大约有 48,000 项符合查询结果(耗时:0.0451秒) [XML]

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Array include any value from another array?

....include?(food) } => true Benchmark script: require "benchmark" N = 1_000_000 puts "ruby version: #{RUBY_VERSION}" CHEESES = %w(chedder stilton brie mozzarella feta haloumi).freeze FOODS = %w(pizza feta foods bread biscuits yoghurt bacon).freeze Benchmark.bm(15) do |b| b.report("&, emp...
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How to make Eclipse behave well in the Windows 7 taskbar?

...ecify the latest available Java VM in your eclipse.ini. I.e.: -vm jdk1.6.0_10\jre\bin\client\jvm.dll Make sure they are on separate lines Anything after the "vmargs" is taken to be vm arguments (More info) Or alternatively add the java bin folder to your Windows PATH before the "windows32" fo...
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How do I count the number of occurrences of a char in a String?

...n Android, where there is no StringUtils class – Jose_GD Nov 6 '12 at 13:12 43 ...
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Java Keytool error after importing certificate , “keytool error: java.io.FileNotFoundException & Acc

... users, a simple sudo will fix this issue. – truthful_ness May 26 '14 at 17:14 15 running as admi...
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Number of processors/cores in command line

... The most simplest tool comes with glibc and is called getconf: $ getconf _NPROCESSORS_ONLN 4 share | improve this answer | follow | ...
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What is path of JDK on Mac ? [duplicate]

Im using Mac only at work and I need to set JAVA_HOME to proper path of JDK. I downloaded JDK, installed it and now I can't find it anywhere. I was looking at the internet for the solution, but there is no folder Libraries/Java. ...
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How to handle dependency injection in a WPF/MVVM application

...needed: public static class IocKernel { private static StandardKernel _kernel; public static T Get<T>() { return _kernel.Get<T>(); } public static void Initialize(params INinjectModule[] modules) { if (_kernel == null) { _ker...
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List directory in Go

...il.ReadDir("./") if err != nil { log.Fatal(err) } for _, f := range files { fmt.Println(f.Name()) } } share | improve this answer | foll...
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How do you get a Golang program to print the line number of the error it just called?

... // the error happened, 0 = this function, we don't want that. _, fn, line, _ := runtime.Caller(1) log.Printf("[error] %s:%d %v", fn, line, err) b = true } return } //this logs the function name as well. func FancyHandleError(err error) (b bool) { if err != n...
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Email address validation using ASP.NET MVC data type attributes

...Expression Attribute, something like this: [RegularExpression("^[a-zA-Z0-9_\\.-]+@([a-zA-Z0-9-]+\\.)+[a-zA-Z]{2,6}$", ErrorMessage = "E-mail is not valid")] And don't delete [Required] because [RegularExpression] doesn't affect empty fields. ...