Category: Short Writeups
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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…
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Fighting without Weapons— Chinese Psychological Warfare On India
China has 21,83,000 active military personnel and a mammoth budget of $261 billion compared to India’s 14,44,000 and $71 billion respectively. And yet China is unlikely to use it’s military. Why? Because they know India’s response will leave them in no state of having another war ever and ultimately it will be a loss for…