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