12 2025 档案

jsonp 入门简洁
摘要：前提准备 查询当前机器的公网ip，一个简单命令就可搞定 curl ipinfo.io 返回结果如下 { "ip": "58.247.218.68", "city": "Shanghai", "region": "Shanghai", "country": "CN", "loc": "31.2222, 阅读全文
posted @ 2025-12-28 20:56 沧海一声笑rush 阅读(4) 评论(0) 推荐(0)
go协程笔试题
摘要：求 y=(x+1)x2 两个协程分别算 var wg sync.WaitGroup func F1(down chan int) { defer wg.Done() for i := range 5 { down <- (i + 1) } close(down) } func F2(up, down 阅读全文
posted @ 2025-12-05 04:18 沧海一声笑rush 阅读(14) 评论(0) 推荐(0)