haohailong

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haohailong

defmodule PlayButton do
  @default_path "/Volumes/My\ Passport/Movie" # 使用模块属性定义默认路径
  @minimum_size 50 * 1000000 # 确定文件最小值 50m (使用 1K = 1000 为标准)
  def list(path \\ @default_path, acc \\ []) do # 定义函数 list，两个参数 path 为路径，acc 是用来存储文件路径 accumulator。
    case File.stat(path) do # case 语句用 File.stat(path) 去做模式匹配
      {:ok, stat} -> # 当 File.stat(path) == {:ok, stat} 时，去做下面的匹配
        case {stat.size, stat.type} do
          {_size, :directory} -> # 当 {stat.size, stat.type} == {_size, :directory} 时，去做下面的匹配，我想 "_size" 当中的下划线表示此处可以忽略这个变量，此句用来解决路径是目录的问题
            case File.ls(path) do 
              {:ok, ls} -> # 这句会匹配并且把 ls 与 File.ls(path) 的结果中有用的部分绑定

haohailong

function mine()
{
    while(true)
    {
        longestChain = getLongestValidChain()

        -- A number that changes every time, so that you don't waste time 
        -- trying to calculate a valid blockHash with the same input.
        nonce = getNewNonce()

haohailong

---  
layout: post  
title: "Post Title"  
date: yyyy-mm-dd hh:mm:ss  
comments: true  
categories: ""  
---