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Nevin Dong's Blog
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January, 2014
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Nevin Dong's Blog
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January, 2014
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通知中心(Notification Hub)伸缩性(Scalability)、使用情况(Usage)监控及相关定价(Pricing)的考虑
Posted
11 months ago
by
Nevin (Naiwen) Dong
微软 Windows Azure 云服务中,通知中心( Notification Hub )提供了能够支撑超百万级设备互联的利器。具体见下面的文章: http://blogs.technet.com/b/nevin_dongs_blog/archive/2013/11/16/windows-azure-notification-hub.aspx 需要注意的是,目前在管理门户( Management Portal )中的 ” 设置( Setting ) “...
当大数据(Big Data)遇到大计算(Big Compute)
Posted
11 months ago
by
Nevin (Naiwen) Dong
云计算提供了 一个可配置的共享资源池,该资源池提供网络、服务器、存储、应用和服务等多种硬件和软件资源。(具体可见 美国国家标准与技术研究院 NIST的相关文件: http://csrc.nist.gov/publications/nistpubs/800-145/SP800-145.pdf )。其中计算、存储、网络等构成了最关键的要素。 对于存储,特别是针对 大数据 ( Big Data ) , 微软 Windows Azure HDInsight 提供了基于公有云的 Hadoop 服务...
遭遇Lumia 920重置过程中齿轮困境及解决
Posted
11 months ago
by
Nevin (Naiwen) Dong
前两天,把自己的 WP8 手机放在裤子口袋里,可能是按键被无意触碰,结果手机登录密码被反复重试,只剩最后一次机会了。 以前在 WP7 及之前的 Lumia 800 手机都碰到过类似情况,包括被别人反复试登录密码,结果结局就是手机操作系统被重置。从某种角度来讲,这一特性保护了手机拥有者的数据安全,特别是遭遇丢失或恶意登录的情形。 这次鬼使神差,在最后这次输入密码的时候,输错一个数字,结果再次悲剧了,系统重置了。 更加悲剧的是:重置过程一直卡在一个齿轮界面。原以为像以前一样,很快就可以完成重置...