This page provides a basic tutorial on understanding, creating and using regular expressions in Perl. It serves as a complement to the reference page on regular expressions perlre. Regular expressions are an integral part of the m//, s///, qr// and split operators and so this tutorial also overlaps with "Regexp Quote-Like Operators" in perlop and "split" in perlfunc.
Instant Download The information in this free Data Flow Diagrams tutorial is taken from "GetAhead - Data Flow Diagrams". This course consists of 5 hours of training and is equivalent in scope to a two-day instructor led course. It explains how to draw data flow diagrams, including worked examples and exercises.
Browse the topics below to learn how to implement proven strategies and tactics to accomplish a wide range of goals. For more hands-on instruction on how to create specific types of graphics with SmartDraw, visit the "How to Create..." section.
So you have heard of all the advantages and geeky babble about how Linux is better and you have finally decided to try it? Just one thing, you don’t know an awful lot about Linux to get you started. How about some free downloadable ebooks to teach yourself Linux, that you can download today? Would that help? Free – you ask? Yes, free. Welcome to the world of Linux where things are free both as in free speech and also as in free beer (mostly)!
Have you ever wondered why you get the errors Execute permission denied or The parameter list is too long? These are just a few of the common errors UNIX and Linux novices receive that they may not know how to avoid. This article explains such errors and provides workarounds and resolutions to these and other errors that may crop up.
Welcome to Cyberinfrastructure Tutor, or CI-Tutor, the web-based training site for High Performance Computing and Cyberinfrastructure topics. This resource is hosted by the National Center for Supercomputing Applications (NCSA) at the University of Illinois at Urbana-Champaign.
How do you best set up your scanner when archiving all of those prints and slides that you have in storage? It's really not too bad once you know the numbers you have to plug in, and the resulting digital files they produce. That's what this podcast is about.
#2: Replacing same text in multiple files * Difficulty: Intermediate * Application: find/Perl If you have text you want to replace in multiple locations, there are several ways to do this. To replace the text Windows with Linux in all files in current directory called test[something] you can run this: perl -i -pe 's/Windows/Linux/
The Ubuntu concept is that once a flavor is released, there is no update for its content, except security issues. Therefore, once you stick to a flavor (Dapper, Edgy, Feisty, ...), your OOo version is not updated. Basic reason is : integration has been validated with this package, a new one could mess the system.
Google Code University - tutorials and course content for CS students Google's Code University is another great "bootstrap education" resource for CS students. I've written previously about other free resources for the self-guided software engineer, such as MIT's Open Courseware and Standford's Engineering Everywhere. While Google Code University currently offers a smaller subset of courses, it's all geared toward topics related to large scale web application development.
This is the online home of Version Control with Subversion, a free book about Subversion, a new version control system designed to supplant CVS. As you may have guessed from the layout of this page, this book is published by O'Reilly Media.
Ever wanted to add some AJAX effects to your site to create a great and interactive looking site. Here’s a list of 48 of the best Mootools scripts around there (e.g. image galleries, lightbox clones, tabbed contents, forms, menus, tables, date pickers…).
Webmonkey has been purchased by CondeNet, the parent company of Wired.com, Reddit and, as of today, ArsTechnica. The team here at Wired.com has given the site a complete redesign. The Compiler blog is once again known by its original name, monkey_bites. W
I have found that many articles found on the net are good and detailed but they are not really friendly to novice programmers. In my article the topic is presented as a Q&A session. Most of the questions are the ones that most novices would like to ask.