By Dan Bader — Get free updates of new posts here. A tutorial on how to find out whether a file (or directory) exists using Python built-ins and functions from Continue ReadingHow to Check if a File Exists in Python
A step-by-step introduction to basic Python package management skills with the “pip” command. Learn how to install and remove third-party modules from PyPI. Python is approaching its third decade of Continue ReadingHow to Install and Uninstall Python Packages Using Pip
By Dan Bader — Get free updates of new posts here. Understanding iterators is a milestone for any serious Pythonista. With this step-by-step tutorial you’ll understanding class-based iterators in Python, Continue ReadingPython Iterators: A Step-By-Step Introduction
By Dan Bader — Get free updates of new posts here. How and why to implement Python “to string” conversion in your own classes using Python’s “repr” and “str” mechanisms Continue ReadingPython String Conversion 101: Why Every Class Needs a “repr”
Have you ever seen Python’s enumerate function being used like this? for (i, value) in enumerate(values): … In Python, you can unpack nested data structures in sophisticated ways, but the Continue ReadingUnpacking Nested Data Structures in Python
If you’ve ever implemented a class-based iterator from scratch in Python, you know that this endeavour requires writing quite a bit of boilerplate code. And yet, iterators are so useful Continue ReadingWhat Are Python Generators?
By Dan Bader — Get free updates of new posts here. Generator expressions are a high-performance, memory–efficient generalization of list comprehensions and generators. In this tutorial you’ll learn how to Continue ReadingGenerator Expressions in Python: An Introduction
An end-to-end tutorial of how to extend your Python programs with libraries written in C, using the built-in “ctypes” module. The built-in ctypes module is a powerful feature in Python, Continue ReadingExtending Python With C Libraries and the “ctypes” Module
Contributing to open-source projects is a great way to build your programming skills, take part in the community, and to make a real impact with your code… It can also Continue ReadingContributing to Python Open-Source Projects
By Dan Bader — Get free updates of new posts here. Learn a simple trick for keeping your Python code organized and maintainable—even as a project grows over time. How Continue ReadingHow to Structure Your Python Programs
I got this email with Python career questions from newsletter reader Brad: First, with regards to your Python Tricks book, I thought it was well-written and well-priced. I got good Continue ReadingGetting a Job as a Self-Taught Python Developer
Learn how to create your own Domain Specific Language with Python from scratch with this step-by-step tutorial. A Domain Specific Language, or DSL for short, is a language that’s specialized Continue ReadingWriting a Domain Specific Language (DSL) in Python
Basically, parallel computing allows you to carry out many calculations at the same time, thus reducing the amount of time it takes to run your program to completion. I know, Continue ReadingPython Parallel Computing (in 60 Seconds or less)
By Dan Bader — Get free updates of new posts here. I’m getting a ton of emails, Tweets, and YouTube comments from people with questions about my new book. Here’s Continue ReadingPython Tricks: The Book Launch FAQ
Learn advanced patterns for interfacing Python with native libraries, like dealing with C structs from Python and pass-by-value versus pass-by-reference semantics. The built-in ctypes module is a powerful feature in Continue ReadingInterfacing Python and C: Advanced “ctypes” Features
