大约有 44,677 项符合查询结果(耗时:0.0401秒) [XML]

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Is it possible to create static classes in PHP (like in C#)?

I want to create a static class in PHP and have it behave like it does in C#, so 6 Answers ...
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How to run a PowerShell script without displaying a window?

How is it possible to run a PowerShell script without displaying a window or any other sign to the user? 11 Answers ...
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What is the difference between self-types and trait subclasses?

A self-type for a trait A : 11 Answers 11 ...
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Unique fields that allow nulls in Django

...oo which has field bar. The bar field should be unique, but allow nulls in it, meaning I want to allow more than one record if bar field is null , but if it is not null the values must be unique. ...
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Javascript regex returning true.. then false.. then true.. etc [duplicate]

I have a strange problem with the validation I am writing on a form. It is a 'Check Username' button next to an input. The input default value is the username for example 'betamax'. When I press 'Check Username' it passes the regex and sends the username to the server. The server behaves as expected...
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CSS fixed width in a span

Within an unordered list: 11 Answers 11 ...
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Is there a standard naming convention for git tags? [closed]

...een a lot of projects using v1.2.3 as the naming convention for tags in git. I've also seen some use 1.2.3 . Is there an officially endorsed style, or are there any good arguments for using either? ...
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Can I “multiply” a string (in C#)?

... And it's not much more in .NET 3.5: String.Concat(Enumerable.Repeat("Hello", 4).ToArray()) – Mark Foreman Sep 3 '12 at 0:54 ...
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Hide the cursor of an UITextField

I am using a UITextField with a UIPickerView for its inputView , so that when the user taps the text field, a picker is summoned for them to select an option from. ...
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How to overlay one div over another div

I need assistance with overlaying one individual div over another individual div . 8 Answers ...