Brazilian-Sigma

Just saw a Bloomberg Terminal post, I have been ignorant of finance in my CS career so far. Any resources to learn computer finance, Bloomberg, and all the hype around it in finance scene?

My background:

CS rising junior, indecisive about choosing a sub field.

I want to pursue CS research before I graduate for its own sake and partly to compensate for my lackluster GPA for grad school. But each field seems to have a pet peeve:

1) AI/machine learning: too saturated, fear of an AI winter

2) Networks/security: boring, reading a research paper seems torturous

3) Bioinformatic/quantum computing: may never find their place in real world and die out

Etc.

It continues to amaze me how some people know exactly what they want to do in their freshman year or even earlier. My question is: what motivated you to pursue what you're doing right now and at what stage in your academic career?

As with many, I lost my internship because of COVID and since then have no success with finding another one, partly because vast majority of companies have no open positions for interns. If you know any company, please share. I'm sure many people would benefit from this.

I spent 100+ hours developing a system that performs fairly simple functionality: capture screen/connected webcams on motion detection, add overlays, and save it as .mp4. The system grew up to be a mess, so I rewrote it from scratch again spending 60+ hours, this time with functionality to capture sources in parallel. It uses Windows Media Foundation API, written in 7000 lines of C++ code.

The thing is, it doesn't work and has nasty bugs on slower systems, it crashes once in a while, sometimes has audio/video synchronization issues, etc. - the bugs are mostly very hard to reproduce. Prior to this, I considered myself to be a good programmer but it has almost made me reevaluate my decision whether I should pursue programming anymore (I'm a CS student), not to mention the toll it took on my self-worth and mental health.

The question is, what's the reason after spending so much time, the end result is mostly unusable: quirkiness of Windows API, C++, or just my incompetence as a programmer? Or is multimedia programming by nature tricky?

P.S. Please ignore my username and new account as I'm too embarrassed to ask from my real account that gives away my identity.