...ted certificate authority. The certificate contains the domain name and/or ip address of the web server. Your web browser confirms with the certificate authority that the address listed in the certificate is the one to which it has an open connection. Your web browser generates a shared symmetric k...

...等许多领域，极大地丰富了C++的功能和表现力，能够使C++软件开发更加简洁、优雅、灵活和高效。 《Boost程序库完全开发指南：深入C++"准"标准库》基于Boost1.42版，介绍了其中的所有99个库，并且详细深入地讲解了其中数十个库...

...dges a set of packets, calculated by using the TCP window size and round-trip time (RTT). For more information, I recommend the simple, but very comprehensible Skullbox explanation (TCP vs. UDP) share | ...

...结合当时方兴未艾的RFID技术做了一整套的生猪养殖过程监控系统。他们的解决方案是这样的：给每一头猪都打上一个RFID耳标，而后通过后台管理系统自动追踪每一头猪的喂养和用药情况。当时的一个RFID猪耳标售价二三十元，再...

...omes invalid. If it was all based on cookies, a user (or hacker) could manipulate their cookie data and then play requests to your site. Edit: I don't think there is any advantage to using cookies, other than simplicity. Look at it this way... Does the user have any reason to know their ID#? Ty...

... this is that it is very hard to preserve absolute consistency. See the wikipedia article for more. Wikipedia seems to have a nice summary of the advantages and disadvantages Advantages If one master fails, other masters will continue to update the database. Masters can be located ...

...as. I typically use this status code for resources that are locked down by IP address ranges or files in my webroot that I don't want direct access to (i.e. a script must serve them). – Kyle May 9 '13 at 13:20 ...

...等应用现在提供从电子商务、游戏、不同公司开发的智能软件甚至是打车服务等包罗万象的各种服务。 WhatsApp则仍然保持了最传统的即时通讯应用的特色，没有进入这些服务领域。然而，过去几年来，类似于Rare Pink这样的一些...

...因阻碍到达率。用户被运营商加入了黑名单、短信被安全软件拦截、短信通道各种问题导致短信延迟验证码等等各种问题更是屡见不鲜。 据DoNew报道，早在2014年滴滴打车提速补贴之时，滴滴一位产品负责人偶然百度搜索了“滴...

...，通过用户的活跃度和发布的朋友圈来做。那么这就得去监控用户行为，后台将这些动作作为依据去迭代模型。 到底约几次才能找到真爱？ 这是个有趣问题，老派的约会方式是去本地的PUB，比如你有1%的可能性对方同意要约，...