Blake M mitch2be
AliSoftware
/ struct_vs_inheritance.swift
Last active
March 27, 2024 11:57
Swift, Struct & Inheritance: How to balance the will of using Struct & Value Types and the need for Inheritance?
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| // #!Swift-1.1 | |
| import Foundation | |
| // MARK: - (1) classes | |
| // Solution 1: | |
| // - Use classes instead of struct | |
| // Issue: Violate the concept of moving model to the value layer | |
| // http://realm.io/news/andy-matuschak-controlling-complexity/ |
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| extension Array { | |
| func first() -> Element? { | |
| if isEmpty { | |
| return nil | |
| } | |
| return self[0] | |
| } | |
| func last() -> Element? { |
dhoerl
/ KeychainItemWrapper.h
Last active
April 4, 2023 08:15
KeychainItemWrapper ARCified. Added the ability to manage a dictionary in place of just a string - the #define PASSWORD_USES_DATA in the .m file switches the mode.
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| /* | |
| File: KeychainItemWrapper.h | |
| Abstract: | |
| Objective-C wrapper for accessing a single keychain item. | |
| Version: 1.2 - ARCified | |
| Disclaimer: IMPORTANT: This Apple software is supplied to you by Apple | |
| Inc. ("Apple") in consideration of your agreement to the following | |
| terms, and your use, installation, modification or redistribution of |
robmooney
/ gist:923301
Created
April 16, 2011 17:07
Get the MKCoordinateRegion that encompasses a set of MKAnnotations
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| // returns a MKCoordinateRegion that encompasses an array of MKAnnotations | |
| - (MKCoordinateRegion)regionForAnnotations:(NSArray *)annotations { | |
| CLLocationDegrees minLat = 90.0; | |
| CLLocationDegrees maxLat = -90.0; | |
| CLLocationDegrees minLon = 180.0; | |
| CLLocationDegrees maxLon = -180.0; | |
| for (id <MKAnnotation> annotation in annotations) { |