Assert, Downloading Concurrently, Troubleshooting, and More

#514 – MARCH 1, 2022 VIEW IN BROWSER
The PyCoder’s Weekly Logo
Python’s Assert: Debug and Test Your Code Like a Pro
Learn how to use Python’s assert statement to document, debug, and test code in development.
REAL PYTHON

How to Download Books Concurrently From Project Gutenberg
Using threads to download multiple books from Project Gutenberg at the same time.
JASON BROWNLEE

Troubleshoot Python Application Performance Errors Fast With Datadog’s end-to-end Tracing
Datadog’s APM generates detailed flame graphs to help you identify bottlenecks and latency in your code. Navigate seamlessly between Python application traces to relevant logs and metrics to troubleshoot and resolve the application error without switching tools or context. Try Datadog APM free →
DATADOGsponsor

Interactive Visualizations With Pandas, Seaborn and Ipywidgets
Creating interactive visual output using ipywidgets.
ZOLTAN GUBA

PyPy v7.3.8 Released With Support for Python 2.7, 3.7-3.9
PYPY.ORG

Python Core Moving Bug Tracking to Github
PYTHON.ORG

Tomli TOML Parser Will Be in Python 3.11 Standard Library
GITHUB.COM/HUKKIN • Shared by Markku Leiniö


Discussions


How to write better scientific code in Python?
Discussion about Oleg Żero’s article of the same name.
HACKER NEWS

Logging Levels: Rule-of-Thumb to Assign Log Levels
STACK OVERFLOW


Python Jobs


Senior Full-Stack Web Developer (White Rock, BC, Canada)
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Python Software Engineer (Anywhere)
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Sr Python Engineer (Anywhere)
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DATAPANE

Backend Software Engineer (Asia Pacific Region)
CATALPA INTERNATIONAL

Full Stack Software Engineer, Python (United States)
DEEP SENTINEL

Senior Software Engineer (Anywhere)
DROICE LABS

Python Trainer (Jakarta, Indonesia)
PHYSIKALISCH-TECHNISCHE BUNDESANSTALT

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Articles & Tutorials


Starting With Linear Regression in Python
Linear regression is a statistical and machine learning technique, learn how to do it in Python.
REAL PYTHON course

A Guide to Outlier Detection in Python
Outlier detection is the process of identifying data points that have extreme values compared to the rest of the distribution. Python offers a number of packages for carrying this analysis out.
SADRACH PIERRE

Performance Monitoring Built for Developers, by Developers
Scout APM is an application performance monitoring tool that ties performance anomalies directly to endpoints, saving developers hours of time spent on troubleshooting and debugging. See why Scout is a developer’s best friend with a free 14-day trial, no credit card required →
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How to Use Python’s Py Launcher for Windows
“Take control of multiple Python installations in Windows with the py launcher, available as part of a standard Python installation.”
SERDAR YEGULALP

Red Flags to Look Out for When Joining a Data Team
What to consider for in terms of the current data situation, roadmaps, role and expectations, tooling, and more.
EUGENE YAN

How to Deploy a Jupyter Notebook to Docker
What Docker is, why you should use it, and how to deploy a Jupyter notebook in a container.
EDEM GOLD

The Thirty Minute Rule
What to do when you get stuck on a coding issue for more than 30 minutes.
DANIEL ROY GREENFELD

NumPy Examples: 45 Practice Questions
Practice questions to perfect your NumPy skills. Answer key available.
JOHN LOCKWOOD

Mocking in Python Has Never Been Easier
How to use Pytest’s Mock Generator to simplify your test writing.
PETER KOGAN • Shared by Peter Kogan

Marathon Training Analysis Using the Strava API and Python
How to use the Strava API and Python to analyze race day data.
CONAN MERCER

Find Your Next Tech Job Through Hired
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Faster NumPy Through Numba
Using Numba, a just-in-time compiler for NumPy arrays.
ITAMAR TURNER-TRAURING

Testing Weak References
Testing when using weak-referenced objects.
PAUL GANSSLE


Projects & Code


Brought to you by Real Python for Teams
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blacken-docs: Run black on Python Code Blocks in Documentation Files
GITHUB.COM/ASOTTILE

codecat: Open-Source Static Code Analysis
GITHUB.COM/COOLERVOID

pyTermTk: Python Terminal Toolkit, TUI widget library
GITHUB.COM/CECCOPIERANGIOLIEUGENIO

mercury: Tool for Converting Python Notebook to a Web App
GITHUB.COM/MLJAR • Shared by Piotr

Practical Python Projects Book
YASOOB.ME • Shared by Yasoob Khalid

Cheat Sheets for Django Class-Based-Views
CCBV.CO.UK

Happy Pythoning!
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Faster Code, Multiple Constructors, Dockerizing Django, and More

Tuesday, February 22, 2022

How We Optimized Python API Server Code 100x #513 – FEBRUARY 22, 2022 VIEW IN BROWSER The PyCoder's Weekly Logo How We Optimized Python API Server Code 100x Tricks we used to speed up calls to our

Unit Test Docs, Python zipfile, Django Runs Black, and More

Tuesday, February 15, 2022

Documentation Unit Tests #512 – FEBRUARY 15, 2022 VIEW IN BROWSER The PyCoder's Weekly Logo Documentation Unit Tests Interesting approach to keeping documentation and code in sync: introspecting

typing.Protocol, args and kwargs, CPython 3.11.0a5 Released, and More

Tuesday, February 8, 2022

Defining Python Functions With Optional Arguments #511 – FEBRUARY 8, 2022 VIEW IN BROWSER The PyCoder's Weekly Logo Defining Python Functions With Optional Arguments Learn about Python optional

Python JIT, Security Pitfalls, macOS Deprecates Python 2, Black Formatter Stable Release, and More

Tuesday, February 1, 2022

What Is a JIT and How Can Pyjion Speed Up Your Python? #510 – FEBRUARY 1, 2022 VIEW IN BROWSER The PyCoder's Weekly Logo What Is a JIT and How Can Pyjion Speed Up Your Python? How can you can speed

PEP 646 Accepted, Strict Function Parameters, Solving Wordle, and More

Tuesday, January 25, 2022

PEP 646: Variadic Generics Was Accepted #509 – JANUARY 25, 2022 VIEW IN BROWSER The PyCoder's Weekly Logo PEP 646: Variadic Generics Was Accepted This PEP introduces TypeVarTuple , enabling

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