http://kazoo.readthedocs.org/en/latest/basic_usage.html Basic Usage Connection Handling To begin using Kazoo, a KazooClient object must be created and a connection established: from kazoo.client import KazooClient zk = KazooClient(hosts='127.0.0.1:21…

Install TensorFlow on mac Install pip # Mac OS X $ sudo easy_install pip $ sudo easy_install --upgrade six Install tensorflow # Mac OS X, CPU only, Python 2.7: $ export TF_BINARY_URL=https://storage.googleapis.com/tensorflow/mac/cpu/tensorflow-0.12.1…

基于谭浩强老师<C++程序设计(第三版)>做简要Summary.(2019-07-24) 一.数组与指针 1. 指针数组 一个数组,其元素均为指针类型数据,该数组称为指针数组.(type_name * array_name[length]) char *point_array[]={"Basic", "C++", "Pascal"}; //1. 每一个数组内容均为一个char*类型的指针 char* point_array[3]={&…

__author__ = 'student' l=[] l=list('yaoxiaohua') print l print l[0:2] l=list('abc') print l*3 l.append(4) print l l.extend('de') print l print l.count('a') l.sort() print l l.reverse() print l l[0:2]=[1,2,3] print l print list(map (ord,'spam')) l = […

1. create a new accout, create orginazation, create repo 2. install git in your local pc Note: you can create ssh key to avoid username/password input for github operation https://help.github.com/articles/generating-ssh-keys https://help.github.com/a…

Data play an important part in our project,how can we ensure correctness of the data and prevent the data from error.In relational database, we are famillar with the usage of transaction. begin opreations commit/rollback But there are some difference…

Redis's List is different from C#'s List,but similar with C#'s LinkedList.Sometimes I confuse with them.I expect that you won't mix them and have a clear mind of them. There are 17 commands we can use in List. Push and pop are the base opreation of t…

Basic usage Whenever possible, server responses are mapped to the appropriate CLR type. using (var redis = new RedisClient("yourhost"))//只需输入redis 服务器的ip 端口默认为 6379 { string ping = redis.Ping(); string echo = redis.Echo("hello world");…

一.Zookeeper原理简介 ZooKeeper是一个开放源码的分布式应用程序协调服务,它包含一个简单的原语集,分布式应用程序可以基于它实现同步服务,配置维护和命名服务等. Zookeeper设计目的 最终一致性:client不论连接到那个Server,展示给它的都是同一个视图. 可靠性:具有简单.健壮.良好的性能.如果消息m被到一台服务器接收,那么消息m将被所有服务器接收. 实时性:Zookeeper保证客户端将在一个时间间隔范围内获得服务器的更新信息,或者服务器失效的信息.但由于网络延时等…

Basic usage基本使用 To get the ball rollin' you first have to create an instance of Sequelize. Use it the following way: 使用Sequelize的您必须首先创建一个实例.以下方式使用它: const sequelize = new Sequelize('database', 'username', 'password', { dialect: 'mysql' }); This will…