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What’s the difference between await and async let? await 和 async let 有什么区别？
Swift lets us perform async operations using both await and async let, but although they both run some async code they don’t quite run the same: await wai...
How to manipulate an AsyncSequence using map(), filter(), and more 如何使用 map()、filter() 等作 AsyncSequence
AsyncSequence has implementations of many of the same methods that come with Sequence, but how they operate varies: some return a single value that fulfills you...
How to make async command-line tools and scripts 如何制作异步命令行工具和脚本
If you’re writing a command-line tool with Swift, you can use async code in two ways: if you're using main.swift you can immediately make and use async functions as norm...
What’s the difference between actors, classes, and structs? Actors、Classes和 Structs 之间有什么区别？
Swift provides four concrete nominal types for defining custom objects: actors, classes, structs, and enums. Each of these works a little differently from the others, but the first...
How to force concurrent tests to run on a specific actor 如何强制并发测试在特定actor上运行
Swift Testing and XCTest behave differently when it comes to running tests in parallel: unless you say otherwise, Swift Testing will run both synchronous and asynchronous tests on ...
AI 工具
代码生成 通义灵码与代码小浣熊 VSCode 安装 tongyilingma 扩展 VSCode 安装 Raccoon 扩展 PyCharm 安装相同的插件即可 Github copilot VSCode 安装 Github copilot 扩展 PyCharm 安装相同的插...
普通报销单表头
普通报销单表头添加经费来源，最终的效果如下图所示 普通报销单表头添加经费来源 录入页面 当选择经费来源字段时，表头后添加 [经费来源值]。 打开 webmain/flow/input/inputjs/mode_putong.js ...
Collection 集合
Kotlin 的 Collections（集合）分为不可变集合和可变集合。不可变集合是只读集合，元素在创建之后不能被修改，常见的不可变集合方法有： List 中的 listOf()、ListOf<T>() Set 中的 setOf（...
it 关键字
当 Lambda 表达式或匿名函数只接收 一个参数 时，it 会作为这个参数的 隐式名称（默认参数名）。 val numbers = listOf(1, 2, 3, 4, 5) // it 表示参数 println(numbers.map { it * it }) // [1...
Day 15 – 咖啡机
MENU = { 'espresso': { 'ingredients': { 'water': 50, 'coffee': 18, }, 'cost': 1.5, }, 'latte': { 'ingredients': { 'water': 200, 'milk': 150, 'coffee': 24, }, 'cost': 2.5, }, 'cappu...
