大约有 47,000 项符合查询结果(耗时:0.0796秒) [XML]

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How to elegantly check if a number is within a range?

... There are a lot of options: int x = 30; if (Enumerable.Range(1,100).Contains(x)) //true if (x >= 1 && x <= 100) //true Also, check out this SO post for regex options. ...
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How to debug Apache mod_rewrite

... | edited Jul 8 '19 at 16:09 SherylHohman 10.7k1414 gold badges6161 silver badges7272 bronze badges answ...
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CSS – why doesn’t percentage height work? [duplicate]

... width of a block element is independent of its content and saying width: 50% yields a well defined number of pixels. However, the height of a block element depends on its content unless you specify a specific height. So there is feedback between the parent and child where height is concerned and s...
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Mapping many-to-many association table with extra column(s)

... | edited Nov 3 '15 at 12:05 Niks 4,51244 gold badges2929 silver badges4848 bronze badges answered Feb 2...
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Creating a range of dates in Python

...ith today, and going back an arbitrary number of days, say, in my example 100 days. Is there a better way to do it than this? ...
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Equivalent of “throw” in R

... answered Oct 22 '09 at 15:48 Dirk EddelbuettelDirk Eddelbuettel 318k4848 gold badges574574 silver badges653653 bronze badges ...
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Is there a Unix utility to prepend timestamps to stdin?

...using awk: <command> | awk '{ print strftime("%Y-%m-%d %H:%M:%S"), $0; fflush(); }' You may need to make sure that <command> produces line buffered output, i.e. it flushes its output stream after each line; the timestamp awk adds will be the time that the end of the line appeared on i...
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How to delete and replace last line in the terminal using bash?

... echo a carriage return with \r seq 1 1000000 | while read i; do echo -en "\r$i"; done from man echo: -n do not output the trailing newline -e enable interpretation of backslash escapes \r carriage return ...
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A variable modified inside a while loop is not remembered

... answered May 31 '13 at 9:40 P.PP.P 84.8k1414 gold badges129129 silver badges180180 bronze badges ...
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How do you run a SQL Server query from PowerShell?

... TylerH 18.1k1212 gold badges6161 silver badges8080 bronze badges answered Sep 21 '13 at 17:35 Chris MagnusonChris Magnuson 4,...