lldong

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

import UIKit

func zero<N>(succ: N -> N) -> N -> N {
    return { (z: N) in
        return z
    }
}

lldong

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

import UIKit

// MARK: Utilities
func take<T>(slice: Slice<T>, num: Int) -> Slice<T> {
    let n = (num < slice.count) ? num : slice.endIndex
    return slice[0..<n]
}

lldong

# Make sure I have autoconf and automake both installed.
sudo port -v install automake
sudo port -v install autoconf
# Grab Frederic's patched valgrind on his "homebrew" branch
cd ~/work  # My usual project directory
git clone https://github.com/fredericgermain/valgrind/ -b homebrew
cd valgrind
# Because he placed VEX as a git submodule, we have to make sure we clone it too
git submodule init
git submodule update

lldong

OBJC_PRINT_IMAGES               "log image and library names as they are loaded"
OBJC_PRINT_LOAD_METHODS         "log calls to class and category +load methods"
OBJC_PRINT_INITIALIZE_METHODS   "log calls to class +initialize methods"
OBJC_PRINT_RESOLVED_METHODS     "log methods created by +resolveClassMethod: and +resolveInstanceMethod:"
OBJC_PRINT_CLASS_SETUP          "log progress of class and category setup"
OBJC_PRINT_PROTOCOL_SETUP       "log progress of protocol setup"
OBJC_PRINT_IVAR_SETUP           "log processing of non-fragile ivars"
OBJC_PRINT_VTABLE_SETUP         "log processing of class vtables"
OBJC_PRINT_VTABLE_IMAGES        "print vtable images showing overridden methods"
OBJC_PRINT_CACHE_SETUP          "log processing of method caches"

lldong

#!/usr/bin/env ruby
# encoding: utf-8

require 'strscan'

def construct_dict_literal(pairs, mutable = false)
  output = pairs.each_slice(2).reduce('@{') {
    |expr, pair|
    value, key = *pair
    expr << key.strip   << ': '

lldong

• liftoff Xcode 工程配置工具
• crafter Xcode 工程配置工具，使用 Ruby 进行配置，比 liftoff 灵活
• xcpretty xcodebuild 输出格式化工具
• xclisten 测试用例自动执行工具
• bwoken UIAutomation 脚本执行工具

lldong

require 'ampex'

def qs(xs)
  return xs if xs.length <= 1

  p = xs.length / 2
  qs(xs.select &X < xs[p]) +
    qs(xs.select &X == xs[p]) +
      qs(xs.select &X > xs[p])
end

lldong

input = """
75
95 64
17 47 82
18 35 87 10
20 04 82 47 65
19 01 23 75 03 34
88 02 77 73 07 63 67
99 65 04 28 06 16 70 92
41 41 26 56 83 40 80 70 33