大约有 40,000 项符合查询结果（耗时：0.0640秒） [XML]
Why does Double.NaN==Double.NaN return false?
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falsarella
11.2k77 gold badges6161 silver badges104104 bronze badges
answered Jan 11 '12 at 13:06
Adrian MitevAdrian...
Saving image from PHP URL
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Andrew
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answered Apr 7 '09 at 7:15
vartecvartec
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Image.Save(..) throws a GDI+ exception because the memory stream is closed
...you shouldn't close it. As the docs for that constructor say:
You must keep the stream open for the
lifetime of the Bitmap.
I can't find any docs promising to close the stream when you dispose the bitmap, but you should be able to verify that fairly easily.
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Calling dynamic function with dynamic number of parameters [duplicate]
I’m looking for a trick about this. I know how to call a dynamic, arbitrary function in JavaScript, passing specific parameters, something like this:
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Rails: around_* callbacks
...e documentation at http://api.rubyonrails.org/classes/ActiveRecord/Callbacks.html , but don't understand when the around_* callbacks are triggered in relation to before_* and after_* .
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Recommendation for compressing JPG files with ImageMagick
I want to compress a JPG image file with ImageMagick but can't get much difference in size. By default the output size is bigger than the input. I don't know why, but after adding some +profile options and setting down the quality I can get an smaller size but still similar to original.
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Formatting a number with exactly two decimals in JavaScript
...of code which rounds my numbers to two decimal places. But I get numbers like this: 10.8, 2.4, etc. These are not my idea of two decimal places so how I can improve the following?
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css rotate a pseudo :after or :before content:“”
anyway to make a rotation work on the pseudo
2 Answers
2
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What is the easiest way to push an element to the beginning of the array?
I can't think of a one line way to do this. Is there a way?
6 Answers
6
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How do I list the symbols in a .so file
... list the symbols being exported from a .so file? If possible, I'd also like to know their source (e.g. if they are pulled in from a static library).
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