In PHP, is the “NumberFormatter class” separate from the setlocale() function?

Take a look here: https://www.php.net/manual/en/function.setlocale.php The locale information is maintained per process, not per thread. If you are running PHP on a multithreaded server API like IIS, HHVM or Apache on Windows, you may experience sudden changes in locale settings while a script is running, though the script itself never called setlocale(). This happens due…

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Do L2 regularization and input normalization depend on sigmoid activation functions?

Following the online courses with Andrew Ng, he talks about L2 regularization (a.k.a. weight decay) and input normalization. Now, the argument is that L2 regularization make the weights smaller, which makes the sigmoid activation functions (and thus the whole network) “more” linear. Question 1: can this rather handwavey explanation be formalized? Can we define “more…

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