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Programming: Raspberry Pi, Java Streams, Realme GPL Compliance

Submitted by Roy Schestowitz on Wednesday 13th of May 2020 05:07:41 PM Filed under
Development
  • Fix slow Nintendo Switch play with your Raspberry Pi
  • Why use Java Streams instead of loops

    In a recent article, I mentioned my 2020 New Year's resolution: no more loops in Java. In that article, I chose a common (and simplified) forest management calculation—determining whether an area is forested, based on a legal definition, by calculating the proportion of ground shaded by tree canopies.

    From a data collection point of view, this requires sampling the area and then estimating the proportion covered by tree canopies from that sample. Traditionally, sampling is conducted first by reviewing the area in aerial photographs or satellite images and dividing the area into units that appear to have approximately uniform vegetation characteristics. These units are called strata (plural of stratum). Then a collection of randomly located points is generated within each stratum. At each point is located a sample, typically a circle or rectangle of specific dimensions, and all trees within each sample are measured in the field. Then, back in the office, sample values are totaled, stratum averages are calculated, and these averages are weighted into a total average for the area.

  • Realme X2 Pro Gets Realme UI Long-Term Beta, Android 11 Early Access Program

    The following month, Realme published the Android 10 kernel source code for the device as part of its GNU GPL obligations. Either way, if you own a Realme X2 Pro and want to be part of the Android 11 Early Access beta program, you can check out all the details on the official Realme forums.

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