Contents
- 1 How to make an API call in react?
- 2 Why do we use contexts instead of props in react?
- 3 What is camel casing used for in react?
- 4 What are the side effects of using React?
- 5 Is the E event the same as a native event in react?
- 6 When to return error code 500 in REST API?
- 7 How to resolve error 500 on Azure web app?
How to make an API call in react?
How to Fetch/Call an API with React. 1 1. Create a Basic Project Structure. Make a new folder. I named mine react-api-call. Open up your text editor inside of the new folder and navigate 2 2. Add React Component. 3 3. Add API Calls.
Why do we use contexts instead of props in react?
If you’re not yet familiar with React, Hooks, or APIs, or just want a refresher, check out these tutorials: React Contexts build on React’s state management. They provide a way to manage complex, nested state in a simpler and more effective way than using props.
How is the componentdidmount method used in react?
The componentDidMount or useEffect method is called sending off the HTTP request The webpage gives an indication it is loading data The data is received from the external API and added to state (side effect) The component renders with the data that was fetched.
What is camel casing used for in react?
Camel casing is used for event listeners as well (I.e onClick, onHover ). closing tags are different depending on the elements. Below are a few examples.
What are the side effects of using React?
Side effects occur when a function goes outside of its scope or it is affected by something outside of the function body. Making an HTTP request and saving the result to the components state is a side effect. In React, components have methods that are executed during the different phases of the components.
Do you need addEventListener for react events?
React events do not work exactly the same as native events. See the SyntheticEvent reference guide to learn more. When using React, you generally don’t need to call addEventListener to add listeners to a DOM element after it is created. Instead, just provide a listener when the element is initially rendered.
Is the E event the same as a native event in react?
In React, this could instead be: Here, e is a synthetic event. React defines these synthetic events according to the W3C spec, so you don’t need to worry about cross-browser compatibility. React events do not work exactly the same as native events. See the SyntheticEvent reference guide to learn more.
When to return error code 500 in REST API?
We are building a new REST API. I was arguing that error code 500 (Internal Server Error) should never be returned. Now, of course if you know the client’s params are wrong or something you have everything under control and can return some appropriate error code (e.g. 422). So if an unexpected error occurs the server could:
Why is the error code 500 Internal Server Error?
There’s nothing “internal” about the code “500 Internal Server Error” in the sense that it shouldn’t be exposed to the client. The real question is why does it generate a 500 error.
How to resolve error 500 on Azure web app?
How to resolve error 500 on Azure web app? I’m unable to Attach a debugger since they messed up something with the latest versions (tried manually too https://azure.microsoft.com/en-us/blog/introduction-to-remote-debugging-on-azure-web-sites/)