Install the Firebase Node modules:
$ npm install firebase firebase-admin --save
import { useReducer, useEffect } from 'react'; | |
import { useSwipeable, SwipeableHandlers, EventData } from 'react-swipeable'; | |
function previous(length: number, current: number) { | |
return (current - 1 + length) % length; | |
} | |
function next(length: number, current: number) { | |
return (current + 1) % length; | |
} |
/******* Android **********/ | |
// See https://firebase.google.com/docs/reference/android/com/google/firebase/firestore/FirebaseFirestore.html#setLoggingEnabled(boolean) | |
FirebaseFirestore.setLoggingEnabled(true); | |
/******* Server-side Java **********/ | |
/** | |
See https://medium.com/@hiranya911/logging-in-java-libraries-for-firebase-and-google-cloud-platform-f8742493b73f | |
1) Add the slf4j-simple binding to the application classpath | |
2) Set the -Dorg.slf4j.simpleLogger.defaultLogLevel=debug system property | |
**/ |
## Delete a remote branch | |
$ git push origin --delete <branch> # Git version 1.7.0 or newer | |
$ git push origin :<branch> # Git versions older than 1.7.0 | |
## Delete a local branch | |
$ git branch --delete <branch> | |
$ git branch -d <branch> # Shorter version | |
$ git branch -D <branch> # Force delete un-merged branches | |
## Delete a local remote-tracking branch |
# first: | |
lsbom -f -l -s -pf /var/db/receipts/org.nodejs.pkg.bom | while read f; do sudo rm /usr/local/${f}; done | |
sudo rm -rf /usr/local/lib/node /usr/local/lib/node_modules /var/db/receipts/org.nodejs.* | |
# To recap, the best way (I've found) to completely uninstall node + npm is to do the following: | |
# go to /usr/local/lib and delete any node and node_modules | |
cd /usr/local/lib | |
sudo rm -rf node* |
(by @andrestaltz)
If you prefer to watch video tutorials with live-coding, then check out this series I recorded with the same contents as in this article: Egghead.io - Introduction to Reactive Programming.
// Determine if an element is in the visible viewport | |
function isInViewport(element) { | |
var rect = element.getBoundingClientRect(); | |
var html = document.documentElement; | |
return ( | |
rect.top >= 0 && | |
rect.left >= 0 && | |
rect.bottom <= (window.innerHeight || html.clientHeight) && | |
rect.right <= (window.innerWidth || html.clientWidth) | |
); |