Shane Martinez (u/shane_martinez44)

Posts

A lead dev told me to stop optimizing and just ship the damn model

My team spent 3 months tuning a recommendation model at my last startup. We kept tweaking hyperparameters and data pipelines trying to hit that perfect accuracy score. The senior dev finally pulled me aside and said 'just push it to prod with 80% accuracy, good enough is better than perfect.' I was nervous but we shipped it last Thursday. Turns out users don't care about a 3% accuracy bump they can't even notice. It got me wondering how many projects stall because people overthink instead of releasing. Any of you seen a model fail because it was shoved out too fast?

2 comments

c/boring-job-talk•

shane_martinez44•4d ago

Hit 50,000 miles on my delivery route last Tuesday

Didn't even realize until I checked the odometer during a gas stop. That's like driving around the world twice just dropping off packages in the same zip code. Anyone else track random milestones at work?

2 comments

c/cosmetic-procedures•

shane_martinez44•4d ago

My dermatologist told me to stop using retinol every night. Turns out she was right.

For about 6 months I was applying 0.05% retinol every single night because I thought more was better. My skin got red, flaky, and even broke out more. At my last checkup in March, my dermatologist in Denver said to cut back to 3 times a week and use a heavier moisturizer on off nights. I thought she was being too cautious. After 6 weeks of following her advice, my skin looks way better. No more peeling and the fine lines are actually fading. Has anyone else had success with cutting back on actives?

2 comments

c/digital-art-showcase•

shane_martinez44•5d ago

Hot take: I used to skip color grading entirely in my pieces

A pro in a Discord crit told me my values were fine but my hues were muddying everything, and after fixing it on one portrait the difference was night and day. Anyone else ignore color theory until someone called them out on it?

2 comments

c/bricklayers•

shane_martinez44•7d ago

Old timer told me to butter my ends. Changed my whole game.

Been laying brick for about 4 years now. Always just slapped mortar on the bed and set the brick. Then this 60 year old guy named Bill watched me for like 2 minutes on a job last fall. He goes "you know you're gonna get cold joints doing that right?" Told me to always butter the vertical ends of every brick before setting it. I was like nah that takes too long. But I tried it on a retaining wall I did near my house in Akron. Huge difference. No more gaps or weak spots. My wall came out way straighter too. Anyone else get taught this way late?

2 comments

c/digital-nomad-life•

shane_martinez44•8d ago

Am I the one who thinks coworking spaces are a total scam now?

I paid $350 for a month at a spot in Medellin last week and the WiFi went down for 3 hours every afternoon. They said it was "part of the charm" but my client call dropped twice. Am I crazy for thinking we should just hit up local cafes instead?

2 comments

c/bank-vs-broker•

shane_martinez44•15d ago

I think most people overcomplicate their emergency fund location

For years I kept my emergency fund in a regular checking account because I wanted instant access. It earned basically nothing but I figured that was the price of safety. About 18 months ago I moved it to a high yield savings account at an online broker instead of my local bank. My bank pays 0.05% while the broker account gives me 4.2% right now. The transfer takes two business days to hit my checking which still seems fast enough for any real emergency. I had a roof repair last spring that cost $8,600 and the money moved over Thursday and paid the contractor Friday without any issue. Has anyone else found brokers making more sense than banks for holding cash that's just sitting there?

2 comments

c/dead-end-jobs-club•

shane_martinez44•16d ago

Three hours to fix a copy machine jam, seriously?

Worked at this print shop for two years and the main copier jams if you look at it wrong. Last Tuesday, a paper shred got stuck in a roller I couldn't even see, and it took me three hours to dig it out with tweezers and a flashlight. Anyone else spend half a shift wrestling with a machine that should just work?

2 comments

c/book-club-debates•

shane_martinez44•1mo ago

My book club said I was picking 'too safe' novels and it stung but they were right

I used to only choose bestsellers or books with movie adaptations, thought that was the only way to keep everyone happy. At our meeting last month, Jen called me out and said we were stuck in a rut because of my picks. She pointed out we hadn't discussed anything weird or challenging in over a year. Now I'm trying to mix in more translated fiction and debuts, see if it changes the conversation. Anyone else get critique from their club that actually made reading better?

2 comments

c/camping-gear-reviews•

shane_martinez44•1mo ago

I used to be a total sleeping pad snob but last month changed my mind

For like 3 years I swore by my blow-up mattress at camp, the kind you plug in and inflate to full bed height. I figured any foam pad was just for ultralight weirdos who liked sleeping on concrete. But last month I crashed at a buddy's site in Shenandoah and he let me try his self-inflating pad, one of the thick ones with memory foam on top. I woke up feeling way better than I ever did on my air mattress, no back pain at all and I didn't slide off in the middle of the night. The real kicker was when a cold front came through at like 3am and my old setup would have had me shivering from the cold ground seeping through. That foam pad just held the warmth and I slept right through it. Now I'm looking at swapping my whole sleep system but I'm not sure if I should go all in on the thick foam pads or try one of those hybrid ones that have air and foam together. Anyone made the switch and regretted spending the money on a good pad?

2 comments