How to make a LED blinking on Raspberry Pi using Golang. Simple sample code using go-rpio library.

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How to make a LED blinking on Raspberry Pi using Java. Simple sample code using pi4j library.

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How to make a LED blinking on Raspberry Pi using C. Simple C code sample using WiringPi library.

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How to make a LED blinking on Raspberry Pi using Python. Simple Python code sample.

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Junit 3 vs Junit 4 Comparison. Junit 4 is introducing new features like annotations, static import, timeout.

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web.xml deployment descriptors. Servlet version 2.3, 2.4, 2.5, 3.0 and 3.1.

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