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• How do I make the main window to react to a table click

  - by Ayelet

  I am a new user of Java swing. I need to be able to create a popup with row info when the user clicks on that row. I managed to incorporate the mouseClick event reaction in my table class, and I have the row info available. But I don't know how to notify the main window about the event so it can display the dialog box/popup box. Can you help me?

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• I am looking for some kind of code by Contracts that I can use with Eclipse

  - by devoured elysium

  I've tried before some Eclipse plugin (I don't remember its name) but it was lacking a lot of features (generics, for example). Is there anything easy to set up that would run on the last version of Java? Thanks

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• Using static variable in android

  - by michael

  Hi, In android, is it recommend to use static variable? E.g, implement a Singleton pattern in Java, I usually do: private static A the_instance; public static A getInstance() { if (the_instance == null) { the_instance = new A(); } return the_instance; } My question is when do that get free by android JVM? Thank you.

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• Run Jar in Background on Linux

  - by Benny

  I have a jar that runs forever (infinite loop with socket listening thread) and need it to run in the background at all times. An example would be: "java -jar test.jar" How do I do this? Thanks in advance!

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• Is There any Javax.comm third party solution for Vista and for Freebsd?

  - by Walther

  I need to access the Serial Ports with Java in Windows Vista and FreebSD is there any third party Solution to do that? I understand Sun doesn't have a solution for that

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• Detect and remove noise text

  - by yox

  Given a database table with lots of data in it, what is the best practice to remove noise text? I want to detect and remove strings like: fghfghfghfg qsdqsdqsd rtyrtyrty I'm using Java.

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• UML Diagram Tool - Eclipse plug in?

  - by KP65

  Can anyone help me? I am currently using eclipse java ide, and would like a plug-in that will automatically look at my classes and draw up a class diagram in UML. any suggestions?

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• JVM hs_err.log not being generated on Linux

  - by halfwarp

  Hello, I'm currently having some issues with a Java application I'm developing. Namely the JVM is crashing with a segfault. I'm trying to locate the hs_err.log file which should contain some helpful info about the issue. However, I can't find this file. I've used find, locate, etc, and nothing. Any ideas on why the log file isn't being generated?

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• android get URL path

  - by Tom91136

  I've got a string: public://imageifarm/3600.jpg How can I extract the imageifarm/3600.jpg Part out using android? What I've tried so far: URL drupalQuestionNodeImageURI = new URL("public://imageifarm/3600.jpg"); Log.d("TAG", drupalQuestionNodeImageURI.getPath()); but it throws this exception: 09-16 17:24:39.992: W/System.err(3763): java.net.MalformedURLException: Unknown protocol: public How can I solve this? I know I can use regular expressions but that seems to defeat the purpose of URL(URI) in this case.

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• Hot to get the fields in an Object via reflection?

  - by Apps

  I have an object (basically a VO) in Java and I don't know its type. I need to get values which are not null in that object. How can this be done?

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• Last substring of string

  - by javaguy

  In java we have indexOf and lastIndexOf. Is there anythink like lastSubstring? It should work like : "aaple".lastSubstring(0, 1) = "e";

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• How to identify which server side script language is using with a web site?

  - by Leo

  How to identify which server side script language was used with a web site? Asp.Net? PHP? RoR? Java? or other? For example, Which server side script language was used with stackoverflow.com?

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• Searching for a standalone JSP compiler

  - by jacksparrow2012

  I'm searching for a tool, which compiles a JSP file into a Java file without using a servletcontainer like Tomcat or something else. Can anyone help me out?

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• Create a dataset: extract features from text documents (TF-IDF)

  - by BigG

  I've to create a dataset from some text files, writing them as vectors of features. Something like this: doc1: 1,0.45 6,0.001 94,0.1 ... doc2: 3,0.5 98,0.2 ... ... each position of the vector represent a word, and the score is given by something like TF-IDF. Do you know some library/tool/whatever for this? (java is better)

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• Difference between a Deprecated and Legacy API?

  - by Vaibhav Bajpai

  I was studying the legacy API's in the Java's Collection Framework and I learnt that classes such as Vector and HashTable have been superseded by ArrayList and HashMap. However still they are NOT deprecated, and deemed as legacy when essentially, deprecation is applied to software features that are superseded and should be avoided, so, I am not sure when is a API deemed legacy and when it is deprecated.

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• Annotate anonymous inner class

  - by Scobal

  Is there a way to annotate an anonymous inner class in Java? In this example could you add a class level annotation to Class2? public void method1() { add(new Class2() { public void method3() {} }); }

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• Get the number of packages transmitted per connection

  - by Daniel

  How do I get the number of packages transmitted per TCP connection? I am using Java, but i know I will have to fetch the number from the underlying OS, so this quastion applies to Linux and Windows operating systems and will have different answers for each of them, I assume. I need this information to profile the network load of an application which seems to send too many small packages by flushing the socket streams too often.

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• Connection reset SQLException with jetty

  - by robinmag

  Hi, I've switched my webserver from tomcat to jetty and encounter a "java.sql.SQLException: Io exception: Connection reset" when back from idle time (eg. i go out for a while) :( This issue doesn't appear when i use tomcat. Does it come from jetty or i've done something wrong ? Thank you!

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• best software synthesizer for piano

  - by pianoman

  Could someone recommend a good and inexpensive software synthesizer which generates really good piano sound (sample-based); support for other instruments is not required. OS: Windows or MacOS. Java interface would be a great asset.

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• javax.crypto AES encryption - Do I only need to call doFinal?

  - by Spines

  I want to do AES CBC encryption in Java. I'm using javax.crypto. After I have the Cipher initialized, do I only need to call doFinal on the clear bytes to properly encrypt it? Or do I need to do something with update? Documentation says update: Continues a multiple-part encryption or decryption operation and doFinal Encrypts or decrypts data in a single-part operation, or finishes a multiple-part operation what exactly do they mean by multiple-part encryption?

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• What's the fundamental of computing? [closed]

  - by dani3lcara

  I’d like to know about the computer science. Is that a science or art ?Then what about the Information Technology ? What can be computed and What cannot be computed ? and I'd like to know about the Legal java code.

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• In 0-based indexing system, do people call the element at index 0 the "first" or the "zeroth" elemen

  - by polygenelubricants

  In Java/C++, for example, do you casually say that 'a' is the first character of "abc", or the zeroth? Do people say both and it's always going to be ambiguous, or is there an actual convention?

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• JBoss 5.1.0 (JSF/Seam) cookies blowing up with accented characters

  - by user283680

  I cannot see this behavior in JBoss 4.2.3. If I try to call addCookie() on HttpServletResponse and my cookie value has accented characters in it (ex. ç) I get this exception: java.lang.IllegalArgumentException: Control character in cookie value, consider BASE64 encoding your value Does anyone know what change in JBoss 5.1.0 could be causing these problems?

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• Multi language testing framework

  - by santiiiii

  I need to write two versions of the same application, one in .NET and the other one in Java. So I'd like to write a single test suite, and then use it against both codebases. Which testing tool would you advise me to use?

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• MVC architecture example using JSF 2.0 and EJB 3?

  - by nebiros

  Somebody knows an example of this? an application made with JSF 2.0 and EJB 3? directory structure, etc, those kind of things, I’m trying to approach the best way to create a Java EE app using those technologies.

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