240 发简信
IP属地:华盛顿州
  • Cassandra

    Overview 一个cassandra 集群是由一些commodity server组成的ring-like的去中心化网络。一个client连...

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  • 使用对象 - javscript

    Reference: https://developer.mozilla.org/zh-CN/docs/Web/JavaScript/Guide...

  • OS 面试题

    Operating System 进程和线程有什么区别Both processes and threads are independent se...

  • HTTP request method 面试题

    GET It requests a resource at the request URL. It should not contain a r...

  • garbage collection in Java

    Garbage Collector is to free heap memory by destroying unreachable objec...

  • LC-600 Non-negative Integers without Consecutive Ones

    Given a positive integer n, find the number of non-negative integers les...

  • heap source code python

    heapq source code https://hg.python.org/cpython/file/3.4/Lib/heapq.pyhtt...

  • SQL and NoSQL

    SQL数据库被称为关系型数据库(RDBMS),而NoSQL数据库被称为非关系型数据库或分布式数据库。 储存方式 tabledocument, k...