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[leetcode/lintcode 题解]大厂
面试真题
:
数据
流中位数
数字是不断进入数组的,在每次添加一个新的
数
进入数组的同时返回当前新数组的中位数。说明中位数的定义:这里的中位数不等同于数学定义里的中位数。中位数是排序后数组的中间值,如果有数组中有n个
数
,则中位数为A[(n−1)/2]。比如:数组A=...
大厂
面试真题
详解:
数据
流滑动窗口平均值
m.next(1)=1/返回 1.00000 m.next(10)=(1+10)/2/返回 5.50000 m.next(3)=(1+10+3)/3/返回 4.66667 m.next(5)=(10+3+5)/3/返回 6.00000 解题思路 我们需要一个
数据
结构来维护在窗口中的值,这个
数据
结构有一个要求,当存储的
数
个
数
大于窗口...
【每日打卡】深圳35家公司JAVA
面试真题
-数据库篇(二)
1、跳槽者、应届生必看JAVA
面试题
系列(一)2、跳槽者、应届生必看JAVA
面试题
系列(二)3、跳槽者、应届生必看JAVA
面试题
系列(三)4、跳槽者、应届生必看JAVA
面试题
系列(四)5、跳槽者、应届生必看JAVA
面试题
系列(四)6、
面试
宝典(一)-让你不再...
面试系列二:精选大数据
面试真题
JVM专项-附答案详细解析(一)
公众号(五分钟学大
数据
)已推出大数据面试系列文章—五分钟小面试,此系列文章将会深入研究各大厂笔
面试真题
,并根据笔面试
题
扩展相关的知识点,助力大家都能够成功入职大厂!大数据笔面试系列文章分为两种类型:混合型(即一篇文章中会有...
面试系列一:精选大数据
面试真题
10道(混合型)-附答案详细解析(一)
本公众号(五分钟学大
数据
)将推出大数据面试系列文章—五分钟小面试,此系列文章将会深入研究各大厂笔
面试真题
,并根据笔面试
题
扩展相关的知识点,助力大家都能够成功入职大厂!大数据笔面试系列文章分为两种类型:混合型(即一篇文章中会...
面试系列一:精选大数据
面试真题
10道(混合型)-附答案详细解析(二)
count(关联表)阈值配置与“空值检测”相同第十
题
:大数据
面试题
-海量
数据
相关(百度)问:在海量日志
数据
中,提取出某日访问百度次数最多的那个IP答:这类问题都归为求Top K的问题,解决方法都差不多。将这一天访问百度的日志的IP取出来,...
面试系列二:精选大数据
面试真题
JVM专项-附答案详细解析(二)
第二
题
:类加载相关(新浪微博)问:jvm加载类的过程主要有哪些,具体怎么加载?答:简答:类加载过程即是指JVM虚拟机把.class文件中类信息加载进内存,并进行解析生成对应的class对象的过程。分为五个步骤:加载->验证->准备->解析->初始...
谷歌微软等科技巨头
数据
科学
面试
的
真题
:你能答出多少
由于 Glassdoor 允许匿名提交内容,很多乐于分享的应聘者向大家提供了 Facebook、谷歌、微软等大公司的
面试题
。我们把其中的一部分列出以供大家参考。另外,如果你想转行成为一名
数据
科学家,这里也有一份实践指南(如何转行成为一名
数据
...
美团优选大数据开发岗
面试真题
-附答案详细解析(一)
公众号(五分钟学大
数据
)已推出大数据面试系列文章—五分钟小面试,此系列文章将会深入研究各大厂笔
面试真题
,并根据笔面试
题
扩展相关的知识点,助力大家都能够成功入职大厂!此面试
题
来自牛客网友分享的美团优选一面,面试时长一小时。...
美团优选大数据开发岗
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9.指标如何做到精准同上
题
,没有标准答案。仅供参考:指标要做到精准,就必须使用科学方法选指标。选指标常用方法是指标分级方法和OSM模型。1.指标分级方法:指标分级主要是指标内容纵向的思考,根据企业战略目标、组织及业务过程进行...
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数据集成
数据集成(Data Integration)是阿里集团对外提供的可跨异构数据存储系统的、可靠、安全、低成本、可弹性扩展的数据同步平台,为400+对数据源提供不同网络环境下的全量/增量数据进出通道。
立即开通
产品价格
产品文档
产品入门
快速入门指导
常见问题
产品动态
产品最新动态
实时数据同步上线
最佳实践
整库迁移
批量上云
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立即查看
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数据集成
数据集成(Data Integration)是阿里集团对外提供的可跨异构数据存储系统的、可靠、安全、低成本、可弹性扩展的数据同步平台,为400+对数据源提供不同网络环境下的全量/增量数据进出通道。
立即开通
产品价格
产品文档
产品入门
快速入门指导
常见问题
产品动态
产品最新动态
实时数据同步上线
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