Concepts In Code

Concepts in Code is a show about programming and software engineering in general. Listen in as Hank an BJ develop apps and talk about the software development process.
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Concepts In Code




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Mar 13, 2018

Hank and BJ have a special guest, Sarah Dutkiewicz, and talk about Impostor Syndrome in our industry, leadership in tech, and tips for teaching kids to get introduced to programming, amid banana-throwing gorillas, professional whistlers, and other shenanigans. Thanks to Sarah for hanging out with us, and for all the laughs!

Geeky Girl Sarah


Impostor Syndrome

Visual Studio Code

Code and go Mouse

Big Trak


QBasic Gorillas




App Inventor

Hello World book

Ocarina Home Automation

Sarah’s Ocarina


Possible titles:

“I Love Those Y’all’s”

“Fake It Till You Make It”

“Outrun The Dog”

“We’re Not Recording This, Right?”

“I Took Us Off Trak”

“Chuckin’ Bananas Across The Screen”

“My Cat Has Just Appeared”

“Do You Belong To A Whistler’s Guild?”

Dec 24, 2017

Hank and BJ are back at it again, and discuss BJ's new job, "Idea Guy", and MVP, amid other shenanigans.

Coin Ninja

Scope Creep

Minimum Viable Product

Question Behind the Question

Possible Show Titles:

“I Have A Friend Who Could Whistle 300 Baud”

“You Can Just Call Me Veep”

Dec 9, 2017

Hank and BJ are back at it again, and discuss code standards, amid other shenanigans.

Animoji Radiohead Creep (Explicit)

Imposter Syndrome

Software Linting


Static Analysis


Hank on Twitter

BJ on Twitter


Possible show titles:

“Dulcet Breathy Tones”

“I’m So Tired of Trolls”

“I Thought You Were An Android Guy!”

“Made For Human Hands”

“My Dream Is Still A Dream”

“Terrible Coders Anonymous”

“The Unicorn At The End Of The Rainbow, Lifting His Leg, Peeing On It”

“Don’t Sweat The Petty Things, and Don’t Pet The Sweaty Things”

“Good Enough Really Is”

“It’s Like Vim vs Emacs, or Biggie vs Tupac”

“A Little Part Of Me Dies”

Oct 25, 2017

Hank and BJ are back at it again, and discuss their usage of CI/CD using Jenkins, amid other shenanigans.

Chronic Tattoo / Shawn Patton

BJ’s tattoo artwork on Instagram

Jenkins CI


Semantic Versioning

Git Flow

Git Flow Cheat Sheet

Buddy Build

Xcode Bots


Contact us: and


Other potential titles:

“Dust The Mic Off”

“Bear Traps and Gruffalos”

“Quarter, Hotfix, Really Bad Hotfix”

“Jenkins Poops Out An IPA”

“I Got Desperate”

Jan 31, 2017

Hank and BJ discuss the value of immutability and how it can help reasoning about code much easier.


NSTouchBar API

Alfred App


Deterministic versus Nondeterministic algorithms


Pure Functions


Other potential titles:

“Courageous Marketing Terms”

“It’s a sentence you don’t hear every day”

“The Freddy Krueger of Variables”

Jan 30, 2016

Open-Source Swift

Auto-tuned Sweet Brown

Swift's Evolution Repository

BJ's article on C-Style For Loops

Ray Wenderlich's Swift Style Guide

WWDC 2015 - Protocol-Oriented Programming

WWDC 2015 - Value Types

Effective Java

Wu-Tang Name Generator

- Hank: Gentleman Commander

- BJ: Annoyin' Mastermind

Parsing JSON In Swift by Josh Brown

Swift Algorithms by Wayne Bishop

Hacking with Swift


Almost show titles:

"Ain't Nobody Got Time Fo' Dat"

"The Other Side of the Colon"

Dec 9, 2015


BJ's CocoaConf Columbus 2015 presentation

Quick and Nimble for BDD-style testing

Better Unit Testing with Swift

Package Tracker pull request

Joe's article on test helpers

Jon Reid's Quality Coding site's issue on testing

Sandi Metz's Gilded Rose kata

Joe on Twitter

Joe's blog

XCTest documentation

Nov 5, 2015

Joe Masilotti tweet about Concepts In Code

Benedikt Terhechte article on enums

And Benedikt's article on reflection

Package Tracker app on GitHub

WWDC '15 session on Protocol-Oriented Programming


Almost show titles:

  • Chee Hamburg!
  • Silver Lining
  • Wouldn't be the first time I've had the police called on me
Jul 28, 2015

Design Patterns:

Erich Gamma's original paper on design patterns:

Bob's Your Uncle Wikipedia page:

Concepts In Code GitHub Repo:

Jul 21, 2015

Hank and BJ discuss the initial architecture for the USPS Package Tracker app, and set tasks for the upcoming week.

The pairing video we discussed can be found on YouTube:

Apple Watch allergen info:

PackageTracker repository:


Jul 9, 2015

This is the first episode of Concepts in Code. Join Hank and BJ as we talk about the software development process and decide on the first app we'll develop for the show.