Hello. My name is Alex Kessinger. I'm a principal engineer @ Stitch Fix. I write about what I'm reading, researching, and thinking. Find me on twitter @voidfiles.

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Latest Posts

A Systems Approach

Whatever it is that you do, if you have wondered about increasing productivity, improving outcomes or creating more long lasting value, you owe it to your self to learn a little about the study of systems. Okay, starting with the most banal definition of a system: A system is a group of interacting or interrelated entities that form a unified whole.[1] A system is delineated by its spatial and temporal boundaries, surrounded and influenced by its environment, described by its structure and purpose and expressed in its functioning. #

A Pile of Links

There must be a large and storied body of literature when it comes to curation, but I am unfortunately not familiar. I might have a chance someday, but for now, what I do have is this article from Frank Chimero “Sorting A Mass” 1. Up till this point, I had bookmarked anything and everything that came close to piquing my interest. But after this article, I remember bringing more of a critical eye to my reading. #

The Stream as a Guiding Metaphor

Being a child of the 80s I can recall a time before the internet permeated my entire reading experience. It was a happy accident for me and my career when I was able to access the internet on a daily bases. Before the internet, Wired came once a month. When I had enough money I’d buy 2600 (it’s hard to convince parents to subscribe to a “hackers” quarterly). Between publications, I’d dwell on the information. #

How To Download The Internet by Accident

Gonna start out the month with a fun and simple one. MP3 Blogs and wget by Jeffrey Veen. When I read this, I had a VPS, that I could barely keep running. I blindly ran the command in this post. The next morning I found that I had downloaded almost 30 gigabytes of MP3s. It forced me to learning about things about linux, and wget. This was important, because I got one of my first tech jobs because I knew about wget. #

500 articles to read!

500+ articles to read. That backlog took years to build. Years of, “Yea, I’ll totally read that”. Then not reading anything. While I was able to trash part of the backlog. (No, I don’t need to read “4 spaces are better then 2 when formatting code”). I still had a healthy backlog. To not keep anyone in suspense, I read it 1. Reading it reminded me of my favorite articles from years past. #

Advice for a software dev who is not a librarian but now finds themselves writing software for libraries

Well, around 3ish years ago I stared working for a company that sells software to libraries and I didn’t know a thing. I have learned a lot since then, but I am now embarking on a new journey and I would like to leave some advice to other software devs who might find themselves in similar situations. The best advice I can give is to find a community who can remind you of how important libraries are. #

Use Short-Lived AWS IAM Credentials For Everything

Managing IAM credentials is a burden. Besides juggling N separate credentials, I don’t want more secretes to manage. There must be a better way and I’m experimenting with some tools to find a better way. #

Programs are meant to be read by humans, and only incidentally for computers to execute.

PPK is on a tear. He’s having a conversation in public that I’ve been having for a few years. You really should read these three blog posts for context. I appreciate the discussion and I hope that it continues, but the scope is sufficiently broad enough that I won’t be able to go through it all point by point. Instead I would like to provide a framework for the disscussion, thats why I titled this blog post with a quote from Donald Knuth #

Full stack is more then a checkbox for your startup

The words full stack will quickly be overburdened, but for now they represents an ideal. The basic premise laid out by Chris Dixon. The new approach is to build a complete, end-to-end product or service that bypasses existing companies. Awesome, we now have this new word, and it’s a word that is getting used a lot from fund-raising, to job listings, to internal memos. Like any new label how the hell do you know if a company is actually full stack? #

On To My Next Adventure

Taken by a co-worker when App.net was still picplz. App.net is shutting It’s clearly the context for this post, but it’s not the point. I am leaving App.net to be the VP of Engineering at new company that should have a name shortly. Durring my time at App.net I constantly operated at the edge of my abilities, and past them sometimes. It was alternatingly painful and exhilirating. I will be processing my stay here for quite awhile, but the main thing I learned from App. #

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