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.

Finding appropriate dates for appointments

The organization effort for finding one or more appropriate dates for some appointment with several people not beeing at the same place is rather high when using conventional communication media. Calling everyone involved can take a lot of time when the number of people gets higher.

Non-functional Requirements on Web-Application

The allocation of the development of WEB-applications happens by the department (Business). In general the functional requirements are specified in an appropriate way, because they are within the focus of the department. Non-functional requirements usually are not considered. This causes that important quality criteria is not specified. Therefore the following problems can occure (examples): + Problems with the performance (the site-construction lasts for a long time) + Incompatabilities with the used browser + Poor depiction of mobile devices (e.g.

how do i get a list of autotexts in word 2010

how do i get a list of autotexts in word 2010

deleting a workspace of another user in microsoft visual studio 2008 tfs

how to delete a workspace from another user in microsoft visual studio 2008 tfs

Google: Country specific search

If someone is searching for a law or something other very country specific he/she probably wants the search results only for that specific country. For example: When I search the internet via google for "Umsatzsteuersatz" the result pages are filled up with sites from germany containing information about 19% but where the aim of my search was to find sites from austria.

Secure Web-Application

Within the framework of the procurement of Web application substantial security holes were evident (recognized by by examinations/ (IT-Securtiy checks). The Web applications are ordered by the company at different suppliers, who carry out the software development. In the course of the agency, however, there is no further specification concerning the requirement to IT-regarding to an implicit approach „it just must be safe “.

MSSQL Server Aggregate function over column defined as varchar

The goal is to calculate the aggregate functions (sum, avg) over a column which is defined as varchar

How to find an appropriate appointment for a meeting

Finding an appropriate date and time suitable for several persons can be a challenge, especially if the numbers of persons becomes big. Just imagine finding a date and time for a meeting of 10 students of the University of Technology of Vienna: each student has different courses, some have jobs, some are not in Vienna during the weekends, etc... Both synchronous and asynchronous communication tools have their flaws: Asynchronous like E-Mail: Consider our 10 students writing mails where everyone specifies the dates and times suitable for himself.

Reading webpages in Java applications

Many web application fall into the category of "mash ups", meaning that they collect information from different sources (often other web applications) and combine it in a single, coherent user interface that offers additional value to the user. Often this additional value is enough to justify the mash up as a service of its own. In order write such an application, one must first be able to access the web pages in question in the Java code of the own application.

How to effectively create common documents (Word, Excel, Powerpoint...) collaboratively?

With common file sharing systems like SugarSync or Dropbox it is not effective for a group to work on the same document at the same time because one cannot know what part another one is working on at the very same time. Furthermore, parts of the document can be lost: 1. Person A opens the document and starts working 2. Person B saves the document with changes made after person A opened it 3. Person A saves the now obsolete document.

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