Simply Explaining Technology
How many Availability Zones should compute resources be provisioned across to achieve high availability?A minimum of two Which of the following is a correct relationship between regions, Availability Zones, and…
Emptying a databases involves dropping (deleting) all its tables. The easiest way to do this is to drop and recreate a database: Depending on the system you are working, the…
React is an open source JavaScript library created by Facebook and maintained by a large community. It is used for creating views as in V in MVC. It is a…
This post show how to install and run python on Ubuntu Linux system or Mac OS system. It covers python3. Installing and running If you are using Linux, python3 is…
This is a quick introduction to the basics of python programming language. It covers python3. Variables See the following program. Save as datatype.py: To run Output Casting between string, int,…
Python is a fully object-oriented programming language but it can also be used for scripting. It is assumed that you are already familiar with object-orientation concepts and have experience writing…
In Python, you can handle errors with exceptions. The following code will generate an FileNotFound error because the file it is trying to open does not exist: output An error…
Python uses re library for regular expressions. re comes with standard python installation. Regular expressions is a very big topic. This page only covers the basics of how to search…
Unit testing functionality is built into Python3. Following is a very simple example: Save this file as mycode.py. Save the following code as mycode_unittest.py When you run the unit test…
This page shows how to work with text files using Python3 code. Following is a sample txt file we will be using. Lets called it stocks.txt Reading from File You…