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What is the difference between “screen” and “only screen” in media queries?
...en and (max-width:480px) { … }
To block older browsers from seeing an iPhone or Android phone style sheet, you could write:
@media only screen and (max-width: 480px;) { … }
Read this article for more http://webdesign.about.com/od/css3/a/css3-media-queries.htm
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What's the UIScrollView contentInset property for?
... place where this is actually used, look at the build-in Photos app on the iphone. The Navigation bar and status bar are transparent, and the contents of the scroll view are visible underneath. That's because the scroll view's frame extends out that far. But if it wasn't for the content inset, you w...
How do I do base64 encoding on iOS?
... base64 encoding and decoding, but I could not find any support from the iPhone SDK . How can I do base64 encoding and decoding with or without a library?
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不同品牌的防火墙组成高可靠性集群 - 更多技术 - 清泛网 - 专注C/C++及内核技术
.../iproute2/rt_tables这个文件里，一般0编号
的table对应的别名为upspec，255编号对应的别名为local，254和253对应的别名分别为main和default，我们通常用route命令配置和查看的路由表信息为别名
为main的路由表信息。
2、路由规则负责定义...
思维导图软件 XMind 与 FreeMind 的对比 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...件是 FreeMind 和 XMind。FreeMind历史悠久，当属经典；XMind作为后起之秀，大有赶超之势。同...思维导图类软件中，最有影响力的开源免费软件是 FreeMind 和 XMind。FreeMind历史悠久，当属经典；XMind作为后起之秀，大有赶超之势。同作...
关于php的socket初探 - PHP - 清泛IT论坛，有思想、有深度
...着，等到鱼上钩了再拉杆；
B的鱼竿有个功能，能够显示是否有鱼上钩，所以呢，B就和旁边的MM聊天，隔会再看看有没有鱼上钩，有的话就迅速拉杆；
C用的鱼竿和B差不多，但他想了一个好办法，就是同时放好几根鱼竿，然后...
如果携程决心战略性亏损到底，去哪儿怕是只剩一条路可走 - 资讯 - 清泛网 -...
...利润，但同比增长仅27%。同时这是携程继2014年Q4后净亏损为2.24亿元后的的再度亏损。尽管在财报电话会议上，携程CFO王肖璠表示：预计第二季度将恢复盈利,而对比去年Q2利润9100万，上半年占了全年净利润的86%，所以携程是铁了...
How do I apply a perspective transform to a UIView?
...t the "CovertFlow" sample that comes with Xcode. It's mac-only (ie not for iPhone), but a lot of the concepts transfer well.
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淘宝网采用什么技术架构来实现网站高负载的 - 更多技术 - 清泛网 - 专注C/C...
...一个系 统的伸缩性的好坏取决于应用的状态如何管理。为什么这么说呢?咱们试想一下，假如我们在session中保存了大量与客户端的状态信 息的话，那么当保存状态信息的server宕机的时候，我们怎么办?通常来说，我们都是通过集...
How do I send a cross-domain POST request via JavaScript?
...nce they do not allow cross domain POST at all. I've tested android, iPad, iPhone
There is a pretty big bug in FF < 3.6 where if the server returns a non 400 response code AND there is a response body (validation errors for example), FF 3.6 wont get the response body. This is a huge pain in the a...