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Cheat-Sheet

MongoDB Cheat-sheet

MongoDB Cheat-sheet

Create Database use blog db.createCollection("posts") Connection string for replica set mongodb://db1.server.com:port,db2.server.com:port,arbiter.server.com:port/MyDataBaseName?replicaSet=MyReplicaSetName Connection string for an authenficated replica set mongodb://myusername:mypassw0rd@db1.server.com:port,db2.server.com:port,arbiter.server.com:port/

Node.JS Cheat-sheet

Node.JS Cheat-sheet

Encode String to Base64 console.log(Buffer.from('This message will be encoded to base64', 'utf8').toString('base64')); Decode String from Base64 console.log(Buffer.from('VGhpcyBtZXNzYWdlIHdpbGwgYmUgZW5jb2RlZCB0byBiYXNlNjQ=', 'base64').toString('utf8')); Generate random UUID from console (oneliner) console.log(require('crypto').randomUUID()); Replace all ocurrences of a string (Method 1)