大约有 47,000 项符合查询结果(耗时:0.0772秒) [XML]

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Why does changing the sum order returns a different result?

... +500 Maybe this question is stupid, but why does simply changing the order of the elements affects the result? It will change the poi...
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How is this fibonacci-function memoized?

... and kept ready in case it is asked for again. If we define some list, xs=[0..] and later ask for its 100th element, xs!!99, the 100th slot in the list gets "fleshed out", holding the number 99 now, ready for next access. That is what that trick, "going-through-a-list", is exploiting. In normal do...
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typecast string to integer - Postgres

...lesced field such as, for example:- SELECT CAST(coalesce(<column>, '0') AS integer) as new_field from <table> where CAST(coalesce(<column>, '0') AS integer) >= 10; share | im...
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What's with 181783497276652981 and 8682522807148012 in Random (Java 7)?

Why were 181783497276652981 and 8682522807148012 chosen in Random.java ? 3 Answers ...
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iTextSharp - Sending in-memory pdf in an email attachment

...CloseStream = false; doc.Close(); // Build email memoryStream.Position = 0; mm.Attachments.Add(new Attachment(memoryStream, "test.pdf")); If my memory serves me correctly, this solved a similar problem in a previous project. See http://forums.asp.net/t/1093198.aspx ...
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Setting Short Value Java

...a method setTableId(Short tableId) . Now when I try to write setTableId(100) it gives compile time error. How can I set the short value without declaring another short variable? ...
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Determine installed PowerShell version

... +50 Use $PSVersionTable.PSVersion to determine the engine version. If the variable does not exist, it is safe to assume the engine is vers...
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CSS: how to position element in lower right?

...x { position:relative; } .bet_time { position:absolute; bottom:0; right:0; } The way this works is that absolutely positioned elements are always positioned with respect to the first relatively positioned parent element, or the window. Because we set the box's position to relative,...
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Ruby replace string with captured regex pattern

... edited Feb 12 '15 at 13:10 Jake Berger 4,67911 gold badge2424 silver badges2121 bronze badges answered ...
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What is the significance of load factor in HashMap?

...ize and load factor . I went through the Java documentation and it says 0.75f is the initial load factor. But I can't find the actual use of it. ...