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  /// Returns a string representation of the time elapsed since the entry was logged.
  /// It works at 4 resolutions:
  /// - Full:  "5yr, 6mo, 3d, 4h, 25m, 35s"
  /// - Years/Months: "5yr, 6mo"
  /// - Days/Hours: "3d, 4h"
  /// - Minutes/Seconds: "25m, 35s"
  /// - Note: Only non-zero values are rendered: "24m" instead of "24m, 0s"
  /// - Parameters:
  ///   - loggedDate: The Date when the record was first logged
  ///   - full: A flag that specifies the resolution: if true full resolution, if false scoped resolution

jpavley

import UIKit

var str = "Hello, playground"

/// Int Array Map Function: Adds a value to each element of an array of integers and returns
/// the resulting array
///
/// - Parameters:
///   - delta: value to add to each element of the array
///   - array: array of values to increment

jpavley

//: Playground - noun: a place where people can play

import UIKit
import Foundation

class CalculatorBrain {
    
    enum Op: CustomStringConvertible {
        case Operand(Double)
        case BinaryOperation(String, (Double, Double) -> Double)

jpavley

    // bad code
    func performOperationWith(operation: (Double, Double) -> Double) {
        if operandStack.count >= 2 {
            displayValue = operation(operandStack.removeLast(), operandStack.removeLast())
            enter()
        }
    }
    
    func performOperation(operation: Double -> Double) {
        if operandStack.count >= 1 {

jpavley

NSArray *fontFamilyNames = [UIFont familyNames];
for (NSString *familyName in fontFamilyNames) {
        NSLog(@"Font Family Name = %@", familyName);
        NSArray *names = [UIFont fontNamesForFamilyName:familyName];
        NSLog(@"Font Names = %@", names);
}

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- (void)awakeFromNib
{
    NSLog(@"%@" , NSStringFromSelector(_cmd));
}

- (NSInteger)numberOfRowsInTableView:(NSTableView *)tv
{
    NSLog(@"%@" , NSStringFromSelector(_cmd));
    return (NSInteger)0;
}

jpavley

// Assumes you've created a texture atlas with at least 2 image init:
// initial_image.png and new_image.png

// Load the texture atlas into the shared frame cache early in your game…
CCSpriteFrameCache* frameCache = [CCSpriteFrameCache sharedSpriteFrameCache];
[frameCache addSpriteFramesWithFile:@"textureAtlas.png"];

// Create your sprite in your layer’s – init method…
// (Note: niceSprite is a CSprint* instance variable so we can reuse it)
niceSprite = [CCSprite spriteWithSpriteFrameName:@"initial_image.png"];