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备忘录
前端框架：
Bootstrap：http://www.bootcss.com/
响应式布局:<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1,user-scalable=no" />
| Property | Description |
| width | Width of the viewport in pixels (or device-width). If width isn’t set, it defaults to a desktop size (980px on mobile Safari). |
| height | Height of the viewport in pixels (or device-height). Generally you don’t need to worry about setting this property. |
| initial-scale | (0 to 10.0) Multiplier that sets the scale of the page after its initial display. Safe bet: if you need to set it, set it to 1.0. Larger values = zoomed in, smaller values = zoomed out |
| minimum-scale | (0 to 10.0) The minimum multiplier the user can “zoom out” to. Defaults to 0.25 on mobile Safari. |
| maximum-scale | (0 to 10.0) The minimum multiplier the user can “zoom in” to. Defaults to 1.6 on mobile Safari. |
| user-scalable | (yes/no) Whether to allow a user from scaling in/out (zooming in/out). Default to “yes” on mobile Safari. |
去重：ROW_NUMBER() OVER(PARTITION BY [] ORDER BY []) as xx
//todo...
备忘录
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