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Generate 'n' unique random numbers within a range [duplicate]

...g a smaller range than will fit in n. It will loop forever, unable to find new numbers to insert up to n share | improve this answer | follow | ...
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how to permit an array with strong parameters

... said apply for Rails v4+ is actually a syntax available in Ruby 1.9 & newer, not the Rails framework (although Rails 4 requires Ruby 1.9.3 or newer) – MegaTux May 28 '19 at 17:39 ...
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How to import JsonConvert in C# application?

... JsonConvert is from the namespace Newtonsoft.Json, not System.ServiceModel.Web Use NuGet to download the package "Project" -> "Manage NuGet packages" -> "Search for "newtonsoft json". -> click "install". ...
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Mongoose subdocuments vs nested schema

...es some more resources for tracking subdocs. Alternate declaration syntax New in v3 If you don't need access to the sub-document schema instance, you may also declare sub-docs by simply passing an object literal [...] shar...
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Getting the max value of an enum

...oid Main(string[] args) { MyEnum x = GetMaxValue<MyEnum>(); //In newer versions of C# (7.3+) MyEnum y = GetMaxValueOld<MyEnum>(); } public static TEnum GetMaxValue<TEnum>() where TEnum : Enum { return Enum.GetValues(typeof(TEnum)).Cast<TEnum>().Max(); } //W...
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What is the default initialization of an array in Java?

...so zeroed. So your array contains five zeros right after it is created by new. Note (based on comments): The Java Virtual Machine is not required to zero out the underlying memory when allocating local variables (this allows efficient stack operations if needed) so to avoid random values the Java...
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String formatting: % vs. .format vs. string literal

... The point is: The one recurring argument that the new syntax allows reordering of items is a moot point: You can do the same with the old syntax. Most people do not know that this is actually already defined in the Ansi C99 Std! Check out a recent copy of man sprintf and lea...
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How do I configure IIS for URL Rewriting an AngularJS application in HTML5 mode?

... templateUrl: "Base/Home", controller: "controllerHome" }) .when("/New", { templateUrl: "Base/New", controller: "controllerNew" }) .when("/Show/:title", { templateUrl: "Base/Show", controller: "controllerShow" }) It makes sense to redirect URL to client only when it start w...
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Should I instantiate instance variables on declaration or in the constructor?

...ck, which is as well put in the constructor(s) by the compiler: { a = new A(); } Check Sun's explanation and advice From this tutorial: Field declarations, however, are not part of any method, so they cannot be executed as statements are. Instead, the Java compiler generates instance-f...
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Printing object properties in Powershell

When working in the interactive console if I define a new object and assign some property values to it like this: 7 Answers...