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Quora.com，一款问答 SNS。这家公司出名，因为它是 Facebook 前 VP Adam D’Angelo 所创，产品尚未上线，即被估值 8000 万美元
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Quora 给我的感觉是，当大家把提问这件事 crowd sourcing，那些关于每件事的最好的问题就浮现了出来。
我现在每天泡在上面，看到人们问关于科技、商业的各种问题，有事关新闻的，也有那种隐藏的被忽略的常识
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Additionally, you can feel free to use the Search bar selection mechanism as a replacement for tabs since it’s really just a fast pivot on a data set. If you have more than 3 data sets, tabs become problematic since no more than 3 can be onscreen at once. For example, look at how we implemented the Profile switching mechanism below:
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Gizzard is a framework in that it offers a basic template for solving a certain class of problem. This template is not perfect for everyone's needs but is useful for a wide variety of data storage problems. At a high level, Gizzard is a middleware networking service that manages partitioning data across arbitrary backend datastores (e.g., SQL databases, Lucene, etc.). The partitioning rules are stored in a forwarding table that maps key ranges to partitions. Each partition manages its own replication through a declarative replication tree. Gizzard supports "migrations" (for example, elastically adding machines to the cluster) and gracefully handles failures. The system is made eventually consistent by requiring that all write-operations are idempotent and as operations fail (because of, e.g., a network partition) they are retried at a later time.
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Twitter已经从以往的数据存储开发经
验中提出一个名为Gizzard的
Scala框架，让用户可以更方便地创建自定义容错、分布式数据库。Twitter给出了一个名为“Rowz”的示例，方便用户上手。Twitter还公布了Gizzard的完整代码。
有了Gizzard，初创公司和小公司就可以更好更快地处理大量数据，从而利用更少的资源满足用户需求
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A place for your team in Twitter-like project collaboration tool.
Share tasks, messages, files. Get notified by email. Real group collaboration for your projects!
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Inbox-driven. You can be notified by emails from activities in your projects
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And yet to dismiss Twitter is a mistake because it’s an incredibly powerful tool for your personal learning, connecting with others and complements your blogging
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Following too few people with too few following means you’re less likely to see the true power of twitter for connecting and providing assistance. Follow too many people makes it harder to maintain the conversation.
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