Programming By Stealth

Latest Episodes:

PBS 96 of X — World Clock Challenge Solution May 16, 2020

Show notes

This installment of Programming By Stealth is a solutions show all about the clock assignment from PBS 92. Bart's been quite busy this week designing an entirely new distance final exam system for the university where he works so he asked if I'd take on half of the content by presenting my solution to the clock challenge. I have had an absolute blast on this assignment so I gladly accepted. I walk through my approach and some of the challenges I met along the way, and then Bart complements mine by talking about a few things he did quite differently. We both had a great time and I think Bart even learned something from me at one point.

You can find Bart's fabulous tutorial shownotes at pbs.bartificer.net/pbs96.

PBS 95 of X — Better JavaScript Class Attributes May 02, 2020

Show notes

This week Bart explains how to give our JavaScript classes better data attributes via a very powerful JavaScript feature: getters and setters. On my first read through the notes for the episode, my head was spinning a bit, but Bart explains this so well using concrete examples (like a circle with a radius) that I think he got it through to me. When I told him up front that I struggled a bit when reading the shownotes, he said that this is the "pointy end" which I think meant that it was a difficult concept so I felt a little better about it.

In the end it made a lot of sense and I see the reason for the tools he explained.

I highly recommend you read Bart's terrific tutorial shownotes at [pbs.bartificer.net/pbs95](https://pbs.bartificer.net/pbs95) as you listen along.

allison-diagrams-classes-constructors-and-instances — **PBS 94 of X — Basic JavaScript OO with Class** Apr 18, 2020
Show notes

In the early days of Programming By Stealth, Bart tried to explain JavaScript classes, objects and instances. He talked about it in Installment 17 before ES6, and then took another run at it in installments 27-31. But it never felt to Bart like he had explained it in a way that made it clear.

In installment 94, Bart finally nails it. I told him the shownotes for this installment might be the best he's ever done. Everything he explains is clear and concise, the examples are superb, and we get to say Hoonyaker a lot. Instead of being frustrated and confused, I was smiling through all of it because I finally get it. I also told him that I feel far less stupid than I did before because I always thought it was my failing that I didn't get it. I enjoyed this so much I drew Bart a picture of what he'd taught and he said I nailed it!

You can find these legendary shownotes at [pbs.bartificer.net/pbs94](https://pbs.bartificer.net/pbs94).

PBS 93 – Encapsulation with JavaScript Objects Apr 05, 2020

Show notes

In this episode of Programming By Stealth, Bart takes us through the last "hat" that JavaScript objects can wear: encapsulation. As Bart walks us through the problems encapsulation solves using a funny NosillaCast-specific example, he shows how the code becomes reusable and sharable with encapsulation, and even more readable.
You can read the tutorial shownotes as you listen at [pbs.bartificer.net/...](https://pbs.bartificer.net/pbs93)

PBS 92 of X — Currency Grid Solution Mar 20, 2020

Show notes

CCATP #630 for March 14, 2020, and I'm your host, Allison Sheridan. This week our guest is Bart Busschots with PBS 92 of X in which he walks us through his solution to the assignment from PBS 89 to create a grid of currency conversions.

He doesn't go through his code line by line, but rather gives us the big picture of his process. Most of the time he spent on the solution was actually in refactoring his code because he decided to preload the data rather than fetching it repeatedly on-demand. I loved it when he referred to his original work as "Organically-grown Weasley-kind of code".

He also explains how he used both coercion and assertion to do his error handling and why. Eventually he got to start working on the grid and he walks us through how he cracked that problem. It was great fun as always and we have a new, six-week challenge to build a world clock.

You can find his full tutorial shownotes and download his solution at [pbs.bartificer.net/pbs92](https://pbs.bartificer.net/pbs92)

PBS Adjacent: CCATP #628 — Bart Busschots on Creating Automator Quick Actions with JavaScript Mar 07, 2020

Show notes

This week our guest is Bart Busschots with an installment of something he's calling Programming By Stealth-adjacent. It's not part of the regular series of Programming By Stealth, and yet it's not technically very "light" in terms of the chit chatting. Since neither podcast is the right place for it, I've decided to put it in both podcast feeds to be wrong twice.

Bart walks us through how to create Quick Actions with Automator (also known as Services) to do some simple but very useful text manipulations using a smidge of JavaScript. Even if you don't want to write these Quick Actions yourself, you can download his services from his Github repo where he's put them up as open source: https://github.com/bbusschots/macos-quickaction-text.

You can see how Bart created this in his blog post at [www.bartbusschots.ie/...](https://www.bartbusschots.ie/s/2020/03/06/macos-quick-actions-for-text/)

PBS 91 of X — JavaScript RE Objects Feb 22, 2020

Show notes

Bart takes us through the penultimate hat JavaScript wears and that's Regular Expressions. Luckily since we haven't talked about REs in ages, he reminds us of the syntax for Regular Expressions literals in JavaScript first and then he takes us through three common uses for Regular Expressions. We joked around during this episode at how many times I said, "That makes sense!" Bart said it was music to his ears, and I say this was a very intuitive lesson considering how arcane Regular Expressions are in their syntax.

Bart's tutorial for this episode are available at [pbs.bartificer.net/...](https://pbs.bartificer.net/pbs91.html)

PBS 90 of X — JavaScript Wrapper Objects Feb 08, 2020

Show notes

Hope you enjoyed getting the little extra Tidbits episode this week. In this installment Bart continues our on-going mini-series looking at each of the proverbial hats JavaScript objects wear. Bart explains the concept of JavaScript wrapper objects that allow you to access properties of otherwise property-less primitives. It's pretty magical and I only got lost for a little while as we brushed the cobwebs off my memories of prototypes and such.

Bart's shownotes for this episode can be found at pbs.bartificer.net/pbs90

PBS Tidbit 1 of Y — Display Values are not Data! Feb 08, 2020

Show notes

Bart explains how alert listener @lbutlr on Twitter found a mistake in Bart's math and he walks through how he figured out what was wrong and what we can all learn from it. Bart's explanation can be found here:

bartbusschots.ie/...

PBS 89 of X — Currency Converter Challenge Jan 26, 2020

Show notes

In this week's installment of Programming By Stealth, Bart explains his new plan for both the content of PBS and the way the shownotes are created and presented to you. Bart has noticed that because we put a challenge solution and new content into the same show, the solution gets short changed. That's a shame because there is so much he can teach by explaining the "whys" behind his design of his solutions.

The new plan is to have the challenge solutions be standalone shows, and then the new content will be standalone shows as well. We'll be having more time to do our challenges with this new plan as well. I'm excited about this new plan because I've enjoyed the extra time we've had with our currency converter challenge, allowing us to enhance our solutions and be more creative.

Bart is also completely rearchitecting all of his web presence, including his Programming By Stealth show notes. His new online presence will be at his site, bartficier.net and PBS will now be at pbs.bartificer.net. That link is actually to a GitHub page. I know that sounds crazy and Bart is going to tell us more about it, but it will allow him time to be much more creative and spend less time faffing about as a system admin.

With all that said, you can find the shownotes to this week's installment at [pbs.bartificer.net/...](https://pbs.bartificer.net/pbs89.html)

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