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  1. python中的函数int、float、str的用法分别是什么? - 知乎

    1 人赞同了该回答 int就是转换为数字,是整数,比如说 1 float也是转换为数字,但是保留小数点,比如说1.1 str是数字转字符串,比如说4转换为'4'。

  2. What is the purpose of using str [i]-'0' where str is a string?

    The part str[i] - '0' takes the ASCII character of the corresponding digit which are sequentially "0123456789" and subtracts the code for '0' from the current character. This leaves a number …

  3. python - Meaning of a function "-> str" - Stack Overflow

    In your example, you function is expecting ham of type str, and eggs of type str (defaulting to eggs). The final -> str implies that this function, should have a return type of str as well.

  4. 细胞STR鉴定是什么? - 知乎

    2009年起,NIH和ATCC呼吁研究者对细胞进行STR鉴定并着手建立细胞STR数据库。 如今,细胞STR鉴定已是鉴别细胞身份及交叉污染的金标准。 多数权威期刊也要求作者投稿时提供细 …

  5. What is the purpose of __str__ and __repr__? - Stack Overflow

    Called by the str() built-in function and by the print statement to compute the "informal" string representation of an object. Use __str__ if you have a class, and you'll want an …

  6. What is the difference between __str__ and __repr__?

    Sometimes, str() and repr() are called implicitly, meaning they're called on behalf of users: when users use print, even if they don't call str() explicitly, such a call is made on their behalf before …

  7. Explanation of str in ARM assembly - Stack Overflow

    Feb 10, 2016 · Strangely, I cannot find an explanation as to how str works in assembly language. I understand that the following... str r1,[r2] ...will store whatever is in register 1, r1, in the …

  8. How do I convert between String, &str, Vec<u8> and & [u8]?

    A new Rustacean like me struggles with juggling these types: String, &amp;str, Vec&lt;u8&gt;, &amp;[u8]. In time, I hope to have an epiphany and suddenly get why some library calls use …

  9. python - How does str (list) work? - Stack Overflow

    The str() function in python is used to turn a value into a string. The simple answer to what the str() does to a list is that it creates a string representation of the list (square brackets and all).

  10. AttributeError: 'str' object has no attribute 'get'

    Mar 2, 2015 · AttributeError: 'str' object has no attribute 'get' Asked 10 years, 3 months ago Modified 6 years, 6 months ago Viewed 120k times

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