Flowing LED on RaspberryPi using Python. In this article will make a flowing LED strip flowing in both directions using Python.

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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 Python. Simple Python code sample.

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How to send emails using JavaMail. Simple example using a gmail account and proxy settings if needed.

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Java 8 forEach examples. Map and list loop using lambda, method reference, stream and filter.

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Introduction to ISO8583 financial transaction message format. Parts: message type indicator, one or more bitmaps and data elements.

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