How to call async throwing functions 如何调用异步 throwing 函数
Just like their synchronous counterparts, Swift’s async functions can be throwing or non-throwing depending on how you want them to behave. However, there is a twist: although we ...
ROOM Database
Room Database 是 Android 官方提供的本地数据库框架,是 Jetpack 架构组件的一部分,用于在应用中以安全、简洁、高效的方式存储本地数据。它在 SQLite 之上提供了更高层的抽象,让开发者更容易...
Windows 安装 Dify
软硬件要求硬件: CPU >= 2Core ; RAM >= 4GiB软件: 操作系统 Windows with WSL 2 enabled; Docker DesktopWSL 2 仅在 Windows 11 或 Windows 10 版本 1903、内部版本 18362 或更高版本中...
Day 20 – 贪吃蛇(上)
设置游戏屏幕 from turtle import Screen screen = Screen() # 设置屏幕大小 screen.setup(width=600, height=600) # 设置背景颜色 screen.bgcolor('black') # 设置标题 screen.title('贪吃蛇')...
How to make parts of an actor nonisolated 如何使 actor 的各个部分非隔离
All methods and mutable properties inside an actor are isolated to that actor by default, which means they cannot be accessed directly from code that’s external to the actor. Acce...
Who decides which actor code runs on? 谁决定在哪个 actor 代码上运行?
One common confusion with actors comes in deciding exactly where code runs, because just adding @MainActor and hoping for the best is rarely good enough.与 Actor 的一个常...
OpenCV 图像二值化
图像二值化的目的是简化图像的处理难度,基本原理是以图像的某个阈值为分界线,小于阈值的为0,大于阈值的设置为某个特定值。 OpenCV 提供以下的方法进行二值化处理threshold(src, thresh, MaxV...
Emby 套件设置 HTTP 网络代理
文件位置 /var/packages/EmbyServer/scripts/start-stop-status。 start-stop-status 文件 代码内容,如下 case '$1' in start) if [ -f $PID_FILE ] && kill -0 '$(cat $PID_FILE)'; t...










