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pdf预览功能研究形成文档：[url]https://puravidaapps.com/snippets.php#2p...
pdf预览功能研究形成文档：https://puravidaapps.com/snippets.php#2pdfpdf完成，但这个文档里面还有很多东西，需要整理。
What is an uber jar?
I am reading Maven documentation and came across the name 'uber-jar'.
7 Answers
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Rails 4 image-path, image-url and asset-url no longer work in SCSS files
Are we supposed to use something else aside from image-url and others in Rails 4? They return different values that don't seem to make sense. If I have logo.png in /app/assets/images/logo.png and I do the following, this is what I get:
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How do I clear/delete the current line in terminal?
If I'm using terminal and typing in a line of text for a command, is there a hotkey or any way to clear/delete that line?
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Can I save the window layout in Visual Studio 2010/2012/2013?
Is there a way to save (and later revert to) a given window layout in VS2010/VS2012/2013?
5 Answers
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Tuples( or arrays ) as Dictionary keys in C#
I am trying to make a Dictionary lookup table in C#. I need to resolve a 3-tuple of values to one string. I tried using arrays as keys, but that did not work, and I don't know what else to do. At this point I am considering making a Dictionary of Dictionaries of Dictionaries, but that would proba...
How do I find all of the symlinks in a directory tree?
... of the symlinks within a directory tree for my website. I know that I can use find to do this but I can't figure out how to recursively check the directories.
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__lt__ instead of __cmp__
...erload comparison operators, __cmp__ or the "rich comparison operators" such as __lt__ . The rich comparison overloads are said to be preferred, but why is this so?
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RegEx for Javascript to allow only alphanumeric
I need to find a reg ex that only allows alphanumeric. So far, everyone I try only works if the string is alphanumeric, meaning contains both a letter and a number. I just want one what would allow either and not require both.
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GetProperties() to return all properties for an interface inheritance hierarchy
Assuming the following hypothetical inheritance hierarchy:
6 Answers
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