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 The first 6G white paper was released. What does 6G look like?

The first 6G white paper was released. What does 6G look like?

Not long ago, the Oulu University 6G flagship research program released the world's first 6G white paper. The white paper systematically introduced the trend of 6G technology based on the views of 70 experts. These experts took part in the first 6G wireless summit held in March this year, which is worth reading. This paper is refined and sorted out according to the white paper. When does 6G come? From the calendar...
 What is the purpose of the java-Random (long) constructor?

What is the purpose of the java-Random (long) constructor?

There are 2 Random class constructors > public Random () > public random (long seed). According to the description of the second constructors of Oracle, a new random number generator is created using a single long seed. The seed is the initial value of the internal state of the pseudo random number generator maintained by method next (int).
 Using shell_exec to call Python from PHP

Using shell_exec to call Python from PHP

My default Web application is based on PHP., but for convenience, I built a python script for some analysis. Now I need PHP to call Python code and retrieve the output provided by Python code. All two files are on the same server, but not in the same folder.