install bashrc

ln -s $(pwd)/wiki/linux-bash/bash_aliases.sh ~/.bash_aliases
source "$HOME/.${SHELL##*/}rc"

ThreadPoolExecutor

__import__('concurrent').futures.ThreadPoolExecutor().submit(
   lambda x: (print(x * 2) or x ** 2 / 0), 3).result()

zmq.REQ

def File(blob):
   try: import zmq; File.sock.send_pyobj(blob); return File.sock.recv_pyobj()
   except (AttributeError, zmq.Again):
      (sock := zmq.Context().socket(zmq.REQ)).connect('tcp://localhost:6106')
      sock.RCVTIMEO = 1000; File.sock = sock; return File(blob)