What 99 phone scans taught me
My Pokémon card scanner looked great on test images. Then I scanned 99 real cards with my phone and found out the real problem was finding the card at all.
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Write-ups on what actually happened when I tested my own projects. Mostly the parts that didn't go to plan.
I built a trading signal app, then proved it was wrong
I built a forex signal scanner, then backtested it honestly. It won 46% of the time when it needed 55.6%. Here's how I found out, and what I kept.
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