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Hubsan X4 H107C Review

4 minute read

I’ve found interesting and very affordable little drone with a camera - Hubsan X4 H107C. Here is my quick review.

earth - Global Wind Map  » Direct Link

earth, a global wind map of the entire world, is a visualization of global weather conditions. It is based on the weather forecasts made by supercomputers of...

Is D3 a New Web Mapping Tool?

2 minute read

D3.js, or Data-Driven Documents, is a JavaScript framework for manipulating documents based on data, using pure HTML, SVG, and CSS, with full emphasis on the...

GeoServer Guide to CQL

2 minute read

CQL is a human-readable query language, and its syntax is very similar to SQL syntax, but with extremely limited functionality. For example, it can’t encode ...