大约有 1,745 项符合查询结果(耗时:0.0167秒) [XML]

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Using socket.io in Express 4 and express-generator's /bin/www

... Can anyone update this for socket.io 2.0? It's not working for me. io.attach(server) and io.listen(server) both throw "cannot read property X of undefined". – tsujp Jul 28 '17 at 16:06 ...
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Converting numpy dtypes to native python types

... print(type(listed_np_array), listed_np_array) <class 'list'> [[1.0, 2.0, 3.0], [4.0, 5.0, 6.0]] share | improve this answer | follow | ...
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In Django - Model Inheritance - Does it allow you to override a parent model's attribute?

...el fields inherited from abstract base classes." docs.djangoproject.com/en/2.0/releases/1.10/#models – lampslave Apr 24 '18 at 12:53 ...
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Infinite Recursion with Jackson JSON and Hibernate JPA issue

... Also, using Jackson 2.0+ you can use @JsonIdentityInfo. This worked much better for my hibernate classes than @JsonBackReference and @JsonManagedReference, which had problems for me and did not solve the issue. Just add something like: @Entit...
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Why does AuthorizeAttribute redirect to the login page for authentication and authorization failures

... If your using aspnetcore 2.0, use this: using System; using Microsoft.AspNetCore.Mvc; using Microsoft.AspNetCore.Mvc.Filters; namespace Core { [AttributeUsage(AttributeTargets.Class | AttributeTargets.Method, Inherited = true, AllowMultiple = t...
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Using XPATH to search text containing  

...ndle escaping Unicode chars. There seems to be functions for that in XPath 2.0 but it looks like Firefox doesn't support it (or I misunderstood something). So you have to do with local codepage. Ugly, I know. Actually, it looks like the standard is relying on the programming language using XPath to...
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What are the key differences between Scala and Groovy? [closed]

...ter, it seems, but the Groovy folks are really pushing performance for the 2.0 release. 1.6 gave a huge leap in speed over the 1.5 series. I don't think that either language will really 'win', as they target two different classes of problems. Scala is a high-performance language that is very Java...
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How do I compute derivative using Numpy?

...qrt(numpy.finfo(float).eps) * (1.0 + x) print (p(x + eps) - p(x - eps)) / (2.0 * eps * x) if you have an array x of abscissae with a corresponding array y of function values, you can comput approximations of derivatives with numpy.diff(y) / numpy.diff(x) ...
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How do you enable “Enable .NET Framework source stepping”?

... In my case, I was debugging an old .NET 2.0 WinForms application and I got the "Source Not Available" message. I tried all the recommended settings. Ultimately, I rebuilt the app to temporarily target .NET 4.5 and was able to get the source stepping to work. Perha...
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Modify tick label text

...ext() for item in axes.get_xticklabels()] ['0.0', 'change', '1.0', '1.5', '2.0'] It works in the versions from 1.1.1rc1 to the current version 2.0. share | improve this answer | ...