kaochenlong

list = [37, 38, 39, 40, 41]

list.shuffle.each_slice(4) do |team|
  p team.sort
end

kaochenlong

func add(x: Int)(y: Int) -> Int {
  return x + y
}

let add100 = add(100)  // 這邊等於產生了一個會加 100 的 function
println(add100(y:20))  // 得到  120

kaochenlong

# rb_ary_join

VALUE
rb_ary_join(VALUE ary, VALUE sep)
{
    long len = 1, i;
    int taint = FALSE;
    int untrust = FALSE;
    VALUE val, tmp, result;

kaochenlong

Question 1
>> 2.21 * 7
=> 15.469999999999999

>> "%0.2f" % (2.21 * 7)
=> "15.47"

Question 2
>> 3.1415.round(3)
=> 3.142

kaochenlong

extension Int {
    func times(task:() -> ()) {
        for i in 0..self {
            task()
        }
    }
}

5.times {
    println("Hey! You look really like Ruby")

kaochenlong

aaa

kaochenlong

require "faker"

names = []
20.times do
  names << Faker::Name.last_name
end

p names

kaochenlong

f = open('access.log')

ip_list = {}
for line in f.readlines():
  ip = line.split(' ')[0]
  ip_list[ip] = ip_list.get(ip, 0) + 1

f.close()

sorted_ip_list = sorted(ip_list.items(), key=lambda x: x[1])

kaochenlong

//
//  ViewController.m
//  buttonDemo
//
//  Created by 高 見龍 on 13/9/22.
//  Copyright (c) 2013年 高 見龍. All rights reserved.
//

#import "ViewController.h"

kaochenlong

// NSObject+Utils.h

#import <Foundation/Foundation.h>

@interface NSObject (Utils)

- (BOOL) isNull;
- (BOOL) isNotNull;

@end