Tutorials

App and usability testing

Create your own app – Part 4: App and Usability Testing

Only a properly functioning application has any chance of success. Programming errors and a poor user experience may cause some users to uninstall the app without a second thought. As a result, extensive app testing prior to publication is vital. Functionality, performance, usability, and other tests serve as quality assurance tools. In addition to manual tests, there are also some automated tests...

Web app of the week: Paletton

Web app of the week: Paletton

Are you on the lookout for a harmonious color scheme for your website, presentation, or infographic? The color scheme designer Paletton offers exactly that. With our web app of the week you can create complementary color palettes and export them as style sheets or Swatch file for Photoshop in next to no time.

iptables tutorial –  rule sets for creating data packets

iptables tutorial: how to configure the filter tables of Linux kernels

Since the first version, Linux kernel has been implementing packet filter modules, with which filter tables can be created. However, additional programs such as iptables are required to configure the rule set. In our tutorial, we present the free software for the Linux kernel 2.4 and 2.6 and give you a little insight into how it all works.


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