《数据科学面试40+真题讲解》,K神本年度最后一次开课


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码农求职神器Triplebyte:
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Airbnb 数据科学职位
in analytics and inference
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yuranrobin 发表于 2017-9-16 05:54:21 | 显示全部楼层 |阅读模式

2017(7-9月) 码农类 硕士 全职@Goldman Sachs - 猎头 - Onsite |Other在职跳槽

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因未LZ懒不想作陆个晓时飞机到扭腰去免试 所以就事频onsite了
伊共五轮 每轮伊个晓时 两个人一起面你 中间休息了伊个晓时
很多基础知识 LZ有伊些也搭不上来

LZ面的职位据猎头说是跟equity front什么有关 具体也不太清楚 面试官来自于各种组. from: 1point3acres.com/bbs
感觉是知识考的很宽 面试官可能逮住一点继续往下问 所以你提到某个东西的时候保证你知道那个东西是怎么运作的

Project management:
Test coverage preference? How do you prefer writing test code? Write test case before, same time or after adding new feature?
Agile vs waterfall? Your preference?
If you have a small team doing web app, how to choose different technologies?

System design:
Design a LRU.
Design a read/search/delete constant time data structure. The key is integer.
Design a image/ video content management system.
Design a library management system.
Design a search service system like Google.
Design a data visualization service. Push/ pull model.
Design a low latency data read system.

Algorithm:. From 1point 3acres bbs
How to verify everyone on FB can connect each other in 5 degree?
Tree level order traversal print.
Remove duplicate element in list..鐣欏璁哄潧-涓浜-涓夊垎鍦

Java:
What is HashMap? How does Java implement it? Time complexity? Compare with TreeMap.
How to handle collision in Java? Or some other ways? How to implement hash function?
What is TreeMap? How does Java implement it? Time complexity?
Difference of Collection and Collections?
Difference of weak reference and soft reference?-google 1point3acres
Why String is immutable? (Should have 4 reasons)
. from: 1point3acres.com/bbs How does Java GC work? How to design a GC mechanism?
. 鐗涗汉浜戦泦,涓浜╀笁鍒嗗湴
Frontend/ HTML/ CSS:
Where should we put external JS lib in on template page?-google 1point3acres
What is sass? Why do we use it?

API:
How do you design API endpoint path?. 鐣欏鐢宠璁哄潧-涓浜╀笁鍒嗗湴
How does browser determine the video/ image content? The answer is HTTP code.

. from: 1point3acres.com/bbs Web:
When you hit a website, what is going to happen next?
If your website is slow, how to optimize it?

Database:. 鐣欏鐢宠璁哄潧-涓浜╀笁鍒嗗湴
What is normalization of Database? What is pro and cons?
What is denormalization? Pro and cons? 鏉ユ簮涓浜.涓夊垎鍦拌鍧.
NoSQL vs relational database?
What is HDFS? How does it works?
How to optimize query? Not specifically on query itself but general.. 1point3acres.com/bbs
How to solve data inconsistency problem of master slave model?

Behavior question:
How to explain DOM to non CS people? Like marketers.. more info on 1point3acres.com
What is your most proud project and why?
How do you think Goldman Sachs website?.鏈枃鍘熷垱鑷1point3acres璁哄潧
Why Goldman Sachs?



补充内容 (2017-9-15 16:05):
电面请戳 http://www.1point3acres.com/bbs/thread-290438-1-1.html

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