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C++, Programming

IT Nursery

Why is ‘this’ a pointer and not a reference?

I was reading the answers to this question C++ pros and cons and got this doubt while reading the comments. programmers frequently find ...

June 1, 2022
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javascript, Programming

IT Nursery

React: “this” is undefined inside a component function

class PlayerControls extends React.Component { constructor(props) { super(props) this.state = { loopActive: false, shuffleActive: false, } } render() { var shuffleClassName = this.state.toggleActive ...

May 30, 2022
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jquery, Programming

IT Nursery

How can I exclude $(this) from a jQuery selector?

I have something like this: <div class="content"> <a href="#">A</a> </div> <div class="content"> <a href="#">B</a> </div> <div class="content"> <a href="#">C</a> </div> When one of ...

May 27, 2022
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How do I pass the this context to a function?

I thought this would be something I could easily google, but maybe I’m not asking the right question… How do I set whatever ...

May 24, 2022
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When do you use the “this” keyword? [closed]

As it currently stands, this question is not a good fit for our Q&A format. We expect answers to be supported by facts, ...

May 22, 2022
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When to call activity context OR application context?

There has been a lot of posting about what these two contexts are.. But I’m still not getting it quite right As I ...

May 19, 2022
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Pass correct “this” context to setTimeout callback?

How do I pass context into setTimeout? I want to call this.tip.destroy() if this.options.destroyOnHide after 1000 ms. How can I do that? if ...

May 17, 2022
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When should I use “this” in a class?

I know that this refers to a current object. But I do not know when I really need to use it. For example, ...

May 14, 2022
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Use of “this” keyword in formal parameters for static methods in C#

I’ve come across several instances of C# code like the following: public static int Foo(this MyClass arg) I haven’t been able to find ...

May 14, 2022
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What does ‘var that = this;’ mean in JavaScript?

In a JavaScript file I saw: function Somefunction(){ var that = this; ... } What is the purpose of declaring that and assigning ...

May 9, 2022
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