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Avoiding SQL Injection and XSS Cross Site scripting
A Java.net article

Java Mail

Java mail some basics and example code to send email using Java.
Older articles but still relevant

• jGuru: Fundamentals of the JavaMail API
• Java News Letter : Basic Example
• Java News Letter : Advanced Example

Wall Street Winners Get Billion-Dollar Paydays

Hedge fund managers, those masters of a secretive, sometimes volatile financial universe, are making money on a scale that once seemed unimaginable, even in Wall Street’s rarefied realms.
One manager, John Paulson, made $3.7 billion last year. He reaped that bounty, probably the richest in Wall Street history, by betting against certain mortgages and complex financial products that held them.
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Freebase

Freebase is an open database of the world’s information. It is built by the community and for the community—free for anyone to query, contribute to, built applications on top of, or integrate into their websites.

Already, Freebase covers millions of topics in hundreds of categories. Drawing from large open data sets like Wikipedia, MusicBrainz, and the SEC, it contains structured information on many popular topics, like movies, music, people and locations—all reconciled and freely available via an open API. This information is supplemented by the efforts of a passionate global community of users, who are working together to add structured information on everything from philosophy to European railway stations to the chemical properties of common food ingredients.

Freebase

Danny Hillis

The co founder of Metaweb, the company behind Freebase. Also he is the co founder of Long Now Foundation the organization behind the millennium clock project.

Programming collective Intelligence

Want to tap the power behind search rankings, product recommendations, social bookmarking, and online matchmaking? This fascinating book demonstrates how you can build Web 2.0 applications to mine the enormous amount of data created by people on the Internet. With the sophisticated algorithms in this book, you can write smart programs to access interesting datasets from other web sites, collect data from users of your own applications, and analyze and understand the data once you've found it. Programming Collective Intelligence takes you into the world of machine learning and statistics, and explains how to draw conclusions about user experience, marketing, personal tastes, and human behavior in general -- all from information that you and others collect every day

Link to the book

Link to Author's (Toby Segaran) blog