#404 – JANUARY 21, 2020
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Comparing Python, Go, and C++ on the N-Queens Problem (PDF)
“Python currently is the dominant language in the field of Machine Learning but is often criticized for being slow to perform certain tasks. In this report, we use the well-known N-queens puzzle as a benchmark to show that once compiled using the Numba compiler it becomes competitive with C++ and Go in terms of execution speed while still allowing for very fast prototyping.”
PASCAL FUA, KRZYSZTOF LIS
Codemodding Python: Unittest Asserts to Python Asserts
Large codebases require continued maintenance, but it is time-consuming and cumbersome to change portions of code scattered around many files. This article shows how to write codemods to refactor Python code using its Abstract Syntax Tree—gaining far more granular control than basic regex and search-replace.
HANS-WILHELM WARLO
Automate & Standardize Code Reviews for Python
Take the hassle out of code reviews - Codacy flags errors automatically, directly from your Git workflow. Customize standards on coverage, duplication, complexity & style violations. Use in the cloud or on your servers for 30 different languages. Get started for free →
CODACY sponsor
Arcade: A Primer on the Python Game Framework
In this step-by-step tutorial, you’ll learn how to use arcade, a modern Python framework for crafting games with compelling graphics and sound. Object-oriented and built for Python 3.6 and up, arcade provides you a modern set of tools for crafting great Python game experiences.
REAL PYTHON
Creating a Simple Python Pip Repository
“I wanted the simplest (i.e. most lightweight) possible repository capable of serving packages in such a way as that Python’s pip would be able to install them.”
JAN-PIET MENS
Writing a Polyglot Script
Python and Ruby have somewhat similar syntaxes, could you come up with a program that’s valid in both languages?
NKANAEV.GITHUB.IO
Python Jobs
Python Developer (Malta)
Python Web Developer (Remote)
Software Engineer (Bristol, UK)
Python Developer (Remote)
Articles & Tutorials
Effectively Using Matplotlib
“Now that I have taken the time to learn some of these tools and how to use them with matplotlib, I have started to see matplotlib as an indispensable tool. This post will show how I use matplotlib and provide some recommendations for users getting started”
CHRIS MOFFITT
Scientific Python: Using SciPy for Optimization
Learn about the SciPy ecosystem and how it differs from the SciPy library. You’ll learn how to install SciPy using Anaconda or pip and see some of its modules. Then, you’ll focus on examples that use the clustering and optimization functionality in SciPy.
REAL PYTHON
Python 2 EOL: Survey Results
ActiveState surveyed Python users on how they’ve been preparing for Python 2 End of Life. Find out how your plans stack up, and which pitfalls to avoid. Get the survey results →
ACTIVESTATE sponsor
Basic Data Types in Python
In this course, you’ll learn the basic data types that are built into Python, like numbers, strings, and Booleans. You’ll also get an overview of Python’s built-in functions.
REAL PYTHON video
Unexpected Results With open() and CPython
“Misusing Python’s open() and the interaction of CPython’s GC and UNIX semantics can lead to unexpected results.”
JAVIER HONDUVILLA COTO
Having Some Fun With Python
Writing obfuscated code for fun and…great learning experiences! ;-)
JAMES BENNETT
Monads for Mortals (in Python)
Implementing and testing the identity monad in Python.
KNOWSUCHAGENCY.COM
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
Projects & Code
JustCause: Compare Methods for Causal Inference
JUSTCAUSE.READTHEDOCS.IO • Shared by Florian Wilhelm
Events
Python Meeting Düsseldorf
January 23, 2020
EGENIX.COM
PythOnRio Meetup
January 25, 2020
PYTHON.ORG.BR
Python Ho Monthly Meetup
January 26, 2020
EVENTBRITE.COM
Inland Empire Pyladies (CA, USA)
January 27, 2020
MEETUP.COM
Python Sheffield
January 28, 2020
GOOGLE.COM
Heidelberg Python Meetup
January 29, 2020
MEETUP.COM
PiterPy Breakfast
January 29, 2020
TIMEPAD.RU
SPb Python Drinkup
January 30, 2020
MEETUP.COM
PyCascades (10% Discount)
February 8th & 9th in Portland, OR. Get a 10% discount on your ticket courtesy of PyCoder’s with this link.
Happy Pythoning!
This was PyCoder’s Weekly Issue #404.
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