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Other 2021-09-29 04:42:02
How to get the date and time when uploading image to firebase?
You can use ServerValue.TIMESTAMP provided by the Firebase database server and store it in a new timestamp field in your database along with the url and description fields for each image. The Firebase servers write the current timestamp in UTC millisecond... Add solution -
Shell/Bash 2021-09-28 01:38:02
create table postgres
-- Example table CREATE TABLE accounts ( user_id serial PRIMARY KEY, username VARCHAR ( 50 ) UNIQUE NOT NULL, password VARCHAR ( 50 ) NOT NULL, email VARCHAR ( 255 ) UNIQUE NOT NULL, created_on TIMESTAMP NOT NULL, last_login TIMESTAMP ); Add solution -
SQL 2021-09-27 14:00:05
datetrunc
SELECT DATE_TRUNC('hour', TIMESTAMP '2017-03-17 02:09:30'); Add solution -
Other 2021-09-26 19:32:06
joining multiple documents in cloud firestore
let loadedPosts = {}; posts = db.collection('posts') .orderBy('timestamp', 'desc') .limit(3); posts.get() .then((docSnaps) => { docSnaps.forEach((doc) => { loadedPosts[doc.id] = doc.data(); db.collection('users').child(... Add solution