code: def plotstuff(self, T=[0, 1000]):
          
  
          fig = plt.figure(figsize=(10,10))
  
          ax = fig.add_subplot(111)
  
          neurons = self.neurons()
          i = 0
          for x in self.select_neurons_interval(neurons, T):
              ax.plot(x, np.zeros(x.size) + neurons[i], 'o',
                      markersize=1, markerfacecolor='k', markeredgecolor='k',
                      alpha=0.25)
              i += 1
          ax.set_xlabel('time (ms)')
          ax.set_ylabel('neuron ID')
          ax.set_xlim(T[0], T[1])
          ax.set_ylim(neurons.min(), neurons.max())
          ax.set_title('database content on T = [%.0f, %.0f]' % (T[0], T[1]))
docs: Create a scatter plot of the contents of the database,
          with entries on the interval T.
  
  
          Parameters
          ----------
          T : list
              Time interval.
          
          
          Returns
          -------
          None
          
          
          See also
          --------
          GDF.select_neurons_interval