oucb oucb

## async-mysql.py
import asyncio

import aiomysql
from aiomysql.cursors import DictCursor


class MysqlWrapper:
    def __init__(self, host, port, user, password, db):
        self.host = host
        self.port = port

## gist:4a6ead1574c72568c2f4d8b60e9384b3
def get_count(q):
    count_q = q.statement.with_only_columns([func.count()]).order_by(None)
    count = q.session.execute(count_q).scalar()
    return count

q = session.query(TestModel).filter(...).order_by(...)

# Slow: SELECT COUNT(*) FROM (SELECT ... FROM TestModel WHERE ...) ...
print q.count()

## hs.md

      
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                oucb
                / hs.md
            
            
              Created
              June 21, 2012 06:27
                — forked from jackywyz/hs.md
            
              
                Haskell总结
              
          
    ###haskell 基本类型,bool(True/False),list[],tuple(),int,Integer,Double,char'' ,string"",function(\x->x+1)

wiki


packing
API链接
IDE:leksah
测试工具QuickCheck,HUnit
包管理工具cabal
手动安装包：
cd file_path

runhaskell Setup configure
	import asyncio

	import aiomysql
	from aiomysql.cursors import DictCursor


	class MysqlWrapper:
	def __init__(self, host, port, user, password, db):
	self.host = host
	self.port = port
	def get_count(q):
	count_q = q.statement.with_only_columns([func.count()]).order_by(None)
	count = q.session.execute(count_q).scalar()
	return count

	q = session.query(TestModel).filter(...).order_by(...)

	# Slow: SELECT COUNT(*) FROM (SELECT ... FROM TestModel WHERE ...) ...
	print q.count()