#491 – SEPTEMBER 21, 2021
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Structural Pattern Matching in Python 3.10
“Python 3.10, which is due out in early October 2021, will include a large new language feature called structural pattern matching. This article is a critical but (hopefully) informative presentation of the feature, with examples based on real-world code.”
BEN HOYT
Build a Personal Diary With Django and Python
In this beginner-friendly tutorial, you’ll build a personal diary app in Django. You’ll use the strengths of the Django web framework and learn the basics of web development with Python.
REAL PYTHON
Get Deeper Insights Into Your Python Code-Level Performance and Reduce End-User Latency
Datadog APM enables you to detect the methods that consume the most CPU, memory, and time under real work loads allowing you to optimize code in real-time to reduce end-user latency and cloud provider costs. Optimize your Python app performance at any scale. See for yourself with a free trial →
DATADOG sponsor
(Not) Unravelling Generator Expressions
What does that look like if you take away the Python “magic” of generator expressions and unravel them down to their core Python semantics?
BRETT CANNON
Python Anti-Pattern: Using a Mutable Default Value as an Argument
A debugging post-mortem.
VALI VOICU
Discussions
Python Jobs
Senior Software Engineer (Washington D.C.)
Senior Backend Software Engineer (Remote)
Articles & Tutorials
Programming Languages: Python Is on the Verge of Another Big Step Forward
Python could soon take first place in one more programming language popularity ranking: “Python has never been so close to the number 1 position of the TIOBE index,” writes Paul Jansen, chief of Tiobe software. “It only needs to bridge 0.16% to surpass C. This might happen any time now. If Python becomes number 1, a new milestone has been reached in the TIOBE index. Only 2 other languages have ever been leading the pack so far, i.e. C and Java.”
LIAM TUNG
Pass by Reference in Python: Best Practices
In this course, you’ll explore the concept of passing by reference and learn how it relates to Python’s own system for handling function arguments. You’ll look at several use cases for passing by reference and learn some best practices for implementing pass-by-reference constructs in Python.
REAL PYTHON course
Rev APIs Solve All of Your Speech-to-Text Needs
Rev.ai is the most sophisticated automatic speech recognition in the world. Our speech-to-text APIs are more accurate, easier to use, and have less bias than competitors like Google, Amazon, and Microsoft. Try Rev.ai free for five hours right now →
REV.AI sponsor
Using the “and” Boolean Operator in Python
In this step-by-step tutorial, you’ll learn how Python’s “and” operator works and how to use it in your code. You’ll get to know its special features and see what kind of programming problems you can solve by using “and” in Python.
REAL PYTHON
Validating and Formatting Phone Numbers in Python With phonenumbers
This article explains how to validate phonenumbers using the phonenumbers library. It also shows how to extract the meta information (such as carrier, geographical) from a phone number.
RUSLAN HASANOV • Shared by Ruslan Hasanov
How to Send Emails With Python
Learn how to send emails with Python using the smtplib and email modules. You’ll also learn how to send attachments.
MIKE DRISCOLL
DataStax Astra DB – Built on Apache Cassandra. Get 80 Gigabytes of Storage Free Every Month
Need global scale on a startup budget? DataStax Astra DB is a multi-cloud DBaaS built on Apache Cassandra. Painless APIs, always free for developers, and no credit card required.
DATASTAX sponsor
Introduction to Django slippers: Reusable Components
Slippers aims to augment Django’s template language with convenience features for writing reusable components.
MITCHEL CABULOY
How I Patched Python to Include Ruby’s Inline “if”
What the author learned from adding “else-less” functionality to Python, as inspired by Ruby.
MIGUEL BRITO
Projects & Code
Events
Real Python Office Hours (Virtual)
September 22, 2021
REALPYTHON.COM
PyDelhi User Group Meetup
September 25, 2021
MEETUP.COM
PythOnRio Meetup
September 25, 2021
PYTHON.ORG.BR
Introduction to the Python Programming Language (In Persian)
September 28, 2021
INSTAGRAM.COM
Dominican Republic Python User Group
September 28 to September 29, 2021
PYTHON.DO
Happy Pythoning!
This was PyCoder’s Weekly Issue #491.
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