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 推薦指數:

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

今天做這個題目的時候(142. O(1) Check Power of 2),遇到一個錯誤“ bad operand types for binary operator '&' ”。 先貼一下代碼: 報錯: 一開始猜到是運算符的問題,但是也排除了。一直 ...

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

運行報錯 : line 5: [: -ge: unary operator expected 錯誤原因: 由於變量rate初始化賦值為空,那么就成了 [ -ge "10"] 了,顯然 [ 和 "10" 不相比較並且缺少了 [ 符號,所以報了這樣的錯誤。 解決辦法 ...

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