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A little signal. Less noise.

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More possibility. Less searching.

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Python的默认参数把我坑惨了,原来写[]和写None的区别这么大

掘金

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小张花了整整一个下午,就为了找一个bug。他写了一个函数,用来给用户添加标签。逻辑很简单:传入用户ID和标签,把标签追加到用户的标签列表里。代码大概长这样: 他预期的输出是: 实际输出是: 小张盯着

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Provider: 掘金
Source: juejin-rss
Score: 57.35
Confidence: 54%

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What RADAR observed and classified to build this opportunity. It is what the source published, not a verification that the offer is still active.

JuejinObserved: Sep 28, 2026Source reliability: 60%
Python的默认参数把我坑惨了,原来写[]和写None的区别这么大. 小张花了整整一个下午,就为了找一个bug。他写了一个函数,用来给用户添加标签。逻辑很简单:传入用户ID和标签,把标签追加到用户的标签列表里。代码大概长这样: 他预期的输出是: 实际输出是: 小张盯着
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Python的默认参数把我坑惨了,原来写[]和写None的区别这么大

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