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.

How can I protect myself while online?

How can I protect myself while online?

How to convert an image into a PDF?

How do I convert an image into a PDF?

How to stop pop-up or pop-under Internet ads?

How to prevent pop-up or pop-under advertisings in different browsers

Browser language

Sometimes you find yourself on a computer with a german operating system but you want your browser to find/request english websites or vice versa.

Finding a valid 3-coloring of a graph

In graph theory, the 3-colorability problem is a special case of graph coloring or graph labeling. It is a NP-complete problem. The goal is as follows: Given an undirected graph G, find an assignment of colors to the nodes out of three colorss so that no adjacent nodes have the same color. Applications of the 3-colorability problem can be found in scheduling tasks or in social networks.

How to Export & Import Web Parts in SharePoint?

Firts of all, I would like to give a difinition of Web Part galary. A Web Part gallery is a central warehouse of Web Parts, where you can locate a specific Web Part when you are creating a Web Part Page. Depending on how your site is configured, up to four different Web Part galleries may be available. If you have the appropriate permissions, you can access the available Web Part galleries on your site by clicking either Browse or Search in the tool pane.

How to easily automatize load- and performance-tests

Testing is an essential part in the software engineering process. Frameworks and tools help with the different testing steps like unit-testing, funcional testing, system testing, etc. When it comes to testing web applications and/or web services a crucial part is load- and performance-testing. This means simulating situations where lots of users fire lots of requests and testing if the application still ensures correctness and reasonable time-performance. A tool to easily simulate parallel user requests is wanted.

Reading of contents at interactive web-application

A web-application (customer-portal) of the concrete company is hosted externally. In the course of the negotiations concerning a contract-prolongation no agreement could be found. After the failure of the negotiations the provider refuses the publishing of the data, which actually belong to the concrete company. Because this data is of great value for the company, a solution for the reading of this data had to be found. The leading-in to the application happen by user and password. The navigation happens through the menue (button).

How to connect SharePoint Lists (Contact and Tasks) to Outlook?

Currently Microsoft Outlook is a very important tool, that gets more attention. Very often users want get access SharePoint document libraries without visiting SharePoint (the document library). Users very often use Outlook to coordinate and colobarate activities and projects, the ability to synchronize these libraries and lists can help them become more efficient, especially if they work offline and don’t have convenient access to your SharePoint sites all the time.

Quick & Dirty website parsing

In many situation one might want to collect information from a website without opening a browser and go to a specific website and lookup the desired piece of information. A other problem/challenge might be that a program needs some information from a website. The challenge here is that sometimes the content-provider might change the layout and thus a simple parser won't work. However i'd assume that the content-provider is not making changes to tags (eg div) where the location is stored.

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