As a result your property file will be copied at the root of your packaged jar.

sudo update-rc.d -f SERVICE_NAME remove

where SERVICE_NAME is the name of the service to remove, e.g. vsftpd.

More info on the topic: http://www.unixtutorial.org/2009/01/disable-service-startup-in-ubuntu/

Run sudo update-java-alternatives -s XXXX to set the XXX java version as default.
For Sun Java 6 this would be sudo update-java-alternatives -s java-6-sun

Run java -version to ensure that the correct version is being called.

Source: https://help.ubuntu.com/community/Java

find . -name ".svn" -exec rm -rf {} \;

From Java 1.6.

Thus you were probably quite frustrated when seeing that a GWT (Google Web Toolkit) client cannot send other requests than POST or GET.
Well here is the solution:

public class RequestBuilderForAnyHTTPMethodTypeExample extends RequestBuilder {

/**
* Constructor that allows a developer to override the HTTP method
* restrictions imposed by the RequestBuilder class. Note if you override the
* RequestBuilder's HTTP method restrictions in this manner, your application
* may not work correctly on Safari browsers.
*
* @param httpMethod any non-null, non-empty string is considered valid
* @param url any non-null, non-empty string is considered valid
*
* @throws IllegalArgumentException if httpMethod or url are empty
* @throws NullPointerException if httpMethod or url are null
*/
public RequestBuilderForAnyHTTPMethodTypeExample(String httpMethod, String url) {
super(httpMethod, url);
}


i.e. simply subclass the RequestBuilder

Source: (see the bottom of the page).

I was retrieving a JSON object in the GWT (Google Web Toolkit) and putting its Java representation in a HashMap. The only problem is that I could never find it again by referring to its key which I also extracted from JSON object. Here is why:

currentCons.get("URI").isString().toString()

Is actually not returning the String representation of a JSONString object but the quoted representation of that String: e.g. “key” and not key. It was in the API but it took me a while to figure it out…

The solution is:

currentCons.get("URI").isString().stringValue();

Which gets what I wanted, i.e. the String representation without the quotes.

How not to use iterators:


while(views.iterator().hasNext()) {
View currentView = (View) views.iterator.next();
currentView.update();
}


Bing that basically crashed my Firefox (this is part of a GWT app) when running it as well as my Netbeans / GWT debugger. Notice that Firefox was so good to tell me that apparently the script I was running in a weird manner.

And it was indeed in an endless loop as you can guess: invoking the iterator() method returns a new Iterator object every time (which it is supposed to do, I’m the dumb one in that story). Thus, I was basically getting the same “next()” object every time and hasNext() was thus always true

Anyway that fixes it:


Iterator viewsIt = views.iterator();
while(viewsIt.hasNext()) {
View currentView = (View) viewsIt.next();
currentView.update();
}


Ok that was a trivial one, but actually so trivial that I just felt like shaming me a little more and publishing it here