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• IllegalArgumentException: width and height must be > 0 during zoomOut in Google MapView

  - by Janusz

  I'm trying to zoom in on a Google MapView on step in the oncreateMethod of my Activity. Everytime I try to zoom the map via the mapController I get an IllegalArgumentException: 04-15 10:16:51.012: ERROR/AndroidRuntime(528): java.lang.RuntimeException: Unable to start activity ComponentInfo{com.innomos.couponimo.android.client/com.innomos.couponimo.android.client.ui.showstores.StoreMap}: java.lang.IllegalArgumentException: width and height must be > 0 This Exception is thrown if I call the zoomOut or zoomIn function of MapController. Sadly the zoomIn function I'm using does not take any arguments. The onCreateMethod where I'm calling the zoom functions looks like this: mapView = (MapView) findViewById(R.id.map); mapView.setBuiltInZoomControls(true); MapController mapController = mapView.getController(); mapController.zoomIn(); I'm a little bit at loss here because I'm doing nothing special. The whole stacktrace is: 04-15 10:16:51.012: ERROR/AndroidRuntime(528): java.lang.RuntimeException: Unable to start activity ComponentInfo{com.innomos.couponimo.android.client/com.innomos.couponimo.android.client.ui.showstores.StoreMap}: java.lang.IllegalArgumentException: width and height must be > 0 04-15 10:16:51.012: ERROR/AndroidRuntime(528): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2401) 04-15 10:16:51.012: ERROR/AndroidRuntime(528): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2417) 04-15 10:16:51.012: ERROR/AndroidRuntime(528): at android.app.ActivityThread.access$2100(ActivityThread.java:116) 04-15 10:16:51.012: ERROR/AndroidRuntime(528): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1794) 04-15 10:16:51.012: ERROR/AndroidRuntime(528): at android.os.Handler.dispatchMessage(Handler.java:99) 04-15 10:16:51.012: ERROR/AndroidRuntime(528): at android.os.Looper.loop(Looper.java:123) 04-15 10:16:51.012: ERROR/AndroidRuntime(528): at android.app.ActivityThread.main(ActivityThread.java:4203) 04-15 10:16:51.012: ERROR/AndroidRuntime(528): at java.lang.reflect.Method.invokeNative(Native Method) 04-15 10:16:51.012: ERROR/AndroidRuntime(528): at java.lang.reflect.Method.invoke(Method.java:521) 04-15 10:16:51.012: ERROR/AndroidRuntime(528): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:791) 04-15 10:16:51.012: ERROR/AndroidRuntime(528): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:549) 04-15 10:16:51.012: ERROR/AndroidRuntime(528): at dalvik.system.NativeStart.main(Native Method) 04-15 10:16:51.012: ERROR/AndroidRuntime(528): Caused by: java.lang.IllegalArgumentException: width and height must be > 0 04-15 10:16:51.012: ERROR/AndroidRuntime(528): at android.graphics.Bitmap.nativeCreate(Native Method) 04-15 10:16:51.012: ERROR/AndroidRuntime(528): at android.graphics.Bitmap.createBitmap(Bitmap.java:468) 04-15 10:16:51.012: ERROR/AndroidRuntime(528): at com.google.android.maps.ZoomHelper.createSnapshot(ZoomHelper.java:305) 04-15 10:16:51.012: ERROR/AndroidRuntime(528): at com.google.android.maps.ZoomHelper.doZoom(ZoomHelper.java:137) 04-15 10:16:51.012: ERROR/AndroidRuntime(528): at com.google.android.maps.ZoomHelper.doZoom(ZoomHelper.java:126) 04-15 10:16:51.012: ERROR/AndroidRuntime(528): at com.google.android.maps.MapView.doZoom(MapView.java:1459) 04-15 10:16:51.012: ERROR/AndroidRuntime(528): at com.google.android.maps.MapView.doZoom(MapView.java:1468) 04-15 10:16:51.012: ERROR/AndroidRuntime(528): at com.google.android.maps.MapController.zoomIn(MapController.java:427) 04-15 10:16:51.012: ERROR/AndroidRuntime(528): at com.innomos.couponimo.android.client.ui.showstores.StoreMap.onCreate(StoreMap.java:58) 04-15 10:16:51.012: ERROR/AndroidRuntime(528): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1123) 04-15 10:16:51.012: ERROR/AndroidRuntime(528): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2364) 04-15 10:16:51.012: ERROR/AndroidRuntime(528): ... 11 more

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• win32 API vs Linux Kernel API

  - by Nik

  Is there anything that can be done using Win32 API that cannot be done using Linux kernel API. I'm asking this, because back in Lab where I work we use Ixia and Agilent Technologies H/W. and these H/W (Signal processes or Packet generator) worth 10s of thousand of Dollars run windows as their OS. Why didn't they choose Linux. I've seen Linux in routers and firewall but not in real Heavy duty H/W like Ixia. This preference of windows over Linux made me think is there any limitation in Linux API or its just licensing thing.

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• Javassist failure in hibernate: invalid constant type: 60

  - by Kaleb Pederson

  I'm creating a cli tool to manage an existing application. Both the application and the tests build fine and run fine but despite that I receive a javassist failure when running my cli tool that exists within the jar: INFO: Bytecode provider name : javassist ... INFO: Hibernate EntityManager 3.5.1-Final Exception in thread "main" javax.persistence.PersistenceException: Unable to configure EntityManagerFactory at org.hibernate.ejb.Ejb3Configuration.configure(Ejb3Configuration.java:371) at org.hibernate.ejb.HibernatePersistence.createEntityManagerFactory(HibernatePersistence.java:55) at javax.persistence.Persistence.createEntityManagerFactory(Persistence.java:48) at javax.persistence.Persistence.createEntityManagerFactory(Persistence.java:32) ... at com.sophware.flexipol.admin.AdminTool.<init>(AdminTool.java:40) at com.sophware.flexipol.admin.AdminTool.main(AdminTool.java:69) Caused by: java.lang.RuntimeException: Error while reading file:flexipol-jar-with-dependencies.jar at org.hibernate.ejb.packaging.NativeScanner.getClassesInJar(NativeScanner.java:131) at org.hibernate.ejb.Ejb3Configuration.addScannedEntries(Ejb3Configuration.java:467) at org.hibernate.ejb.Ejb3Configuration.addMetadataFromScan(Ejb3Configuration.java:457) at org.hibernate.ejb.Ejb3Configuration.configure(Ejb3Configuration.java:347) ... 11 more Caused by: java.io.IOException: invalid constant type: 60 at javassist.bytecode.ConstPool.readOne(ConstPool.java:1027) at javassist.bytecode.ConstPool.read(ConstPool.java:970) at javassist.bytecode.ConstPool.<init>(ConstPool.java:127) at javassist.bytecode.ClassFile.read(ClassFile.java:693) at javassist.bytecode.ClassFile.<init>(ClassFile.java:85) at org.hibernate.ejb.packaging.AbstractJarVisitor.checkAnnotationMatching(AbstractJarVisitor.java:243) at org.hibernate.ejb.packaging.AbstractJarVisitor.executeJavaElementFilter(AbstractJarVisitor.java:209) at org.hibernate.ejb.packaging.AbstractJarVisitor.addElement(AbstractJarVisitor.java:170) at org.hibernate.ejb.packaging.FileZippedJarVisitor.doProcessElements(FileZippedJarVisitor.java:119) at org.hibernate.ejb.packaging.AbstractJarVisitor.getMatchingEntries(AbstractJarVisitor.java:146) at org.hibernate.ejb.packaging.NativeScanner.getClassesInJar(NativeScanner.java:128) ... 14 more Since I know the jar is fine as the unit and integration tests run against it, I thought it might be a problem with javassist, so I tried cglib. The bytecode provider then shows as cglib but I still get the exact same stack trace with javassist present in it. cglib is definitely in the classpath: $ unzip -l flexipol-jar-with-dependencies.jar | grep cglib | wc -l 383 I've tried with both hibernate 3.4 and 3.5 and get the exact same error. Is this a problem with javassist?

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• Google App Engine - Memcache - Java version of Python's client.add?

  - by Spines

  The python interface to the memcache has an add method: add(key, value, time=0, min_compress_len=0, namespace=None) Sets a key's value, if and only if the item is not already in memcache. ... The return value is True if added, False on error. So with this you can add an item if it doesn't exist, and see if it previously existed by the return value. The java memcache api equivalent for this doesn't let you know if there was a previous value or not: put(key, value, expiration, MemcacheService.SetPolicy.ADD_ONLY_IF_NOT_PRESENT); MemcacheService.SetPolicy.ADD_ONLY_IF_NOT_PRESENT: add the value if no value with the key, do nothing if the key exists Is there a way to know if a previous value existed or not with the java api? I can't just check with the contains method beforehand, because in between the call to contains and the call to put, another JVM instance could modify the memcache.

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• Getting parameters values blank and null when using custom wsdl in axis2

  - by Narendra

  Hi All, I am using axis2 for my web services creation. I want to user my own wsdl file instead of using generated wsdl file. When I am placing my own wsdl file in META-INF directory and deploying my web services they are deploying successfully. But the problem is when i try to test these web service using soapui it throwing null pointer exception. For example I am invoking following operations in soap ui. public String testWebService(String a, String b) { LogHelper.info("Value of a is:"+a); LogHelper.info("Value of b is :"+b); String c=a.trim()+b.Trim(); return "suceess" } output in console: value of a is: value of b is:null 19:58:47,781 ERROR [RPCMessageReceiver] Exception occurred while trying to invoke service method testWebService java.lang.reflect.InvocationTargetException at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at org.apache.axis2.rpc.receivers.RPCUtil.invokeServiceClass(RPCUtil.java:194) at org.apache.axis2.rpc.receivers.RPCMessageReceiver.invokeBusinessLogic(RPCMessageReceiver.java:102) at org.apache.axis2.receivers.AbstractInOutMessageReceiver.invokeBusinessLogic(AbstractInOutMessageReceiver.java:40) at org.apache.axis2.receivers.AbstractMessageReceiver.receive(AbstractMessageReceiver.java:114) at org.apache.axis2.engine.AxisEngine.receive(AxisEngine.java:173) at org.apache.axis2.transport.http.HTTPTransportUtils.processHTTPPostRequest(HTTPTransportUtils.java:173) at org.apache.axis2.transport.http.AxisServlet.doPost(AxisServlet.java:142) at javax.servlet.http.HttpServlet.service(HttpServlet.java:637) at javax.servlet.http.HttpServlet.service(HttpServlet.java:717) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:235) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191) at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:190) at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:92) at o...................................................... SO What i understand is i am getting value for a is black and value of b is null. Can any one give me any suggestions please. Thanks, Narendra

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• Supressing GUI?

  - by Legend

  I am trying to run a plugin designed for Vuze using Java. For this I am using a command like this: /home/x/jre1.6.0_14/bin/java -Dazureus.config.path=/home/x/plugin_directory -Dfile.encoding=ANSI_X3.4-1968 -classpath /home/x/P/lib/swtgraphics2d.jar:/home/x/P/lib/Azureus2.jar:/home/x/P/lib/swt.jar org.gudy.azureus2.ui.swt.Main The problem with this is that the launch is failing with an error: changeLocale: *Default Language* != English (United States). Searching without country.. changeLocale: Searching for language English in *any* country.. changeLocale: no message properties for Locale 'English (United States)' (en_US), using 'English (default)' Invoking main failed java.lang.reflect.InvocationTargetException 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.aelitis.azureus.launcher.MainExecutor$1.run(MainExecutor.java:37) at java.lang.Thread.run(Unknown Source) Caused by: org.eclipse.swt.SWTError: No more handles [gtk_init_check() failed] at org.eclipse.swt.SWT.error(SWT.java:3910) at org.eclipse.swt.widgets.Display.createDisplay(Display.java:863) at org.eclipse.swt.widgets.Display.create(Display.java:851) at org.eclipse.swt.graphics.Device.<init>(Device.java:152) at org.eclipse.swt.widgets.Display.<init>(Display.java:479) at org.eclipse.swt.widgets.Display.<init>(Display.java:470) at org.gudy.azureus2.ui.swt.mainwindow.SWTThread.<init>(SWTThread.java:84) at org.gudy.azureus2.ui.swt.mainwindow.SWTThread.createInstance(SWTThread.java:59) at org.gudy.azureus2.ui.swt.mainwindow.Initializer.<init>(Initializer.java:110) at org.gudy.azureus2.ui.swt.Main.<init>(Main.java:88) at org.gudy.azureus2.ui.swt.Main.main(Main.java:255) ... 6 more Exception in thread "MainRunner" java.lang.SecurityException: VM exit operation prohibited at org.gudy.azureus2.core3.security.impl.SESecurityManagerImpl$2.checkExit(SESecurityManagerImpl.java:274) at java.lang.Runtime.exit(Unknown Source) at java.lang.System.exit(Unknown Source) at com.aelitis.azureus.launcher.MainExecutor$1.run(MainExecutor.java:42) at java.lang.Thread.run(Unknown Source) I am sure that this is happening because I am running the program on a terminal. Is there a way to supress the GUI or let the program think that the GUI was spawned successfully? Any suggestions?

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• Problems using Maven to initialize a local thoughtsite (App Engine sample) project in Eclipse

  - by ovr

  This sample app ("thoughtsite") for App Engine contains a pom.xml in its trunk: http://code.google.com/p/thoughtsite/source/browse/#svn/trunk I ran mvn eclipse:eclipse and also tried using m2eclipse to import this source code into an Eclipse project. But I end up with this error despite the fact that I have the Google App Engine plugin and the Google App Engine SDK installed: Exception in thread "main" java.lang.ExceptionInInitializerError at com.google.appengine.tools.info.SdkImplInfo.<clinit>(SdkImplInfo.java:19) at com.google.appengine.tools.util.Logging.initializeLogging(Logging.java:36) at com.google.appengine.tools.development.DevAppServerMain.main(DevAppServerMain.java:82) Caused by: java.lang.RuntimeException: Unable to discover the Google App Engine SDK root. This code should be loaded from the SDK directory, but was instead loaded from file:~/.m2/repository/com/google/appengine/appengine-tools-sdk/1.3.0/appengine-tools-sdk-1.3.0.jar. Specify -Dappengine.sdk.root to override the SDK location. at com.google.appengine.tools.info.SdkInfo.findSdkRoot(SdkInfo.java:106) at com.google.appengine.tools.info.SdkInfo.<clinit>(SdkInfo.java:24) ... 3 more When I go into the project settings under "Google" and try to set it to use the default App Engine SDK it always reverts to trying to use Maven's App Engine SDK instead. No idea how to get this project working.

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• How to update a Blogger HTML widget through API ??

  - by Nok Imchen

  Can someone please tell me how to update a blogger HTML widget through php API ??

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• java connectivity with mysql error

  - by abson

  I just started with the connectivity and tried this example. I have installed the necessary softwares. Also copied the jar file into the /ext folder.Yet the code below has the following error import java.sql.*; public class Jdbc00 { public static void main(String args[]){ try { Statement stmt; Class.forName("com.mysql.jdbc.Driver"); String url = "jdbc:mysql://localhost:3306/mysql" DriverManager.getConnection(url,"root", "root"); //Display URL and connection information System.out.println("URL: " + url); System.out.println("Connection: " + con); //Get a Statement object stmt = con.createStatement(); //Create the new database stmt.executeUpdate( "CREATE DATABASE JunkDB"); stmt.executeUpdate( "GRANT SELECT,INSERT,UPDATE,DELETE," + "CREATE,DROP " + "ON JunkDB.* TO 'auser'@'localhost' " + "IDENTIFIED BY 'drowssap';"); con.close(); }catch( Exception e ) { e.printStackTrace(); }//end catch }//end main }//end class Jdbc00 But it gave the following error D:\Java12\Explore>java Jdbc00 java.lang.ClassNotFoundException: com.mysql.jdbc.Driver at java.net.URLClassLoader$1.run(Unknown Source) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(Unknown Source) at java.lang.ClassLoader.loadClass(Unknown Source) at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source) at java.lang.ClassLoader.loadClass(Unknown Source) at java.lang.Class.forName0(Native Method) at java.lang.Class.forName(Unknown Source) at Jdbc11.main(Jdbc00.java:11) Could anyone please guide me in correcting this?

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• Problem with twitter API: cannot update status

  - by PainBringer

  I am trying to create Google Chrome extension that will send interesting links to twitter. But, I am unable to connect to the Twitter. The server gets my request, but the response is always the same: "You do not have permission to access /1/statuses/update.json on this server (403 Forbidden)." I am using Wireshark to inspect Http responses. Here is the code of the function i am using: function setStatus(msg) { var status = "status="+msg; var client = new XMLHttpRequest(); client.open("POST","http://api.twitter.com/1/statuses/update.json"); client.setRequestHeader("Authorization", "Basic <user credentials>"); client.setRequestHeader("Content-Type", "application/x-www-form-urlencoded"); client.onreadystatechange = function(){ if(client.readyState ==4){ //whatever } } client.send(status); Am I doing something wrong? I am using Basic Auth. I use this tool to do the encoding, and just put the result instead of . Also, can someone give me an example of OAuth?

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• Is the google docs api incompatible with C# 4.0?

  - by Justin

  I've added references to all the required docs api dll's, but I still get missing reference exceptions when I try to compile.

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• Too many open files in one of my java routine.

  - by Irfan Zulfiqar

  I have a multithreaded code that has to generated a set of objects and write them to a file. When I run it I sometime get "Too many open files" message in Exception. I have checked the code to make sure that all the file streams are being closed properly. Here is the stack trace. When I do ulimit -a, open files allowed is set to 1024. We think increasing this number is not a viable option / solution. [java] java.io.FileNotFoundException: /export/event_1_0.dtd (Too many open files) [java] at java.io.FileInputStream.open(Native Method) [java] at java.io.FileInputStream.<init>(FileInputStream.java:106) [java] at java.io.FileInputStream.<init>(FileInputStream.java:66) [java] at sun.net.www.protocol.file.FileURLConnection.connect(FileURLConnection.java:70) [java] at sun.net.www.protocol.file.FileURLConnection.getInputStream(FileURLConnection.java:161) [java] at java.net.URL.openStream(URL.java:1010) Now what we have identified so far by looking closely at the list of open files is that the VM is opening same class file multiple times. /export/BaseEvent.class 236 /export/EventType1BaseEvent.class 60 /export/EventType2BaseEvent.class 48 /export/EventType2.class 30 /export/EventType1.class 14 Where BaseEvent is partent of all the classes and EventType1 ant EventType2 inherits EventType1BaseEvent and EventType2BaseEvent respectively. Why would a class loader load the same class file 200+ times. It seems it is opening up the base class as many time it create any child instance. Is this normal? Can it be handler any other way apart from increasing the number of open files?

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• java.lang.ExceptionInInitializerError Exception when creating Application Context in Spring

  - by cyotee

  I am practicing with Spring, and am getting a java.lang.ExceptionInInitializerError exception when I try to instantiate the context. The Exception appears below, with my code following it. I have simplified my experiment from before. The Exception Oct 17, 2012 5:54:22 PM org.springframework.context.support.AbstractApplicationContext prepareRefresh INFO: Refreshing org.springframework.context.support.ClassPathXmlApplicationContext@570c16b7: startup date [Wed Oct 17 17:54:22 CDT 2012]; root of context hierarchy Exception in thread "main" java.lang.ExceptionInInitializerError at org.springframework.context.support.AbstractRefreshableApplicationContext.createBeanFactory(AbstractRefreshableApplicationContext.java:195) at org.springframework.context.support.AbstractRefreshableApplicationContext.refreshBeanFactory(AbstractRefreshableApplicationContext.java:128) at org.springframework.context.support.AbstractApplicationContext.obtainFreshBeanFactory(AbstractApplicationContext.java:535) at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:449) at org.springframework.context.support.ClassPathXmlApplicationContext.<init>(ClassPathXmlApplicationContext.java:139) at org.springframework.context.support.ClassPathXmlApplicationContext.<init>(ClassPathXmlApplicationContext.java:83) at helloworld.HelloWorldTest.main(HelloWorldTest.java:13) Caused by: java.lang.NullPointerException at org.springframework.beans.factory.support.DefaultListableBeanFactory.<clinit>(DefaultListableBeanFactory.java:105) ... 7 more My configuration 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:c="http://www.springframework.org/schema/c" xmlns:p="http://www.springframework.org/schema/p" xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.1.xsd"> <bean id="messageContainer" class="helloworld.MessageContainer"> <property name="message" value="Hello World"> </property> </bean> <bean id="messageOutputService" class="helloworld.MessageOutputService"> </bean> My test class. package helloworld; import org.springframework.context.ApplicationContext; import org.springframework.context.support.ClassPathXmlApplicationContext; public class HelloWorldTest { /** * @param args */ public static void main(String[] args) { ApplicationContext context = new ClassPathXmlApplicationContext("HelloWorldTest-context.xml"); MessageContainer message = context.getBean(MessageContainer.class); MessageOutputService service = context.getBean(MessageOutputService.class); service.outputMessageToConsole(message); } }

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• Recursive Maze in Java

  - by Api

  I have written a short Java code for solving a simple maze problem to go from S to G. I do not understand where the problem is going wrong. import java.util.Scanner; public class tester { static char [][] grid={ {'.','.'}, {'.','.'}, {'S','G'}, }; static int a=2; static int b=2; static boolean findpath(int x, int y) { if((x > grid.length-1) || (y > grid[0].length-1) || (x < 0 || y < 0)) { return false; } else if(x==a && y==b){ return true; } else if (findpath(x,y-1) == true){ return true; } else if (findpath(x+1,y) == true){ return true; } else if (findpath(x,y+1) == true) { return true; } else if (findpath(x-1,y) == true){ return true; } return false; } public static void main(String[] args){ boolean result=findpath(2,0); System.out.print(result); } } I am giving the starting position directly and goal is defined in a & b. Do help.

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• Should my internal API classes be all in one package?

  - by Chris

  I'm hard at work packaging up an API for public consumption. As such I'm trying to limit the methods that are exposed to only those that I wish to be public and supportable. Underneath this of course there are a multitude of limited access methods. The trouble is that I have a lot of internal code that needs to access these restricted methods without making those methods public. This creates two issues: I can't create interfaces to communicate between classes as this would make these my internal methods public. I can't access protected or default methods unless I put the majority of my internal classes in the same package. So, I have around 70 or 80 internal classes in cleanly segregated packages BUT with overly permissive access modifiers. Would you say that a single package is the lesser of two evils or is there a better way to be able to mask my internal methods whilst keeping more granular packages? I'd be interested to find out the best practice here. I'm already aware of This

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• Transliteration API: Is it possible to make all input fields in the page transliteratable?

  - by SolidSnakeGTI

  Hello, I've used "Google AJAX Transliteration API" and it's going well with me. http://code.google.com/apis/ajaxlanguage/documentation/referenceTransliteration.html Currently I've a project that I need all input fields in every page (input & textarea tags) to be transliteratable, while these input fields differs from page to page (dynamic). As I know, I've to call makeTransliteratable(elementIds, opt_options) method in the API call to define which input fields to make transliteratable, and in my case here I can't predefine those fields manually. Is there a way to achieve this? Thanks in advance

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• Java import statement

  - by nattyP

  I am using java on debian 5 java version "1.6.0_20" Java(TM) SE Runtime Environment (build 1.6.0_20-b02) Java HotSpot(TM) Client VM (build 16.3-b01, mixed mode, sharing) Why is there a difference between the following Case 1: import java.util.*; Case 2: import java.util.*; import java.util.Arrays; import java.util.List; Why doesnt the first case cover the second case? The code only compiles when I import Arrays and List explicitly. Code: import java.util.*; import java.util.Arrays; import java.util.List; public class Test { public static void main (String[] args) { List<Integer> i = new ArrayList(Arrays.asList(1,2,3,4,5,6,7,8,9,10)); List<Integer> j = new ArrayList(); ListIterator<Integer> n = i.listIterator(i.size()); while(n.hasPrevious()) { j.add(n.previous()); } println(j); } static void println(Object o) { System.out.println(o); } static void print(Object o) { System.out.print(o); } }

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• Has anyone tried the "objectify" library for Google App Engine?

  - by Spines

  I was using JDO for my google app engine project but got fed up with the additional 5 seconds it adds to my cold start time. I was planning on just writing stuff directly to the database with the low level datastore api, but then I came accross the objectify project ( http://code.google.com/p/objectify-appengine/ ). Apparently its a super light wrapper above the low level api. Does anyone have experiences with this library that they could share?

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• How do you create a document in Google Docs programmatically?

  - by snoopy

  The documentation for Google Documents List API, seems to say that you can create a local document and upload it. Is there no way to actually create and edit a document on Google Docs through an API?

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• GoogleMaps API v3 - Need help with two "click" event scenarios. Need similar functionality to v2 AP

  - by Nathan Raley

  In version 2 of the API the map click event returned an Overlay, LatLng, Overlaylatlng. I used this to create a generic map event that would either retrieve the coordinates of the Map click event, or return the coordinates of a Marker or other type of Overlay. Now that API v3 doesn't return the Overlay or Overlaylatlng during the map click event, how can I go about creating a generic "click" event for the map that works if the user clicks on a marker or overlay? I really don't want to create a click event for each marker I have on my page as I am creating anywhere from a handful to a couple thousand markers. Also, I had to create a custom ImageMapType in order to display the StreetViewOverlay like we could do in v2 of the API because I couldn't find anywhere that told me how to add the StreetViewOverlay without the pegman icon. How can I go about retrieving the LatLng coordinates of a click on this overlay type as well?

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• Cant we use a Set or collection as a return type in GAE?

  - by user273422

  In my code i have used Set<Employees> as a return type to my function addEmp(). So, i m gettin an Compilation error. The Error is: Compiling module com.employeedepartmentgae.Employeedepartmentgae Refreshing module from source Validating newly compiled units Removing units with errors [ERROR] Errors in 'file:/home/wissen18/employeedepartmentgae/src/com/employeedepartmentgae/client/GreetingServiceAsync.java' [ERROR] Line 6: The import com.employeedepartmentgae.server.domainobject.Employee cannot be resolved [ERROR] Line 18: Employee cannot be resolved to a type [ERROR] Errors in 'file:/home/wissen18/employeedepartmentgae/src/com/employeedepartmentgae/client/GreetingService.java' [ERROR] Line 6: The import com.employeedepartmentgae.server.domainobject.Employee cannot be resolved [ERROR] Line 20: Employee cannot be resolved to a type [ERROR] Errors in 'file:/home/wissen18/employeedepartmentgae/src/com/employeedepartmentgae/client/EmployeeWidget.java' [ERROR] Line 12: The import com.employeedepartmentgae.server.domainobject.Employee cannot be resolved [ERROR] Line 75: The method addEmp(String, String, String, AsyncCallback) from the type GreetingServiceAsync refers to the missing type Employee [ERROR] Line 75: The type new AsyncCallback(){} must implement the inherited abstract method AsyncCallback.onSuccess(Set) [ERROR] Line 75: Employee cannot be resolved to a type [ERROR] Line 94: The method onSuccess(Set) of type new AsyncCallback(){} must override or implement a supertype method [ERROR] Line 94: Employee cannot be resolved to a type [ERROR] Line 96: Employee cannot be resolved to a type [ERROR] Line 96: Employee cannot be resolved to a type [ERROR] Line 98: Employee cannot be resolved to a type Removing invalidated units [WARN] Compilation unit 'file:/home/wissen18/employeedepartmentgae/src/com/employeedepartmentgae/client/Employeedepartmentgae.java' is removed due to invalid reference(s): [WARN] file:/home/wissen18/employeedepartmentgae/src/com/employeedepartmentgae/client/EmployeeWidget.java [WARN] Compilation unit 'file:/home/wissen18/employeedepartmentgae/src/com/employeedepartmentgae/client/DepartmentWidget.java' is removed due to invalid reference(s): [WARN] file:/home/wissen18/employeedepartmentgae/src/com/employeedepartmentgae/client/GreetingService.java [WARN] file:/home/wissen18/employeedepartmentgae/src/com/employeedepartmentgae/client/GreetingServiceAsync.java Computing all possible rebind results for 'com.employeedepartmentgae.client.Employeedepartmentgae' Rebinding com.employeedepartmentgae.client.Employeedepartmentgae Checking rule [ERROR] Unable to find type 'com.employeedepartmentgae.client.Employeedepartmentgae' [ERROR] Hint: Previous compiler errors may have made this type unavailable [ERROR] Hint: Check the inheritance chain from your module; it may not be inheriting a required module or a module may not be adding its source path entries properly So please help me.....

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• Is there any google Image search API for ActionScript\MXML developers?

  - by Ole Jak

  Is there any google Image search API for ActionScript\MXML developers?

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• YouTube's API and The News

  YouTube's API and The News On July 20, 2011, YouTube and Link TV hosted a Hacks/Hackers meetup in San Francisco for a first-person look at innovative news projects using YouTube's API. YouTube, Link TV and four developer partners demoed new web applications built using the YouTube API. The presentations started with YouTube API overview, followed by the demos of: * YouTube Direct (www.youtube.com is an open source user generated content video submission and moderation platform * Storyful (www.storyful.com was founded by journalists to discover the smartest conversations about world events and raise up the authentic voices on the big stories. * Storify (www.storify.com lets users make stories using social media. With Storify you can drag and drop tweets, YouTube videos, Flickr images, Facebook updates, ... and add your own narrative to tell a story. * Shortform (www.shortform.com is a new social entertainment medium, delivering continuous channels of the best videos from anywhere on the web, curated by our community of video DJs (VJs) * GoAnimate (www.goanimate.com was founded to provide an outlet for everyone's creative ideas. In just 10 minutes, one can make fun animated videos without having to draw. * Link TV (linktv.org recently launched Link News (news.linktv.org), an international news website that sifts through YouTube's library of news content to deliver breaking news and hidden stories to a wider audience. The beta site uses powerful new tools, like YouTube's API, to link visitors to <b>...</b> From: GoogleDevelopers Views: 5285 23 ratings Time: 01:10:18 More in Science & Technology

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• java slick2D - problem using ScalableGame class

  - by nellykvist

  I have problem adjusting the size of the screen, using the ScalableGame class from Slick2D library. So, what I want to achieve, whenever I change display size, background should adjust to screen size, and objects (images, grahpic shapes) should fit (scale). Alright, so this is how state looks by default. I can change screen size, but images and graphic shapes does not appGameContainer = new AppGameContainer(     new ScalableGame(new AppStateController(), Settings.video.getWidth(), Settings.video.getHeight(), true) ); appGameContainer.setDisplayMode(Settings.video.getWidth(), Settings.video.getHeight(), Settings.video.isFullScreen()); appGameContainer.start(); If I assign to width/height +100, ScalableGame constructor: appGameContainer = new AppGameContainer(     new ScalableGame(new AppStateController(), Settings.video.getWidth() + 100, Settings.video.getHeight() + 100, true) ); appGameContainer.setDisplayMode(Settings.video.getWidth(), Settings.video.getHeight(), Settings.video.isFullScreen()); appGameContainer.start(); If I assign to width/height +100, to display: appGameContainer = new AppGameContainer(     new ScalableGame(new AppStateController(), Settings.video.getWidth(), Settings.video.getHeight(), true) ); appGameContainer.setDisplayMode(Settings.video.getWidth() + 100, Settings.video.getHeight() + 100, Settings.video.isFullScreen()); appGameContainer.start();

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• Java Slick2d - How to translate mouse coordinates to world coordinates

  - by Corey

  I am translating in my main class render. How do I get the mouse position where my mouse actually is after I scroll the screen public void render(GameContainer gc, Graphics g) throws SlickException { float centerX = 800/2; float centerY = 600/2; g.translate(centerX, centerY); g.translate(-player.playerX, -player.playerY); gen.render(g); player.render(g); } playerX = 800 /2 - sprite.getWidth(); playerY = 600 /2 - sprite.getHeight(); Image to help with explanation I tried implementing a camera but it seems no matter what I can't get the mouse position. I was told to do this worldX = mouseX + camX; but it didn't work the mouse was still off. Here is my Camera class if that helps: public class Camera { public float camX; public float camY; Player player; public void init() { player = new Player(); } public void update(GameContainer gc, int delta) { Input input = gc.getInput(); if(input.isKeyDown(Input.KEY_W)) { camY -= player.speed * delta; } if(input.isKeyDown(Input.KEY_S)) { camY += player.speed * delta; } if(input.isKeyDown(Input.KEY_A)) { camX -= player.speed * delta; } if(input.isKeyDown(Input.KEY_D)) { camX += player.speed * delta; } } Code used to convert mouse worldX = (int) (mouseX + cam.camX); worldY = (int) (mouseY + cam.camY);

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