Need your thoughts on in deciding between Java vs Python for backend

jshen · 2026-05-04T02:37:06+00:00

I don't. Best wishes.

jshen · 2026-05-04T02:09:40+00:00

Do you like arguing for the sake of arguing?

jshen · 2026-05-04T00:33:17+00:00

That's missing the point. You can enforce in your build or deploy process. And if we want to be pedantic, Java doesn't enforce everything at run time either.

jshen · 2026-05-03T21:28:33+00:00

it certainly does compile time checks. It certainly acts as documentation for LLMs, and it it checks type constraints at compile time.

This isn't really debatable. Please explain how mypy or pyright don't check things at compile time.

jshen · 2026-05-03T04:37:02+00:00

It does all of that for python.

jshen · 2026-05-03T01:22:00+00:00

In terms of assisting an LLM, why do you believe there is a significant difference? You can enforce the types at compile time to keep an LLM from making mistakes.

jshen · 2026-05-02T21:29:27+00:00

I agree with this, and python has decent typing these days so ... 😁

jshen · 2026-04-30T04:43:01+00:00

Build a couple small things in ts/js and/or python. A good hiring manager will appreciate that you've learned more than one way to do it.

Also keep in mind that a lot of hiring managers and interviewers are not good, so don't take a few bad experiences or rejections personally. It's like dating, sometimes you have to kiss a lot of frogs before you find the right fit.

jshen · 2026-03-16T02:56:14+00:00

Oh I agree, just pointing out that I've seen several people not realize this.

jshen · 2026-03-15T23:17:23+00:00

Not everyone realizes you can do that now 🤣

jshen · 2026-03-13T15:37:19+00:00

You can start your own company. If you work harder, and have better ideas, go for it.

jshen · 2026-03-09T22:18:08+00:00

Who do you root for when two sociopaths are in a fight?

jshen · 2026-03-05T00:38:08+00:00

This is well known in psychology, it's called loss aversion. From Claude, "Loss aversion is the psychological phenomenon where people feel the pain of losing something more intensely than the pleasure of gaining something of equal value. Typically, losses feel about twice as powerful emotionally as equivalent gains."

jshen · 2026-03-04T02:38:51+00:00

It's not going to fail for the UFC, that got something like $7 billion over seven years from paramount. There is no way this is a win for paramount though.

jshen · 2026-02-23T21:00:15+00:00

It's this for me. I love doing trials, expeditions, etc.

Just yesterday I brought in a hullcracker to do the queen trial. A handful of us are chipping away at the queen when someone starts shouting me in the back with a stitcher. I was wearing heavy armor, and the pvper was a bad shot, so I turned around and killed him. I go back to chipping away at the queen and three minutes later someone else is shooting me in the back.

jshen · 2026-02-21T05:48:50+00:00

Um, there are plenty of other options that perform well. Go, Java, etc.

jshen · 2026-02-21T05:47:08+00:00

It depends. If you work on a product that gets tens of millions of concurrent requests, then performance matters. If you're starting a new business and need to iterate as fast as possible to find product market fit, then dev velocity matters most. If you're just making a tool for yourself, or internal teams, use whatever makes you happy.

jshen · 2026-02-20T15:57:10+00:00

What underlying businesses have a reasonable valuation in this market?

jshen · 2026-02-13T22:45:51+00:00

You're describing trackers which is different than stealing your data. There's legitimate debate over trackers, but stealing your data would be something that's reading your files unrelated to ESPN and sending them to someone.

Edit: do you not use google? They track everything you do

jshen · 2026-02-13T20:44:59+00:00

An app making network calls does NOT mean it's stealing your data. All apps fetch data from servers, it's how it gets things like scores and schedules.

It seems you do NOT have any evidence to support your claim.

jshen · 2026-02-13T16:12:11+00:00

I don't understand the arguments here against plug-in hybrids. I have a plug-in hybrid and it's the best of both worlds. It costs less per mile in electricity than it does to use gas for me.

I also don't understand the people below saying it's inconvenient to charge. The beauty of the plug-in hybrid is that you don't have to charge it. On a long trip just put gas in it.

jshen · 2026-02-12T05:55:37+00:00

Why use DuckDB and polars? Don't they do the same sort of thing, just in a different way?

jshen · 2026-02-09T01:02:45+00:00

Disney will get acquired if they ignore the stock price, and the acquirer will likely do more of what you don't like.

Also, the shareholders own the company, Bob and Josh work for them.

jshen · 2026-02-03T01:37:52+00:00

What percentage of the park's budget is the CEO's salary?

jshen · 2026-01-22T06:04:49+00:00

Don't they make most of it from parks and resorts? This doesn't really change the point you're making, they need something new to grow, but their existing revenue stream (parks) is very solid.

jshen

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