Blog

I write about Python, productivity for developers (dotfiles, CLI tools, etc.), micro-entrepreneurship (i.e. side projects that I built), and whatever else interested me at this time.

15 Oct 2020

type() vs. isinstance()

What's the difference between type() and isinstance() methods, and which one is better for checking the type of an object?

#Python #Writing Faster Python

08 Oct 2020

Membership Testing

Why iterating over the whole list is a bad idea, what data structure is best for membership testing, and when it makes sense to use it?

#Python #Writing Faster Python

01 Oct 2020

Checking for True or False

How can we compare a variable to True or False, what's the difference between "is" and "==" operators, and what are truthy values?

#Python #Writing Faster Python

24 Sep 2020

Sorting Lists

What's the fastest way to sort a list? When can you use sort() and when you need to use sorted() instead?

#Python #Writing Faster Python

17 Sep 2020

For Loop vs. List Comprehension

Simple "for loops" can be replaced with a list comprehension. But is it going to make our code faster? And what limitations list comprehension has?

#Python #Writing Faster Python

10 Sep 2020

Ordered Dictionaries

Dictionaries in the latest Python versions preserve the insertion order. So, is there any reason to use the OrderedDict as we used to do in the past?

#Python #Writing Faster Python

03 Sep 2020

Easy Speedup Wins With Numba

Numba library has plenty of tools to speed up your mathematical-heavy programs. From a simple @jit decorator, all the way to running your code on a CUDA GPU.

#Python #Writing Faster Python