fronde_wu的博客

threading模块from threading import Threadfor i in range(num_thread): t = Thread(target=producer) t.daemon = True t.start()def producer(): while True: .........Queue模块f...

数据结构 Series 一维字典对象 DataFrame 二维表格对象Seriesimport pandas as pds = pd.Series(values, index)# s = pd.Series(dict)s.index # 获取键s.values # 获取值s.head(n) # 取出头n行，不填默认为5 s.tail(n) # 取出尾n行，不填默认为5...

参考https://blog.youkuaiyun.com/herr_kun/article/details/80220389https://blog.youkuaiyun.com/Diana_Z/article/details/80599847https://blog.youkuaiyun.com/m0_37393277/article/details/74987165https://blog.youkuaiyun.com/u0128...

在python里通过paramiko实现终端SSH操作建立连接import paramikossh = paramiko.SSHClient()ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy())ssh.connect(hostname='IP地址', port=IP端口, username='用户名', password='...

1.FTP（File Transfer Protocol）FTP是基于TCP的服务，使用两个端口，命令端口和数据端口，命令端口是21，数据端口在主动模式下为20，在被动模式随机分配。FTP协议有主动模式和被动模式两种。主动模式服务器端，需要安装vsftpd来完成FTP的设置sudo apt-get install vsftpdsudo /etc/init.d/vsftpd resta...

全排列def perm(nums, i, n): if i == n-1: print nums return for j in range(i, n): nums[i], nums[j] = nums[j], nums[i] perm(nums, i+1, n) nums[i], nums[j] = nums[j], nums[i]perm([...

1.括号生成左边括号=右边括号=n每个右边括号左边至少有一个左括号def generate(n, left=0, right=0, result=''): if left + right == 2 * n: print result return if left < n: generate(left+1, right, n, result+'(') ...

没搞懂，先记下来def KMP(string, pattern): tnext = get_next(pattern) i = 0 j = 0 while i < len(string) and j < len(pattern): if j == -1 or string[i] == pattern[j]: i += 1 j += 1...