Author Archives: Siddharth Jain

San Diego – 5 day itinerary

Where To Stay: Hotel Republic. It is in the Financial District (downtown), walking distance to the Marina, Amtrak, Aaharn and Karl Strauss Brewing Company. Where to buy tickets: Go City pass or Costco. Transportation: Recommend to take Uber and not … Continue reading

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Decoding the algorithm behind Levels.fyi

I have been quite impressed with Levels.fyi website which shows a mapping of career levels between companies. E.g., what does a level 66 in Microsoft map to in Uber? How does it do it? How would I do it? Let’s … Continue reading

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Roth vs Traditional 401k – final take

This is my final take on Roth vs. Traditional 401k in which I extend the previous model to include two new variables: a different tax rate for money withdrawn from 401k (the expectation is that you will be in a … Continue reading

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Roth vs Traditional 401k – take two

There is a subtle bug in my original post on Roth vs. Traditional 401k. The bug being that in Roth 401k, we pay taxes upfront but we still get to invest full contribution amount that grows tax-free. The bug is … Continue reading

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Traditional vs Roth 401k

Let be amount invested over years. = rate of return. = tax rate. Roth 401k You pay taxes upfront. That reduces to . After years this becomes which you can withdraw tax free. Traditional 401k You don’t pay any taxes … Continue reading

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Understanding Docker Volumes

Docker volumes are a complicated beast. They can be created using the `docker volume create` command or in the docker-compose.yaml file under the volumes section. E.g.: What this does is create persistent storage on the host that 1. does not … Continue reading

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Cryptogen 1.4.3 Bugs

As is common for Fabric, the cryptogen utility (1.4.3) has various bugs as of this writing: The most important bug is that the admincerts folder is empty. see https://jira.hyperledger.org/browse/FAB-16933 The next bug (FAB-16936) is that if you are enabling Node … Continue reading

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