Convert our app from java version 6 to 5,
Hi guys, Is there any solution through which I can convert java'a higher application, created in netbeans IDE 6.5.1, into lower version of java version 5. ...
java
What is the disadvantage of DWR?
While using DWR in a intranet, will disadvantages like perfomance or security issues occur? Direct web remoting is a tool which uses Ajax request to contact a server from a js file. ...
Fastest way to iterate in Java
In Java, is it faster to iterate through an array the old-fashioned way, for (int i = 0; i < a.length; i++) f(a[i]); Or using the more concise form, for (Foo foo : a) f(foo); For an ArrayList, is the answer the same? Of course for the vast bulk of application code, the answer is it makes no discernible difference so the mo...
Clientside Javascript --> Serverside Java --> user is served a .doc
I am helping someone out with a javascript-based web app (even though I know next to nothing about web development) and we are unsure about the best way to implement a feature we'd like to have. Basically, the user will be using our tool to view all kinds of boring data in tables, columns, etc. via javascript. We want to implement a fea...
java inner classes filenames too long
I'm translating programs of some language to nested java classes. At some point, the level of nesting becomes so deep that I get: compiling Test.javaTest.java:5179: error while writing : Test$2...$1.class (File name too long) where ... is a long string. I'm using an ext3 filesystem, so i'm limited to 256 character long filenames. Also...
Is there a tool for non-developers (translators!) to edit resource bundles?
What we do in our company to let our software be translated by external translators is ... well .. how to put it... cvs co someModule ant translation.export (behind this target there is a self-made ant task, exporting all resource bundles together as one big tab-seperated text file, columns: the different languages, each row all langua...
Is there an equivalent to http://www.pinvoke.net for JNA?
The PInvoke.net site documents PInvoke signatures, user-defined types, and other information that you need to call unmanaged APIs from managed .NET code. Is there a site that does the same for Java's JNA? ...
Java Swing Timer
ActionListener taskPerformer = new ActionListener() { public void actionPerformed(ActionEvent evt) { //...Perform a task... logger.finest("Reading SMTP Info."); } }; Timer timer = new Timer( 100 , taskPerformer); timer.setRepeats(false); timer.start(); According to the documentation...
cryptic comment in jdk source: // HD, Section 2-1
i just stumbled onto this comment. public static int lowestOneBit(int i) { // HD, Section 2-1 return i & -i; } in the 1.5 java source. what does this comment mean? is it a reference to a book? a spec? ...
Are java primitive ints atomic by design or by accident?
Are java primitive integers (int) atomic at all, for that matter? Some experimentation with two threads sharing an int seems to indicate that they are, but of course absence of evidence that they are not does not imply that they are. Specifically, the test I ran was this: public class IntSafeChecker { static int thing; static b...
How can I get a signed Java Applet to perform privileged operations when called from unsigned Javascript?
Signed Java Applets have the same security clearance as a normal Java application running on the client. For a particular project, I need these permissions, and I need to perform privileged operations as a result of a JavaScript call. Now, the problem is that, at least for Firefox 3 in Ubuntu (target browser and platform), when an apple...
How do I show the pound sterling (£) sign in Java Swing?
Currently, I add a pound sterling () sign to the Java source and compile the resulting Swing component shows as the square (unsupported character) symbol. I suspect it's an encoding problem, the Java source file is encoded as cp1252 (Eclipse seems to default to this). What's the correct way of resolving this? ...
Sockets and ObjectInputStreams
I've got two applications running on two different machines that communicate by sending Serializable "Message" objects over Javas Socket implementation. Each one creates a SocketServer, connects to the others server and then the following bits of (pseudo-Java, error and connection details are elided for brevity): Receiving code: while ...
How to use a different version of Java on the command line
OK I have 2 different version of Java install on my machine (CentOS 5), the system defaults to 1.5.0_14 but I need to run a command on the command line with the newer version of Java. How can I pass the newer version in the command line? Sorry this is such a n00b question but I googled and didn't find anything, thanks. ...
what is asp's application object java equivalent?
in asp there's an Application object, which is like the Session but it's shared among all sessions... http://msdn.microsoft.com/en-us/library/ms525360.aspx You can use the Application object to share information among all users of a given application. An ASP-based application is defined as all the .asp files in a virtual directory a...
Modify the OHLC bars in a OhlcSeries
Hi, I need advice on how could I modify the parameters (high, low, close, open) of a data item in a OHLCSeries. Thanks. ...
Separating web server and app server, do both need java?
If we are to separate our web server and app server, would we need java on both machines? I've had one coworker say to install jboss on both machines (seems to defeat the purpose if both machines have app server installed) and another says just install jboss on one and apache on the other (app server/web server). I have the web project...
How do I get a an image to display in JTable in java swing
I have created a jTable and have put an ImageIcon objects in one of the columns. I would like to know how I can get it to display the image rather than the image name as a string. Thanks ...
Difference between Class and Class<?>
What is the difference between a Class and a Class<?> declaration. Class a; Class<?> b; ...
How to create a JButton extension with rounded corners?
This is a continuation of the question "Java rounded Swing JButton". I have searched for an extension of javax.swing.JButton which will inherit all runtime behavior and just override drawing of the corners. Using the code given by noah.w on sun forums page the result looks like this: I'd like to be able to have the same gradient in t...