fspaolo

Install Apache Spark (OSX 10.6)

You need the package manager Homebrew (if not installed), see http://brew.sh/

ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"

Get Spark 'Source Code':

http://spark.apache.org/downloads.html

juliengdt

// To check if a number is between a range, don't do
if number >=0 && number <= 100 {

}
// Use range and news operators instead :
if 0...100 ~= number {

}

ryuichis

public struct Event {
    public internal(set) var timeStamp: Date
    public internal(set) var eventTag: String
    
    public init(timeStamp: Date, tag: String) {
        self.timeStamp = timeStamp
        self.eventTag = tag
    }
}

pgpt10

class City: NSObject, NSCoding
{
    var name: String?
    var id: Int?
    
    required init?(coder aDecoder: NSCoder)
    {
        self.name = aDecoder.decodeObject(forKey: "name") as? String
        self.id = aDecoder.decodeObject(forKey: "id") as? Int
    }