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.

Slow response rate

Problem 3: Slow response rate I’m sure this happens to all of us when our internet gets so slow that we get time out error. Really annoying! But I looked it up and this solution saved me.

DNS lookup failed error

Problem 1: Once I tried to reach a certain website and I couldn’t, whenever I was typing the name of the website the browser gave me an error Service unavailable… or it can’t be find… but whenever I was trying with another device I could reach the web page. So I looked it up and….. It was exactly DNS lookup failed problem.

Sharing a gmail calendar with a specific other gmail user

All the members of your team are using gmail in general and also the gmail calendar to organise all the meetings and events. Is there a possibility to have a "business-calendar" everybody has access to and can read/write events?

Changing image on hover with css without a delay

You create a menue in your web page, that is not made of simple text links, but instead there is a small image for each link that changes slightly wenn hovering over it with the mouse. Each image is placed via the "background"-attribute of the "div"-tag. When hovering over that image, the "hover"-method calls the 2nd image, that shall be shown. Now there is the problem, that when loading the page for the very first time, only the 1st image of every link is loaded. The 2nd ones only gets loaded when hovering over them the first time.

Using PowerLan to get access to the router (and the internet)

Imagine a flat where the router is located in the living room. Now you want to get access to the internet from the office room with your notebook via your router. But: <ul> <li>the office room is several meters and 2 rooms away</li> <li>the wlan signal can't get through the walls and </li> <li>you can't put an ethernet cable from the router all the way through your flat to the office room</li> </ul> How can you manage it to still get access to the internet via your router?

How to recover a software's architecture

Software architecture recovery is a set of methods for the extraction of architectural information from lower level representations of a software system, such as source code. What are the best methods to recover an architecture of an existing software system?

How to add an entry to Google Maps?

Google Maps is a desktop and mobile web mapping service application and technology provided by Google, offering satellite imagery, street maps, and Street View perspectives. For small, as well as big businesses, it is important to ad an entry to Google Maps, in order to increase their visibility or improve rankings, as well as to receive feedback from customers. How is it possible to achieve that?

Mixed content warning

TechScreen throuhs mixed content warnings in Internet Explorer, for the Manage competences, voting and some other nice features. I have to allow mixed content after every site refresh, how can I allow this setting persistent?

Generate a RSA Private Key

This key is a 1024 bit RSA key which is encrypted using Triple-DES and stored in a PEM format so that it is readable as ASCII text.

Create a certificate signing request (CSR)

A certificate signing request (also CSR or certification request) is a message sent from an applicant to a certificate authority in order to apply for a digital identity certificate.

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