Open Source Bridge

Portland JavaScript Admirers is a local user group intended to help people learn about JavaScript

Almost every web application relies on cookies to authenticate each request after the user logs in. Cookies are vulnerable to cross-site request forgery and session hijacking. It is time to explore better, more secure alternatives that are now possible thanks to practical in-browser cryptography.

User groups are a vital part of the open source community. Learn more about how to start a group, keep it going, and make an existing group better from a panel of experienced user group organizers.

JavaScript is a unique and powerful language. Its ubiquity in the browser and its elegant concurrency model make JavaScript an ideal tool in a number of situations. Learn about the best ways to use and to understand this language from a full-time JavaScript professional.

The amount of information freely available on the internet from sources like Twitter and Github grows every day. This gives us new opportunities to leverage the collective consciousness. Clustering is a wonderful method for finding useful information in large amounts of data. But it can be an intimidating topic for programmers without a lot of academic background. In this talk I will introduce and explain some practical techniques for clustering real-world data.