Expanding Java Memory-Mapped Byte Buffer
- by geeko
Greetings All,
Is there a way to expand the Java memory-mapped byte buffer such that the new size is reflected back to the mapped file on disk ?
Thank you !
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Search found 46894 results on 1876 pages for 'java native interface'.
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this["var"+"name"] in java
- by Maxim
In AS3 I can write this["foo"] for acces to varible foo. I can construct any string in brackets. Is there a way to do this in Java?Read the article
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implementation of TCP/IP for java-me
- by iamrohitbanga
java-me uses the internet connection of the mobile device to implement network api's. are there any special features in the implementation of tcp/ip protocol stack for mobile devices or the implementation is essentially the same with a little different parameters like buffer space etc. lets take symbian for example.Read the article
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Java - Regular expression question
- by Jacob
I am new to regular expressions. I want to use java's replaceAll() function to replace any CSS comments in a string. Basically I want to use regex to search for anything that is surrounded by "/*" and "*/" and replace it with "".Read the article
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[Java] how to run in background
- by Daeyun
I want my Java program to run in the background. I'm on Windows 7. Do you have any idea? Thanks!Read the article
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Validating input using java.util.Scanner [closed]
- by bhavna raghuvanshi
I'm taking user input from System.in using a java.util.Scanner. I need to validate the input for things like: It must be a non-negative number It must be an alphabetical letter ...etc What's the best way to do this?Read the article
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Java standard library - graph?
- by Amir Rachum
Is there a representation of a graph in Java standard libraries, like there is in the boost library in C++? Is there a graph representation which is a standard in the business?Read the article
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Pagination in Google App Engine with Java
- by newbie
I need to create simple pagination of objects, but when I read manual I found out that query.setRange(5, 10); will fetch 10 objects, even when only 5 objects are needed. Is there anyway to fetch just needed objects? EDIT: I started bounty, so fi you can show me simple example code in Java that works, then I will accept you answer.Read the article
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Refreshing data in a java.sql.ResultSet
- by llm
I have a java.sql.ResultSet object containg data from a query that was run. How do I refresh the data in the ResultSet to reflect the current data in the database? Thanks!Read the article
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performSelectorOnMainThread equivalent in Java for Android
- by Daniel A. White
I have an iPhone application and I am porting it over to Android. I have a service/controller that spawns new threads to perform some network tasks. I use performSelectorOnMainThread in my iPhone app. How can I have my Java app do the same or similar thing?Read the article
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Using java to create a webbrowser
- by prasad
Is it possible to use Java to build a webbrowser like Internet Explorer that will open all the web pages and display all the contents?Read the article
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Creating an instance of a subclass extending an abstract class (Java)
- by dacay
In Java, is there any way to create an instance of any class that extends abstract class A, inside a member method of class A? Classes that extends abstract class A will return their instances with this method, but i don't want to implement same method in all subclasses with a "return this();" kind line.Read the article
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Need example of Java Client Destop App consuming Two-way SSL Secured webservcie
- by Rick
I'm looking for an example of a java desktop application that consumes a Two-way SSL secured web service. Any tutorials or examples would be great, especially if they are based on the Eclipse IDE. Thanks.Read the article
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Java socket programming header
- by Andy
Hi, I am trying to send a file through a java socket and receive it through another. However, this happens: Send Content: /* This is simply a file to transfer */ Received: ¨ÌRead the article
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Changing the default Windows language with Java application
- by nedjma
Can I change the default language of my host system (Windows XP) with a Java application? If yes, how I can do it?Read the article
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Extending a Java Swing class in Clojure
- by mikera
I'm trying to extend a Java Swing component in Clojure, i.e. I want to extend a javax.swing.JComponent and add some custom methods implemented in pure Clojure in addition to all the standard inherited methods. I've tried using "proxy" which works great if I just want a single instance (in the same way as an anonymous inner class). However I'd really like a named class so that I can generate an arbitrary number of instances. What's the recommended way of doing this?Read the article
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Why do people run Java GUI's on the Event Queue
- by asmo
In Java, to create and show a new JFrame, I simply do this: public static void main(String[] args) { new JFrame().setVisible(true); } However, I have seen many people doing it like this: public static void main(String[] args) { EventQueue.invokeLater(new Runnable() { public void run() { new JFrame().setVisible(true); } }); } Why? Are there any advantages?Read the article
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Java Swing - good idea?
- by Mike
hi, simple question : I need to write cross platform application (basically CRUD). Is usage of Java Swing good idea? Or is it out-dated and you know better solution? I dont want to use like 5 languages for various stuff, one or two should be enough. Thanx!Read the article
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Is it worth learning C# or Java in 2010
- by Dhawal
We are in web era standalone applications are almost gone everyone wants their internet application to run inside browser, programming languages like Ruby, Python and scala are becoming more and more mainstream. Sometimes I wonder what these programming language offer which make them top choice of IT companies, if I plan to become a freelance web developer is it worth learning C# or Java. I read beginner's book for both of them, but to master any of them require some time investment.Read the article
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Initializing an array in Java using the 'advanced' for each loop
- by Corleone
Is it possible to initialise an array in Java using the 'advanced' for loop? e.g. Integer[ ] numbers = new Integer[20]; int counter = 0; for ( Integer i : numbers ) { i = counter++; } for ( Integer i : numbers ) { System.out.println(i); } This prints all nulls, why is that?Read the article
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How to use a java scoket in tapestry5?
- by shane87
How do I implement a java socket in tapestry5? Should it go in the services sub-package? if so how do i use it?Read the article
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Any book for developing ecommerce website in Java
- by Mirage
I have seen that there many books titled 1)Build Ecommerce website in php 2)Build shopping cars in php or asp.net Is there any book which explains from scratch how to start building a website in java using any frame work or with servlets or jsp like 1)Basic form with logins and registration 2)building catalogue system 3)Building shopping cart 4)Building newletters system So i can strat reading itRead the article
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Creating a simple java hash server
- by Blankman
Is it possible to create a simple server in Java that returns a response based on a given key? So it would be a simple program, that stores a hashmap and returns the result based on a key provided by the client. What would be the fasted implementation, to have it over HTTP or a socket? The client will be a web based application.Read the article
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Assertion in Java?
- by Praveen Chandrasekaran
what is assert keyword in java? tell me some real time example to understand the key role of the assertion's need?Read the article
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a good Java guide
- by Lo'oris
Do you know a good guide for Java, such as "dive into python" for python? If I searched google I expect I would find tons of random guides, but trying them all until I found a good one could take ages... that's why I am asking: do you already know one in particular? one you KNOW is good? I already know C, PHP and a bit of Python, if that matters.Read the article
