The short answer is ‘both’. XMPP is a set of application protocol for doing real-time chat (and many other things, for that matter) – it then has to be transported across the network somehow, so you need a transport binding. There are three main transport bindings for XMPP – TCP/IP, which is what one usually … Read more
Hard Real-Time The hard real-time definition considers any missed deadline to be a system failure. This scheduling is used extensively in mission critical systems where failure to conform to timing constraints results in a loss of life or property. Examples: Air France Flight 447 crashed into the ocean after a sensor malfunction caused a series … Read more
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
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