Tips of Programming in Google App Engine

最新推荐文章于 2025-05-11 22:38:37 发布

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本文介绍了一种解决因数据库未初始化而导致页面无法写入的问题的方法。首先使用随机数据填充数据库，之后删除这部分代码并重新提交整个代码。此外还讨论了元组添加时自动添加日期时间戳的功能，但更新操作不会自动更新日期时间。

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The page can't not be written out if the database is not initialed. My solution of this problem is the step-complex but easy one. It is to write the database with random data at first, and then delete the code of this part and submit the whole code again.
Datetime is auto added at the beginning of adding a tuple. However, the update operating can not update the datetime automatically.