The Perl Maven tutorial will teach you the basics of the Perl programming language. You'll be able to write simple scripts, analyze log files and read and write CSV files. Just to name a few common tasks.

You'll learn how to use CPAN and several specific CPAN modules.

It will be a good foundation for you to build on.

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There is also an e-book version of the material available for purchase. In addition to the tutorial, the eBook also includes some material that is only available pro subscribers.

You can serve calendars in ICal format from your web application on-the fly or you can save it to the disk as an *.ical file and serve the static file. Then people can add it to their calendar application and see the events you list.

The modules in use:

Data::ICal
Data::ICal::Entry::Event
DateTime
DateTime::Duration
DateTime::Format::ICal

This code generates two events. The first one has a beginning and ending date. The second one has a beginninng and a duration. It also includes a link to Zoom as the "location".

ZetCode brings tutorials for programmers in various areas. The main are Graphics User Interface, databases, and programming languages. The website's mission is to provide competent, quick and easy to understand tutorials for modern-day technologies. You can follow the author on Twitter for website news.

This is a perl extension for rxvt-unicode that allows changing the font size on the fly with keyboard shortcuts. It has the following features:

Supports both xft and X11 fonts; X11 fonts work in both full form and as aliases.
Supports all four font settings: font, boldFont, italicFont and boldItalicFont and changes them in accordance with the base font (the first one from font).
Can apply the font change globally for the whole server, so that new terminals will inherit the same size, and even save it to ~/.Xresources to be able to survive a reboot.
Should work even with complicated font setups like the example in the urxvt man-page.

Interface to IRIS based web departure monitors