@BrettRowberry profile picture
Brett Rowberry @BrettRowberry

Functional programming and DevOps. Ask me about Clojure, F#, and Apple. Husband. Dad. Follower of Christ.

Joined July 2013
  • Tweets 2,100
  • Following 490
  • Followers 407
36 Photos and videos
New blog post brettrowberry.com/vertical-t…

Vertical Tabs in Chrome

I've been using Arc Browser for a long time. Why? Because I love vertical tabs in my browser. They allow me to read more of each tab's title when I have a lot of tabs. What Are Vertical Tabs? Tabs are

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I came across this article today and loved it. Self-serve first! medium.com/@gokulrajaram/sel…

Self-serve first: the overlooked but essential paradigm underlying great software companies

“My biggest regret is that our first customer was $1M ACV*,” my friend lamented over coffee the other day. “I wish I could take it back.”

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Transpose a Matrix in Clojure { by @BrettRowberry } from @hashnode brettrowberry.com/transpose-…

Transpose a Matrix in Clojure

Imagine rows of letters, numbers, and Greek letters: [[:a :b] [:1 :2] [:alpha :beta]] Now, you want to transpose them. You started with a vector of vectors. Clojure's map function is pretty amazing

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Binary Search in Clojure { by @BrettRowberry } from @hashnode brettrowberry.com/binary-sea…

Binary Search in Clojure

I decided to implement linear search before going after binary search. Now, I’m ready! With linear search, we required the elements be sorted. We didn’t require the elements be bounded. In binary...

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Linear Search in Clojure { by @BrettRowberry } from @hashnode brettrowberry.com/linear-sea…

Linear Search in Clojure

I consider myself a classically trained computer scientist. However, I don’t regularly practice implementing algorithms at home. I hope to do more of that! At work, I do much higher level things,...

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Clojure , ', and unchecked-add { by @BrettRowberry } from @hashnode brettrowberry.com/clojure-pl…

Clojure , ', and unchecked-add

In Clojure core there’s a handy function, . I’ll bet you know what it does: ( 1 2 3) ;;=> 6 Let’s introduce a handy function as we explore: (defn value-and-type [& args] (map (juxt identity type)...

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Clojure Ratios { by @BrettRowberry } from @hashnode brettrowberry.com/clojure-ra…

Clojure Ratios

Computers do math really quickly. Yet, computers struggle with all kinds of things with math. Take, for example, the simple fraction: 2/3. This should be easy to store right? In most languages, it...

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Repeating Digits in Clojure { by @BrettRowberry } from @hashnode brettrowberry.com/repeating-…

Repeating Digits in Clojure

My son asked me if I could make the computer double numbers, like 2 4 6 → 22 44 66 I started with a really ugly solution: (map (fn [x] (parse-long (clojure.string/join "" [(str x) (str x)]))) [2 4...

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Sliding Windows in Clojure { by @BrettRowberry } from @hashnode brettrowberry.com/sliding-wi…

Sliding Windows in Clojure

I was doing a little Clojure programming and my son asked me if the computer could make it go 1 2 3, 2 3 4, 3 4 5, … I thought, hmm, that’s a sliding window. Here was my first thought: (->> (range 1...

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VS Code: Simple Browser { by @BrettRowberry } from @hashnode brettrowberry.com/vs-code-si…

VS Code: Simple Browser

Updated September 16, 2025 to indicate that Flares have a singleton mode as explained by PEZ. I just learned about Calva Flares. Then I wondered, is there something built into VS Code for viewing...

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Calva Flares { by @BrettRowberry } from @hashnode brettrowberry.com/calva-flar…

Calva Flares

Updated September 16, 2025 after PEZ showed me how to use the sidebar panel. I was playing with some Clojure code in Calva for Visual Studio Code and stumbled onto a feature. In my Primary Side Bar,...

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New blog post: Sales Promises brettrowberry.com/sales-prom…

Sales Promises

Imagine you’re a salesperson for a boutique car manufacturer and you’re having a sales conversation with a new, important customer: Customer: Thanks for seeing me. I’m really looking forward to one...

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New blog post brettrowberry.com/understand…

Understanding Stacks

In computer science, a stack is what you think it is. A pile. There are two important restrictions: Only add to the top Only remove from the top To illustrate, let’s track how we get dressed using a...

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Splash is looking for senior Clojure engineers that can work regular US hours. If that's you, please apply! job-boards.greenhouse.io/spl…

Splash Financial

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Selling my trusty M1 MacBook Air. What a dream of a machine it has been. ebay.com/itm/297323969841
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Another day, another blog post. brettrowberry.com/the-assign…

The Assignment Meeting Squeeze

Say you want someone to do a task for you: fill out a questionnaire, sign off on a document, etc. You can ask them, and they may get around to it. Try this next time. Tell them what you need and set...

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Another day, another blog post. brettrowberry.com/date-for-a…

Date for a Date

Imagine you’re at work and someone asks you when a new project will be done. Perhaps it’s a request for an on the spot estimate. Further, imagine you have little to no idea. I’d like to introduce you...

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New blog post with a clever hack from a friend! Hacking the Project Management Triangle { by @BrettRowberry } from @hashnode brettrowberry.com/hacking-th…

Hacking the Project Management Triangle

Audience If you’re reading this, I assume you’re a software engineering manager. However, the overall content applies to all projects, and the hack applies to all projects in the context of a...

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Replying to @datadoghq
@datadoghq, in this video at the 3:33 mark, the post to the general incident channel includes the Slack channel. Which incident variable is that value under? youtu.be/VW2eDqIyv-s

Datadog Incident Management Demo

With Incident Management, Datadog provides a unified platform to se...

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Maybe that’s not available in the message templates and only in the “Send incident updates to a global channel” toggle in the Slack integration.
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Easter, or Resurrection Sunday, is on April 20th. If you're in Northville, Salem, South Lyon, Novi, etc., please join me for a worship service of uplifting music and the spoken word celebrating Jesus Christ's resurrection from the dead. He is risen! local.churchofjesuschrist.or…
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