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import time from tornado.httpclient import HTTPClient,AsyncHTTPClient def ssync_visit(): old_time = time.time() #HTTPClient 是tornado 同步访问HTTP客户端 http_ 阅读全文
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select 是一种异步实现技术，poll与epoll都是给予select 来实现的，因此学会select至关重要，它会告诉你哪一个io事件就绪首先了解 select 函数在 c语言之中的定义: int select(int n,fd_set * readfds,fd_set * writefds, 阅读全文
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外键: 数据插入的完整性检验！ CREATE TABLE cities_two ( city varchar(80) primary key, location point ); create table weather_two ( --外键指向 cities_two city varchar(80) r... 阅读全文
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class WSGIHandler(base.BaseHandler): request_class = WSGIRequest def __init__(self, *args, **kwargs): super(WSGIHandler, self).__init__(*args, **kwarg 阅读全文
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# -*- coding: utf-8 -*- import logging from django.conf import settings from django.contrib.auth import authenticate from django.contrib.auth.models i 阅读全文