bwhite

"""Information Retrieval metrics

Useful Resources:
http://www.cs.utexas.edu/~mooney/ir-course/slides/Evaluation.ppt
http://www.nii.ac.jp/TechReports/05-014E.pdf
http://www.stanford.edu/class/cs276/handouts/EvaluationNew-handout-6-per.pdf
http://hal.archives-ouvertes.fr/docs/00/72/67/60/PDF/07-busa-fekete.pdf
Learning to Rank for Information Retrieval (Tie-Yan Liu)
"""
import numpy as np

zxhfighter

如何给开源项目贡献代码

分两种情况：

• 代码仓库管理者给你添加该仓库的写入权限，这样的话可以直接push
• 如果不能直接push（大多数情况），采用经典的fork & pull request来提交代码，下面讲述这种情况

fork & pull request

例如有个仓库https://github.com/ecomfe/esui.git，其采用了经典的分支开发模型，稳定后的代码提交到master分支，其余特性则在dev分支上进行开发，待成熟后合并回master分支。

ahmu83

{
  "New York": [
    "New York",
    "Buffalo",
    "Rochester",
    "Yonkers",
    "Syracuse",
    "Albany",
    "New Rochelle",
    "Mount Vernon",

kgantsov

import asyncio
import os

from aiohttp import web
from aiohttp import streamer


@streamer
async def file_sender(writer, file_path=None):
    """

hscspring

- a 形容词  
	- ad 副形词  
	- ag 形容词性语素  
	- an 名形词  
- b 区别词  
- c 连词  
- d 副词  
	- df   
	- dg 副语素  
- e 叹词  

Lwdthe1

[
	{ "city": "Abbeville", "state": "Louisiana" },
	{ "city": "Aberdeen", "state": "Maryland" },
	{ "city": "Aberdeen", "state": "Mississippi" },
	{ "city": "Aberdeen", "state": "South Dakota" },
	{ "city": "Aberdeen", "state": "Washington" },
	{ "city": "Abilene", "state": "Texas" },
	{ "city": "Abilene", "state": "Kansas" },
	{ "city": "Abingdon", "state": "Virginia" },
	{ "city": "Abington", "state": "Massachusetts" },

ninehills