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How do you pass multiple enum values in C#?

...ine the enum, just attribute it with [Flags], set values to powers of two, and it will work this way. Nothing else changes, other than passing multiple values into a function. For example: [Flags] enum DaysOfWeek { Sunday = 1, Monday = 2, Tuesday = 4, Wednesday = 8, Thursday = 16, ...
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Validate that a string is a positive integer

...ng(n) === str && n >= 0; } or if you want to allow whitespace and leading zeros: function isNormalInteger(str) { str = str.trim(); if (!str) { return false; } str = str.replace(/^0+/, "") || "0"; var n = Math.floor(Number(str)); return n !== Infinity &am...
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Break promise chain and call a function based on the step in the chain where it is broken (rejected)

...et's say you have something like the following: stepOne() .then(stepTwo, handleErrorOne) .then(stepThree, handleErrorTwo) .then(null, handleErrorThree); To better understand what's happening, let's pretend this is synchronous code with try/catch blocks: try { try { try { ...
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Deleting queues in RabbitMQ

... about the data in management database; i.e. users, vhosts, messages etc., and neither about other queues, then you can reset via commandline by running the following commands in order: WARNING: In addition to the queues, this will also remove any users and vhosts, you have configured on your Ra...
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What are the obj and bin folders (created by Visual Studio) used for?

I created a new project in Visual Studio 2010 and noticed that there are now two new folders named obj and bin in my project directory. ...
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Is it possible to cache POST methods in HTTP?

With very simple caching semantics: if the parameters are the same (and the URL is the same, of course), then it's a hit. Is that possible? Recommended? ...
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Generate random numbers with a given (numerical) distribution

... You can then use the rvs() method of the distribution object to generate random numbers. As pointed out by Eugene Pakhomov in the comments, you can also pass a p keyword parameter to numpy.random.choice(), e.g. numpy.random.choice(numpy.arange(1, 7), p=[0.1, 0.05, 0.05, 0.2, 0.4, 0.2]) If you a...
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std::function vs template

...ew additions. The most popular is that they are horribly slow. I tested it and they truly suck in comparison with templates. ...
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Difference between std::system_clock and std::steady_clock?

What is the difference between std::system_clock and std::steady_clock ? (An example case that illustrate different results/behaviours would be great). ...
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Should I be using object literals or constructor functions?

...If you want to add behaviour to your object, you can go with a constructor and add methods to the object during construction or give your class a prototype. function MyData(foo, bar) { this.foo = foo; this.bar = bar; this.verify = function () { return this.foo === this.bar; ...