What are metaclasses in Python?
Reprint from answer of Thomas Wouters in question What are metaclasses in Python? just in case that original answer were …
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Docstrings in Python – Python中的Docstrings
References 3.8 Comments and Docstrings – Google Python Style Guide Documenting Python Code: A Complete Guide Docst …
Hive Questions Summary
Q : Query with transform clause is disallowed in current configuration. 在HiveSQL中使用了 TRANSFORM 函数进行特征转换, 但是执行过程中报错: Erro …
Activate virtual environment in Crontab task
Introduction 工作中遇到一个需求, 需要在后台起一个监督进程(假设进程名为data_process)的脚本, 这个脚本需要在虚拟环境 venv_py36 中执行, 因此写了一个脚本, 每分钟执行一次, 检测进程数量, 如果小于1 …
Loss Functions
Introduction Loss function (or cost function) is widely used for measuring the differences between predicted goal and re …
Workflow in Git
Introduction Workflow in Git, same as development model, are used in developing works based on Git among multi developer …
匹配问题
Introduction 给定二分图G, M为G边集中的一个子集. 如果M满足当中的任意两条边都不依附于同一个顶点, 则称M是一个G的一个匹配。 极大匹配(Maximal Matching)是指在当前已完成的匹配下, 无法再通过增加未完成匹 …