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  • How to draw onto a PictureBox image when control resizes?

    - by Sam Mackrill
    I am using the pictureBox_Paint event to try and draw an overlay onto the image in a PictureBox. This is working fine until I resize the PictureBox (set to use SizeMode.Zoom), when I do this the overlay graphic is drawn off position by the margin between the image and the edge of the PictureBox. I guess I need to use the ImageRectangle somehow but this is not public.

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  • NoHostAvailableException With Cassandra & DataStax Java Driver If Large ResultSet

    - by hughj
    The setup: 2-node Cassandra 1.2.6 cluster replicas=2 very large CQL3 table with no secondary index Rowkey is a UUID.randomUUID().toString() read consistency set to ONE Using DataStax java driver 1.0 The request: Attempting to do a table scan by "SELECT some-col from schema.table LIMIT nnn;" The fail: Once I go beyond a certain nnn LIMIT, I start to get NoHostAvailableExceptions from the driver. It reads like this: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (tried: /10.181.13.239 ([/10.181.13.239] Unexpected exception triggered)) at com.datastax.driver.core.exceptions.NoHostAvailableException.copy(NoHostAvailableException.java:64) at com.datastax.driver.core.ResultSetFuture.extractCauseFromExecutionException(ResultSetFuture.java:214) at com.datastax.driver.core.ResultSetFuture.getUninterruptibly(ResultSetFuture.java:169) at com.jpmc.es.rtm.storage.impl.EventExtract.main(EventExtract.java:36) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:601) at com.intellij.rt.execution.application.AppMain.main(AppMain.java:120) Caused by: com.datastax.driver.core.exceptions.NoHostAvailableException: All host(s) tried for query failed (tried: /10.181.13.239 ([/10.181.13.239] Unexpected exception triggered)) at com.datastax.driver.core.RequestHandler.sendRequest(RequestHandler.java:98) at com.datastax.driver.core.RequestHandler$1.run(RequestHandler.java:165) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603) Given: This is probably not the most enlightened thing to do to a large table with millions of rows, but this is how I learn what not to do, so I would really appreciate someone who could volunteer how this kind of error can be debugged. For example, when this happens, there are no indications that the nodes in the cluster ever had an issue with the request (there is nothing in the logs on either node that indicate any timeout or failure). Also, I enabled the trace on the driver, which gives you some nice autotrace (ala Oracle) info as long as the query succeeds. But in this case, the driver blows a NoHostAvailableException and no ExecutionInfo is available, so tracing has not provided any benefit in this case. I also find it interesting that this does not seem to be recorded as a timeout (my JMX consoles tell me no timeouts have occurred). So, I am left not understanding WHERE the failure is actually occurring. I am left with the idea that it is the driver that is having a problem, but I don't know how to debug it (and I would really like to). I have read several posts from folks that state that query'g for resultSets 10000 rows is probably not a good idea, and I am willing to accept this, but I would like to understand what is causing the exception and where the exception is happening. FWIW, I also tried bumping the timeout properties in the cassandra.yaml, but this made no difference whatsoever. I welcome any suggestions, anecdotes, insults, or monetary contributions for my registration in the house of moron-developers. Regards!!

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  • Rendering HTML in Java

    - by ferronrsmith
    I am trying to create a help panel for an application I am working on. The help file as already been created using html technology and I would like it to be rendered in a pane and shown. All the code I have seen shows how to render a site e.g. "http://google.com". I want to render a file from my pc e.g. "file://c:\tutorial.html" This is the code i have, but it doesn't seem to be working. import javax.swing.JEditorPane; import javax.swing.JFrame; import javax.swing.JLabel; import javax.swing.JScrollPane; import javax.swing.SwingUtilities; import java.awt.Color; import java.awt.Container; import java.io.IOException; import static java.lang.System.err; import static java.lang.System.out; final class TestHTMLRendering { // ------------------------------ CONSTANTS ------------------------------ /** * height of frame in pixels */ private static final int height = 1000; /** * width of frame in pixels */ private static final int width = 1000; private static final String RELEASE_DATE = "2007-10-04"; /** * title for frame */ private static final String TITLE_STRING = "HTML Rendering"; /** * URL of page we want to display */ private static final String URL = "file://C:\\print.html"; /** * program version */ private static final String VERSION_STRING = "1.0"; // --------------------------- main() method --------------------------- /** * Debugging harness for a JFrame * * @param args command line arguments are ignored. */ @SuppressWarnings( { "UnusedParameters" } ) public static void main( String args[] ) { // Invoke the run method on the Swing event dispatch thread // Sun now recommends you call ALL your GUI methods on the Swing // event thread, even the initial setup. // Could also use invokeAndWait and catch exceptions SwingUtilities.invokeLater( new Runnable() { /** * } fire up a JFrame on the Swing thread */ public void run() { out.println( "Starting" ); final JFrame jframe = new JFrame( TITLE_STRING + " " + VERSION_STRING ); Container contentPane = jframe.getContentPane(); jframe.setSize( width, height ); contentPane.setBackground( Color.YELLOW ); contentPane.setForeground( Color.BLUE ); jframe.setDefaultCloseOperation( JFrame.EXIT_ON_CLOSE ); try { out.println( "acquiring URL" ); JEditorPane jep = new JEditorPane( URL ); out.println( "URL acquired" ); JScrollPane jsp = new JScrollPane( jep, JScrollPane.VERTICAL_SCROLLBAR_AS_NEEDED, JScrollPane.HORIZONTAL_SCROLLBAR_AS_NEEDED ); contentPane.add( jsp ); } catch ( IOException e ) { err.println( "can't find URL" ); contentPane.add( new JLabel( "can't find URL" ) ); } jframe.validate(); jframe.setVisible( true ); // Shows page, with HTML comments erroneously displayed. // The links are not clickable. } } ); }// end main }// end TestHTMLRendering

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  • Clear cache with greasemonkey

    - by Paul
    I have a web application running in a kiosk, which is set up with greasemonkey so that we can customize little things about the application and ensure the customizations only occur at the kiosk. I have been digging through the GM api hoping that it would have some functionality to affect browser settings, but alas it looks like it only affects pages running in the browser. Is there a way for me to tell the browser to clear it's cache when a certain event happens in the application?

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  • Custom NSView in NSMenuItem not receiving mouse events

    - by Dennis
    I have an NSMenu popping out of an NSStatusItem using popUpStatusItemMenu. These NSMenuItems show a bunch of different links, and each one is connected with setAction: to the openLink: method of a target. This arrangement has been working fine for a long time. The user chooses a link from the menu and the openLink: method then deals with it. Unfortunately, I recently decided to experiment with using NSMenuItem's setView: method to provide a nicer/slicker interface. Basically, I just stopped setting the title, created the NSMenuItem, and then used setView: to display a custom view. This works perfectly, the menu items look great and my custom view is displayed. However, when the user chooses a menu item and releases the mouse, the action no longer works (i.e., openLink: isn't called). If I just simply comment out the setView: call, then the actions work again (of course, the menu items are blank, but the action is executed properly). My first question, then, is why setting a view breaks the NSMenuItem's action. No problem, I thought, I'll fix it by detecting the mouseUp event in my custom view and calling my action method from there. I added this method to my custom view: - (void)mouseUp:(NSEvent *)theEvent { NSLog(@"in mouseUp"); } No dice! This method is never called. I can set tracking rects and receive mouseEntered: events, though. I put a few tests in my mouseEntered routine, as follows: if ([[self window] ignoresMouseEvents]) { NSLog(@"ignoring mouse events"); } else { NSLog(@"not ignoring mouse events"); } if ([[self window] canBecomeKeyWindow]) { dNSLog((@"canBecomeKeyWindow")); } else { NSLog(@"not canBecomeKeyWindow"); } if ([[self window] isKeyWindow]) { dNSLog((@"isKeyWindow")); } else { NSLog(@"not isKeyWindow"); } And got the following responses: not ignoring mouse events canBecomeKeyWindow not isKeyWindow Is this the problem? "not isKeyWindow"? Presumably this isn't good because Apple's docs say "If the user clicks a view that isn’t in the key window, by default the window is brought forward and made key, but the mouse event is not dispatched." But there must be a way do detect these events. HOW? Adding: [[self window] makeKeyWindow]; has no effect, despite the fact that canBecomeKeyWindow is YES.

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  • Move to next item or position in List view on button click

    - by praveenb
    Hi, im new to Android programing I build a listview showing station names, that grabs its data from a URL. I used ArrayAdapter to accomplish listview with data. I need to navigate through station names in listview, using previous, next buttons click. I google for this task and tried in different ways to workout bt im not able to solve. shall any one pls help me out for this issue. Thanks in advance...... I tried like this ` private ListView stationList; . . public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); requestWindowFeature(Window.FEATURE_NO_TITLE); setContentView(R.layout.playscreen); // move up event handler preButton= (ImageButton) findViewById(R.id.prevButton); preButton.setOnClickListener(new View.OnClickListener() { public void onClick(View view) { movePre(); } }); // move down event handler nxtButton= (ImageButton) findViewById(R.id.nextButton); nxtButton.setOnClickListener(new View.OnClickListener() { public void onClick(View view) { moveNxt(); } }); stationList.setAdapter(new StationAdapter(this, android.R.layout.simple_list_item_1, _stationList)); } else { Log.d(TAG, "No Stations"); } } private void movePre(){ stationList.setSelection(stationList.getSelectedItemPosition() + 1); } // Move selected item "down" in the ViewList. private void moveNxt(){ stationList.setSelection(stationList.getSelectedItemPosition() + 1); } private class StationAdapter extends ArrayAdapter { private Vector<Station> items; public StationAdapter(Context context, int textViewResourceId, Vector<Station> items) { super(context, textViewResourceId, items); this.items = items; } public void setSelectedPosition(int pos){ selectedPos = pos; // inform the view of this change notifyDataSetChanged(); } public int getSelectedPosition(){ return selectedPos; } @Override public View getView(int position, View convertView, ViewGroup parent) { View v = convertView; if (v == null) { LayoutInflater vi = (LayoutInflater) getSystemService(Context.LAYOUT_INFLATER_SERVICE); v = vi.inflate(R.layout.row, null); } Station st = items.get(position); if (st != null) { TextView tt = (TextView) v.findViewById(R.id.toptext); TextView bt = (TextView) v.findViewById(R.id.bottomtext); if (tt != null) { tt.setText(st.getStationName()); } if (bt != null) { bt.setText(st.getCT()); } } return v; } } `

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  • Anniversary gift for a programmer

    - by jens
    My boyfriend does coding (Rails/C?/PHP) for a job and I don't know what he would appreciate on our first anniversary. Does anyone have any ideas? Yes, he's stereotypical geek, but I'd rather not give a pack of Bawls for an anniversary gift. He dislikes going anywhere, so "experiences" like going to an event are out. Maybe I should just have a giant LAN party in the house.

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  • casing the object values

    - by deep
    Hai am using telerik wpf grid in grid selection change event am getting the selected row values. the problem is the values are as object. object myData = radGridView.SelectedItem; the object myData contains the row values. but i don know how to get values from the myData object

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  • Using ASP.NET Automatically login to an external website and redirect

    - by DoodleWalker
    Hello, We have a series of products with built in web servers each of which has a login page, a customer wants to create a web portal in which they log into once, from there they can simply click on any of the devices (external websites) and it will automatically login to that site and redirect them to the page after the login screen. The portal is using ASP.NET MVC, the external devices are Windows CE based units running embedded web servers. Can find a lot on scraping, but not much on redirection after the event. Many Thanks Andy

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  • Override the default row error behavior for a DataGridView

    - by Pat
    I have a DataGridView that is bound to a DataTable. When a row in the table has an error (row.RowError is not empty), the DGV helpfully displays an error icon and tooltip with the error text. Instead of, or in addition to, this behavior, I would like to change the entire row color. What event does the DGV subscribe to in order to handle errors and/or how can I override the DGV's default behavior?

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  • Clear the data from the control after the insert the row?

    - by kathy
    Hi,, I'm using aspxgridview and after adding operation by using RowInserting event and I don't use the gridView.CancelEdit(); becuase I need the addform still apperaing to insert another row. My problem is : how can I clean the data from the control in the addform until I can insert the new data for the second row ?? thanks

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  • Why am I losing sessions when running in StateServer mode?

    - by Nick Allen - Tungle139
    I have checked the servers (Win Server 2003) application event logs for the following problem http://support.microsoft.com/kb/308097 which doesn't show up. It just appears that sessions drop randomly for random users It's a single server setup, no web farms and no load balancing Even though the issue I point to above doesn't occur in the logs, is it worth increasing the stateNetworkTimeout attribute anyway? The configuration at the moment is simply <sessionState mode="StateServer" cookieless="false" stateConnectionString="tcpip=localhost:42424" timeout="60"/>

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  • Reading xml within xml as String in flex/AS3

    - by duder
    I'm getting XML input that looks like this <?xml version="1.0" encoding="utf-8"?> <data1>this is data 1</data1> <data2>this is data 2</data2> <data3> <3a>this is data 3a</3a> <3b>this is data 3b</3b> <3c> <TextFlow xmlns="http://ns.adobe.com/textLayout/2008"> <p direction="ltr" > <span>some text</span> <span>some additional text</span> </p> <p direction="ltr"> <span>some text</span> <span>some additional text</span> </p> </TextFlow> </3c> </data3> I can read <data1> with event.result.data1 which outputs a string this is data1 But when I do the same thing to event.result.data3.3c, it prints object [object] so I guess it's trying to dig deeper into the tree. But I need the actual string text (not xml tree) starting from and including <TextFlow></TextFlow> to be stored and printed as a string. Any idea what's the syntax for this? The string I'm looking for would look like this: <TextFlow xmlns="http://ns.adobe.com/textLayout/2008"> <p direction="ltr" > <span>some text</span> <span>some additional text</span> </p> <p direction="ltr"> <span>some text</span> <span>some additional text</span> </p> </TextFlow>

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  • Handling autopost back in MVC

    - by Shetty
    hi, How do i handle autopoatback in MVC? suppose i have a textbax. I enter a value in it, i need to check if the value exists in some table in the database. So in ASP .net i can set autopostback =true and handle on TextBox_TextChanged event. How do i do it here?? And what are the pros and cons of using asp.NET server control in MVC?

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  • Custom EntityNotFoundDelegate

    - by Felix
    Hi all, I get a org.hibernate.ObjectNotFoundException when I want to delete an object which doesn't exist anymore via hibernate. I just want this exception to be ignored. I could catch the exception and ignore, this would be a solution maybe. But, since there is a hibernate support for ignoring this exception through org.hibernate.cfg.Configuration#entityNotFoundDelegate, I would like to use its advantage and control it using configuration. The question is then, how can I introduce my own/custom implementation of EntityNotFoundDelegate to the org.hibernate.cfg.Configuration? Does anybody have a sample code for me? Just an additional tip, I use Spring Framework as well in my project. Here is the exception that I get: Caused by: org.springframework.orm.hibernate3.HibernateObjectRetrievalFailureException: No row with the given identifier exists: [de.mycompany.domain.ResultObject#810b1334-32d3-02b0-e044-769e0ab48e48]; nested exception is org.hibernate.ObjectNotFoundException: No row with the given identifier exists: [de.mycompany.domain.ResultObject#810b1334-32d3-02b0-e044-769e0ab48e48] at org.springframework.orm.hibernate3.SessionFactoryUtils.convertHibernateAccessException(SessionFactoryUtils.java:660) at org.springframework.orm.hibernate3.HibernateAccessor.convertHibernateAccessException(HibernateAccessor.java:412) at org.springframework.orm.hibernate3.HibernateTemplate.doExecute(HibernateTemplate.java:424) at org.springframework.orm.hibernate3.HibernateTemplate.executeWithNativeSession(HibernateTemplate.java:374) at org.springframework.orm.hibernate3.HibernateTemplate.delete(HibernateTemplate.java:865) at org.springframework.orm.hibernate3.HibernateTemplate.delete(HibernateTemplate.java:859) at de.mycompany.utils.dao.impl.PersistentDaoImpl.delete(PersistentDaoImpl.java:50) at de.mycompany.utils.service.ServiceImpl.delete(ServiceImpl.java:68) 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.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:307) at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:182) at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:149) at de.mycompany.utils.service.ServiceInterceptor.invoke(ServiceInterceptor.java:43) at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:171) at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:204) at $Proxy3.delete(Unknown Source) ... 14 more Caused by: org.hibernate.ObjectNotFoundException: No row with the given identifier exists: [de.mycompany.domain.ResultObject#810b1334-32d3-02b0-e044-769e0ab48e48] at org.hibernate.impl.SessionFactoryImpl$2.handleEntityNotFound(SessionFactoryImpl.java:409) at org.hibernate.proxy.AbstractLazyInitializer.checkTargetState(AbstractLazyInitializer.java:108) at org.hibernate.proxy.AbstractLazyInitializer.initialize(AbstractLazyInitializer.java:97) at org.hibernate.proxy.AbstractLazyInitializer.getImplementation(AbstractLazyInitializer.java:140) at org.hibernate.engine.StatefulPersistenceContext.unproxyAndReassociate(StatefulPersistenceContext.java:594) at org.hibernate.event.def.DefaultDeleteEventListener.onDelete(DefaultDeleteEventListener.java:90) at org.hibernate.event.def.DefaultDeleteEventListener.onDelete(DefaultDeleteEventListener.java:74) at org.hibernate.impl.SessionImpl.fireDelete(SessionImpl.java:793) at org.hibernate.impl.SessionImpl.delete(SessionImpl.java:778) at org.springframework.orm.hibernate3.HibernateTemplate$26.doInHibernate(HibernateTemplate.java:871) at org.springframework.orm.hibernate3.HibernateTemplate.doExecute(HibernateTemplate.java:419) ... 30 more And my versions: Hibernate: 3.3.1 Spring: 2.5.6 Thanks in advance! Felix

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  • Flex remoting and progress events?

    - by Cambiata
    Is there a way to monitor the loading progress (percent progress bar style) when using Flex remoting? I'm trying out Flash Builder 4 with it's new data services features, but I can't find any pgrogress event stuff somewhere. This article by Robert Taylor http://www.roboncode.com/articles/144 indicates that it might not be possible...

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  • DataGrid - launch JS function on ItemDataBound

    - by Faruz
    Is there any way to launch a JS function after a dataGrid launches its ItemDataBound event? I've tried adding a JS block to the ItemDataBound function like: protected void itemDataBound (e sender, arguments args) { ClientScript.RegisterStartupScript(typeof(string),"test","alert('testing');",true); } but it did nothing. Am I missing something?

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  • Colorbox class don't work with ajax/dom object

    - by almal
    i usually use colorbox tool for open "popup windows" in my page and all are fine. In my new project the situation is little different because i use js/ajax/dom for create dinamically my objects in handleRequestStateChange() function. After import js,jquery and css for colorbox, in the head of my js page i write: $(document).ready(function () { $(window).scroll(function () { //oP1 = document.createTextNode(posizione_menu.offsetTop); //divIpt.appendChild(oMtx1); $(".divHcss").css("position", "fixed").css("top", "0px").css("z-index", "999"); }); //Examples of how to assign the Colorbox event to elements $(".group1").colorbox({rel:'group1'}); $(".group2").colorbox({rel:'group2', transition:"fade"}); $(".group3").colorbox({rel:'group3', transition:"none", width:"75%", height:"75%"}); $(".group4").colorbox({rel:'group4', slideshow:true}); $(".ajax").colorbox(); $(".youtube").colorbox({iframe:true, innerWidth:640, innerHeight:390}); $(".vimeo").colorbox({iframe:true, innerWidth:500, innerHeight:409}); $(".iframe").colorbox({iframe:true, width:"80%", height:"80%"}); $(".inline").colorbox({inline:true, width:"50%"}); $(".callbacks").colorbox({ onOpen:function(){ alert('onOpen: colorbox is about to open'); }, onLoad:function(){ alert('onLoad: colorbox has started to load the targeted content'); }, onComplete:function(){ alert('onComplete: colorbox has displayed the loaded content'); }, onCleanup:function(){ alert('onCleanup: colorbox has begun the close process'); }, onClosed:function(){ alert('onClosed: colorbox has completely closed'); } }); $('.non-retina').colorbox({rel:'group5', transition:'none'}) $('.retina').colorbox({rel:'group5', transition:'none', retinaImage:true, retinaUrl:true}); //Example of preserving a JavaScript event for inline calls. $("#click").click(function(){ $('#click').css({"background-color":"#f00", "color":"#fff", "cursor":"inherit"}).text("Open this window again and this message will still be here."); return false; }); }); and after in handleRequestStateChange() i create my a element and assign to a div: var a = createElement('a'); //a.style.display = "block"; a.setAttribute('class','iframe'); a.setAttribute('href',"php/whois.php?P1="+oStxt.value); var divIp3 = createElement('div', 'divIp3', 'divIp3css'); var divIp31 = createElement('div', 'divIp31', 'divIp31css'); divIp3.appendChild(divIp31); divIp3.appendChild(a); a.appendChild(divIp31); The divIp31 become linkable but the href open page in a normal browser tab and not using attribute class for colorbox. Someone have an idea about? Thanks in advance AM

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  • Treeview drag and drop

    - by David Thorisson
    I'm using the jQuery droppable/dragable to reorder a treeview (made up of ul/li items) I have no problems making a element and dragging it into the tree When I define the items to be draggable, the code doesn´t work any more (the items are classed as "droppables" but the drop event won´t run) Isn't this supposed to be possible?

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