Dev90X: Zero to App in 90 Days

By Jack Cotton-BrownTechnology

Dev90X: Zero to App in 90 Days episodes

October 15, 2021Day 70: When things don’t go to plan... Working with... Satya, Unwrap app.
Discussion:
When opportunity strikes...
Progress Update:
9 Lessons on Unwrap

Looked for facebook groups specific to iOS engineers in Bali

Worked with Satya for 2 hours. (Took 3 hours)
dev90x.com
11 min
October 14, 2021Day 69: Touching every aspect of the current development stack. Working with... everything?
Discussion:
Engaging the community

Asking users questions

Responding to feedback

Design Sprint with Harry

Learning code

1 line of code
Progress Update:
Posted in the facebook group for the first time

Responded to some feedback on Instagram.

Wrote a long life update email to my parents explaining my situation with the project.

Some lessons of Unwrap

Played in a playground a bit - 1 line of code, done.

Downloaded an example project from Github for Giphy on iOS

Engaged the Hacking with Swift Slack Community.

Half of lecture 9 Stanford iOS
dev90x.com
10 min
October 13, 2021Day 68: Watching people code for hours... Working with... Stanford iOS Course, Unwrap, Swift Playgrounds.
Discussion:
My current strategy is to learn by watching others implementing code, to expose myself to as much code as possible, in as many different contexts as possible.

Having a strong understanding of code is a lot about recognising patterns and their contexts.

You can only gain this by experiencing a lot of patterns and a lot of contexts.
Progress Update:
Lecture 7 of Stanford iOS

Lecture 8 of Stanford iOS

Some Youtube tutorials

Playing around with Enums in a Playground.

Some lessons from the Unwrap app.
dev90x.com
11 min
October 12, 2021Day 67: UIKit VS SwiftUI, which to learn, which to use? Working with... Harry, Miro.
Discussion:
Demo app is written in UIKit

SwiftUI is the long-term future.
Progress Update:
Worked with Harry for 2 hours on the Design sprint in Miro.

Created a new Git Branch for the logic implementation
Life Update:
Helmet was stolen - got a new helmet

Transitioning away from restaurants, preparing food at home - shopping

Internet cut out in the middle of the day.

Refuelled my scooter.
dev90x.com
12 min
October 11, 2021Day 66: Learn to Code 2: Complete! Working with... Firebase, Cocoapods, Harry, Learn to Code, Stanford iOS.
Discussion:
Breaking the impossible down into the possible.
Progress Update:
14 learn to code 2 challenges (Done!)

Trying to implement firebase pods
Ran into some roadblocks with pods and M1

Finished watching Stanford Lecture 6

Designed a little path to pro - programmer for myself

1 hour meeting with Harry going over the Miro board
dev90x.com
9 min
October 10, 2021Day 65: In the flow. Working with... Xcode, Playgrounds, Youtube.
Discussion:
I’m in the flow - didn’t even watch the last episode of Ted Lasso yet.

Just keep on struggling through the confusion.
Progress Update:
Did my one line of code!

Watched a lot of video content. Youtube, Apple, Hacking with Swift.

Learning how to calculate duration between two events.

Learning how to implement Core Location
Learned that it’s difficult to implement Core Location in a playground.

Learned locations can be accurate to: metres, 10 metres, 100 metres, 3000 metres.

That the GPS location can take some time to come back, so it might need to be run asynchronously.

Realised I need a separate class to handle the handstand sessions, separate to the logic class that I’ve been working on.
Life update:
Back into budgeting and tracking expenses.
dev90x.com
15 min
October 09, 2021Day 64: The one line of code trick is working! Working with... Xcode Playgrounds.
Discussion:
Swift Playgrounds is the best place to test code.

Writing simulation functions has helped improve my coding abilities.
Progress Update:
Working on Handstand Logic V2 (got my one line of code in).
Implementing a handstand timer using the timer function may not be the best way.

Learning different ways of finding the duration between events.

Need to learn how combine works.

Need to learn a lot of things.
dev90x.com
10 min
October 08, 2021Day 63: Let music be the anchor to your undistracted focus. Working with... Xcode Playgrounds, Hacking with Swift, Harry.
Discussion:
Getting back into the zone can be done with music. When music is playing, focus is happening. Just pick music without lyrics.
Progress Update:
Last night: 4 challenges from Learn to Code 2.

Built Handstand Logic V1.
Handstand Logic V1 failed! Because... it does’t hold enough memory

Handstand Logic V2 is now under construction.

Handstand Leaderboard is live! Get the longest hold!
dev90x.com
9 min
October 07, 2021Day 62: An organised project is an efficient project. Working with... Coda, Xcode.
Discussion:
Spending time cleaning up and re-organising the project.

Removing that which is not important makes space for that which is important.

An organised project hub is one that gets used.
Progress Update:
Last night: 1 coding challenge in Learn to code 2

Loaded apps onto Harry’s phone that will not expire

Tested the background segmentation app to see how it affects the vision model.

Tinkered with the segmentation app to get my 1 line of code in.

Wrote up a V1 summary of the various app screens

Cleaned up project documents in coda
dev90x.com
20 min
October 06, 2021Day 61: All work and no Git makes Jack a sad boy. Except now I’m happy. Working with... iOS 15, Xcode 13, Github.
Discussion:
A simple 1% better at development. Learning Git.

Spending considerable time back in the app feature design.
Project Updates:
Trying to try a new iOS 15 app that does image segmentation requests using vision

Finally set up github - using Github Desktop to manage the entire process.

Looked into the Apple Developer Academy in Indonesia - potentially a place to hire from close to home.

Updated phone to iOS 15.

Updated to Xcode 13.

Still have not done my 1 line of code today (yet).
Honesty Hour!
Cheating too much on keto - it’s time to get back on the train!

I’ve had one shot of coffee in the last 2 weeks. Going strong on tea only.

Watching too much TV - Ted Lasso hooked me. After Ted Lasso I’m done with TV for a while.
dev90x.com
18 min

About Dev90X: Zero to App in 90 Days

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Join me on my journey to ship an app in 90 days from near-zero developer experience.

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Dev90X: Zero to App in 90 Days

Dev90X: Zero to App in 90 Days episodes

About Dev90X: Zero to App in 90 Days