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Mongodb – mongo query : How can a direct key-value pair be placed from a nested array in a single stage pipeline and without the use of $unwind?

I have something like this. { "priceDetails": [ { "cities": [ { "cityId": "64a297a8bb1dc440ccef6c3c", "name": "Bhopal", "prices": "1200", "commissionType": "PERCENTAGE", "commissionValue": "20", "_id": "64a2990b344e735476fb54ca" } ] } ] } Need something like this. { "priceDetails": { "cityId": "64a297a8bb1dc440ccef6c3c", "name": "Bhopal",…

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Javascript – Nodemailer won't send emails

I have a bug related to Nodemailer v. 6.9.3. When I launch nodeJS localhost, then this appears: Error: connect ECONNREFUSED 127.0.0.1:465 at TCPConnectWrap.afterConnect [as oncomplete] (node:net:1494:16) { errno: -111, code: 'ESOCKET', syscall: 'connect', address: '127.0.0.1', port: 465, command: 'CONN' }…

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