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How do I filter ForeignKey choices in a Django ModelForm?

... can populate the validation data by making using the super(...).__init__ call in your overridden method. If you are making several of these queryset changes its a lot more elegant to package them by overriding the init method. – michael Aug 7 '09 at 4:53 ...
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Difference between var_dump,var_export & print_r

...2] => 42 [3] => Array ([0] => 42) ) var_export prints valid php code. Useful if you calculated some values and want the results as a constant in another script. Note that var_export can not handle reference cycles/recursive arrays, whereas var_dump and print_r check for these. var_exp...
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Array_merge versus + [duplicate]

... Because both arrays are numerically-indexed, only the values in the first array will be used. The + operator returns the right-hand array appended to the left-hand array; for keys that exist in both arrays, the elements from the left-hand array will be...
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How to check if an array value exists?

... Good question. This doesn't answer the question at all, as it's written. I don't recall, but since i answered about 3 minutes after the question was originally asked, i'd guess that the OP edited their original question to make it more clear, within the initial edit cutoff be...
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PHP路上的“年轻人” - PHP - 清泛IT社区,为创新赋能!

今晚在公司,又与一位刚做PHP工作一年的朋友聊了甚久。他与他们有一样的问题,比较迷茫。而我当年也有他们的困惑。虽然自己也还年轻,但作为一个阶段告以段落的“过来人”,还是想写点东西给“年轻人”。关于如何成长...
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完美解决phpcms批量移动内容后,新闻心情、评论排行等不更新的问题 - 更多...

完美解决phpcms批量移动内容后,新闻心情、评论排行等不更新的问题问题描述:phpcms批量移动内容 文章,批量更新URL -> "批量更新内容页"后,发现原内容的评论、新闻心情全部丢失,这还不算差,后台评论排...问题描述: phpcms...
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What's quicker and better to determine if an array key exists in PHP?

... @FrancescoPasa Well, "search for the keys" is what PHP documentation says. Other than that, I can't tell if "search" to them means something completely different to what it means to me. – Rain Apr 22 at 6:09 ...
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Biggest advantage to using ASP.Net MVC vs web forms

... Test Driven Development" over any other method ? I'm also confused how it allows RESTful urls when HttpContext.RewritePath Method (String) has been around since .NET 2.0 ? – Mark Broadhurst Sep 9 '10 at 15:48 ...
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Using usort in php with a class private function

... Man this seems like such a weird way to do this. Oh PHP, how we love you. – dudewad Nov 28 '13 at 0:07 13 ...
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How to remove duplicate values from an array in PHP

How can I remove duplicate values from an array in PHP? 24 Answers 24 ...