大约有 13,065 项符合查询结果(耗时:0.0269秒) [XML]

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How do I automatically sort a has_many relationship in Rails?

This seems like a really simple question but I haven't seen it answered anywhere. 5 Answers ...
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Postgres: “ERROR: cached plan must not change result type”

...y application. Does anyone know what this error means and what I can do about it? 3 Answers ...
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How to stop a JavaScript for loop?

I'm using this JavaScript to iterate through an array and find a matching array element: 4 Answers ...
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Why and not taking font-family and font-size from body?

... By default, browsers render most form elements (textareas, text boxes, buttons, etc) using OS controls or browser controls. So most of the font properties are taken from the theme the OS is currently using. You'll have to target th...
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Why does google.load cause my page to go blank?

Well, this looks strange but I'm not able to find a solution. 5 Answers 5 ...
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What is the difference between Fragment and FragmentActivity?

My question is apart from the obvious inheritance differences, what are the main differences between Fragment and FragmentActivity ? To what scenarios are each class best suited? I'm trying to get an understanding of why both of these classes exist... ...
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How to do a git diff on moved/renamed file?

I moved a file using git mv . Now I would like to do a diff on the new file to compare it with the old file (with the old, now non-existent name). ...
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Process all arguments except the first one (in a bash script)

I have a simple script where the first argument is reserved for the filename, and all other optional arguments should be passed to other parts of the script. ...
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MongoDB atomic “findOrCreate”: findOne, insert if nonexistent, but do not update

as the title says, I want to perform a find (one) for a document, by _id, and if doesn't exist, have it created, then whether it was found or was created, have it returned in the callback. ...
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How to Test a Concern in Rails

...that I have a Personable concern in my Rails 4 application which has a full_name method, how would I go about testing this using RSpec? ...