BYRHuangQiang

摘要： 1 题目Given a sorted linked list, delete all duplicates such that each element appear onlyonce.For example,Given1->1->2, return1->2.Given1->1->2->3->3, ... 阅读全文

摘要： 1 题目There areNchildren standing in a line. Each child is assigned a rating value.You are giving candies to these children subjected to the following r... 阅读全文

摘要： 1 题目Given a linked list and a valuex, partition it such that all nodes less thanxcome before nodes greater than or equal tox.You should preserve the o... 阅读全文

摘要： 1 题目Reverse a linked list from positionmton. Do it in-place and in one-pass.For example:Given1->2->3->4->5->NULL,m= 2 andn= 4,return1->4->3->2->5->NUL... 阅读全文

摘要： 单链表的反转是常见的面试题目。本文总结了2种方法。1 定义单链表node的数据结构定义如下：class ListNode { int val; ListNode next; ListNode(int x) { val = x; next = null; ... 阅读全文

摘要： 1 题目Given two binary strings, return their sum (also a binary string).For example,a ="11"b ="1"Return"100".接口String addBinary(String a, String b)2 思路处... 阅读全文

摘要： 1 题目You are given two linked lists representing two non-negative numbers. The digits are stored in reverse order and each of their nodes contain a sin... 阅读全文

摘要： 1.什么是MLBaseMLBase是Spark生态圈的一部分，专注于机器学习，包含三个组件：MLlib、MLI、ML Optimizer。ML Optimizer: This layer aims to automating the task of ML pipeline construction.... 阅读全文

摘要： SparkStreaming是一个对实时数据流进行高通量、容错处理的流式处理系统，可以对多种数据源（如Kdfka、Flume、Twitter、Zero和TCP 套接字）进行类似map、reduce、join、window等复杂操作，并将结果保存到外部文件系统、数据库或应用到实时仪表盘。Spark S... 阅读全文

摘要： 为了在IDEA中编写scala，今天安装配置学习了IDEA集成开发环境。IDEA确实很优秀，学会之后，用起来很顺手。关于如何搭建scala和IDEA开发环境，请看文末的参考资料。用Scala和Java实现WordCount，其中Java实现的JavaWordCount是spark自带的例子（$SPA... 阅读全文