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pandas is a fast, powerful, flexible and easy to use open source data analysis and manipulation tool, built on top of the Python programming language. 阅读全文
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NumPy is the fundamental package for scientific computing in Python. NumPy是一个开源的Python科学计算库。 官网:https://numpy.org/ 文档:https://numpy.org/doc/ 初识NumPy 对 阅读全文
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Convert PDF to HTML without losing text or format. 用springboot把pdf2htmlEX命令行工具包装为web服务, 使得PDF转HTML更方便。 pdf2htmlEX命令行工具详情见: https://github.com/pdf2html 阅读全文
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案例参考:廖雪峰——Python教程 基础知识 基本数据类型 用type()来判断数据类型: In [1]: type(1) Out[1]: int In [2]: type(1.0) Out[2]: float In [3]: type('python') Out[3]: str In [4]: 阅读全文
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Netty官网:https://netty.io/ Netty is an asynchronous event-driven network application framework for rapid development of maintainable high performance p 阅读全文
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Apache Flink is a framework and distributed processing engine for stateful computations over unbounded and bounded data streams. Apache Flink是一个分布式、有状 阅读全文