原文:bash - ERROR: binary operator expected

What is the operator called I m not sure it has a name. Thebash documentationjust calls it the operator. Is it only used to compare the right side against the left side The right side is considered a ...

2020-11-23 16:33 0 435 推荐指数:

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关于java中的“error: bad operand types for binary operator

今天做这个题目的时候(142. O(1) Check Power of 2),遇到一个错误“ bad operand types for binary operator '&' ”。 先贴一下代码: 报错: 一开始猜到是运算符的问题,但是也排除了。一直 ...

Tue May 29 01:51:00 CST 2018 0 5593
[: -ge: unary operator expected 错误

运行报错 : line 5: [: -ge: unary operator expected 错误原因: 由于变量rate初始化赋值为空,那么就成了 [ -ge "10"] 了,显然 [ 和 "10" 不相比较并且缺少了 [ 符号,所以报了这样的错误。 解决办法 ...

Sun Oct 11 02:25:00 CST 2015 0 2092
 
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