ecerney

func maxProfit(prices: [Int]) -> Int {
  if prices.count < 2 {
    return 0
  }

  var profit = 0
  var min = prices[0]

  for price in prices {
    if price - min > profit {

ecerney

/* 
* For a more in depth look at the guard statement check out
* http://ericcerney.com/swift-guard-statement/
* where I build off the sample shown here.
*/

var x: Int? = 0

// Lets me unwrap x and also check a condition on it
func fooGuard() {

ecerney

override func tableView(tableView: UITableView, commitEditingStyle editingStyle: UITableViewCellEditingStyle, forRowAtIndexPath indexPath: NSIndexPath) {
    tableView.beginUpdates()
    
    if editingStyle == .Delete {
      println(self.savedJobs)
      println("\(indexPath.row) row will be deleted")
      
      let deletedJob = self.savedJobs.removeAtIndex(indexPath.row)
      deleteJobFromCoreData(deletedJob)
      tableView.deleteRowsAtIndexPaths([indexPath], withRowAnimation: .Top)

ecerney

#########################
# .gitignore file for Xcode4 / OS X Source projects
#
# Version 2.1
# For latest version, see: http://stackoverflow.com/questions/49478/git-ignore-file-for-xcode-projects
#
# 2013 updates:
# - fixed the broken "save personal Schemes"
# - added line-by-line explanations for EVERYTHING (some were missing)
#

ecerney

//Challenge 5
func reverseString(string: String) -> String {
    return string.isEmpty ? "" : string.substringFromIndex(string.endIndex.predecessor()) +
                                    reverseString(string.substringToIndex(string.endIndex.predecessor()))
}

ecerney

int desiredRow = whatever;
    int currentRow = 0;
    for (int section = 0; section < [self.collectionView numberOfSections]; section++) {
        for (int row = 0; row < [self.collectionView numberOfItemsInSection:section]; row++) {
            if (currentRow == desiredRow) {
                indexPath = [NSIndexPath indexPathForRow:row inSection:section];
            }
            
            currentRow++;
        }