berikv

let simulator = UIDevice.currentDevice().model.rangeOfString("Simulator") != nil

berikv

func exponentialMovingAverage(currentAverage: Double, newValue: Double, smoothing: Double) -> Double {
    return smoothing * newValue + (1 - smoothing) * currentAverage
}

// Usage:
// var a = 3
// a = exponentialMovingAverage(a, 8, 0.5)


// Swift 2

berikv

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
	<key>IDECodeSnippetCompletionPrefix</key>
	<string>dispatch_after</string>
	<key>IDECodeSnippetCompletionScopes</key>
	<array>
		<string>CodeExpression</string>
	</array>

berikv

(lldb) posinwindow 0x796a0e60
(CGPoint) $58 = (x=711, y=205.5)

berikv

func log<T>(message: T, fileName: String = __FILE__, lineNumber: Int = __LINE__, args: CVarArgType...) {
    let date = NSDate()
    let processInfo = NSProcessInfo()
    let appName = processInfo.processName
    let combined = String(format: String(stringInterpolationSegment: message), arguments: args)
    
    println("\(date) \(appName) [\(fileName.lastPathComponent):\(lineNumber)] \(combined)")
}

berikv

var applicationActivityIndicators = 0
extension UIApplication {
    func startActivityIndicator() {
        applicationActivityIndicators++
        UIApplication.sharedApplication().networkActivityIndicatorVisible = true
    }
    
    func stopActivityIndicator() {
        applicationActivityIndicators--
        if applicationActivityIndicators <= 0 {

berikv

if (floor(NSFoundationVersionNumber) <= NSFoundationVersionNumber_iOS_6_1) {
   // Load resources for iOS 6.1 or earlier
} else {
   // Load resources for iOS 7 or later
}

// But only in XCode 5 

berikv

def wrap(angle):
    while angle > 2 * pi:
        angle -= 2 * pi
    while angle < 0:
        angle += 2 * pi
    return angle

def magnetometer_readings_to_tilt_compensated_heading(bx, by, bz, phi, theta, declinationRadians=0):
    """ Takes in raw magnetometer values, pitch and roll and turns it into a tilt-compensated heading value ranging from -pi to pi (everything in this function should be in radians).
        The correct value for declinationRadians can be found online: http://magnetic-declination.com/countries.php note that this value is in radians, not in degrees.

berikv

//
//  UIResponder+sendAction.h
//  Berik Visschers
//
//  Created by Berik Visschers on 2013-03-22.
//  Copyright (c) 2013 Xaton. All rights reserved.
//

#import <UIKit/UIKit.h>

berikv

// A factor of 0.5 means that every newValue will have a 50% impact on the average
// Usage: self.average = updateRunningAverage(self.average, newValue, 0.3);

#define updateRunningAverage(average, newValue, factor) (((newValue) * (factor)) + ((average) * (1.0 - (factor))))