Postgresql disable sequence scan
To optimize some query, sometime we need to disable sequence scan, run this before query:
Set enable_seqscan = off;
Then do analyze to your query
Set enable_seqscan = off;
Then do analyze to your query
Ports to allow for whatsapp call
These are ports to be opened on your firewall to allow WA video call or voice call: WHATSAPP Call: TCP: 4244,5222,5223,5228,5242 UDP: 3478,45395 Reference: http://kaa.kiev.ua/blog/whatsapp-voice-calls-firewall-ports/ LINE call: TCP: 443 UDP: 2675
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