Beautiful Language and Beautiful Code

language

“Dead Poet’s Society” is a classic film, and has become a recent favorite of mine. There’s a scene in particular that I enjoy, where Robin William’s character explains that it’s bad practice to use terms like “very tired” or “very sad”, instead we should use descriptive words like “exhausted” or “morose”! I wholeheartedly agree with …

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Intro to the One-Time Pad Cipher

eyeball art

In cryptography, the one-time pad, or OTP is a way of encrypting information so securely that it’s impossible to be cracked. That said, OTP has a major drawback in that it requires both parties to have access to the same key before a message is encrypted. How the one-time pad cipher works When using the one-time pad, a …

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Building a Red-Black Binary Tree in Python

red black

A red-black tree is a kind of self-balancing binary search tree. Each node stores an extra bit, which we will call the color, red or black. The color ensures that the tree remains approximately balanced during insertions and deletions. When the tree is modified, the new tree is rearranged and repainted to restore the coloring …

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How to Write Insertion Sort in Go

insert

Insertion sort builds a final sorted list one item at a time. It’s much less efficient on large lists than more advanced algorithms like quicksort or merge sort. Insertion sort is a simple algorithm that works just like you would arrange playing cards in your hands. A slice is first split into sorted and unsorted …

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Check for Standards Before Creating a New One

flags

I recently had a ticket opened on my team’s backlog board requesting the ability to bypass our API’s caching system. For context, our front-end team uses my team’s API to make fairly heavy requests to ElasticSearch, and one of the features of our API gateway is to cache the results of heavy aggregations for ~30 …

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How to Properly Use Defer in Golang

hand signal

What is the “defer” keyword in Go? In the Go programming language, defer is a keyword that allows developers to delay the execution of a function until the current function returns. What throws some people off is that the deferred function’s arguments are evaluated immediately, but the function itself doesn’t fire until the wrapping function …

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Comprehensive Guide to Dates and Times in Go

clock

Keeping track of time in code has long been a developer’s nightmare. While no language or package manages time perfectly, I’m of the opinion that Golang does a pretty good job out-of-the-box. This full tutorial is designed to answer ~90% of the questions you’ll have about managing time in Go. Table of Contents Overview – …

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Continuous Deployments != Continuous Disruptions

stream running down hill continuous

Luckily, I’ve met very few engineers in my career who are outright opposed to continuous deployment. That said, I have met some, and I think their hesitation is usually rooted in the myth that continuous causes more disruptions to end-users than a batched release cycle. What is continuous deployment? Before we get into the nitty-gritty …

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The 10x Meeting – Solving for Too Many Meetings

meetings on couch

Perhaps you’ve heard of the fabled 10x developer (or 10x engineer) – the one on the team that’s 10x as productive as their average colleague. While many, including myself, doubt the existence of such people, I do think there are meetings that are 10x as productive as the average meeting. My goal in this article …

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