大约有 40,740 项符合查询结果(耗时:0.0481秒) [XML]

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Stopping fixed position scrolling at a certain point?

I have an element that is position:fixed and so scrolls with the page how i want it to however. when the user scrolls up I want the element to stop scrolling at a certain point, say when it is 250px from the top of the page, is this possible? Any help or advice would be helpful thanks! ...
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Git diff to show only lines that have been modified

When I do a git diff, it shows lines that have been added: 7 Answers 7 ...
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What is the list of possible values for navigator.platform as of today? [closed]

I know that this changes quite often, but is there a list as exhaustive as possible out there of the possible values returned by navigator.platform ? ...
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How do I invoke a Java method when given the method name as a string?

If I have two variables: 21 Answers 21 ...
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How to check if an email address exists without sending an email?

I have come across this PHP code to check email address using SMTP without sending an email . 14 Answers ...
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How do I scale a stubborn SVG embedded with the tag?

I have some SVG files that specifies width and height as well as viewbox like this: 9 Answers ...
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High performance fuzzy string comparison in Python, use Levenshtein or difflib [closed]

I am doing clinical message normalization (spell check) in which I check each given word against 900,000 word medical dictionary. I am more concern about the time complexity/performance. ...
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How to elegantly check if a number is within a range?

How can I do this elegantly with C# and .NET 3.5/4? 27 Answers 27 ...
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Best way to merge two maps and sum the values of same key?

I want to merge them, and sum the values of same keys. So the result will be: 15 Answers ...
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Handling warning for possible multiple enumeration of IEnumerable

In my code in need to use an IEnumerable<> several times thus get the Resharper error of "Possible multiple enumeration of IEnumerable ". ...