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As of August 2026, there are over 5,700 problems on Cody. Given that large quantity, and how long the site has been around, you might think that every good type of problem has been created. While there are far too many copies of simplistic problems, like adding two integers together, I recently stumbled across problems created by @minnolina. Today I finished all of the problems that this user has posted and I can recommend them as well done and worth your time.
Whether or not you have solved any problems on Cody, right now is as good a time as any to sharpen your coding skills, and the problems created by minnolina provide a very good sampling of quality Cody problems.
Hi to all.
I'm trying to learn a bit about trading with cryptovalues. At the moment I'm using Freqtrade (in dry-run mode of course) for automatic trading. The tool is written in python and it allows to create custom strategies in python classes and then run them.
I've written some strategy just to learn how to do, but now I'd like to create some interesting algorithm. I've a matlab license, and I'd like to know what are suggested tollboxes for following work:
- Create a criptocurrency strategy algorythm (for buying and selling some crypto like BTC, ETH etc).
- Backtesting the strategy with historical data (I've a bunch of json files with different timeframes, downloaded with freqtrade from binance).
- Optimize the strategy given some parameters (they can be numeric, like ROI, some kind of enumeration, like "selltype" and so on).
- Convert the strategy algorithm in python, so I can use it with Freqtrade without worrying of manually copying formulas and parameters that's error prone.
- I'd like to write both classic algorithm and some deep neural one, that try to find best strategy with little neural network (they should run on my pc with 32gb of ram and a 3080RTX if it can be gpu accelerated).
What do you suggest?
