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  • Swt combobox name/key pair

    - by zachary
    I want to have the text say one thing, but have the value say another Text Key But it only takes a string for adding items. How do Java programmers typically store text/id pairs in comboboxes

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  • how to access owl file inside jsp

    - by Udayanga
    hi, I'm trying to access owl file using jsp.I've successfully load the owl file and quering that using SPARQL.But still I couldn't success with JSP. I'm always getting error "java.lang.ClassNotFoundException: com.hp.hpl.jena.util.FileManager " help me! Thank in advance!

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  • How to get short month names in Joda Time?

    - by Mr Morgan
    Hello Does anyone know if there's a method in Joda Time or Java itself which takes either an int or a String as an argument, e.g. 4 or "4" and gives the name of the month back in short format, i.e. JAN for January? I suppose long month names can be truncated and converted to upper case. Thanks Mr Morgan.

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  • Splitting integers in arrays to individual digits

    - by Neville
    hello all. I have an array: int test[]={10212,10202,11000,11000,11010}; I want to split the inetger values to individual digits and place them in a new array as individual elements such that my array now is: int test2[]={1,0,2,1,2,1,0,2,0,2,1,1,0,0,0,1,1,0,0,0,1,1,0,1,0}; How would i go about doing that? I'm doing this in java. Thank you.

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  • Is Collections.shuffle suitable for a poker algorithm?

    - by Kovu
    Hi, there is a poker-system in java, that uses Collections.shuffle() on all available cards before the cards are dealt. So a collection of 52 cards 2-9, J, Q, K, A in 4 types. After that we Collections.shuffle(). The problem is, that it seems (until now we didn't have big statistic, it's possible that we only see a lot of statistic inferences), that the algorithm is VERY unclearly. So, is Collections.shuffle() okay for a poker algorithm?

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  • JBoss JDBC warning - "Unable to fill pool"

    - by Marcus
    We're getting this random warning from JBoss.. any idea why? It happens at random times when there are no active threads. Everything works when any processing resumes. 13:49:31,764 WARN [JBossManagedConnectionPool] [ ] Unable to fill pool org.jboss.resource.JBossResourceException: Could not create connection; - nested throwable: (java.sql.SQLException: Listener ref used the connection with the following error: ORA-12516, TNS:listener could not find available handler with matching protocol stack The Connection descriptor used by the client was: //localhost:1521/orcl

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  • How to see if an object is an array?

    - by edbras
    How can I see in Java if an Object is an array without using reflection? And how can I iterate through all items without using reflection? I use Google GWT so I am not allowed to use reflection :( I would love to implement the following methods without using refelection: private boolean isArray(final Object obj) { ??.. } private String toString(final Object arrayObject) { ??.. } BTW: neither do I want to use Javascript such that I can use it in non-GWT environments Ed

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  • ITL (iTunes Library) Format

    - by CHiRo79
    I´m developing a Java solution for manage an iTunes Library (ITL file). The ITL format is a propietary one. I'm looking for an implementation or a documentation about ITL format but Google can't find anything useful. Does anyone have experience about that? Where to find more information? Thanks in advance.

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  • Good use of recursion in chess programming?

    - by JDelage
    Hi, As part of a homework assignment, I have to program a simple chess game in Java. I was thinking of taking the opportunity to experiment with recursion, and I was wondering if there's an obvious candidate in chess for recursive code? Thank you, JDelage

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  • By passing active x object while sending request to url?

    - by Burak Dede
    Hi i am trying to login site with request, using username and password , i can succesfully login the user than i want to parse some html and send it to database ,what it return is activex object that i can not do anything(by the way i am using java to do that) ,in order to bypasss the active x object what is your solution? 1-First come to my mind i can write c# application that using internex explorer dll than login user, it parse html and send it to database than i can use data in database

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  • Access modifiers in Object-Oriented Programming

    - by Imran
    I don't understand Access Modifiers in OOP. Why do we make for example in Java instance variables private and then use public getter and setter methods to access them? I mean what's the reasoning/logic behind this? You still get to the instance variable but why use setter and getter methods when you can just make your variables public? please excuse my ignorance as I am simply trying to understand why? Thank you in advance. ;-)

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  • Downloading You tube videos?

    - by lalit
    Hi, I want to download you tube videos programatically (using Java). How can i convert you tube video link to a downloadable URL. Browser plays youtube videos with following code. I tried downloading from URL http://www.youtube.com/v/OdAE3cWlmHw but it is not returning video bytes. Thanks Lalit

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  • Should a Stack have a maximum size?

    - by Sotirios Delimanolis
    I'm practicing my knowledge of ADTs by implementing some data structures, even if most already exist. With Stacks, a lot of books and other documentation I've read talk about the stack throwing an error when you try to add an element but the stack is full. In a java implementation (or any other), should I specifically keep track of a maximum stack size (from constructor), check to see if that size is reached, and throw an overflow exception if it is? Or is not such a big deal?

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  • PreparedStatement alternative within JPA ?

    - by worldpython
    Dear all, I am new to JPA, I used to used prepared statement in JDBC. Is there alternative to be used within JPA ? as there is a query which I call frequently see this for info about prepared statment http://java.sun.com/docs/books/tutorial/jdbc/basics/prepared.html thanks in advance,,,

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  • Is there any reason to prefer UTF-16 over UTF-8?

    - by Oak
    Examining the attributes of UTF-16 and UTF-8, I can't find any reason to prefer UTF-16. However, checking out Java and C#, it looks like strings and chars there default to UTF-16. I was thinking that it might be for historic reasons, or perhaps for performance reasons, but couldn't find any information. Anyone knows why these languages chose UTF-16? And is there any valid reason for me to do that as well?

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  • blobstore upload code not working

    - by Bunny Rabbit
    <body> <form action="<%= blobstoreService.createUploadUrl("/upload") %>" method="post" enctype="multipart/form-data"> <input type="file" name="myFile"> <input type="submit" value="Submit"> </form> </body> the above code throws a java.lang.NoSuchMethodError on compilation.I can't understand and what is blobstoreService in the above code ?

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  • Hash Map Usage and Idea

    - by Anand
    Hi, I have been working in Java for the last 6 months and have been using Hash Maps What is the basic idea of a Hash Map ? I am using it as it easy for me to store so much data with direct key references rather than having to iterate through an arraylist ? Where is the power of Hash Map seen ? What is the scientific idea behind this data structure ?

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  • stored procedures, error #1312, CLIENT_MULTI_RESULTS flag

    - by aadersh patel
    i am writing stored procedures in MySQL that return values; CREATE PROCEDURE getCustomerById (id int) BEGIN SELECT * FROM customer WHERE customer.id = id; END; and i get the error that the results cannot be shown in the given context. after some googling, i think that i need to set the flag "CLIENT_MULTI_RESULTS" - i am connecting the database from JDBC using a java app, but cant find where to set it! any suggestions?

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