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mongkii

mongkii

V2EX member #268096, joined on 2017-11-19 16:38:36 +08:00
mongkii's recent replies
看着不错,支持一下
Apr 29, 2021
Replied to a topic by panky 创业组队 [搭团队] 一起做一款 App 产品
[email protected]
期待聊聊
Dec 1, 2020
Replied to a topic by psw84 推广 继续开车 NUC 黑果套餐 有福利!
重在参与
Mar 2, 2020
Replied to a topic by Dustyposa Javascript canvas 画线为什么颜色不对
canvas 画线,坐标是线的 [中心点] 的位置

假设线宽 1px。按楼主的坐标,画出来的线 y 轴顶部是 10 - (1 / 2) = 9.5,底部是 10 - (1 / 2) = 10.5,没有对齐像素点。所以会显得模糊,不够黑

```
ctx.moveTo(10, 9.5);
ctx.lineTo(110, 9.5);
```
改成这样线条应该就清晰了
试一试
万一中了呢
@fvckDaybyte2 还好啦。概括起来就是:手表还没有激活心电图的,手表可以升级,手机不要升级;已经激活了心电图的,两个都可以升级
iOS 12.2 只会在第一次激活心电图功能时验证当前所属地区。
也就是说,如果之前已经开启心电图功能,iOS 12.2 或 watchOS 5.2 均不会影响心电图的使用。
同理,通过将港行手表升级到 watchOS 5.2,手机维持在 12.1.4 或以下版本,可以在国内激活港行的心电图功能。

本人 iOS 12.2 + watchOS 5.2,目前心电图正常使用。
@charzluo 已更新,心电图仍可用
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