title | company | location | workOption | type | level | jobURL | publish |
---|---|---|---|---|---|---|---|
Software Engineer |
Substrate |
Brooklyn, NY |
Hybrid |
Full time |
Senior Level |
true |
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// | |
// PFTrendsViewModel.m | |
// SUM | |
// | |
// Created by Ben Guo on 11/26/14. | |
// Copyright (c) 2014 Project Florida. All rights reserved. | |
// | |
#import "PFTestUtilities.h" | |
#import "PFTrendsViewModel.h" |
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// before | |
func formattedAddress() -> String { | |
let lines:NSMutableArray = NSMutableArray(capacity: 4) | |
let zipStateCityArgs:NSMutableArray = NSMutableArray(capacity: 3) | |
let zip = self.stringValueForKeyPath("address_zip") | |
let city = self.stringValueForKeyPath("address_city") | |
let state = self.stringValueForKeyPath("address_state") | |
for arg in [zip, city, state] { |
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protocol StringDecodable { | |
init?(string: String) | |
} | |
extension Dictionary where Key: JSONKey, Value: AnyObject { | |
/// Converts a string to an enum value | |
func enumFrom<T: StringDecodable>(key: Key, _ enumType: T.Type) -> T? { | |
if let s = self[key] as? String { | |
return enumType.init(string: s) | |
} |
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import Cocoa | |
protocol Pet { | |
var name : String { get } | |
func renamed(newName: String) -> Self | |
} | |
struct Fish : Pet { | |
let name : String | |
func renamed(newName: String) -> Fish { |
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<?xml version="1.0" encoding="UTF-8"?> | |
<!DOCTYPE dictionary SYSTEM "file://localhost/System/Library/DTDs/sdef.dtd"> | |
<dictionary title="Dictionary"> | |
<suite name="Spotify Suite" code="spfy" description="Spotify specific classes."> | |
<enumeration name="ePlS" code="ePlS"> | |
<enumerator name="stopped" code="kPSS"> | |
<cocoa integer-value="0"/> | |
</enumerator> | |
<enumerator name="playing" code="kPSP"> | |
<cocoa integer-value="1"/> |
Assuming that you don't care which NSManagedObjectContext is used, and you just want to make some changes and save them in the background, use the following method. 90% of the time, this is what you'll want.
NSManagedObjectSubclass *myObject = [NSManagedObjectSubclass MR_findFirst];
[MagicalRecord saveWithBlock:^(NSManagedObjectContext *localContext) {
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import Foundation | |
infix operator | {} | |
func | (lhs: String, rhs: String) -> String { | |
return NSLocalizedString(lhs, comment: rhs) | |
} | |
postfix operator | {} | |
postfix func | (s: String) -> String { | |
return NSLocalizedString(s, comment: "") | |
} |
-
Swift is modern, type-safe, expressive, performant
-
but Objective-C remains a first-class citizen
-
Same design patterns, Cocoa APIs
-
"We do not want you to rewrite or stop improving your existing code!"
-
Should you use
unowned
orweak
for delegates? -
To expose Objective-C to Swift, use a bridging header
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