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如何理解python中的*args和**kwargs
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args用于表示可变数量的位置参数(Positional Arguments) kwargs 用于表示可变数量的关键字参数(Keyword Arguments)。 *args 来接收不定数量的位置参数 实例: def exampleFunc(*args): print(type(args)) f
SQL Style Guide<转>
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本文转自 https://github.com/mattm/sql-style-guide Mazur's SQL Style Guide Howdy! I'm Matt Mazur and I'm a data analyst who has worked at several startups
SQL 查询不是从 SELECT 开始的<转>
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本文转自:《SQL queries don't start with SELECT》 In a non-image format, the order is: FROM/JOIN and all the ON conditions WHERE GROUP BY HAVING SELECT (incl
命名秘籍:naming-cheatsheet <转>
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Naming cheatsheet English language Naming convention S-I-D Avoid contractions Avoid context duplication Reflect the expected result Naming functions