How to convert a float to string in Golang using strconv.FormatFloat function.

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How to deep clone an object in Java. The clone method from the parent object needs to clone each child object separately and added to the cloned parent object.

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How to generate random numbers in a range using Java. A simple method using SecureRandom, class.

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How to see folder tree structure in command line using tree command.

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Thread Semaphore and Mutex in Java. Semaphore restrict the access to a resource for limited numbers of threads while mutex restricts the access to a single thread.

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Breathing Light LED on Raspberry Pi using Java. The light intensity will start from zero and gradually will increase up to maximum and then will decrease back to zero.

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