Library to be described here is based on erasure codes meaning file is encoded into n files any m of them(m

This article presents an overview of tools, applications and techniques for visualizing data in charts and graphs. Among other things both free and commercial chart tools, services, desktop-applications and web-based solutions (Flash, JavaScript, CSS)

(tags: ajax article chart charts collection graphs visualization javascript library smashingmagazine data)

The DBacesslayer aka DBSlayer aka Släyer (as we like to call it when we’re feeling ironically heavy metal) is a lightweight database abstraction layer suitable for high-load websites where you need the scalable advantages of connection pooling.

(tags: api cache cluster clustering database json mysql http opensource loadbalancing orm performance c)

What I would like to focus on in this article is a different approach, commonly referred to as the Nested Set Model. In the Nested Set Model, we can look at our hierarchy in a new way, not as nodes and lines, but as nested containers.

(tags: article database designs db sql tree hierarchical data nested-set model programming reference optimization)

Storing trees is a common problem, with multiple solutions. There are two major approaches: the adjacency list model, and the modified preorder tree traversal algorithm.

(tags: algorithm article data database tree hierarchical mysql sql nested-set)