大约有 47,000 项符合查询结果(耗时:0.0775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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Python CSV error: line contains NULL byte

... 104 As @S.Lott says, you should be opening your files in 'rb' mode, not 'rU' mode. However that may...
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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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Checking if object is empty, works with ng-show but not from controller?

.... thanks. – Martin Jul 27 '13 at 13:09 @YeLiu if you want to make an item in items null, you wont be allowed to make t...
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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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Which is fastest? SELECT SQL_CALC_FOUND_ROWS FROM `table`, or SELECT COUNT(*)

...to say that SQL_CALC_FOUND_ROWS is almost always slower - sometimes up to 10x slower - than running two queries. share | improve this answer | follow | ...
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How to implement Enums in Ruby?

... | edited Jun 20 '12 at 15:44 Andrew Marshall 87.3k1818 gold badges202202 silver badges204204 bronze badges ...
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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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Is it possible to get all arguments of a function as single object inside that function?

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Finding the max/min value in an array of primitives using Java

... answered Sep 28 '09 at 8:43 Michael RutherfurdMichael Rutherfurd 12.2k44 gold badges2424 silver badges4040 bronze badges ...