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A collection of multiple user credentials each associated with one of multiple different users is obtained at a device, and one or more of the multiple user credentials are verified. A determination is made as to whether access to a resource is permi…

Intelligent devices have become more and more widespread in our lives. Intelligent scene lights are also a type of intelligent systems that are very convenient for people's lives. Now that intelligent lighting has also entered life, then the concept…

墙外通道:https://genode.org/documentation/articles/trustzone ARM TrustZone technology has been around for almost a decade. It was introduced at a time when the controversial discussion about trusted platform-modules (TPM) on x86 platforms was in full swi…

转自:http://www.mdpi.com/1424-8220/12/9/11734/htm Sensors 2012, 12(9), 11734-11753; doi:10.3390/s120911734 Article Overview and Evaluation of Bluetooth Low Energy: An Emerging Low-Power Wireless Technology Carles Gomez 1,*, Joaquim Oller 2 and Josep Pa…

关于iOS技术 iOS是运行在iPad,iPhone和iPod touch设备上的操作系统.这个操作系统管理着这些设备的硬件并且提供了实现原生APP所需的技术.这个操作系统也附带许多系统APP,例如Phone,Mail和Safari,这些应用为用户提供了标准的系统服务. iOS软件开发工具(SDK)包含了用来开发,安装,运行和测试那些运行在iOS设备上的原生APP的工具和接口 .原生APP是用iOS系统框架和Objective-C语言开发,而且能够直接在iOS上运行.不像web应用,原生APP安…

The UK government's plans for regulation of the internet and social media contained a long list of online harms. Among them was excessive screen use by teenagers.On the Tech Tent podcast this week, we ask whether there is convincing evidence that spe…

2015/6/4 Open CASCADE Technology: IGES Support http://www.opencascade.org/doc/occt­6.7.0/overview/html/user_guides__iges.html 1/35 Table of Contents Introduction Reading IGES Procedure Domain covered Translatable entities Attributes Administrative da…

本文主要记录,过去两百年间,科技发展的时间线 这些内容,是自己在学习电脑发展历史的时候做的, 感兴趣的同学,可以复制到 Excel 里面,按顺序逐一进行学习, 学习和整理的过程确实花了很长时间,但是并非详尽,只能用于学习和了解的辅助, 希望对同样研究,科技发展历史的同学有帮助. 参考阅读里面列出了,制作这个时间线的时候,使用的一些文献, 推荐阅读里面,重点推荐一个博客的系列,名字叫做<硅谷传奇>,作者叫,老钱. 这一系列文章写得非常的好,强烈推荐,研究科技发展历史的同学,一定要去读下. Tec…