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This package provides a general framework for developing spatial indices. Currently it defines generic interfaces, provides simple main memory and disk based storage managers and a robust implementation of an R*-tree, an MVR-tree and a TPR-tree. Supported Features: * Generic main memory and disk based storage managers. * R*-tree index (also supports linear and quadratic splitting). * MVR-tree index (a.k.a. PPR-tree). * TPR-tree index. * Advanced query capabilities, using Strategy and Visitor patterns. * Arbitrary shaped range queries, by defining generic geometry interfaces. * Large parameterization capabilities, including dimensionality, fill factor, node capacity, etc. * STR packing / bulk loading.

Logging is a flexible logging library for use in Ruby programs based on the design of Java's log4j library. It features a hierarchical logging system, custom level names, multiple output destinations per log event, custom formatting, and more.

UI for viewing logs in Rack

Splint is a tool for statically checking C programs for security vulnerabilities and coding mistakes. With minimal effort, Splint can be used as a better lint. If additional effort is invested adding annotations to programs, Splint can perform stronger checking than can be done by any standard lint.

The State Threads is a small application library which provides a foundation for writing fast and highly scalable Internet applications (such as web servers, proxy servers, mail transfer agents, and so on) on UNIX-like platforms. It combines the simplicity of the multithreaded programming paradigm, in which one thread supports each simultaneous connection, with the performance and scalability of an event-driven state machine architecture. In other words, this library offers a threading API for structuring an Internet application as a state machine. The State Threads library is a derivative of the Netscape Portable Runtime library (NSPR).

Loquacious provides a very open configuration system written in ruby and descriptions for each configuration attribute. The attributes and descriptions can be iterated over allowing for helpful information about those attributes to be displayed to the user.

An efficient implementation of an lru cache

A simple, powerful, and very fast logging utility that can be a drop in replacement for Logger or ActiveSupport::BufferedLogger. Provides support for automatically rolling log files even with multiple processes writing the same log file.

STLFilt simplifies and/or reformats long-winded C++ error and warning messages, with a focus on STL-related diagnostics (and for MSVC 6, it fully eliminates C4786 warnings and their detritus). The result renders many of even the most cryptic diagnostics comprehensible.

main.rb features the following: - unification of option, argument, keyword, and environment parameter parsing - auto generation of usage and help messages - support for mode/sub-commands - io redirection support - logging hooks using ruby's built-in logging mechanism - intelligent error handling and exit codes - use as dsl or library for building Main objects - parsing user defined ARGV and ENV - zero requirements for understanding the obtuse apis of any command line option parsers - leather pants In short main.rb aims to drastically lower the barrier to writing uniform command line applications.