| /** | |
| * Return the frequency of a substring in a string | |
| * @param {string} string - The string. | |
| * @param {string} string - The substring to count. | |
| * @returns {number} number - The frequency. | |
| * | |
| * @author Drozerah https://gist.github.com/Drozerah/2b8e08d28413d66c3e63d7fce80994ce | |
| * @see https://stackoverflow.com/a/55670859/9370788 | |
| */ | |
| const subStringCounter = (string, subString) => { |
Documentation : firebase.database.Reference
── Query Methods ── firebase.database.Query
orderByChild (key) Order children at location by the value of specified grandchild key.
orderByKey () Order children at location by child keys.
orderByValue () Order children at location by child values.
Vue CLI 3 uses the same vue binary, so it overwrites Vue CLI 2 (vue-cli).
If we still want to use the vue init command when the Vue CLI 3 is installed, we need to install a global package :
npm install -g @vue/cli-init
This package enable vue init command again, @vue/cli-init is an alias to the old vue-cli@2.x.
Usage