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1. BackgroundBeaconDemo BackgroundBeaconDemo Public

   Using CoreBluetooth to scan for (non-iBeacon) bluetooth beacons while the app is in the background.

   Objective-C 1

2. NodeMCU esp8266 home irrigation script NodeMCU esp8266 home irrigation script

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   // Load Wi-Fi library

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   #include <ESP8266WiFi.h>

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   // Replace with your network credentials

3. iOS-Face-Detection iOS-Face-Detection Public

   You pick a photo from the Photo Library and the app uses Core Image Face Detection to highlight the faces.

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4. twirly twirly Public

   Neat little motion-enabled iOS effect to UIImageView

   Objective-C

5. Calculate Fibonacci numbers in Swift Calculate Fibonacci numbers in Swift

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   // https://en.wikipedia.org/wiki/Fibonacci_number

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   // 0, 1, 1, 2, 3, 5, 8, 13, 21, 34, 55 ...

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   func fib(n:Int)->Int {

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       if n > 2 {

6. Sort NSDictionary keys in descending... Sort NSDictionary keys in descending order

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       NSDictionary *dict = @{@"a":@1, @"b":@3, @"z":@24};

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       NSArray *sortedArray = [dict keysSortedByValueUsingComparator:^NSComparisonResult(id  _Nonnull obj1, id  _Nonnull obj2) {

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           return [obj1 integerValue] < [obj2 integerValue];

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       }];

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       NSLog(@"dict: %@", sortedArray);