Overview 一個cassandra 集群是由一些commodity server組成的ring-like的去中心化網(wǎng)絡(luò)岔绸。一個client連接cluster是通過連接這個...
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IP屬地：華盛頓州
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使用對象 - javscript
Reference: https://developer.mozilla.org/zh-CN/docs/Web/JavaScript/Guide/Working_with_O...
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HTTP request method 面試題
GET It requests a resource at the request URL. It should not contain a request body as ...
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garbage collection in Java
Garbage Collector is to free heap memory by destroying unreachable objects. Unreachable...
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LC-600 Non-negative Integers without Consecutive Ones
Given a positive integer n, find the number of non-negative integers less than or equal...
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heap source code python
heapq source code https://hg.python.org/cpython/file/3.4/Lib/heapq.pyhttps://hg.python....
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SQL and NoSQL
SQL數(shù)據(jù)庫被稱為關(guān)系型數(shù)據(jù)庫（RDBMS）忙上，而NoSQL數(shù)據(jù)庫被稱為非關(guān)系型數(shù)據(jù)庫或分布式數(shù)據(jù)庫拷呆。 儲存方式 tabledocument， key-value 數(shù)據(jù)關(guān)系需要...
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ETL Process1. Extracting Extracting the data from different sources – the data sources can be file...
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map, reduce, filter -python
map() map returns an iterator.map takes a function and applied the function to every it...
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largest devisible subset
http://lintcode.com/en/problem/largest-divisible-subset/https://leetcode.com/problems/l...
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browser storage
問題 瀏覽器如何存儲信息项秉？ 使用cookie 和 localstorage 那個是永久存儲？ 都可以永久儲存慷彤，但是cookies可以set expire date 最大的不同...
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API design
未完。底哗。 講清楚如何用以下的概念建立一個完整的網(wǎng)站最重要岁诉。databases, app servers, web servers, HTTP database：well st...
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Database 面試題Database mySQL： 設(shè)計場景 Foreign key: A FOREIGN KEY is a key used to link two tables togeth...
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Map Reduce Architechtureinput, split map shuffle Reduce Finalize References：http://hokein.me/2013/10/17/map-red...