BACKGROUND The present disclosure relates to the resource management of virtual machine(s) using hardware address mapping, and, more specifically, to facilitate direct access to devices from virtual machines, utilizing control of hardware address tra…

来源:http://asciiwwdc.com/2014/sessions/513   Direct Access to Video Encoding and Decoding  Session 513 WWDC 2014 Discover how to use AV Foundation and Video Toolbox to access hardware accelerated encoding and decoding services. Gain best practices fo…

Oracle客户端工具出现"Cannot access NLS data files or invalid environment specified"错误的解决办法 方法一:参考,http://blog.csdn.net/longyuhome/article/details/7977433 方法二:此外也可以在环境变量(我的电脑-->右键属性-->高级系统设置-->环境变量-->系统变量)中添加NLS_LANG=SIMPLIFIED CHINESE_CHINA…

ASM实例无法启动 [grid@data ~]$ sqlplus / as sysasm SQL*Plus: Release 11.2.0.4.0 Production on Fri Sep 11 09:00:34 2015 Copyright (c) 1982, 2013, Oracle. All rights reserved. ERROR: ORA-12705: Cannot access NLS data files or invalid environment specified 无法…

0.课程地址与说明 1.课程地址:https://www.coursera.org/learn/python-network-data/home/welcome 2.课程全名:Using Python to Access Web Data 3.建议使用Python2进行学习 4.仅第一周有中文字幕,其它的只有英文字幕,只要英语有四级基本没有太大问题 5.本人使用的工具是蓝灯,做作业时可以用Google翻译插件帮帮忙 注:第一周讲课程说明和安装Python,无笔记 1.Regular Expres…

This article shows how to access MongoDB data using an Entity Framework code-first approach. Entity Framework 6 is available in .NET 4.5 and above. Entity Framework is an object-relational mapping framework that can be used to work with data as objec…

Coursera课程<Using Python to Access Web Data> 密歇根大学 Week6 JSON and the REST Architecture 13.5 JavaScript Object Notation(JSON) JSON是一种相比于XML更简单的格式,而且现在在互联网上非常普遍.XML是很强大,但是很多时候我们并不需要使用这么强大的格式,我们就能完成我们的任务. import json data = '''{ "name": "…

Coursera课程<Using Python to Access Web Data > 密歇根大学 Charles Severance Week2 Regular Expressions 11.1 Regular Expressions 11.1.1 Python Regular Expression Quick Guide ^ 匹配一行的开头 $ 匹配一行的末尾 . 匹配任何字符 \s 匹配空白字符 \S 匹配任何非空白字符 ***** 重复一个字符0次或多次 *? 重复一个字符0次或多次…

Coursera课程<Using Python to Access Web Data> 密歇根大学 Week5 Web Services and XML 13.1 Data on the Web 在网络上我们需要用一种固定的模板进行交流,python将我们的内容serialize成这种模板,然后再de-serialize让另外一种语言读懂. 现在有两种交流模板:XML和JSON. 13.2 Extensible Markup Language(XML) XML也就是可扩展标记语言(Extens…

Coursera课程<Using Python to Access Web Data> 密歇根大学 Week4 Programs that Surf the Web 12.3 Unicode Characters and Strings Representing Simple Strings 使用ASCII码,每个字符都被一个0到256的数字表示来存在8bits的内存里. 使用ord()函数可以查询,指定字符所对应的ASCII码. >>> print(ord('H')) 72…