Welcome to TechScreen

Welcome to the TechScreen site. This side shall support the exchange of knowledge in the domain of Web Engineering and related aspects. As a side effect, this side is used for research on knowledge management technologies. User can pose challenges in the problem domain and can participate in quizzes. Further a bibliography about arcticles in different related domains is continously extended. Finally, questionnaires on different issues are provided. To be able to participate you need an account and a password from TU Wien's TISS system.

Import Certificate into Firefox 3.6.12

This challange will help you to import a Code Signing Certificate into Firefox

Securing Wireless Network: WPA/WPA2

This Challenge explains how to configure WPA/WPA2 encrypted security on NETGEAR wireless routers. It can also be applied to NETGEAR access points. It should help in case you lost or are unable to use the Router Configuration CD. I will also provide default Password for NETGEAR Devices.

record audio stream

The challange ist to record any auido stream, online radio, online TV or game sound you want to on your computer. You can also try to record sound from a stereo.

Google Calendar / Outlook Calendar sync

The challenge is to synchronize goggle calendar with outlook 2007. It is needed to synchronize both ways. (Editing an entry in outlook --> synchronize and editing an entry in google online calendar --> synchronize).

Drupal Modules

I installed the new modules for competence management (downloaded the modules into the modules directory of my Drupal installation) and I get an error "Depends on: Array (missing)" in the Modules page.

Joomla Log-In not possible because of wrong timeout

In the administrator backend of a Joomla-Installation I've changed the timout for the administrator for a session to a very high value so that there is no danger to exceed that time whenever the administrator is logged in. After logging of and trying to log in the next time I wasn't able to do so because of timeout and I needed to log in to change it back or to a lower value than I did the last time.

Creating a calendar on a website that is accessible from a client

The problem to make an access to the calendarfunctions as easy as possible and without logging in on the website made a client which connects to the calendar as part of the website and that is installed at the users computer neccessary.

Cannot start apache webserver after installation

After the installation the apache webserver didn't worked because it said that the port neccessary is blocked. But I didn't know why or which other program is using that port.

Using xampp with Windows 7 64 Bit

Xampp that I normally use for creating PHP-sites didn't worked at this computer with a 64 bit Windows 7. The Problem is that I needed it to make some changes in the source of a php-site and this with that new computer. First I had to install xampp which I did, but it didn't worked.

Problem with built-in Mac Book webcam iSight

The webcam seems to be active (red light is flashing) but it is neither possible to activate nor to deactivate the webcam. That implies that no webcam using application is able to use it, e.g. for a video conference with Skype. By trying to use the webcam via an application the statement "another program may have it in use" is prompted. I haven't figured out what causes this bug, but it can be solved by resetting the PRAM (parameter random-access memory) of your Mac Book.

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