Question and answer system for the web
Quiz Master
© Carl Durocher, Fotolia
Catalyst is the Ruby on Rails of the Perl universe. When you are developing a web application like a quiz, using the MVC framework is really convenient and helps keep the underlying components cleanly separated.
Whether guessthelogo.com asks you to pick the right company logo out of strikingly similar variations, or Food.aol.com invites visitors to identify candy bars by their cross sections (Figure 1), an entertaining quiz is always welcome during a hard day at work. You can expect your colleagues to forward the URLs, and comparing scores later on will mix up the hacking order and trigger fascinating discussions.
Are you interested in compiling your own quiz? Figure 2 shows our home-made quiz at work. To make the code reusable, the application retrieves the questions and multiple choice answers from a YAML file (Figure 3). The example uses a selection of questions from the USA immigration test. For example, applicants need to know how many stars are displayed on the US flag and what they symbolize [4].
The web application parses the YAML file and displays each question individually on a new page. Whereas the YAML file always lists the correct answer first, the application will display possible choices in random order to keep things interesting.
[...]
Read full article as PDF:
076-080_perl.pdf (611.30 kB)Tag Cloud
News
-
SCO Rises from the Swamp
Longtime litigator revives an ancient suit against IBM alleging Linux infringes on Unix copyrights.
-
UberStudent Project Releases UberStudent 3.0
Specialty distro keeps the focus on advanced learning.
-
openSUSE Conference Approaches
The openSUSE Conference will be held July 18-22, 2013, at the Olympic Museum in Thessaloniki, Greece.
-
Drupal.org Hacked
Security breached at home sites of the CMS project.
-
Oracle Takes Action on Java Security
Lead Java developer vows policy changes and more attention to fixing problems.
-
Google and NASA Partner in Quantum Computing Project
Vendor D-Wave scores big with a sale to NASA's Quantum Intelligence Lab.
-
Mageia Project Announces Mageia 3 Linux
Many package updates and Steam integration highlight the latest from the Mandriva-based community Linux.
-
FSF Outs the World Wide Web Consortium over DRM Proposal
Richard Stallman calls for the W3C to remain independent of vendor interests.
-
Debian 7.0 Debuts
The new release supports nine architectures, 73 human languages, and zero non-Free components.
-
Alpha Version of Fedora 19 Released
Fedora developers release the first alpha version of Fedora 19, known as Schrödinger’s Cat, for general testing. The final release is expected in July 2013.
