大约有 47,000 项符合查询结果(耗时:0.0619秒) [XML]

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Can I set the height of a div based on a percentage-based width? [duplicate]

Let's say I've got a div that has a width of 50% of the body. How do I make its height equal to that value? So that when the browser window is 1000px wide, the div's height and width are both 500px. ...
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Can I simultaneously declare and assign a variable in VBA?

I'm new to VBA and want to know if I can convert the following declaration and assignment into one line: 5 Answers ...
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How do I create directory if it doesn't exist to create a file?

I have a piece of code here that breaks if the directory doesn't exist: 6 Answers 6 ...
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shared_ptr to an array : should it be used?

Just a small query regarding shared_ptr . 2 Answers 2 ...
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Does setting Java objects to null do anything anymore?

I was browsing some old books and found a copy of "Practical Java" by Peter Hagger. In the performance section, there is a recommendation to set object references to null when no longer needed. ...
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Any way to declare a size/partial border to a box?

Any way to declare a size/partial border to a box in CSS? For example a box with 350px that only shows a border-bottom in its firsts 60px . I think that might be very useful. ...
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How do I find the last occurrence of a substring in an NSString?

How would I get the last occurrence of an NSString within another NSString? For example, in "abc def ghi abc def ghi," I want to find the index of the second "abc," not the first. I know I could do this with a bunch of rangeOfStrings, but is there already a function for that? ...
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PHP code to convert a MySQL query to CSV [closed]

What is the most efficient way to convert a MySQL query to CSV in PHP please? 6 Answers ...
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Serializing a list to JSON

I have an object model that looks like this: 6 Answers 6 ...
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Capturing Ctrl-c in ruby

I was passed a long running legacy ruby program, which has numerous occurrences of 5 Answers ...