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回答中说到 Redis 会进行回滚？？官方文档上说的是 Redis 是不支持回滚的。如果在事务中的某条命令发生错误，Redis 会继续把剩下的命令都执行完，保证原子性，但是，Redis 的数据不会回到事务执行之前的了。
另外回答中还说到一点，把 DISCARD 看作关系数据库中的 ROLLBACK，似乎也不对吧....... 关系型数据库(MySQL)中事务回滚靠的不是回滚日志么.... 也就是说 INSERT 了一条数据，回滚日志中会有一条 DELETE 命令。但是 DISCARD 是刷新事务队列，退出事务。并不能 ROLLBACK 吧。。。。。。。。。。。。
如果我疑问的部分有什么不对，欢迎大家指正... 冒昧了..
Go中的defer函数使用下面的两种情况下结果是什么 我们看看下面两种defer函数的返回的是什么:
a := 1 defer fmt.Println("the value of a1:",a) a++ defer func() { fmt.Println("the value of a2:",a) }()运行:
the value of a1: 1 the value of a1: 2
这里运行结果是否写错了？ 运行环境 go 1.16 mac
the value of a2: 2
the value of a1: 1
这部分内容是不是可以考虑修正下?我看源码注释是说的使用了跳表和hash表,其编码是使用了压缩链表或跳表
https://github.com/KeKe-Li/data-structures-questions/blob/master/src/chapter05/golang.01.md#Redis%E6%9C%89%E5%BA%8F%E9%9B%86%E5%90%88zset%E5%BA%95%E5%B1%82%E6%80%8E%E4%B9%88%E5%AE%9E%E7%8E%B0%E7%9A%84
参考链接:
https://github.com/redis/redis/blob/unstable/src/t_zset.c#L39 http://redisbook.com/preview/object/sorted_set.html
f2: defer 是在 t 赋值给 r 之后执行的，而 defer 延迟函数只改变了 t 的值，r 不变。正确答案 5。
f3: 这里将 r 作为参数传入了 defer 表达式。故 func (r int) 中的 r 非 func f() (r int) 中的 r，只是参数命名相同而已。正确答案 1。
推测是 f2() 例子不小心贴错？还望得到回复，谢谢。
https://github.com/KeKe-Li/data-structures-questions/blob/master/src/chapter05/golang.01.md
501 line
另一种情况是P所分配的任务G很快就执行完了（分配不均），这就导致了这个处理器P很忙，但是其他的P还有任务，此时如果global runqueue没有任务G了，那么P不得不从其他的P里拿一些G来执行。
"这就导致了这个处理器P很忙"，这里指的是 P 已经将 G 执行完成了，所以是忙还是闲，还望得到您的回复，谢谢
分块式的栈是最初Go语言组织栈的方式。当创建一个goroutine的时候，它会分配一个8KB的内存空间来给goroutine的栈使用。我们可能会考虑当这8KB的栈空间被用完的时候该怎么办?
Go默认stack大小2KB吧,Go 源代码如下：
// The minimum size of stack used by Go code _StackMin = 2048
if newg == nil { newg = malg(_StackMin) casgstatus(newg, _Gidle, _Gdead) allgadd(newg) // publishes with a g->status of Gdead so GC scanner doesn't look at uninitialized stack. }
作者大大你好，请问您在网络问题的第 3 题中关于 TIME-WAIT 含义的描述替换为以下描述是否更加无异议？
原：客户端收到服务端的FIN包，并立即发出ACK包做最后的确认，在此之后的2MSL时间称为TIME_WAIT状态。
现：主动请求关闭连接的那一端收到被动关闭连接的另一端发送来的FIN包，并立即发出ACK包做最后的确认，在此之后的 2 MSL 时间称为 TIME-WAIT 状态。
Simplest sort Showcases the simplest sorting algorithm that works in quadratic time. From here. The pseudocode for this algo can be seen below (sorts
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