Programming Archives - Page 7 of 2329

Programming, reactjs

IT Nursery

ReactJS lifecycle method inside a function Component

Instead of writing my components inside a class, I’d like to use the function syntax. How do I override componentDidMount, componentWillMount inside function ...

June 4, 2022
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Programming, visual-studio

IT Nursery

How can I prevent Visual Studio 2013 from closing my IIS Express app when I end debugging?

Previously in 2012, if I debugged in Chrome (for example), and then stopped the debugger, the website would remain running in IIS Express. ...

June 4, 2022
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node.js, Programming

IT Nursery

Error handling with node.js streams

What’s the correct way to handle errors with streams? I already know there’s an ‘error’ event you can listen on, but I want ...

June 4, 2022
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PHP, Programming

IT Nursery

PHP $_SERVER[‘HTTP_HOST’] vs. $_SERVER[‘SERVER_NAME’], am I understanding the man pages correctly?

I did a lot of searching and also read the PHP $_SERVER docs. Do I have this right regarding which to use for ...

June 4, 2022
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Java, Programming

IT Nursery

Java enum – why use toString instead of name

If you look in the enum api at the method name() it says that: Returns the name of this enum constant, exactly as ...

June 4, 2022
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ASP.NET, Programming

IT Nursery

Adding ASP.NET MVC5 Identity Authentication to an existing project

I have seen lots of similar pages on the web, but most of them use a new project instead of an existing one, ...

June 4, 2022
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Programming, r

IT Nursery

What does .SD stand for in data.table in R

.SD looks useful but I do not really know what I am doing with it. What does it stand for? Why is there ...

June 4, 2022
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HTML, Programming

IT Nursery

What is the difference between id and class in CSS, and when should I use them? [duplicate]

This question already has answers here: What’s the difference between an id and a class? (17 answers) Closed 5 years ago. #main { ...

June 4, 2022
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javascript, Programming

IT Nursery

How to set URL query params in Vue with Vue-Router

I am trying to set query params with Vue-router when changing input fields, I don’t want to navigate to some other page but ...

June 4, 2022
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Programming, tmux

IT Nursery

Tmux: How do I find out the currently running version of tmux?

I know that I can run tmux -V to find the version of tmux that is in my PATH, but how can I ...

June 4, 2022
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