Howchoo – How-to and DIY Guides for Makers, Programmers, and Everyone

Joined in 2020

Nick McCullum is a Python and JavaScript developer from New Brunswick, Canada. Nick teaches Python, SQL, and JavaScript courses on his website: https://nickmccullum.com/.

Python Dictionary Comprehension (With Examples)

In Python, comprehensions are a useful construct that allows us to create new sequences in a very concise way.

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In these interests: code python

Send Slack Messages With Python: Intro to Python slackclient

Slack has become one of the most important tools for communication in many companies, mine included.

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In these interests: slack python

How to Specify Positional-Only Parameters in Python

If you’re familiar with Python’s keyword-only arguments, then you’ve probably wondered why the same constraint doesn’t exist for positional arguments. This changes with Python 3.

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In these interests: code python

Specify a parallel filesystem cache for compiled bytecode

AKA the Walrus Operator

Learn how to use formatted string literals in Python

While this requirement may seem rare, learning how to nest defaultdicts properly can be extremely powerful and save you from bloated and confusing initialization code.

In Python, we often run into scenarios where we need to merge two or more lists. This is also called list concatenation, and Python provides multiple methods for accomplishing this.

Find and fix slow running Python unit tests

In Python, range is an immutable sequence type, meaning it’s a class that generates a sequence of numbers that cannot be modified.

Python is howchoo’s favorite programming language. We believe python promotes the most organized and performant codebase possible. We also love Django so, naturally, we love Python.

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