Issue #376 (July 9, 2019) (43)

A Sneak Peek at Python 3.8 Playing around with new features in Python 3.8 such as assignment expressions (“walrus operator”), positional-only arguments, and runtime audit hooks. JERRY PUSSINEN

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Reading and Writing Files in Python Learn about reading and writing files in Python from the ground up. You’ll cover everything from what a file is made up of to which libraries can help you along that way. You’ll also take a look at some basic scenarios of file usage as well as some advanced techniques. REAL PYTHON video

Fastest Way to Load Data Into PostgreSQL Using Python This article explores ways to import messy data from remote source into PostgreSQL using Python and the Psycopg2 module. The data is big, fetched from a remote source, and needs to be cleaned and transformed. HAKI BENITA

Deploying Django to Heroku With Docker This post looks at how to deploy a Django app to Heroku with Docker via the Heroku Container Runtime. MICHAEL HERMAN

Write More Pythonic Code (Learning Path) Get a guided tour through Python’s best practices so you can write cleaner, more readable, and more Pythonic code. REAL PYTHON

Domain Driven Design for Python An interview with Henry Percival about software architecture patterns for large and complex systems, and how they translate to Python projects. PYTHONPODCAST.COM podcast

What Is Dynamic Programming? (With Python Examples) Dynamic programming is breaking down anproblem into smaller sub-problems, and storing the solution to each sub-problems so we don’t repeat calculations. BRANDON SKERRITT

The Python Help System In this article, you will learn how to use Python’s built-in help system that you can use to look up documentation directly from within a REPL session. NICHOLAS SAMUEL

Common Python OOP Examples and Solutions Examples of object-oriented programming (OOP) concepts of abstraction, encapsulation of data, inheritance, polymorphism, meta-classes and decorators. PYTHONPROGRAMMING.IN • Shared by Amit Arora

Build a Celebrity Look-Alike Detector With Azure’s Face Detect and Python This article describes how to use Microsoft Azure’s Face API with Python to identify faces in images and determine if they are of the same person. CHRIS MOFFITT

What’s the Average Python Developer Salary in the US? What makes Python popular? What is the average Python developer salary in the US? And how many Python programmers are there in the world? DAXX.COM

Python Type Hints Overview Why type hints were added to Python and how they can help you write more maintainable code and make Python programming more enjoyable. VICKI BOYKIS

New Dynamic Arrays in Excel With Python and xlwings Dynamic arrays are a new feature in Microsoft Excel. See how they work with Python and xlwings UDFs. FELIX ZUMSTEIN

HTTP Toolkit: Capture, View and Explore Your Python Code’s HTTP Traffic HTTPTOOLKIT.TECH • Shared by Tim Perry

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