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Case Sensitive Check 1. Return names contain upper case Select id, name from A where name<>lower(name) collate SQL_Latin1_General_CP1_CS_AS 2. Return 阅读全文
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1.in js add id to html element and delete it var elem = document.getElementById("zzz");if (elem!=null) elem.parentElement.removeChild(elem); .attr({ i 阅读全文
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generate datetime format =YEAR(C2) & "-" & RIGHT("0" & MONTH(C2),2) & "-" & RIGHT("0" & DAY(C2),2) & " " & HOUR(C2) & ":" & RIGHT("0" & MINUTE(C2),2) 阅读全文
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tbc 阅读全文
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Add CSS 1. External CSS <head> <link rel="stylesheet" type="text/css" href="mystyle.css"> </head> 2. Internal CSS <style> .zz{ font-size:20px; } </sty 阅读全文
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1. 为什么会有/怎么解决: async/await的无限嵌套 第一次遇到async/await是在做一个智能家居的网络控制程序上，为了不阻塞UI，老同事说把其中有的方法改成了async，让后端修改数据库的逻辑异步执行，返回操作结果之后再刷新UI，可是发现把一个函数标记成async之后，你就必须在这 阅读全文
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Given an array of integers, every element appears three times except for one. Find that single one. solution: def singleNumber(self,A): A.sort() for i 阅读全文
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Given an array of integers, every element appears twice except for one. Find that single one. solution: class solution: def singleNumber(self,A): A.so 阅读全文
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题目输入输出 "this is a sentence" => [t, h, i, s, i, s, a, s, e, n, t, e, n, c, e]"thiis iss a senntencee" => [i, s, n, e]"thiisss iss a senntttenceee" => [ 阅读全文