Issue #374 (June 25, 2019) (38)

How to Use Python Lambda Functions In this step-by-step tutorial, you’ll learn about Python lambda functions. You’ll see how they compare with regular functions and how you can use them in accordance with best practices. REAL PYTHON

How to Easily Use a Progress Bar in Python A survey of Python progress bar libraries like Progress, ProgressBar2, TQDM, Click, and Clint that allow you to add animated progress bars to your command-line apps. CODINGDOSE.INFO • Shared by Franccesco Orozco

We Ported a Qt App From C++ to Python. Here’s What Happened “Our experience at ICS with Python and PyQt is that large complex (typically desktop) applications can be developed with Python. Users can’t tell that it was implemented in Python and not C++. Performance is typically not an issue, and experienced Qt C++ developers can quickly make the transition to Python.” ICS.COM

Let’s Build a Simple Interpreter With Python Part 15 in Ruslan’s ongoing series about building an interpreter from scratch, with Python. RUSLAN SPIVAK

ARIMA Model: Complete Guide to Time Series Forecasting in Python In this post, you’ll build an optimal ARIMA model from scratch and extend it to Seasonal ARIMA (SARIMA) and SARIMAX models. You will also see how to build autoarima models in Python. MACHINELEARNINGPLUS.COM

Introduction to Python for C/Java Programmers A guide to Python written for an audience who is already familiar with languages such as C and Java. GITHUB.COM/IVOAH

Generating Random Data in Python In this course, you’ll cover several options for generating random data in Python, and then build up to a comparison of each in terms of its level of security, versatility, purpose, and speed. REAL PYTHON video

Building Standalone Python Applications With PyOxidizer “PyOxidizer’s marquee feature is that it can produce a single file executable containing a fully-featured Python interpreter, its extensions, standard library, and your application’s modules and resources.” GREGORY SZORC

Tips on How to Shorten the Run Time of a Large (> 1.5k Tests) Pytest Test Suite? TWITTER.COM/NIKLASMM

Python’s Mypy—Advanced Usage “In my last article, I covered some basic uses for Mypy. Here, I want to expand upon those basics and show how Mypy really digs deeply into type definitions, allowing you to describe your code in a way that lets you be more confident of its stability.” REUVEN LERNER

Basic Input, Output, and String Formatting in Python In this step-by-step Python tutorial, you’ll learn how to take user input from the keyboard with the built-in function input(), how to display output to the console with the built-in function print(), and how to format string data with the string modulo operator. REAL PYTHON

Parsing Nested JSON Records in Python “For analyzing complex JSON data in Python, there aren’t clear, general methods for extracting information […] This post provides a solution if one knows the path through the nested JSON to the desired information.” BRETT MULLINS

From Python to Go to Rust: An Opinionated Journey “Go is cool but doesn’t provide enough type safety for me. I would rather stick with Python and its ecosystem than risking re-writing stuff in Go if I don’t need concurrency.” Related discussion on Hacker News ALLO-MEDIA.NET

Behind the Scenes at the Python Software Foundation An interview about how the Python Software Foundation helps the language and community and how you can help them in their mission. PYTHONPODCAST.COM podcast

Clojure & Python, Side by Side (2011) “As an exercise, I translated Peter Norvig’s Sudoku solver from Python to Clojure.” JUSTIN KRAMER

Build a Custom Python Distro in Minutes Create a free account and: choose from our 500+ vetted packages, automatically pull in and resolve dependencies, install the distro in a virtual environment with a single command. Supports Python 3.6+ on Linux. Try now → ACTIVESTATE sponsor

Innovate Software at OSCON Join the O’Reilly Open Source Software Conference (OSCON) this July to see what’s shaping software development—from AI and cloud technology to distributed computing—and learn how to put it to work for you. Save 25% with code PYCODER. O'REILLY sponsor

Automated Code Reviews for Python Take the hassle out of code reviews—Codacy flags errors so you can fix them quickly. Address security concerns, code duplication, code complexity and drops in coverage, directly from your workflow. Click here to get started → CODACY sponsor