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• Hibernate Criteria API - adding a criterion: string should be in collection

  - by Kim L

  I have to following entity object @Entity public class Foobar { ... private List<String> uuids; ... } Now I'd like to make a criteria query which would fetch all Foobar pojos whose uuids list contains the string "abc123", I'm just not sure how to make the appropriate criterion.

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• How can I pass checkbox onclick event to parent onclick ?

  - by Kim

  I a with an onclick event and , and inside it. When I click on the checkbox then the div-onclick event doesnt fire - I would like it to fire without having to dublicate the onclick onto the checkbox. <div id="id-tag" onclick="do()"> <span>text</span> <img src="pic.jpg" /> <input type="checkbox" name="mycheck" /> </div> I know the div-idtag but ideally would like to avoid specifying it inside the checkbox. Using another function call on the checkbox onclick to call the parent is NOT what I am looking for, like onclick="run_parent_onclick()" but this is okay (untested) onclick="this.parent.click()"

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• Efficient heaps in purely functional languages

  - by Kim

  As an exercise in Haskell, I'm trying to implement heapsort. The heap is usually implemented as an array in imperative languages, but this would be hugely inefficient in purely functional languages. So I've looked at binary heaps, but everything I found so far describes them from an imperative viewpoint and the algorithms presented are hard to translate to a functional setting. How to efficiently implement a heap in a purely functional language such as Haskell? Edit: By efficient I mean it should still be in O(n*log n), but it doesn't have to beat a C program. Also, I'd like to use purely functional programming. What else would be the point of doing it in Haskell?

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• Convert svn repository to hg - authentication fails

  - by Kim L

  I'm trying to convert an existing svn repository to a mercurial repo with the following command hg convert <repository> <folder> My problem is that the svn repository's authentication is done with p12 certificates. I'm a bit lost on how to configure the certificate for the hg client so that I can pull the svn repo and convert it. Currently, if I try to run the above command, I get initializing destination hg-client repository abort: error: _ssl.c:480: error:14094410:SSL routines:SSL3_READ_BYTES:sslv3 alert handshake failure In other words, it cannot find the required certificate. The question is, how do I configure my hg client so that it can use my certificate? I'm using the command line hg client on linux.

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• SQL to get distinct statistics

  - by Sung Kim

  Hi, Suppose I have data in table X: id assign team ---------------------- 1 hunkim A 1 ygg A 2 hun B 2 gw B 2 david B 3 haha A I want to know how many assigns for each id. I can get using: select id, count(distinct assign) from X group by id order by count(distinct assign)desc; It will give me something: 1 2 2 3 3 1 My question is how can I get the average of the all assign counts? In addition, now I want to know the everage per team. So I want to get something like: team assign_avg ------------------- A 1.5 B 3 Thanks in advance!

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• jQuery Drag and Drop Checking Question

  - by Kim

  i am new to using jQuery and I just want to know how I can check whether a draggable object has been removed from the droppable object. Example, i have a dog and I dragged it to a doghouse which has a lightbulb that will light up indicating that the dog is there. When i drag the dog out of the doghouse, the lightbulb should go off again indicating the dog's absence. Help me please coz I really don't have any idea how to do this. Thanks in advance. :)

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• appending <a href> to keywords in rails

  - by kim

  Basically, there are some keywords that i want to pick out and assign a link to them dynamically. How should i go about in doing this? Let's say i have something like this; <p>ruby, rails, php, python, django and sinatra</p> and i would like to assign links to keywords like ruby and python, so the end results should look like this; <p><a href="http://www.ruby-lang.org">ruby</a>, rails, php, <a href="http://www.python.org">python</a>, django and sinatra</p> Any help or suggestion would be much appreciated!

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• xerces serialization in Java 6

  - by Jim Garrison

  In Java 6, the entire xerces XML parser/serializer implementation is now in the Java runtime (rt.jar). The packages have been moved under the com.sun.* namespace, which places them off-limits for explicit reference within client code. This is not a problem when using the parser, which is instantiated via javax API-defined factories. However, our code also uses xerces serialization (org.apache.xml.serialize.* ). AFAICT, there are no javax.xml API-defined factories for creating instances of Serializer and OutputFormat. This seems to imply that the only way to get one is to explicitly call the com.sun.org.apache.xml.serialize.* APIs. I've found the serialization classes in javax.xml.stream, but they don't seem to provide any output-formatting control like the xerces OutputFormat class. Question: Is there a way to access the xerces serialization functionality (which is in rt.jar) via a javax standard API, without including xerces.jar and also without explicitly instantiating com.sun.* classes? If not, is there an javax API-compliant way to achieve the same effect?

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• Jquery: highlight element on mouseover without hanging or lagging.

  - by Kim Jong Woo

  When I had elements highlighted upon mouseover, it would work fine with sites with minimal number of elements. But when the number of elements on a page was very big, the effect would "lag" so to speak. It would take a while for each elements to highlight upon mouseover event. Has someone solved this problem successfully ? I've seen a prototype.js example that does not lag.

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• default maven compiler setting

  - by Jeeyoung Kim

  Hello Maven gurus, Right now, I'm writing a small java application by my own, with few maven pom.xml files. I want to make all my maven packages to compile with jdk 1.6, and I can't find a good way to do it without manually setting it on every single POMs - I'm sick of copy-and-pasting <groupId>org.apache.maven.plugins</groupId> <artifactId>maven-compiler-plugin</artifactId> <configuration> <source>1.6</source> <target>1.6</target> </configuration> in every single pom.xml file I generate. Is there a simpler way to resolve this issue?

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• How to call regular JS function with params within jQuery ?

  - by Kim

  Is there another way to run a regular JS function with params passed than what I use below ? It seems redundant use a on-the-way function to do this. function regularJSfunc(param1,param2) { // do stuff } $(document).ready(function(){ $('#myId').change(function(){ regularJSfunc('data1','data2'); }); } Using a .bind event seems much better, however I am not sure how to access the params. Note: Example below doesnt work. $(document).ready(function(){ $('#myId').bind('change',{'data1','data2'},regularJSfunc); }

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• Class 'org.springframework.http.converter.ResourceHttpMessageConverter' not found - how to correct?

  - by Ash Kim

  Eclipse STS is reporting I have problem with my spring project. It's a fresh project generated from the Spring Web MVC Project Template (File-New-Spring Template Project-Spring Web MVC ). When I create the project it has no problems - it's only once I modify the pom (by adding the hibernate dependencies) that STS then picks up the spring problem. Strangely if I revert the pom the problem remains. Also I can run the project on a spring tc server and all works correctly. Any ideas how I can satisfy this problem report? "Class 'org.springframework.http.converter.ResourceHttpMessageConverter' not found" mvc-config.xml /src/main/webapp/WEB-INF/spring line 9 Spring Beans Problem mvc-config.xml: <?xml version="1.0" encoding="UTF-8"?> <beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:mvc="http://www.springframework.org/schema/mvc" 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"> <mvc:annotation-driven /> <!-- <= PROBLEMATIC LINE REPORTED BY STS --> <!-- Resolves view names to protected .jsp resources within the /WEB-INF/views directory --> <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver"> <property name="prefix" value="/WEB-INF/views/"/> <property name="suffix" value=".jsp"/> </bean> </beans>

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• how to turn off verbose reporting by htmlunit ?

  - by Kim Jong Woo

  htmlunit reports everything from css, to parsing errors on a page. how to silence this ??

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• xsd:datetime and XmlGregorianCalendar causes NullPointerException

  - by Draemon

  The following works: public Date getDate() { return date; } and produces something like: <date>2010-03-23T17:43:50.879Z</date> And I can use an XmlGregorianCalendar to return xsd:date or xsd:time types fine: @XmlSchemaType(name="date") public XmlGregorianCalendar getDate() { return date; } which produces something like: <date>2010-03-23</date> But trying to return xsd:datetime like so: @XmlSchemaType(name="datetime") public XmlGregorianCalendar getDate() { return date; } Causes this stack trace: java.lang.NullPointerException at com.sun.xml.bind.v2.model.impl.RuntimeBuiltinLeafInfoImpl.checkXmlGregorianCalendarFieldRef(RuntimeBuiltinLeafInfoImpl.java:864) at com.sun.xml.bind.v2.model.impl.RuntimeBuiltinLeafInfoImpl.access$200(RuntimeBuiltinLeafInfoImpl.java:111) at com.sun.xml.bind.v2.model.impl.RuntimeBuiltinLeafInfoImpl$13.print(RuntimeBuiltinLeafInfoImpl.java:536) ...snip... at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:852) at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:588) at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489) at java.lang.Thread.run(Thread.java:619) Which doesn't mention my code at all. I'm using tomcat 6.0.24, java 1.6.0_16-b01

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• Servlet dispatcher is currently unavailable

  - by theJava

  <?xml version="1.0" encoding="UTF-8"?> <beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:p="http://www.springframework.org/schema/p" xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd"> <bean id="viewResolver" class="org.springframework.web.servlet.view.InternalResourceViewResolver" p:prefix="/WEB-INF/jsp/" p:suffix=".jsp" /> <bean id="myDataSource" class="org.apache.commons.dbcp.BasicDataSource" destroy-method="close"> <property name="driverClassName" value="com.mysql.jdbc.Driver"/> <property name="url" value="jdbc:mysql://127.0.0.1:3306/spring"/> <property name="username" value="monty"/> <property name="password" value="indian"/> </bean> <bean id="mySessionFactory" class="org.springframework.orm.hibernate3.annotation.AnnotationSessionFactoryBean"> <property name="dataSource" ref="myDataSource" /> <property name="annotatedClasses"> <list> <value>uk.co.vinoth.spring.domain.User</value> </list> </property> <property name="hibernateProperties"> <props> <prop key="hibernate.dialect">org.hibernate.dialect.MySQLDialect</prop> <prop key="hibernate.show_sql">true</prop> <prop key="hibernate.hbm2ddl.auto">create</prop> </props> </property> </bean> <bean id="myUserDAO" class="uk.co.vinoth.spring.dao.UserDAOImpl"> <property name="sessionFactory" ref="mySessionFactory"/> </bean> <bean name="/user/*.htm" class="uk.co.vinoth.spring.web.UserController" > <property name="userDAO" ref="myUserDAO" /> </bean> </beans> The above is my bean configuration, why do i get error when i run my application. My logs folder is empty... org.apache.catalina.loader.StandardClassLoader@122c9df org.springframework.web.servlet.DispatcherServlet java.lang.ClassNotFoundException: org.springframework.web.servlet.DispatcherServlet at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1436) at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1282) at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1068) at org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:966) at org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.java:3996) at org.apache.catalina.core.StandardContext.start(StandardContext.java:4266) at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1014) at org.apache.catalina.core.StandardHost.start(StandardHost.java:736) at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1014) at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:443) at org.apache.catalina.core.StandardService.start(StandardService.java:448) at org.apache.catalina.core.StandardServer.start(StandardServer.java:700) at org.apache.catalina.startup.Catalina.start(Catalina.java:552) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:295) at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:433) Dec 22, 2010 3:44:48 PM org.apache.catalina.core.StandardContext loadOnStartup SEVERE: Servlet /interMedix threw load() exception java.lang.ClassNotFoundException: org.springframework.web.servlet.DispatcherServlet at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1436) at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1282) at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1068) at org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:966) at org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.java:3996) at org.apache.catalina.core.StandardContext.start(StandardContext.java:4266) at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1014) at org.apache.catalina.core.StandardHost.start(StandardHost.java:736) at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1014) at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:443) at org.apache.catalina.core.StandardService.start(StandardService.java:448) at org.apache.catalina.core.StandardServer.start(StandardServer.java:700) at org.apache.catalina.startup.Catalina.start(Catalina.java:552) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:295) at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:433) Dec 22, 2010 3:44:48 PM org.apache.coyote.http11.Http11BaseProtocol start INFO: Starting Coyote HTTP/1.1 on http-8181 Dec 22, 2010 3:44:48 PM org.apache.jk.common.ChannelSocket init INFO: JK: ajp13 listening on /0.0.0.0:8009 Dec 22, 2010 3:44:48 PM org.apache.jk.server.JkMain start INFO: Jk running ID=0 time=0/27 config=null Dec 22, 2010 3:44:48 PM org.apache.catalina.storeconfig.StoreLoader load INFO: Find registry server-registry.xml at classpath resource Dec 22, 2010 3:44:49 PM org.apache.catalina.startup.Catalina start INFO: Server startup in 558 ms Dec 22, 2010 3:44:50 PM org.apache.catalina.core.StandardWrapperValve invoke INFO: Servlet dispatcher is currently unavailable Dec 22, 2010 3:50:18 PM org.apache.catalina.core.StandardWrapperValve invoke INFO: Servlet dispatcher is currently unavailable But i have added spring-web-mvc to my class path which does contain this class file.

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• How to use Event notification in Solaris 10 when a directory change

  - by user357594

  I read the following page: Robert Benson's article on ECF developers.sun.com/solaris/articles/event_completion.html I also read the Solaris man pages but they are not very clear of how to use event notifications for directories. For example, If I add a new file into a directory, I would like to get some notification of that event. I found this link: blogs.sun.com/praks/entry/file_events_notification Which has what I need but it is for Solaris 11 ( which is not in the market yet). Based on the link below, I don't want to use poll because I want to get the performance advantage of events. blogs.sun.com/dap/entry/event_ports_and_performance Any suggestion is highly appreciated! -Armando.

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• launching java test bycommand line

  - by lamisse

  I created runner.bat to launch one java test it contains : path to java,classpath org.junit.runner.JUnitCore package.class when I launch it : FAILURES Tests run: 1, Failures: 1 Exception in thread "Thread-0" java.lang.IllegalStateException: Shutdown in progress at java.lang.ApplicationShutdownHooks.add(Unknown Source) at java.lang.Runtime.addShutdownHook(Unknown Source) at com.sun.imageio.stream.StreamCloser$2.run(Unknown Source) at java.security.AccessController.doPrivileged(Native Method) at com.sun.imageio.stream.StreamCloser.addToQueue(Unknown Source) at javax.imageio.stream.FileCacheImageInputStream.<init>(Unknown Source) at com.sun.imageio.spi.InputStreamImageInputStreamSpi.createInputStreamInstance(Unknown Source) at javax.imageio.ImageIO.createImageInputStream(Unknown Source) at javax.imageio.ImageIO.read(Unknown Source) at com.polyspace.util.guicomponent.CompositePanel.setBufferedImage(Unknown Source) at com.polyspace.util.guicomponent.CompositePanel.<init>(Unknown Source)

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• Using Google Common Collection in GWT

  - by Jeeyoung Kim

  This is a simple problem, but I'm having problems with it... I'm trying to use Google common collection's Objects.equal() method in a GWT client code, but I'm keep getting the error "20:12:10.001 [ERROR] [gwt_regex] Line 39: No source code is available for type com.google.common.base.Objects; did you forget to inherit a required module?" Tried to Google for the answer, but couldn't find any answer regarding this - everyone just said "Google collection should work off the box with GWT".

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• java : How can I cast Date from "Thu May 01 00:00:00 WEST 2014 " to "2014-01-05 00:00:00.0"

  - by lilyana

  How can I want to cast Date from "Thu May 01 00:00:00 WEST 2014 " to "2014-01-05 00:00:00.0" I try with this code : SimpleDateFormat toFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss.S"); String dateStr = getDtdebut().toString(); Date date = new Date(); try { date = toFormat.parse(dateStr); } catch (ParseException e) { // TODO Auto-generated catch block e.printStackTrace(); } but i have this error : java.text.ParseException: Unparseable date: "Thu May 01 00:00:00 WEST 2014" at java.text.DateFormat.parse(Unknown Source) at ensa.pfe.action.GestionOperations.filtre(GestionOperations.java:386) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at com.opensymphony.xwork2.DefaultActionInvocation.invokeAction(DefaultActionInvocation.java:440) at com.opensymphony.xwork2.DefaultActionInvocation.invokeActionOnly(DefaultActionInvocation.java:279) at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:242) ..........

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• java.io.FileNotFoundException for valid URL

  - by Alexei

  Hello. I use library rome.dev.java.net to fetch RSS. Code is URL feedUrl = new URL("http://planet.rubyonrails.ru/xml/rss"); SyndFeedInput input = new SyndFeedInput(); SyndFeed feed = input.build(new XmlReader(feedUrl)); You can check that http://planet.rubyonrails.ru/xml/rss is valid URL and the page is shown in browser. But I get exception from my application java.io.FileNotFoundException: http://planet.rubyonrails.ru/xml/rss at sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1311) at com.sun.syndication.io.XmlReader.<init>(XmlReader.java:237) at com.sun.syndication.io.XmlReader.<init>(XmlReader.java:213) at rssdaemonapp.ValidatorThread.run(ValidatorThread.java:32) at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908) at java.lang.Thread.run(Thread.java:619) I don't use any proxy. I get this exception on my PC and on the production server and only for this URL, other URLs are working.

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• Extending an entity

  - by Kim L

  I have class named AbstractUser, which is annotated with @MappedSuperclass. Then I have a class named User (@Entity) which extends AbstractUser. Both of these exist in a package named foo.bar.framework. When I use these two classes, everything works just fine. But now I've imported a jar containing these files to another project. I'd like to reuse the User class and expand it with a few additional fields. I thought that @Entity public class User extends foo.bar.framework.User would do the trick, but I found out that this implementation of the User only inherits the fields from AbstractUser, but nothing from foo.bar.framework.User. The question is, how can I get my second User class to inherit all the fields from the first User entity class? Both User class implementation have different table names defined with @Table(name = "name").

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• using an array in a custom formula in crystal reports xi

  - by Kim Sharpe

  I have a formula which is working; the formula uses an array. I tried to extract the formula to create a custom formula but now get an error in the syntax. I am wondering if the array is causing the problem as the error is on the line: last_element_current:=val(sc_array[1]) + 1; and the error is: the ) is missing and highlights the variable sc_array before the index [1].

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• How to show jQuery is working/waiting/loading ?

  - by Kim

  How do I show a loading picture and/or message to the user ? If possible, would I like to know how to make it full screen with grey-dimmed background. Kinda like when viewing the large picture from some galleries (sorry, no example link). Currently do I add a CSS class which has the image and other formating, but its not working for some reason. Results from the search do get inserted into the div. HTML <div id="searchresults"></div> CSS div.loading { background-image: url('../img/loading.gif'); background-position: center; width: 80px; height: 80px; } JS $(document).ready(function(){ $('#searchform').submit(function(){ $('#searchresults').addClass('loading'); $.post('search.php', $('#'+this.id).serialize(),function(result){ $('#searchresults').html(result); }); $('#searchresults').removeClass('loading'); return false; }); });

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• How to return radio checked object with jQuery ?

  - by Kim

  HTML <input type="radio" name="rdName" id="uniqueID1" value="1" checked="checked"> <input type="radio" name="rdName" id="uniqueID2" value="2"> <input type="radio" name="rdName" id="uniqueID3" value="3"> jQuery #1 $('input:radio[name=rdName]:checked').val(); jQuery #2 $('input[name=rdName]:checked'); jQuery #1 gets the value of checked radio, but I need to get the whole object to get the ID. jQuery #2 get this (from Chrome Dev console). Object "0" is the actual object I need, but I am unable to just that. 0: HTMLInputElement constructor: function Object() context: HTMLDocument length: 1 prevObject: Object selector: input[name=rdName]:checked __proto__: Object Any ideas how to isolate the needed object ?

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• C++ cin questions

  - by Kim

  This seems to be weird: int main(int argc, char* argv[]) { cout << "function main() .." << '\n'; char ch = 0; double number_value=1.1; cin >> ch; cin.putback(ch); cin >> number_value; cout << "1 .. " << " " << cin.good() << " " << number_value << '\n'; cin >> number_value; cout << "2 .. " << " " << cin.good() << " " << number_value << '\n'; return 0; } If I input the following: 7a 1 I get the following: function main() .. 7a 1 1 .. 1 7 2 .. 0 0 I understand the: 1 .. 1 7 but why the variable number_value is 0. cin.good() shows failure so nothing would have read and the value in number_value from the previous assignment would remain. I expect the value of 7.

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