Guide how can you install R and RStudio on Ubuntu linux and how to fix problems with JAVA libraries include problem with “rJava” package installation.
Sometimes when I develop web app my apache tomcat frozen and I have to do kill process.
Here is command what should do everything by itself.
When I tried install SoapUI 5 on my Ubuntu desktop I received exception
java.lang.UnsatisfiedLinkError: /usr/local/SoapUI/jre/lib/i386/xawt/libmawt.so: libXtst.so.6: cannot open shared object file: No such file or directory
always when I tried run installer or program (if I used console for installation).
Here is workaround
When you open any connection protected by SSL/TLS (e.g. https), JAVA verify if connection is trusted. If server use self signed certificate or certificate from not know authority JAVA close connection and throws some kind of SSL exception like “javax.net.ssl.SSLHandshakeException”
You can solve this situation by two ways, you can install authority certificate or trust all certificates (disable SSL validation).
JAVA JDK 7
Add repository for Oracle JAVA by commands:
sudo add-apt-repository ppa:webupd8team/java
sudo apt-get update
Each developer needs to create custom components very often, but in JavaFX with FXML forms it is not so simple.
Here is a simple guide, how can you create your FXML custom component and how can you use it in your FXML form.
You can download source code at the end of the post.
If you want to create a maven project with JavaFX and FXML support, you are in the right place. Here is a simple guide.
We will prepare a simple maven project. You can download source code at the end of the post.
Since JDK 7u6 is JavaFX 2 integrated to JavaSE on all major platforms (Windows, Linux and Mac). I think that it is time to start switch from SWING to JavaFX.
I use Eclipse 4.2 on Ubuntu 12.10 64bit with WindowBuilder Pro installed for SWING WYSIWYG design, but there is no plug-in with JavaFX GUI designer. Don’t worry, there is solution with using e(fx)clipse and JavaFX Scene Builder.
We will develop JavaFX example with using GUI designer and Eclipse in this post.
We will install plugins to Eclipse 4.2 JEE version for support of develop JavaFX applications, GWT web projects, Android applications, subversion (SVN) integration and WYSIWYG editor for design of SWING, GWT and SWT forms.
When I created my sustom ListCellRender I had to set colors of each item in a list. I thought that I can use a SystemColors class, but what was my surprise that the class returns different colors than I have been configured in the operating system. I found solution at the google.
Original post: http://www.devdaily.com/java/java-uimanager-color-keys-list