DavidWells

exports.handler = (event, context, callback) => {
   const response = {
    statusCode: 301,
    headers: {
      Location: 'https://google.com',
    }
  };

  return callback(null, response);
}

kirillshevch

How to disable page caching with create-react-app

If you currently not using a service worker resulting in old production caches being used and users not getting new versions of the app.

src/index.js

Use:

import { unregister as unregisterServiceWorker } from './registerServiceWorker'

tmilos

Modified Preorder Tree Traversal

Hierarchical data metrics that allows fast read operations on tree like structures.

Based on Left and Right fields that are set during tree traversal. When entered into node value is set to it's Left, when exiting node value is set to it's Right.

Sample implementation