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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
Wanting to create a new repository on GitHub, add in a few of the available...
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
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
Updating Realm and RealmSwift from 5.5.x to 10.0.0 brought in the following...
Andrew Fletcher
After creating a new view with a @Binding string as follows struct EditRival:...
Andrew Fletcher
What to do when you want to filter a Realm object, using NSPredicate in SwiftUI or in Swift.   Applying the filter to a simple condition in one line let exists = realm.objects(ExampleObj.self).filter(NSPredicate(format: "uid = %ld", uid))Creating a variable predicate that will be injected as a condition let predicate = NSPredicate(format: "uid = %ld AND nid = %ld",uid,nid) let exists = realm.objects(ExampleObj.self).filter(predicate)Finally, managing the predicate as an array by...
Andrew Fletcher
Today while in Terminal, I ran a regular script pod update.  However, this...
Andrew Fletcher
I'm going to take you on a journey about adding a gradient tint to a...
Andrew Fletcher
Creating a new SwiftUI project is a quick process.  There are already...
Andrew Fletcher
How to apply a gradient tint over a background image? Set the background...