SignalR – Sending a message to a specific user using (IUserIdProvider) *NEW 2.0.0*

SignalR provides ConnectionId for each connection. To find which connection belongs to whom (the user), we need to create a mapping between the connection and the user. This depends on how you identify a user in your application. In SignalR 2.0, this is done by using the inbuilt IPrincipal.Identity.Name, which is the logged in user … Read more

How do I plot in real-time in a while loop using matplotlib?

Here’s the working version of the code in question (requires at least version Matplotlib 1.1.0 from 2011-11-14): import numpy as np import matplotlib.pyplot as plt plt.axis([0, 10, 0, 1]) for i in range(10): y = np.random.random() plt.scatter(i, y) plt.pause(0.05) plt.show() Note the call to plt.pause(0.05), which both draws the new data and runs the GUI’s … Read more