比官方文档详细很多，还cover了常见的坑～赞一个
mac下mongodb的安装和使用(使用终端操作)首先熟悉两个相关的基本概念： **mongod 是用来连接到mongodb数据库服务器的，即服务器端。mongo 是用来启动MongoDB shell的，是mongodb...
发简信
IP属地：华盛顿州
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mac下mongodb的安装和使用(使用终端操作)首先熟悉两个相关的基本概念： **mongod 是用来连接到mongodb数据库服务器的，即服务器端。mongo 是用来启动MongoDB shell的，是mongodb...
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Image Segmentation
Fully Convolutional Networks summary (easy to understand): 卷积神经网络CNN（3）—— FCN(Fully Con...
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connect to ipython jupyter notebook hosted remotely using your own browser
Assume remote ssh account is Alice@remote_ip_address Use ssh to log into remote server...
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WSum - MLE
Make a summary every week with project partner.Ask several questions:what is NB.
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Jan 29 page data
page size: typically ~100 KB, extreme 256 MB First question: row store or column store?...
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Numpy tricks:1. 排序的mask获取 应用场景：KNN中给定dataset X, Y, 在X中寻找dist最小的那几个的index然后到Y中去获取label。 Given a 2D ma...
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Assignment 1 Buffer manager
坑：用来做(page id)<=>(pagePtr)映射的map有两种实现，一种是map （内部红黑树，排序map相当于pq）unordered_map（hashmap）。后...
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Reservoir SamplingRefs: https://gregable.com/2007/10/reservoir-sampling.html http://blog.jobbole.com/4255...
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Jan22 disk failures
Disk failures Typically as DBMS imp, we assume second storage just works . classic reco...
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Jan 19/22 buffer management
Memory management in DBs. As databases designer, you don't trust the os. Includes Memor...
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Drawbridge OALeetcode 757 Set Intersection Size At Least Two https://leetcode.com/articles/set-inter...
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Design a food delivery system:Functional Requirements: User can search a restaurant based on restaurant name. Then us...
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Python Environment Setup
今天正式开始上Statistical Machine learning。 需要配置Pythonhttps://conda.io/docs/user-guide/getting...
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2018-01-12 Class notes -- storage
Storage layer: Two types of storage (not b+ tree, that's 2-3 steps up for indexing) HDD...
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Assignment zero: C++ 内存管理
assignment 0 (warm up) requires using class template to implement a stack. 有关内存分配：Node ...
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CPP class
class definition example: Keyword this 关键字：thisThe keyword this represents a pointer to...
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2018-01-10
What are key design goals when building a DBMS? support recovery from failures.storage ...
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Algorithm - Dynamic Programming
279. Perfect Squares image.png参考： https://www.geeksforgeeks.org/minimum-number-of-squar...
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CPlusPlus basics马上要学compiler construction和Database implementation两门课，用的是C/C++这是上课前预习/复习C/C++的笔记： Overlo...
