Uploading large files by chunking – featuring Python Flask and Dropzone.js

It can be a real pain to upload huge files. Many services limit their upload sizes to a few megabytes, and you don’t want a single connection open forever either. The super simple way to get around that is simply send the file in lots of...

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Interprocess Communications

Dealing with communications across programs, processes or even threads can be a real pain in the patella. Each situation usually calls for something slightly different and has to work with a limited set of options. On top of that, a lot of tutorials I see are people...

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ThreadPools explained – In the deep end

Thread and Multiprocessing Pools are an underused feature of Python. In my opinion, they are the easiest way to dip your feet into concurrency, and yet still the method I use most often. They allow you to easily offload CPU or I/O bound tasks to a...

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The Birthday Paradox – The Proof is in the Python

This month is my wife’s, mother’s and my own birthday, all within a span of nine days. What are the odds of that? No idea, I’m no statistician. However, as a developer, I thought it would be fun to prove (or disprove?) the Birthday Paradox with...

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Reusables – Part 2: Wrappers

Spice up your code with wrappers! In Python, a wrapper, also known as a decorator, is simply encapsulating a function within other functions. @wrapper def my_func(a, b=2): print(b) @meta_decorator(foo=”bar”) def my_other_func(**kwargs): print(kwargs) In Reusables, all the wrappers take arguments, aka meta decorators, so you will at...

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