作者 | 彭子玲一句话核心：本文揭示了一个被忽略的行业真相：API 厂商的定价策略利用了客户无法精确计算利用率的认知不对称。“自建更便宜”这个共识成立的前提是利用率>52%，但绝大多数人不知道自己利用率是多少。我帮一家月流水 $50 万的 AI ...

While Excel is ubiquitous, I prefer Python for my data analysis. Spreadsheets are great for formatting data, but it's Python that's allowed me to build my own super calculator out of regular Python ...

A fast pairwise mutual information calculation for Python and C++, optimised for small repeated integer counts such as those seen in single-cell RNA sequencing data. This uses the copula method to ...

In this tutorial, we build a comprehensive, hands-on understanding of DuckDB-Python by working through its features directly in code on Colab. We start with the fundamentals of connection management ...

In this advanced tutorial, we aim to build a multi-agent task automation system using the PrimisAI Nexus framework, which is fully integrated with the OpenAI API. Our primary objective is to ...

There are myriads of JSON libraries out there, and each may even have its reason to exist. Our class had these design goals: Intuitive syntax. In languages such as Python, JSON feels like a ...

大家好，我是乌克兰剑圣。 我们发现历史策略里没有用到boll指标构建的策略，今天发布的专享策略10是基于boll指标、boll极限、极限宽指标构建的。策略有两个版本，第一个版本是对布林策略的魔改，第二个版本是Boll+BB+BBW指标群的组合使用。 计算布林带指标的 ...