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How to get MongoDB statistics for all collections?

Useful script to find out MongoDB collections size and other statistics.

Studio 3T > IntelliShell

var dbs = db.getMongo().getDBNames();

for (adb of dbs) {

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'

Magic words:

psql -U postgres

Some interesting flags (to see all, use -h):

-E: will describe the underlaying queries of the \ commands (cool for learning!)
-l: psql will list all databases and then exit (useful if the user you connect with doesn't has a default database, like at AWS RDS)

apt-get update
apt-get ugrade

apt-get install build-essential

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