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    When I upload a photo, my model fails validation, err well even without any validations I'm returned this error: /tmp ... ] = "/opt/local/bin" See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    could some one point me to the right direction: I try to build a model for rails that build up the following: ... how to build the model Thanks! See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I am implementing a Facebook application and using AJAX/JSON. However the JSON structures that are returned ... sending the JSON structures. See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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