Daily Python: PyCoder’s Weekly: Issue #357 (Feb. 26, 2019)

#357 – FEBRUARY 26, 2019
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Reading and Writing Files in Python (Guide)

In this tutorial, you’ll learn about reading and writing files in Python. You’ll cover everything from what a file is made up of to which libraries can help you along that way. You’ll also take a look at some basic scenarios of file usage as well as some advanced techniques.
REAL PYTHON

PyCascades 2019 Conference Recordings

The video recordings for Day 1 and Day 2 are available on YouTube. I had a blast at the conference, see you all again next year! :)
YOUTUBE.COM video

Find a Python Job Through Vettery

Vettery specializes in developer roles and is completely free for job seekers. Interested? Submit your profile, and if accepted, you can receive interview requests directly from top companies seeking Python devs. Get started →
VETTERY sponsor

Happy (Belated) Birthday, Python!

On February 20, 1991 Guido published the first public release of Python (version 0.9.0) on the alt.sources newsgroup. Happy Birthday!
PYTHON-HISTORY.BLOGSPOT.COM

CPython 3.8.0a2 Released

This is the second alpha release of Python 3.8. One major new feature is shared memory for multiprocessing, which will bring speed ups for multi-core workloads.
PYTHON.ORG

Famous Laws of Software Development

Like any other field, the world of software development has some interesting and famous rules, principles and laws. Fun afternoon read over a cup of coffee.
TIM SOMMER

Python vs Java: The Programming Language Fight for Dominance

Java and Python both have become a programming language of choice. However, both have their strong and weak points. Which one should you choose?
TAPAN VORA • Shared by Harsh Binani

Even a Feature That You Do Not Use Can Bite You

“Let’s have a look at a simple piece of Python code that I have both accidentally written and seen in code reviews which does an entirely different thing than expected.”
PETR ZEMEK

Data Elixir: Data Science Newsletter

Data Elixir is an email newsletter that keeps you on top of the tools and trends in Data Science. Curated weekly with top picks from around the web.
DATAELIXIR.COM

How to Write a Python Web Framework

Sometimes it’s fun to reinvent the wheel! Learn how to write your own Python web framework just like Flask and Django. Part 2 is here.
JAHONGIR RAHMONOV

Discussions

`slots` Is Underappreciated

RAYMOND HETTINGER

The 5 Stages of Debugging ;-)

TWITTER.COM/REALPYTHON

Flask or Django? I Am Mostly Just Interested in Developing MVPs

Python Jobs

Articles & Tutorials

Django ORM Optimization Story

A step-by-step optimization story of how Peter optimized a Django ORM query for speed. Some good tips to be had if you’re starting out with Django!
PETER BENGTSSON

Let’s Talk About Data Structures in Python

Discusses the most important data structures in Python. How they work, when to use them and how to use them. Also covers a little bit of Big-O notation which helps to describe effectiveness of algorithms and data structures.
DENIS OREHOVSKY • Shared by Denis Orehovsky

Python Opportunities Come to You on Indeed Prime

Indeed prime is a hiring platform exclusively for tech talent like you. If you’re accepted, we’ll match you with companies and roles that line up with your skills, career goals and salary expectations. Apply for free today.
INDEED sponsor

What the Mock? A Cheatsheet for Mocking in Python

An introduction and cheatsheet for using unittest.mock in Python.
YERAY DIAZ

Hunting for Memory Leaks in Python Applications

How to profile memory usage across time in your Python apps in order to find and fix memory leaks.
WAI CHEE YAU

Initial Impressions of Scala From a Python Data Engineer

MATT HAGY

Forecasting in Python With Prophet

A guided walkthrough of how to use the Prophet Python library to solve a common forecasting problem.
MODE.COM

Skipping Tests Depending on the Python Version

Short and sweet unittest tip on how you can run certain tests only on a specific version of Python.
ANDREA GRANDI

Sorting and Merging Single Linked List

Learn how to how to sort a custom linked list implementation in Python using bubble and merge sort, and how to merge two sorted linked lists.
USMAN MALIK

B&W Image Colorization With OpenCV and Deep Learning

In this guide, you will learn how to colorize black and white images using OpenCV, Deep Learning, and Python.
ADRIAN ROSEBROCK

The CPython Bytecode Compiler Is Dumb

“One fact has become quite apparent: the CPython bytecode compiler is pretty dumb. With a few exceptions, it’s a very literal translation of a Python program, and there is almost no optimization.”
CHRIS WELLONS opinion

Mentored Sprints for Diverse Beginners at PyCon 2019

Mentored sprints for diverse community members on the 4th of May 2019 during the main PyCon session in Cleveland, OH. You can apply to participate or become a mentor.
PYCON.ORG • Shared by Nina Zakharenko

Quick Intro to `namedtuple`

Python’s namedtuples are a great way to write more readable code, but, if you’ve never heard about them, here’s a quick summary.
MILTON LENIS

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Tuesday, February 26, 2019

PyCoder’s Weekly: Issue #357 (Feb. 26, 2019)

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