text: #!/usr/bin/env python
  '''
  The most simple case how to use standalone mode with several `run` calls.
  '''
  from brian2 import *
  set_device('cpp_standalone', build_on_run=False)
  
  tau = 10*ms
  I = 1  # input current
  eqs = '''
  dv/dt = (I-v)/tau : 1
  '''
  G = NeuronGroup(10, eqs, method='exact')
  G.v = 'rand()'
  mon = StateMonitor(G, 'v', record=True)
  run(20*ms)
  I = 0
  run(80*ms)
  # Actually generate/compile/run the code:
  device.build()
  
  plt.plot(mon.t/ms, mon.v.T)
  plt.gca().set(xlabel='t (ms)', ylabel='v')
  plt.show()
  