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Andrew Fletcher
In Vim, following is an outline of the vi(m) functions you can utilise whilst in command mode - yes they are case sensitive action outcome a change to insert mode (after cursor) A change to insert mode (at end of line) dd delete one line G go to end of the file 1G go to top of the file i change to insert mode (before cursor) J merge next line with this one p paste deleted or yanked text after cursor P paste deleted or yanked text before cursor r replace one...
Andrew Fletcher
 ERROR Error: Uncaught (in promise): TypeError: undefined is not an object...
Andrew Fletcher
Working through an app project I inherited using Ionic, Angular and ngx-leaflet...
Andrew Fletcher
The issue Text through the app is being rendered as <p>Depletion...
Andrew Fletcher
Wanting to create a new repository on GitHub, add in a few of the available...
Andrew Fletcher
Core Data - customising our data model When you are using Core Data, and let's say that you have a requirement to have an attribute where the options available should be a defined list.  Such as "Not Started", "Pending", "In Development" and "Completed".  How do you create this as an option in Core Data?   Thinking out loud, the practical solution would be to use an enum.  But how do you use a enum in this instance?  As you might have noticed, unfortunately, it...
Andrew Fletcher
Regular expressions (regex) are extremely useful in extracting information from...
Andrew Fletcher
Whilst updating nodejs and npm on a Centos 6 or 7 server running Apache, I...
Andrew Fletcher
Images For some time, when looking for images online for your app or site I have...
Andrew Fletcher
The purple warning notification of annoyance recently came my way!  I...
Andrew Fletcher
I'm currently working on a project that requires login, register, forget password functionality in SwiftUI.  As I'm developing the code, I came across a great resource for validating an email address with Regex: http://emailregex.com/ In the end, I leveraged the worked produced on https://stackoverflow.com/questions/25471114/how-to-validate-an-e-mail-address-in-swift The code used: extension String { var isValidEmail: Bool { let name =...
Andrew Fletcher
iOS localization on the fly If you have added languages to your app......
Andrew Fletcher
Recently I had an error with a domain smtp server not recognising port 587....
Andrew Fletcher
Adding an image via RESTUI can be done in a snap... once you know how!  I...
Andrew Fletcher
Updating Realm and RealmSwift from 5.5.x to 10.0.0 brought in the following...