大约有 44,000 项符合查询结果(耗时:0.0120秒) [XML]

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Split Java String by New Line

...       Any Unicode linebreak sequence, is equivalent to \u000D\u000A|[\u000A\u000B\u000C\u000D\u0085\u2028\u2029] So we can use it to match: \u000D\000A -> \r\n pair \u000A -> line feed (\n) \u000B -> line tabulation (DO NOT confuse with character tabulation \t which i...
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Measure elapsed time in Swift

...rence in nano seconds (UInt64) let timeInterval = Double(nanoTime) / 1_000_000_000 // Technically could overflow for long running tests print("Time to evaluate problem \(problemNumber): \(timeInterval) seconds") return theAnswer } Old answer For Swift 1 and 2, my function uses NSDate:...
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What are the differences between Perl, Python, AWK and sed? [closed]

...ange from a?ⁿaⁿ to a??ⁿaⁿ then run that in Perl 5 with an ⁿ of 1,000,000 it runs in less than two seconds. time perl -E '$x=1_000_000;$_="a"x$x;$m=("a??"x$x).("a"x$x);say $_=~$m' If you run the naive one it takes more than two seconds for an ⁿ of just 25. The thing you have to realize is...
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SASS - use variables across multiple files

...amed _variables.scss in that file i declare variables like so: $black: #000; $white: #fff; then I have the style.scss file in which i import all of my other scss files like this: // Utilities @import "utilities/variables"; // Base Rules @import "base/normalize"; @import "base/global"; then,...
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Convert all first letter to upper case, rest lower for each word

...Thread.CurrentThread.CurrentCulture.TextInfo.ToTitleCase(s.ToLower()); IL_0000: ldstr "THIS IS MY TEXT RIGHT NOW" IL_0005: stloc.0 // s IL_0006: call System.Threading.Thread.get_CurrentThread IL_000B: callvirt System.Threading.Thread.get_CurrentCulture IL_0010: callvirt ...
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What are all the uses of an underscore in Scala?

...ifiers t._2 // Part of a method name, such as tuple getters 1_000_000 // Numeric literal separator (Scala 2.13+) This is also part of this question. share | improve this answe...
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Suppress Scientific Notation in Numpy When Creating Array From Nested List

... #digits wide print(a) #prints [ 0.0000101 22. 12345678. ] However if you pass in a number greater than 8 characters wide, exponential notation is imposed again, like this: np.set_printoptions(suppress=True) a = np.array([1.01e-5, 22, 1.2345678e10]) ...
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Scala best way of turning a Collection into a Map-by-key?

... On my machine for a list with 500,000 elements, this Scala code is about 20 times slower than the straight-forward Java approach (create HashMap with appropriate size, loop over list, put elements into map). For 5,000 elements, Scala ist about 8 times slower....
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log4net hierarchy and logging levels

... TraceLevel(Level.All); //-2147483648 TraceLevel(Level.Verbose); // 10 000 TraceLevel(Level.Finest); // 10 000 TraceLevel(Level.Trace); // 20 000 TraceLevel(Level.Finer); // 20 000 TraceLevel(Level.Debug); // 30 000 TraceLevel(Level.Fine); // 30 000 TraceL...
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How to put more than 1000 values into an Oracle IN clause [duplicate]

Is there any way to get around the Oracle 10g limitation of 1000 items in a static IN clause? I have a comma delimited list of many of IDs that I want to use in an IN clause, Sometimes this list can exceed 1000 items, at which point Oracle throws an error. The query is similar to this... ...