大约有 35,000 项符合查询结果(耗时:0.0471秒) [XML]

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How to force R to use a specified factor level as reference in a regression?

... Gavin SimpsonGavin Simpson 152k2424 gold badges354354 silver badges415415 bronze badges ...
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View more than one project/solution in Visual Studio

...und with some Windows Services. I have created two solutions and I would like to view both of them at once. Without having to click file->recent projects to switch back and forth. ...
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Is there a way to programmatically scroll a scroll view to a specific edit text?

... It is a form with various fields that the user must fill in. I have a checkbox half way down my form, and when the user checks it I want to scroll to a specific part of the view. Is there any way to scroll to an EditText object (or any other view object) programmatically? ...
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What is the difference between `throw new Error` and `throw someObject`?

...rors to occur before control is automatically transferred from the try block to the catch block, you can also explicitly throw your own exceptions to force that to happen on demand. This is great for creating your own definitions of what an error is and when control should be transferred to catch. ...
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Is there a way to make HTML5 video fullscreen?

... HTML 5 provides no way to make a video fullscreen, but the parallel Fullscreen specification supplies the requestFullScreen method which allows arbitrary elements (including <video> elements) to be made fullscreen. It has experimental support in ...
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“unpacking” a tuple to call a matching function pointer

... "<<b<<" "<<c<< std::endl; }; auto params = std::make_tuple(1,2.0,"Hello"); std::apply(f, params); Just felt that should be stated once in an answer in this thread (after it already appeared in one of the comments). The basic C++14 solution is still missing in this threa...
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Exif manipulation library for python [closed]

I'm looking for good exif (Exchangeable image file format) manipulation library for python. I prefer flexibility (e.g., ability to retrieve providers' proprietary tags) than processing speed. What would you suggest? ...
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Sending email through Gmail SMTP server with C#

For some reason neither the accepted answer nor any others work for me for " Sending email in .NET through Gmail ". Why would they not work? ...
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Convert PEM to PPK file format

Is there a way to convert PEM files to PPK files? (you may guess that Amazon EC2 gives me a PEM file, and I need to use the PPK format for SSH connectivity). ...
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Converting an object to a string

... splash 12.1k11 gold badge3737 silver badges6161 bronze badges answered Apr 10 '11 at 15:44 Gary ChambersGary Cha...