Issue #398 (Dec. 10, 2019) (39)

Python Strings and Character Data (Interactive Quiz) Test your understanding of Python strings and character data. REAL PYTHON

MicroPython: An Intro to Programming Hardware in Python Are you interested in the Internet of Things, home automation, and connected devices? In this tutorial, you’ll learn about MicroPython and the world of electronics hardware. You’ll set up your board, write your code, and deploy a MicroPython project to your own device. REAL PYTHON

PEP 591: Adding a final Qualifier to Typing This PEP proposes a final qualifier to be added to the typing module—in the form of a final decorator and a Final type annotation—to serve three related purposes: Declaring that a method should not be overridden, declaring that a class should not be subclassed, declaring that a variable or attribute should not be reassigned. PYTHON.ORG

Doing Python Configuration Right “Let’s talk about configuring Python applications, specifically the kind that might live in multiple environments – dev, stage, production, etc.” MICHAEL WHALEN

8 Great pytest Plugins “One of the best aspects of the popular Python testing tool is its robust ecosystem. Here are eight of the best pytest plugins available.” OPENSOURCE.COM • Shared by Python Bytes FM

Two Malicious Python Libraries Caught Stealing SSH and GPG Keys Also see the related discussion on Hacker News. LUKAS MARTINI

Dismissing Python Garbage Collection at Instagram How Instagram’s Django backend runs with GC disabled and gets a 10% performance gain. INSTAGRAM ENGINEERING BLOG

Python Code Style & Pythonic Idioms A review of general concepts, language idioms, and Pythonic coding conventions. PYTHON-GUIDE.ORG

Inflationary Constant Factors and Why Python is Faster Than C++ (PDF) Why constant-factor differences in algorithm complexity do matter in practice. MEHRDAD NIKNAMI

Beautiful Soup: Build a Web Scraper With Python In this tutorial, you’ll walk through the main steps of the web scraping process. You’ll learn how to write a script that uses Python’s requests library to scrape data from a website. You’ll also use Beautiful Soup to extract the specific pieces of information that you’re interested in. REAL PYTHON

See How the Top BI Platforms Compare to Mode Analytics This month, Mode was named a leader in BI and analytics by G2 Crowd. G2 aggregated customer reviews for all the top BI platforms. See which companies do best in ease of setup, ease of admin, future direction, and more → MODE ANALYTICS sponsor

Variables in Python Learn how every item of data in a Python program can be described by the abstract term “object,” and how to manipulate objects using symbolic names called “variables.” REAL PYTHON video

3 Packages to Build a Spell Checker in Python “Learn what packages can work as a spell checker in Python. We’ll discuss pyspellchecker, TextBlob, and autocorrect for performing this task.” THEAUTOMATIC.NET

OCR in Python with Tesseract, OpenCV and Pytesseract Get started with Tesseract and OpenCV for OCR in Python: preprocessing, deep learning OCR, text extraction and limitations. FILIP ZELIC

Using Machine Learning to Learn How to Compress shrynk is a Python package that uses machine learning to compress your Pandas DataFrame (or Python dictionaries). VKS.AI • Shared by Pascal van Kooten

Installing & Updating Packages in Python Learn how to install, use, and update Python packages using pip, conda, and Anaconda Navigator. ERIK MARSJA

Measure and Improve Python Code Performance With Blackfire.io Profile in development, test/staging, and production, with no overhead for end users! Blackfire supports any Python version from 2.7.x and 3.x. Find bottlenecks in wall-time, I/O, CPU, memory, HTTP requests, and SQL queries. BLACKFIRE sponsor

Monitor Python Applications With Datadog APM and Distributed Tracing Datadog’s tracing client integrates with asynchronous libraries like asyncio, gevent, and Tornado. Trace requests across service boundaries to identify bottlenecks, and get the necessary context to debug critical errors. Dive into your Python applications today with a free 14-day trial of Datadog → DATADOG sponsor