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.

Relatively positioned item out of boundaries in auto overflow parent container

I was doing web design using elements inside of parent elements. My parent element containers overflow was set to auto and child was positioned relative. This did not work. My child element was out of boundaries.

Tracking Individual Users

I want to track individual user on my website. I want to know what they do on my websites, what are their locations and more.

Accessing location in browser

I want to implement a location dependent web application, is there any way of getting access to the users location in the browser?

WAMP Server does not start properly (port occupied)

I am trying to test my web application with the WAMP server, but Apache does not start properly.

Responsive layout

Different devices have different screen space, on smartphones a vertical layout might be advantageous over a horizontal. How can we create a responsive layout that automatically determines the screen width and adapts content accordingly, without messing around with media queries and having to customize the layout for each browser?

Simple and inexpensive way to integrate an interactive map into a website

I once had to implement an interactive map for a website, which had to display dynamical weather data. As it was a rather small project without the access to expensive resources, it needed to be relatively fair priced. Is there an easy and inexpensive method to implement such a project?

Reducing load times and size of scripts and CSS-files

Web services that include a lot of scripts or costly style operations may be very slow, as a lot must be loaded in the background. Is there a way to make these pages load faster?

Bypassing “cross-origin request”-errors on testing a web service locally

Developing a website with a REST-backend and XHR-requests to retrieve data from the underlying database requires a lot of early-on local testing. However, in this case the resource is coming from a different origin and modern web browsers block them (CORS error). Is there any way to bypass this behaviour in the development stage?

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