Tagged Questions

Java is an object-oriented language and runtime environment (JRE). Java programs are platform independent because the program execution is handled by a Virtual Machine called the Java VM or JVM.

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Accesing SimpleCursorAdapter from all methods

Hoping this is a simple one, I am trying to set a 'SimpleCursorAdapter' object variable within my class so that all of the methods can access it, all very standard stuff. At the moment I'm getting ...
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Multi-Threading & Google App Engine Servlets

On Google App Engine (GAE) it is possible for frontend instances to create up to 10 threads to maximize throughput. According to this page, such multi-threading can be accomplished as follows: ...
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How to override a loop fetching messages in a method

I have a Bluetooth server receiving data from a client, a mobile phone. The code I'm using looks the following @Override public void run() { try { this.localDevice = ...
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IntelliJ IDEA 12 - Android GUI designer doesn't successfully change app theme

The Android GUI designer in IntelliJ has a dropdown for selecting "Framework themes". The problem is, changing it has no effect on what shows up in the emulator when I test my app. No matter what is ...
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3answers
24 views

Using user-inputted characters in If/Switch statements

I am taking my first Java class, and am having a hard time finishing this assignment. The assignment itself is quite simple. All I have to do is prompt the user to input an integer, a character, then ...
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1answer
10 views

Displaying a series of pictures (JPanels with images) in a horizontal sequence

I have been looking for a way to display images on a JPanel in a grid-like fashion, and came across this solution. The code works very well but when I attempted to modify it by using jpg images ...
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16 views

WifiManager gets paused

I run my service with AlarmManager repeatedly and I'm facing a strange situation. Sometimes my service is paused when it's trying to do a WifiLock. After this situation, the rest of the code isn't ...
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0answers
5 views

Is it possible to track file poiter (document position) with XML API?

I want to index XML file by IDs of its main level entries. I plan to parse entire document, extract ID from entry and index it (remember file position of opening tag < and position of closing tag ...
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1answer
17 views

XmlHttpRequest status=0

I have this ajax call from a javascript file and I want to pass as a parameter the id of the user that I want to delete: function eliminaUtente(id,nome){ if (confirm("Sei sicuro di voler eliminare ...
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1answer
17 views

JTabbedPane Component takes up entire window

I'm new to Java and the entire swing development. I'm working on a Window with three tabs and adding each component to those tabs. I started by adding a textfield to the 3rd tab, but it's taking up ...
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1answer
23 views

How to pass unicode VM arguments with eclipse?

I'm not able to read unicode strings passed as VM arguments, if I launch the process from Eclipse IDE. For example: ArrayList<String> commands = new ArrayList<>(); commands.add("java"); ...
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2answers
40 views

Getting attributes values from XML in Java

I am trying to parse some data from the following site, to an Android App which I am creating TFL Tube Data The data in this feed is constantly updated and can hold anything from nothing to 15/16 ...
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Spring MVC - Dynamic Error Handling Page

Is there a way to handle all possible error codes while still passing the code to my .jsp? Here I have a single error-page passing 404 where it is added to the model. Rather than adding an error-page ...
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1answer
48 views

Array doesn't work read cant explain too much too explain

Wrote a program to validate the amount of seats adjacent in a row. The seats are either booked or available, represented by 0 or 1. The program works for the most part. If the desired amount of seats ...
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1answer
21 views

frame.repaint() not working properly

I am trying to make a Java application which on Clicking a button, displays random colors in the Panel for a particular time duration. But my problem is that after clicking the button the color of ...

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