willurd

Each of these commands will run an ad hoc http static server in your current (or specified) directory, available at http://localhost:8000. Use this power wisely.

Discussion on reddit.

Python 2.x

$ python -m SimpleHTTPServer 8000

JimRoepcke

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

import Cocoa

struct Regex {
    let pattern: String
    let expressionOptions: NSRegularExpressionOptions
    let matchingOptions: NSMatchingOptions
    
    init(pattern: String, expressionOptions: NSRegularExpressionOptions, matchingOptions: NSMatchingOptions) {

mikeash

#!/Applications/Xcode6-Beta.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swift -i -sdk /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.9.sdk

import Foundation


class JSON {
    struct Path: Printable {
        enum Element {
            case Index(Int)
            case Key(String)

andymatuschak

//
//  CollectionViewDataSource.swift
//  Khan Academy
//
//  Created by Andy Matuschak on 10/14/14.
//  Copyright (c) 2014 Khan Academy. All rights reserved.
//

import UIKit

airspeedswift

/// Translation of [Peter Norvig's spell checker](http://norvig.com/spell-correct.html) into Swift.
/// Sample input corpus [here](http://norvig.com/big.txt)

import Foundation.NSString   // purely for IO, most things done with Swift.String

// pythony slicing
postfix operator ..< { }
prefix operator ..< { }
postfix func ..<<I: ForwardIndexType>(lhs: I) -> RangeStart<I> { return RangeStart(start: lhs) }
prefix func ..<<I: ForwardIndexType>(rhs: I) -> RangeEnd<I> { return RangeEnd(end: rhs) }

phausler

import Foundation

struct HashingSingleValueEncodingContainer : SingleValueEncodingContainer {
    var owner: HashingEncoder

    mutating func combineHash<T>(of element: T?) where T: Hashable {
        if let elt = element {
            owner.combine(elt, hash: elt.hashValue) { (other: Any) -> Bool in
                if let otherValue = other as? T {
                    return elt == otherValue

ddunbar

New Build System Tricks

Command Line

alias xcbuild=$(xcode-select -p)/../SharedFrameworks/XCBuild.framework/Versions/A/Support/xcbuild
# THIS DOESNT WORK YET: xcbuild openIDEConsole  # … then switch to Xcode ➡️
xcbuild showSpecs
xcbuild build <foo.pif> [—target <target>]

sjoerdvisscher

struct MinimalDecoder : Decoder {
  var codingPath = [CodingKey?]()
  var userInfo = [CodingUserInfoKey : Any]()
  
  public func container<Key>(keyedBy type: Key.Type) throws -> KeyedDecodingContainer<Key> {
    return KeyedDecodingContainer(MinimalKeyedDecodingContainer<Key>(decoder: self))
  }
  
  public func unkeyedContainer() throws -> UnkeyedDecodingContainer {
    return DecodingContainer(decoder: self)