tech

When I was working for school (do I something else?) I encountered the assertionfaillure exception in play upon a save operation. The message included is a verry small one, just sayin gthat the id is null.

When you surf the internet, the most common explanation is you have made an error and not matched a constraint (eg string length). In my case however, this was not the problem. After searching a while I encountered the solution.

Play is a great framework, but sometimes it has it flaws. On of those flaws is the hibernate version that is attached (play 1.2.4). The attached version is 3.6.1 while there are already a lot of newer versions. some of them with special bugfixes. 

But that's no problem, you can easily update your play installation to use the newer version by editting your play dependencies. To do so open conf/dependencies.yml and add the following lines:

Q: What to do with a classcastexception: can not be cast to Fragment. (While the cast refers to a Fragment class)

A: When you're using the compability library, you're activity containing the fragment needs to extend the FragmentActivity

Since short I'm working on a small android application. In this application i wanted to add a small progressbar. The default height however (15dp) was a bit too mucht to use in the application. After some googling I found that this code should work (in your view xml):

When you run a windows enviroment but need to use a unix program, x11 forwarding can be a solution. How it works is really simple, you login on a remote (unix) server with ssh. The next step is then to launch the program, and the screens of the external program are shown on you desktop.

Not so long ago I encountered a problem when setting up a vps. The company that offered the VPS had the nice feature to self install the OS you wanted by vnc. This was verry nice because you could configure all you wanted from the start. 

Litle bugfix for the ASAVPN software from cisco. After installing, the software runs great, but when I rebooted or shutdown and restarted my pc the problem began. When the software tried to establish the vpn adapter, an error box occured with the text "the vpn client driver encountered an error". 

Aftwer searching for a while, I crossed the cisco faq site with the solution. 

For vista/win7:

 With google plus winning customers, and the enabling of the games section, a question asked is, how to manage my games (and applications)?