#457 – JANUARY 26, 2021
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Unravelling for Statements
Learn how Python’s for statement works behind the scenes by diving into the bytecode and CPython source code.
BRETT CANNON
You Don’t Really Need a Virtualenv
Virtual environments are a staple of the Python world, but they aren’t without their drawbacks. Learn why virtual environments aren’t always the right solutions and how to get around them without sacrificing dependency isolation.
FROST MING • Shared by Frost Ming
Tackle Architecture Issues on Your Complex Django Codebase
As a Python developer, you know how Django speeds-up product workflow. Still, even Django has its challenges as the codebase evolves. Over time, your team may end up with architecture and performance constraints. We’re a battle-proof consultancy ready to help. Request a free consulting meeting →
VINTA SOFTWARE sponsor
Dying, Fast and Slow: Out-Of-Memory Crashes in Python
Learn about the different ways that memory issues can manifest in your Python programs, and how you can debug and fix them.
ITAMAR TURNER-TRAURING
C for Python Programmers
In this tutorial, you’ll learn the basics of the C language, which is used in the source code for CPython, the most popular Python implementation. Learning C is important for Python programmers interested in contributing to CPython.
REAL PYTHON
Discussions
What Are “Soft Keywords”?
Today I learned Python has two kinds of keywords!
STACK OVERFLOW
Python Jobs
Advanced Python Engineer (Newport Beach, CA, USA)
Entry-Level Engineering Programme (London, UK)
Senior Backend Engineer (London, UK)
Backend Engineer (London, UK)
Articles & Tutorials
Creating an Interactive Online Python Conference for PyCascades 2021
How do you create a virtual conference that retains the interactivity of an in-person event? What are the tools needed for talk submissions, ticketing, and live hosting? Can you find those tools written in Python?
REAL PYTHON podcast
Using Environment Variables in Python for App Configuration
Learn how to use environment variables to configure your Python applications. You’ll see why using environment variables makes sense, as well as how to read, write, and delete environment variables using Python.
RYAN BLUNDEN • Shared by Ryan Blunden
10 Python Security Best Practices (Cheat Sheet)
Learn how to avoid malicious packages in PyPI, fix common Python vulnerabilities, and more.
SNYK.IO sponsor
Which Django Version Should I Use?
When you’re starting a new Django project, which version of Django should you use? In this short opinion piece, Matt Layman lays out an argument for always starting with the latest version.
MATT LAYMAN opinion
Evaluate Expressions Dynamically With Python eval()
Learn how Python’s eval() works and how to use it effectively in your programs. Additionally, you’ll learn how to minimize the security risks associated with the use of eval().
REAL PYTHON course
Classical Aerodynamics With Python
This open-source series of lectures walks you through understanding classical aerodynamics and presents computations with Python in Jupyter Notebooks.
LORENA BARBA AND OLIVIER MESNARD
CPython Internals: Your Guide to the Python 3 Interpreter (Launch Discount – Save 45%)
Unlock the inner workings of the Python language, compile the Python interpreter from source code, and participate in the development of CPython. The new “CPython Internals” book shows you exactly how. Claim your launch discount until Thursday night →
ANTHONY SHAW sponsor
Using Python & Pandas Datareader to Analyze Financial Data
Learn how to use the pandas-datareader package to do statistical analysis on financial data by comparing volatility in the S&P 500 to the Nasdaq.
OLIVIA JOHNSON
Getting Started With the Raspberry Pi Pico Using MicroPython and C
Learn how to set-up the new Raspberry Pi Pico and get up and running with a program that blinks an LED using MicroPython and C.
JEAN-LUC AUFRANC
How to Use Python: Your First Steps
Learn the basics of how to use Python. With this knowledge, you’ll be able to start coding your Python applications.
REAL PYTHON
The Quick Start Guide to Plotting Histograms in Seaborn
Get a quick introduction to plotting histograms with the Seaborn package.
BEN COOK • Shared by Ben Cook
Projects & Code
Events
Real Python Office Hours (Virtual)
January 27, 2020
REALPYTHON.COM
PyCascades 2021 (Virtual)
February 19 – 21, 2021
PYCASCADES.COM
PyCon 2021 (Virtual)
May 12 – 18, 2021
PYCON.ORG
Happy Pythoning!
This was PyCoder’s Weekly Issue #457.
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