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Sqlite and iossqlite for Ios development

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Singleton design mode for IOS development and IOS development

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Detailed usage of UIAlertView and UIAlertController in IOS development and iosuialertview

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Append data to the sandbox path instead of overwriting the previous data.

Append data to the sandbox path instead of overwriting the previous data. The Spring Festival is approaching. This is a busy time, and there is no time to write a blog for various projects. /** * @ Brief append the written data to the sandbox path *

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