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erya272 / System Design.md
Created May 5, 2016 02:08 — forked from vasanthk/System Design.md
System Design Cheatsheet

#System Design Cheatsheet

Picking the right architecture = Picking the right battles + Managing trade-offs

##Basic Steps

  1. Clarify and agree on the scope of the system
  • User cases (description of sequences of events that, taken together, lead to a system doing something useful)
    • Who is going to use it?
    • How are they going to use it?
# coding: utf-8
# author: haofly
#
# fun: 生成随机姓名、随机电话号码、随机字符串,目前仅支持Python2
import random
def generateName(first_len=0, last_len=0):
surnames = [
,'._,`. PYTHON SUCKS
(-.___.-) EVEN SANDNIGGERS CAN MASTER IT
(-.___.-) DESPITE THE FACT THAT THIS IS OBVIOUSLY A COBRA
`-.___.-'
(( @ @| . __
\ ` | ,\ |`. @| | | _.-._
__`.`=-=mm===mm:: | | |`. | | | ,'=` '=`.
( `-'|:/ /:/ `/ @| | | |, @| @| /---)W(---\
\ \ / / / / @| | ' (----| |----) ,~
|\ \ / /| / / @| \---| |---/ |