be messy to me. Here is a contrived example of how I am doing it currently. Mapping <class name="ProductView" table="viewProduct" mutable="false" > <id name="Id" type="Guid"> <generator class="guid.comb" /> </id> <property name="Name" /> <!-- more properties --> </class> View SQL Select NewID() as Id, ProductName as Name, --More columns From Product Class public class ProductView { public virtual Id {get; set;} public virtual Name {get; set;} } I don't need an Id for the product or in the case of some views I may not have an id for the view, depending on if I have control over the View Is there a better way of mapping views to objects in nhibernate?

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  • How can I use BeanUtils copyProperties to copy from boolean to Boolean?

    - by carrier
    BeanUtils copyProperties, out of the box, doesn't seem to handle copying from Boolean object properties to boolean primitive properties. I figured I could create and register a converter to handle this, but that just didn't seem to work. So, how can I use BeanUtils to copy the properties from class Source to class Destination where: public class Destination { private boolean property; public boolean isProperty() { return property; } public void setProperty(boolean property) { this.property = property; } } public class Source{ private Boolean property; public Boolean getProperty() { return property; } public void setProperty(Boolean property) { this.property = property; } }

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  • How to handle failure to release a resource which is contained in a smart pointer?

    - by cj
    How should an error during resource deallocation be handled, when the object representing the resource is contained in a shared pointer? Smart pointers are a useful tool to manage resources safely. Examples of such resources are memory, disk files, database connections, or network connections. // open a connection to the local HTTP port boost::shared_ptr<Socket> socket = Socket::connect("localhost:80"); In a typical scenario, the class encapsulating the resource should be noncopyable and polymorphic. A good way to support this is to provide a factory method returning a shared pointer, and declare all constructors non-public. The shared pointers can now be copied from and assigned to freely. The object is automatically destroyed when no reference to it remains, and the destructor then releases the resource. /** A TCP/IP connection. */ class Socket { public: static boost::shared_ptr<Socket> connect(const std::string& address); virtual ~Socket(); protected: Socket(const std::string& address); private: // not implemented Socket(const Socket&); Socket& operator=(const Socket&); }; But there is a problem with this approach. The destructor must not throw, so a failure to release the resource will remain undetected. A common way out of this problem is to add a public method to release the resource. class Socket { public: virtual void close(); // may throw // ... }; Unfortunately, this approach introduces another problem: Our objects may now contain resources which have already been released. This complicates the implementation of the resource class. Even worse, it makes it possible for clients of the class to use it incorrectly. The following example may seem far-fetched, but it is a common pitfall in multi-threaded code. socket->close(); // ... size_t nread = socket->read(&buffer[0], buffer.size()); // wrong use! Either we ensure that the resource is not released before the object is destroyed, thereby losing any way to deal with a failed resource deallocation. Or we provide a way to release the resource explicitly during the object's lifetime, thereby making it possible to use the resource class incorrectly. There is a way out of this dilemma. But the solution involves using a modified shared pointer class. These modifications are likely to be controversial. Typical shared pointer implementations, such as boost::shared_ptr, require that no exception be thrown when their object's destructor is called. Generally, no destructor should ever throw, so this is a reasonable requirement. These implementations also allow a custom deleter function to be specified, which is called in lieu of the destructor when no reference to the object remains. The no-throw requirement is extended to this custom deleter function. The rationale for this requirement is clear: The shared pointer's destructor must not throw. If the deleter function does not throw, nor will the shared pointer's destructor. However, the same holds for other member functions of the shared pointer which lead to resource deallocation, e.g. reset(): If resource deallocation fails, no exception can be thrown. The solution proposed here is to allow custom deleter functions to throw. This means that the modified shared pointer's destructor must catch exceptions thrown by the deleter function. On the other hand, member functions other than the destructor, e.g. reset(), shall not catch exceptions of the deleter function (and their implementation becomes somewhat more complicated). Here is the original example, using a throwing deleter function: /** A TCP/IP connection. */ class Socket { public: static SharedPtr<Socket> connect(const std::string& address); protected: Socket(const std::string& address); virtual Socket() { } private: struct Deleter; // not implemented Socket(const Socket&); Socket& operator=(const Socket&); }; struct Socket::Deleter { void operator()(Socket* socket) { // Close the connection. If an error occurs, delete the socket // and throw an exception. delete socket; } }; SharedPtr<Socket> Socket::connect(const std::string& address) { return SharedPtr<Socket>(new Socket(address), Deleter()); } We can now use reset() to free the resource explicitly. If there is still a reference to the resource in another thread or another part of the program, calling reset() will only decrement the reference count. If this is the last reference to the resource, the resource is released. If resource deallocation fails, an exception is thrown. SharedPtr<Socket> socket = Socket::connect("localhost:80"); // ... socket.reset();

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  • Scala: Correcting type inference of representation type over if statement

    - by drhagen
    This is a follow-up to two questions on representation types, which are type parameters of a trait designed to represent the type underlying a bounded type member (or something like that). I've had success creating instances of classes, e.g ConcreteGarage, that have instances cars of bounded type members CarType. trait Garage { type CarType <: Car[CarType] def cars: Seq[CarType] def copy(cars: Seq[CarType]): Garage def refuel(car: CarType, fuel: CarType#FuelType): Garage = copy( cars.map { case `car` => car.refuel(fuel) case other => other }) } class ConcreteGarage[C <: Car[C]](val cars: Seq[C]) extends Garage { type CarType = C def copy(cars: Seq[C]) = new ConcreteGarage(cars) } trait Car[C <: Car[C]] { type FuelType <: Fuel def fuel: FuelType def copy(fuel: C#FuelType): C def refuel(fuel: C#FuelType): C = copy(fuel) } class Ferrari(val fuel: Benzin) extends Car[Ferrari] { type FuelType = Benzin def copy(fuel: Benzin) = new Ferrari(fuel) } class Mustang(val fuel: Benzin) extends Car[Mustang] { type FuelType = Benzin def copy(fuel: Benzin) = new Mustang(fuel) } trait Fuel case class Benzin() extends Fuel I can easily create instances of Cars like Ferraris and Mustangs and put them into a ConcreteGarage, as long as it's simple: val newFerrari = new Ferrari(Benzin()) val newMustang = new Mustang(Benzin()) val ferrariGarage = new ConcreteGarage(Seq(newFerrari)) val mustangGarage = new ConcreteGarage(Seq(newMustang)) However, if I merely return one or the other, based on a flag, and try to put the result into a garage, it fails: val likesFord = true val new_car = if (likesFord) newFerrari else newMustang val switchedGarage = new ConcreteGarage(Seq(new_car)) // Fails here The switch alone works fine, it is the call to ConcreteGarage constructor that fails with the rather mystical error: error: inferred type arguments [this.Car[_ >: this.Ferrari with this.Mustang <: this.Car[_ >: this.Ferrari with this.Mustang <: ScalaObject]{def fuel: this.Benzin; type FuelType<: this.Benzin}]{def fuel: this.Benzin; type FuelType<: this.Benzin}] do not conform to class ConcreteGarage's type parameter bounds [C <: this.Car[C]] val switchedGarage = new ConcreteGarage(Seq(new_car)) // Fails here ^ I have tried putting those magic [C <: Car[C]] representation type parameters everywhere, but without success in finding the magic spot.

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