I just migrated a legacy service from Java 8 to 17 and it was a smooth experience, except for a few. Here are some lessons learnt in the process.

Recently I was debugging into latency problems in a service and figured quite a few GC related issues on the way. This is a summary of the findings.

I happen to download a lot of PDF files. Mostly ACM papers, ebooks, research papers etc. Sometimes they are named properly. But mostly, they are named by some random names with no correlation to the interal contents whatsoever. As such, this is a pain after a few weeks or months when you see the file, and cant remember what it was,and you have to open the file to see the contents.

I am not a contributor to any open source projects yet; however, I have reported a few bugs here and there. Here is a list of those, just for my reference.

In an attempt to learn a bit more scala and some play-framework, I wrote this a bit messy code over the last weekend.

Some years ago I had this weird encounter with hibernate where ids were getting mixed up among 2 different tables, due to last insert id and lazy commit.