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  • JOptionPane to appear on selected JCheckBox

    - by Venno
    Hi all I am having some difficulties with adding a joptionpane in JcheckBox listener public void itemStateChanged(ItemEvent evt) { if(evt.getStateChange() == ItemEvent.SELECTED){ ///some code JOptionPane.showMessageDialog(null, "Message", "Alert", JOptionPane.INFORMATION_MESSAGE); } } so it works fine,but the problem is that the JCheckBox gets selected and immediately deselected how can I manage to fix this ? Cheers

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  • Upgrading RAD JDK Version to 1.6

    - by Deena
    Hi, I am using RAD for development. For my application i need to upgrade my JDK compliance to 1.6 from 1.4. I have installed jdk 1.6 and added it to my installed JRE's. Now in the JDK compliance still 1.4 is shown, what should be done to set the JDK compliance to 1.6? Thanks in advance. Cheers, Deena

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  • lwjgl 101: How can I write applets?

    - by Vuntic
    I have a working app in lwjgl. It doesn't do much yet; I've just started, but it does compile and run like it's supposed to. I want to make it into an applet. I've followed the guide here, and I have an applet that runs nicely and displays text and such in the applet area and can access the functions of lwjgl (like Sys.alert), but I can't figure out how to get opengl to actually render. I've tried extending an AWTGLCanvas and calling this.add(myAWTGLCanvas), where this is the Applet that I'm using, but... nothing. The initGL() and paintGL() methods never get called. I wonder if I'm supposed to be doing something with Display, but that's not for applets, right? Help? Also: This counts as a "beginner" question, right? Edit: Here's a simplified version of what I have.

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  • Sending Email with attachment, sends a blank file.

    - by pankaj
    I am using this code: File myDir = new File(getApplicationContext().getFilesDir().getAbsolutePath()); try { Log.i("CSV Testing ", "CSV file creating"); FileWriter fw = new FileWriter(myDir + "/myfile.csv"); // // write data to file // Log.i("CSV Testing ", "CSV file created and your data has been saved"); // Process for sending email with CSV file File CSVFile = new File(myDir,"myfile.csv"); if(CSVFile.exists()) { Log.i("CSV FILE", "CSV file exists"); } else { Log.i("CSV FILE", "CSV file not exists"); } Log.i("SEND EMAIL TESTING", "Email sending"); Intent emailIntent = new Intent(android.content.Intent.ACTION_SEND); emailIntent.setType("text/csv"); emailIntent .putExtra(android.content.Intent.EXTRA_EMAIL, new String[]{"myemailid"}); emailIntent .putExtra(android.content.Intent.EXTRA_SUBJECT, "my subject"); emailIntent .putExtra(android.content.Intent.EXTRA_TEXT, "_____________\n Regards \n Pankaj \n ____________ "); emailIntent.putExtra(Intent.EXTRA_STREAM, Uri.parse("file://" + CSVFile.getAbsolutePath())); emailIntent.setType("message/rfc822"); // Shows all application that supports SEND activity try { startActivity(Intent.createChooser(emailIntent, "Send mail...")); } catch (android.content.ActivityNotFoundException ex) { showMSG("There are no email clients installed."); } Log.i("SEND EMAIL TESTING", "Email sent"); } catch (FileNotFoundException e) { Log.i("ExportCSV Exception", e.toString()); } catch (IOException e) { Log.i("ExportCSV Exception", e.toString()); } But it sends myfile.csv as a blank file. I checked it from file explorer, where myfile.csv is not blank and contains right data. How can I solve this?

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  • Draw a JButton to look like a JLabel (or at least without the button edge?)

    - by Electrons_Ahoy
    I've got a JButton that for various reasons I want to act like a button, but look like a JLabel. It doesn't actually have to be a JLabel under the hood, I just don't want the raised button edge to show up. Is there an easy way to turn off the "button look" for JButtons but keep all the button functionality? I could build some kind of composed subclass hyperbutton that delegated to a jlabel for display purposes, but I'm really hoping there's something along the lines of button.lookLikeAButton(false).

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  • Jar dependencies to use jetty httpclient

    - by Alfred
    Hi all, I want to use the jetty httpclient(in netbeans) but have the least number of jar dependencies. I know I can import all jars from the jetty lib folder to my project but I would like to know what the minimum number of dependencies are and how you did find this out? Our there tools to find jar dependencies?

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  • Best way to access database from android

    - by Brandon Delany
    I am working on a Android app and I have a dilemma. I have a list of Objects. I have to update each of these objects with a database. I have 2 methods: Method 1: I can loop through the Objects. For each object I can connect to the server, update it, and then move on to the next Object, and so forth. Method 2: I can store the Objects in a list, send the whole list to the server, update it on the server side, then return a list of updated objects. My questions are: Which method is faster? Which method is easier on the phone's battery? By the way, Method 1 is easier for me to code :). Thank you.

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  • Hibernate generate POJOs with Equals

    - by jschoen
    We are using hibernate in a new project where we use the hibernate.reveng.xml to create our *.hbm.xml files and POJOs after that. We want to have equals methods in each of our POJOs. I found that you can use <meta attribute="use-in-equals">true</meta> in your hbm files to mark which properties to use in the equals. But this would mean editing alot of files, and then re-editing the files again in the future if/when we modify tables or columns in our DB. So I was wondering if there is a way to place which properties to use in the equals method for each pojo(table) in the hibernate.reveng.xml file?

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  • Perf4J Graph Output from Log File

    - by manyxcxi
    I currently have a long running process that I am trying to analyze with Perf4J. I currently have it writing results in CSV format to its own log file using the AsyncCoalescingStatisticsAppender and a StatisticsCsvLayout on the file appender. My question is; when I try and use the --graph option from the command line (using the perf4j jar) it isn't populating the data points- it isn't populating anything. Are my appenders set incorrectly? The log file contains hundreds (sometimes thousands) of data points of about 10 different tag names. <appender name="perfAppender" class="org.apache.log4j.FileAppender"> <param name="File" value="perfStats.log"/> <layout class="org.perf4j.log4j.StatisticsCsvLayout"> </layout> </appender> <appender name="CoalescingStatistics" class="org.perf4j.log4j.AsyncCoalescingStatisticsAppender"> <!-- The TimeSlice option is used to determine the time window for which all received StopWatch logs are aggregated to create a single GroupedTimingStatistics log. Here we set it to 10 seconds, overriding the default of 30000 ms --> <param name="TimeSlice" value="10000"/> <appender-ref ref="ConsoleAppender"/> <appender-ref ref="CompositeRollingFileAppender"/> <appender-ref ref="perfAppender"/> </appender>

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  • Why does XPath.selectNodes(context) always use the whole document in JDOM

    - by Simeon
    Hi, I'm trying to run the same query on several different contexts, but I always get the same result. This is an example xml: <root> <p> <r> <t>text</t> </r> </p> <t>text2</t> </root> So this is what I'm doing: final XPath xpath = XPath.newInstance("//t"); List<Element> result = xpath.selectNodes(thisIsThePelement); // and I've debuged it, it really is the <p> element And I always get both <t> elements in the result list. I need just the <t> inside the <p> I'm passing to the XPath object. Any ideas would be of great help, thanks.

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  • Issues Deploying ROOT Context in Tomcat6

    - by Josh K
    I'm working on getting an application deployed to the ROOT ("/") context in my Tomcat 6 instance. Here's what has been done: Defined another virtual host (domain.com) Created the respective folder (/etc/tomcat6/Catalina/domain.com) Set it to auto deploy WAR's Set appBase to CATALINA_BASE/domainapps and created respective folder Copied manager.xml from localhost to domain.com. Now I'm trying to deploy into the ROOT context by uploading a ROOT.war to CATALINA_BASE/domainapps. This isn't working. I don't get any exceptions thrown, but the stock ROOT page ("It works !") stays up. I have successfully deployed it into another context (by uploading domainapp.war and viewing at /domainapp), but not ROOT. Re-reading the Virtual Host setup it makes reference to CATALINA_HOME and CATALINA_BASE. My CATALINA_HOME is at /usr/share/tomcat6/domainapp while CATALINA_BASE is /var/lib/tomcat6. Which should I be using for what? Currently haven't touched CATALINA_HOME but will try messing with a few things there. A better question might be what is the generally accepted flow taken to setup a new Tomcat instance and deploy an application to the root context.

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  • Updating gzip library in jre

    - by Sarmun
    Is there a way to update gzip library that JRE uses? There is a bug in gzip library that is used by latest JRE, and it has been fixed in later version of gzip library, so I would like to make latest JRE work by updating just gzip.

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  • Initialization of an ArrayList in one line.

    - by Macarse
    I am willing to create a list of options to test something. I was doing: ArrayList<String> places = new ArrayList<String>(); places.add("Buenos Aires"); places.add("Córdoba"); places.add("La Plata"); I refactor the code doing: ArrayList<String> places = new ArrayList<String>(Arrays.asList("Buenos Aires", "Córdoba", "La Plata")); Is there a better way of doing this? Thanks for reading!

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  • append files to an archive without reading/rewriting the whole archive

    - by bene
    I've got many files that I want to store in a single archive file. My first approach was to store the files in a gzipped tarball. The problem is, that I've to rewrite the whole archive if a single file is added. I could get rid of the gzip compression, but adding a file would still be expensive. What other archive format would you suggest that allows fast append operations?

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  • Message Queue with 'Message Barrier' Feature?

    - by Lajos Nagy
    Is there a message queue implementation that allows breaking up work into 'batches' by inserting 'message barriers' into the message stream? Let me clarify. No messages after a message barrier should be delivered to any consumers of the queue, until all messages before the barrier are consumed. Sort of like a synchronization point. I'd also prefer if all consumers received notification when they reached a barrier. Anything like this out there?

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  • Possible loss of precision; extracting char from string

    - by Troy
    I am getting a string from the user and then doing some checking to make sure it is valid, here is the code I have been using; char digit= userInput.charAt(0) - '0'; This had been working fine until I did some work on another method, I went to compile and have been receiving a 'possible loss of precision' error since then. What am I doing wrong?

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  • Custom Key Bindings in SWT

    - by Dimitar
    Hey all, Is it at all possible to add custom key bindings to buttons in SWT? I can't use & in the text of the button to set a mnenomic because my buttons have no text (only an image). Is there a good way to do this using key listeners or is there something like the input/action map in swing? Thanks in advance.

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  • XML strings in JAXB

    - by OOO
    I have a JPA entity class mimicking a table. Something like this: @XmlType(name="MyClassElementType") public class MyClass { String name; String xmlDesc; public MyClass() {} @XmlElement String getName() { return name; } void setName(String name) { this.name = name; } @XmlElement String getXmlDesc() { return xmlDesc; } void setXmlDesc(String xmlDesc) { this.xmlDesc = xmlDesc; } } In a Jersey REST get call I'm trying to return this class: @Get @Produces("application/xml") public MyClass get() { return myClass; } Now I'm expecting the already xml string(xmlStr) to be returned as is, but Jersey/JAXB escapes it... So anyway around this?

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  • How should I read from a buffered reader?

    - by Roman
    I have the following example of reading from a buffered reader: while ((inputLine = input.readLine()) != null) { System.out.println("I got a message from a client: " + inputLine); } The code in the loop println will be executed whenever something appears in the buffered reader (input in this case). In my case, if a client-application writes something to the socket, the code in the loop (in the server-application) will be executed. But I do not understand how it works. inputLine = input.readLine() waits until something appears in the buffered reader and when something appears there it returns true and the code in the loop is executed. But when null can be returned. There is another question. The above code was taken from a method which throws Exception and I use this code in the run method of the Thread. And when I try to put throws Exception before the run the compiler complains: overridden method does not throw exception. Without the throws exception I have another complain from the compiler: unreported exception. So, what can I do?

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  • Reading annotation property in aspect

    - by Lukasz Koniecki
    How to read annotation property value in aspect? I want my Around advice to be executed for all joint points annotated with @Transactional(readonly=false). @Around("execution(* com.mycompany.services.*.*(..)) " + "&& @annotation(org.springframework.transaction.annotation.Transactional)") public Object myMethod(ProceedingJoinPoint pjp) throws Throwable { }

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