What is Streaming?
Streaming is a technique in which the server provides the response to a request in chunks. I can think of a couple of reasons why this might be useful:

Very large responses. Having to assemble a response in memory only to return it to the client can be inefficient for very large responses. An Read More →

Excel files can be read using the Python module Pandas. In this article we will read excel files using Pandas.
Related course:
Data Analysis in Python with Pandas
Read Excel column names
We import the pandas module, including ExcelFile. The method read_excel() reads the data into a Pandas Data Frame, where the first parameter is the filename and the Read More →

Python is strongly typed (i.e. types are enforced), dynamically, implicitly typed (i.e. you don't have to declare variables), case sensitive (i.e. var and VAR are two different variables) and object-oriented (i.e. everything is an object).
Getting help
Help in Python is always available right in the interpreter. If you want to know how an object works, all Read More →

What is Twisted?
Twisted is an event-driven networking engine written in Python and licensed under the open source ​MIT license. Twisted runs on Python 2 and an ever growing subset also works with Python 3.
Here's a simple publish/subscribe server, where clients see all messages posted by other clients:
You can test this out by opening two terminals Read More →

A failure detector is a key building block for fault-tolerant distributed system, which provide a mechanism to collect information of process failure.
The Heartbeat Model
The heartbeat model is used in most distributed systems. Every process p periodically sends an “I am alive” heartbeat message to the process q. The period is the heartbeat interval Δi.
If q Read More →