From forcing keyword arguments to anonymous functions

1. Forced Keyword Arguments

  • You’re not forced into a particular order in which you supply your arguments. The name matters — not the position.
  • Keyword arguments provide clarity. Without looking up the function itself, you can often guess what the argument is used for by looking at the names.

A handpicked list of the most useful and surprising Python packages from PyPI

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1. Dash

And all the reasons why they are wrong

1. Indentation instead of curly braces

What is it, when to use, with Python example code

  • What Bloom filters are
  • Why and when you can use a Bloom filter

Bloom filter in Python

With the full source code so you can build one yourself too

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A quick overview of Visual Studio Code and its features

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What is an IDE?

JSON in Python is easy; get up and running quickly

Importing the JSON library in Python

import json

Learn how to write polished and efficient Python code

What Are List Comprehensions?

Educational and surprising insights into how Python is used

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1. Urllib3


  • Thread safety.
  • Connection pooling.
  • Client-side SSL/TLS verification.
  • File uploads…

Learn what it is, and how and when to implement it

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What is concurrency?

  • With threading, by letting multiple threads take turns.
  • By firing off a task and continuing to do other stuff, instead of waiting for an answer from the network or disk. This is how asynchronous IO operates with the asyncio library.
  • With multiprocessing we’re using multiple processes. This way we can truly do more than one thing at a time using multiple processor cores. This is called parallelism.

Concurrency is working…

Python Land

Start learning Python — companion to

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