A free, mobile-friendly, open-source dynamic map application.
A site for people who think. Intellectual resources, programming, astronomy, science, mathematics, Java/JavaScript applets, programming instruction, home of Arachnophilia.
A site for people who think. Intellectual resources, programming, astronomy, science, mathematics, Java/JavaScript applets, programming instruction, home of Arachnophilia.
A free, mobile-friendly, open-source dynamic map application.
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Domestic donkey feeding on cherry twigs (© Juniors Bildarchiv GmbH/Alamy)
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In network protocol exchanges, it is often useful for one end of a communication to know whether the other end is in an intended