Rayling Pathar
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Recent Posts
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TLS/SSL Certificate Issuance
Public Key is used to sign into something 1. Get certificate issued from CA Server asks for the public key CA. Servers send a new message which has their own public key, domain name to get a certificate from CA. This entire message is encrypted by using the public key of the CA. CA unlocks…
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CORS – Cross Origin Resource Sharing
The browser has a CORS mechanism which restricts the loading of resources from another domain. CORS defines a way in which a browser and server can interact to determine whether it is safe to allow the cross-origin request The header which controls accesses isAccess-Control-Allow-Origin So if this header is not present, the CORS request fails.…
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Handling Distributed Transactions
Let’s say there is a monolith – it takes help of Order service-> Payment service to create an order and do the payment. There are several steps involved here adding items, creation of order, payment updating of order and payment status.This can be done easily and as an atomic operation in a monolith using Transactions.…
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Happy Diwali CCP
There are several well-kept secrets in the world. For example, the presence of Nuclear bombs before they were dropped on Japan in 1945 ending WWII and thereby paving the way for the US to become a superpower. But in this ever changing world, the center of power shifts with time and emerging powers keep trying…