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##### | |
# Xcode private settings (window sizes, bookmarks, breakpoints, custom executables, smart groups) | |
# | |
# This is complicated: | |
# | |
# SOMETIMES you need to put this file in version control. | |
# Apple designed it poorly - if you use "custom executables", they are | |
# saved in this file. | |
# 99% of projects do NOT use those, so they do NOT want to version control this file. | |
# ..but if you're in the 1%, comment out the line "*.pbxuser" |
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class ProjectManager { | |
func increaseProductivity(developer: Developer) { | |
guard let name = person.name else { | |
print("This person doesn't have a name, did his identity get stolen?") | |
return | |
} | |
slackMessage.text = "\(name) is a great iOS Developer!") |
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import Foundation | |
/** | |
Executes the closure on the main queue after a set amount of seconds. | |
- parameter delay: Delay in seconds | |
- parameter closure: Code to execute after delay | |
*/ | |
func delayOnMainQueue(delay: Double, closure: ()->()) { | |
dispatch_after(dispatch_time(DISPATCH_TIME_NOW, Int64(delay * Double(NSEC_PER_SEC))), dispatch_get_main_queue(), closure) |
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[self loginViaHttpWithRequest:request completionBlockWithSuccess:^(LoginOperation *operation, id responseObject) { | |
[self showMainScreen]; | |
} failure:^(LoginOperation *operation, NSError *error) { | |
[self showFailedLogin]; | |
}]; |
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loginViaHttp(request) { response in | |
if response.success { | |
showMainScreen() | |
} else { | |
showFailedLogin() | |
} | |
} |
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// The return value of this function is () -> Int | |
// This means we are returning a function that returns an Int | |
func makeIncrementer(forIncrement amount: Int) -> () -> Int { | |
var runningTotal = 0 | |
// Nested function that uses the runningTotal variable | |
func incrementer() -> Int { | |
runningTotal += amount | |
return runningTotal | |
} |
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func reverseAndRepeatString(stringToReverse: String, numberOfReverses: Int) -> String { | |
let reverseString: () -> String = { transformString(stringToReverse, transformation: { String($0.characters.reverse()) }) } | |
let repeatString: (() -> String) -> String = { | |
var repeated = "" | |
for _ in 1...numberOfReverses { | |
repeated += $0() | |
} | |
return repeated | |
} |
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func reverseAndRepeatString(stringToReverse: String, numberOfReverses: Int) -> String { | |
let reversed = transformString(stringToReverse, transformation: { String($0.characters.reverse()) }) | |
return transformString(reversed, transformation: { | |
var repeated = "" | |
for _ in 1...numberOfReverses { | |
repeated += $0 | |
} | |
return repeated | |
}) | |
} |
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func reverseAndRepeatString(stringToReverse: String, numberOfReverses: Int) { | |
transformString(stringToReverse, transformation: { (stringToTransform) -> String in | |
let reversedString = String(stringToTransform.characters.reverse()) | |
var reversed = "" | |
for _ in 1...numberOfReverses { | |
reversed += reversedString | |
} | |
return reversed | |
}) | |
} |
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func transformString(stringToTransform: String, transformation: (String) -> String) -> String { | |
return transformation(stringToTranform) | |
} |
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