An opinionated list of Python frameworks, libraries, tools, and resources
You asked Claude to build a feature. It worked. You shipped it. Six weeks later, you're adding something related, and nothing makes sense anymore. The code is technically correct but completely opaque. You can't remember why anything was structured this way. Claude can't figure it out either — it starts guessing, and the guesses start breaking things. This is the scenario I keep seeing. And it's n
Most trading fee calculators show you two numbers: the dollar amount and the percentage of notional. Both are correct. Neither is useful. Here's the problem. Say you're trading Bitcoin perpetuals on Bybit. Taker fee is 0.055% each side. You buy $10,000 notional. Entry fee: $5.50 Exit fee: $5.50 Round trip: $11.00 Does that matter? Impossible to say without knowing one more number: how much are you