Summary Docker enables security mechanism for Spectre vulnerability by default. This degrades the performance of almost all CPU-intensive... (more…)

A function is a block of code that performs an operation usually a specific task. Functions help break our program into smaller and modular chunks, making them resusable and redable. They prevent repetition of code. You can pass data known as parameters... (more…)

What does it take to become a software engineer for a hedge fund? Is there any point in teaching yourself how to code? Do you need to go to university?

This week I was debugging a misbehaving Python program that makes significant use of Python’s asyncio. The program would eventually take very long periods of time to respond to network requests. My first suspicion was a CPU-heavy coroutine hogging the thr... (more…)

OpenCV is a powerful library for image and video manipulation, in this story, I would like to create a motion heatmap useful for detecting… (more…)