Lookandfeel. Extremeprogramming. Python Programming Language. Using JasperReports with Hibernate. Turn of the Crank » The 5 Books that Every Programmer Should Rea. JGAP: Java Genetic Algorithms Package. Zembly. Chart. JFreeChart is a free 100% Java chart library that makes it easy for developers to display professional quality charts in their applications.
JFreeChart's extensive feature set includes: For a closer look at JFreeChart, please try the extensive demo application included in the download or browse the Samples page. Latest News 31 July 2014 JFreeChart 1.0.19 is now available. 3 July 2014 JFreeChart 1.0.18 is now available and features a JavaFX ChartViewer control and numerous other enhancements. 24 November 2013 We are pleased to announce the availability of JFreeChart 1.0.17. 13 September 2013 We are pleased to announce the availability of JFreeChart 1.0.16. 4 July 2013 JFreeChart 1.0.15 has been posted to the download page at SourceForge. 11 Sep 2012 A development version of JFreeChart is now hosted on GitHub. The Project The JFreeChart project was founded fourteen years ago, in February 2000, by David Gilbert. Funding. Solvent. Solvent Why do I need screen scrapers?
Piggy Bank needs web pages to embed information in a format that it can understand. This format is called RDF (Resource Description Framework) and its main advantage is that makes machine processing a lot easier. Unfortunately, at these very early stages, not many web pages embed or link to such "purer" RDF information. Piggy Bank, however, is capable of executing a particular screen scraper on particular pages in order to "extract" the information it needs.
In short, screen scrapers allow you to turn a regular web page into a regular web page plus semantic data, and thus frees the data from the page/site that contains it. How do I use it? Watch a screencast of Solvent scraping the location of Starbucks coffee shops in Cambridge, MA and then use Piggy Bank to show the scraped data on a map.
Also read the Piggy Bank screen scraping howto that uses Solvent to write a screen scraper for Piggy Bank. What are the main features of Solvent? Credits. How To Become A Hacker. Copyright © 2001 Eric S.
Raymond As editor of the Jargon File and author of a few other well-known documents of similar nature, I often get email requests from enthusiastic network newbies asking (in effect) "how can I learn to be a wizardly hacker? ". Back in 1996 I noticed that there didn't seem to be any other FAQs or web documents that addressed this vital question, so I started this one. A lot of hackers now consider it definitive, and I suppose that means it is. Still, I don't claim to be the exclusive authority on this topic; if you don't like what you read here, write your own. If you are reading a snapshot of this document offline, the current version lives at Note: there is a list of Frequently Asked Questions at the end of this document. Numerous translations of this document are available: ArabicBelorussianBulgarianChinese, Czech.
The five-dots-in-nine-squares diagram that decorates this document is called a glider. If you want to be a hacker, keep reading.