The second-largest city in the Lone Star state, San Antonio is located on the southern edge of the mountainous Texas Hill Country. Its streets follow old Spanish trails and 19th-century wagon trails ...

Since Philadelphia is arranged on a grid system, the mostly one-way roads are easy to navigate. Helpful maps are posted along street corners across the city – watch for the "Walk! Philadelphia" signs ...

RxJava is a Java VM implementation of Reactive Extensions: a library for composing asynchronous and event-based programs by using observable sequences. It extends the observer pattern to support ...

A partial Java port of the PROJ.4 map projection library. Most projections are implemented, but datum conversion support is lacking. EPSG parameter support is preliminary and contains bugs. Usage of ...