PyCoder’s Weekly: Issue #380 (Aug. 6, 2019)

#380 – AUGUST 6, 2019
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What You Need to Know to Manage Users in Django Admin

Learn what you need to know to manage users in Django admin. Out of the box, Django admin doesn’t enforce special restrictions on the user admin. This can lead to dangerous scenarios that might compromise your system.
REAL PYTHON

Why Your Mock Doesn’t Work

“Mocking is a powerful technique for isolating tests from undesired interactions among components. But often people find their mock isn’t taking effect, and it’s not clear why. Hopefully this explanation will clear things up.”
NED BATCHELDER

Try the Python IDE for Professional Developers

PyCharm provides smart code completion, code inspections, on-the-fly error highlighting and quick-fixes, along with automated code refactorings and rich navigation capabilities. Try it now →
JETBRAINSsponsor

Django Security Releases Issued: 2.2.4, 2.1.11 and 1.11.23

Addresses DoS possibilities in django.utils.text.Truncator, strip_tags(), django.utils.encoding.uri_to_iri(), and a potential SQL injection issue in JSONField/HStoreField.
DJANGOPROJECT.COM

First Steps With PySpark and Big Data Processing

Take your first steps with Spark, PySpark, and Big Data processing concepts using intermediate Python concepts.
REAL PYTHON

Improve Your Django Tests With Fakes and Factories

This blog post is an introduction into unit testing in Django. It offers an explanation on what are faker and factories and code examples illustrating them.
MARTIN ANGELOV

Memory Management in Python

This article describes memory management in CPython 3.6 and how it uses a pool allocator called PyMalloc to speed-up memory operations and reduce fragmentation.
ARTEM GOLUBIN

PEP 589 – TypedDict: Type Hints for Dictionaries With a Fixed Set of Keys

PYTHON.ORG

Discussions

Do You Know That You Can Now Upload PyPI Packages Using API Tokens?

TWITTER.COM/NLHKABU

Matlab vs Python

Python Jobs

Articles & Tutorials

Exploring Mathematics With Matplotlib and Python

“Data Visualization can be a great tool for mathematical exploration and experimentation. In this article, I show you an example using Matplotlib and Python.”
ANTONIO CANGIANO

How to Make a Scatter Plot in Python Using Seaborn

Learn how to make scatter plots, adding trend lines, text, rotating the labels, changing color, and markers, among other things.
ERIK MARSJA

All-in-One Visual Testing and Review Platform

Visually test your web app, component library, or static site across browsers and responsive widths to catch UI bugs and ship with complete confidence. Get started for free →
PERCYsponsor

A Python Prompt Into a Running Process: Debugging With Manhole

“Sometimes your Python process will behave strangely, run slowly, or give you the wrong answers. And while hopefully you have logging, the logging isn’t always enough. So how do you debug this process?”
ITAMAR TURNER-TRAURING

11 Beginner Tips for Learning Python

In this course, you’ll see several learning strategies and tips that will help you jumpstart your journey towards becoming a rockstar Python programmer!
REAL PYTHONvideo

Image Classification With Transfer Learning and PyTorch

In this article you’ll go over the theory behind transfer learning and see how to carry out an example of transfer learning on Convolutional Neural Networks (CNNs) in PyTorch.
DAN NELSON

Implementing a Photo Stylizer in Python Using a QuadTree Algorithm

Learn how to write a Python script to create a quadtree based filter for stylizing photos.
RICHARD BARELLA

A Simple Explanation of the Softmax Function

What Softmax is, how it’s used, and how to implement it in Python.
VICTOR ZHOU

Python Basics: A Practical Introduction to Python 3

Make the leap from Beginner to Intermediate in Python with this complete curriculum freshly updated for Python 3.7. Includes exercises, interactive quizzes, and sample projects so you’ll always know what to focus on next. Get the book today and save 27% →
REAL PYTHONbooksponsor

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