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resize

resize可以添加到收藏夹后，可直接在浏览器中出现各种分辨率的选择工具来查看不同分辨率下的页面效果
Merge pull request #1 from linxz/master

感谢,处女pull request
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add comment
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add webapp practise
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add new solution
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Merge pull request #1 from jtyjty99999/master

update from origin