1、
case when post_ask_pay.price="" then 10 else post_ask_pay.price end as priceSELECT distinct post_ask_pay.user_id as ask_user_id,post_ask_pay.ask_id,post_ask.expert_id,FROM_UNIXTIME(post_ask
#!/usr/bin/python
# -*- coding: utf-8 -*-
"""
Created on 2015-1-21
@author: beyondzhou
@name: nltk_compute_collocation.py
"""
import json
import nltk
# Load in human language data
DATA = r"E:
