• call and apply

    In JavaScript, functions are just objects. This means that you can attach functions to them, just as you can with any other object. Some defaults that come along with being a function are .toString(), bind(), call(), and apply(). We’re going to tkae a closer look at two similar, but slightly different methods: call() and apply().

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  • define_method

    There are multiple ways of defining methods in Ruby. The most popular is by using a block, via def and end. One cool thing about Ruby is its metaprogramming (being able to write code that writes code) capabilities. As an example, take a look at this Baby class definition.

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  • box-sizing: border-box

    The box-sizing property is used to tell the browser how to calculate the width and height of an element. By default, this is set to content-box, which may cause some unexpected behavior for someone new to CSS.

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  • JavaScript Closures

    Contrary to popular belief, a closure is not a function. It is a combination of an inner function and its reference to its lexical environment (scope). They allow access to an outer function from an inner function.

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  • Using $apply() and $digest()

    Understanding Angular’s $apply and $digest methods require a bit of background on how the browser renders the DOM. The browser has an event loop that will tell it how to display a page.

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