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How to add property to a class dynamically?

... I suppose I should expand this answer, now that I'm older and wiser and know what's going on. Better late than never. You can add a property to a class dynamically. But that's the catch: you have to add it to the class. >>> class Foo(...
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Difference between “module.exports” and “exports” in the CommonJs Module System

...ariables to the same object, they are all the same object; so then exports and module.exports are the same object. But if you set exports to something new, it will no longer be set to module.exports, so exports and module.exports are no longer the same object. ...
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Versioning SQL Server database

....html. I choose not to put schema dumps in under version control as alumb and others suggest because I want an easy way to upgrade my production database. For a web application where I'll have a single production database instance, I use two techniques: Database Upgrade Scripts A sequence databa...
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How do I check if an array includes a value in JavaScript?

What is the most concise and efficient way to find out if a JavaScript array contains a value? 54 Answers ...
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How to convert enum value to int?

... tax.getValue(); } (I've changed the names to be a bit more conventional and readable, btw.) This is assuming you want the value assigned in the constructor. If that's not what you want, you'll need to give us more information. ...
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What does Expression.Quote() do that Expression.Constant() can’t already do?

...e quote operator is an operator which induces closure semantics on its operand. Constants are just values. Quotes and constants have different meanings and therefore have different representations in an expression tree. Having the same representation for two very different things is extremely confu...
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jQuery callback on image load (even when the image is cached)

...hen the event is firing in the cached case, before you even get the event handler bound. To fix this, you can loop through checking and triggering the event based off .complete, like this: $("img").one("load", function() { // do stuff }).each(function() { if(this.complete) { $(this).load(...
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Delaying AngularJS route change until model loaded to prevent flicker

... Gmail) for AngularJS to delay showing a new route until after each model and its data has been fetched using its respective services. ...
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How to add a vertical Separator?

... Works perfectly well in both horizontal and vertical Menu between MenuItems as well. Always nicely stretches to match the height/width of the menu. – natiiix Aug 6 at 18:05 ...
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What is a 'Closure'?

I asked a question about Currying and closures were mentioned. What is a closure? How does it relate to currying? 23 Answer...