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游戏中的算法与计算思维：从知识到实战，八课附 .aia · App Inventor 2 中文网
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课
本课知识与成果
类型
01
画布坐标映射到卡片
逐步增加功能
02
用列表生成成对卡片
逐步增加功能
03
用洗牌理解随机与循环
逐步增加功能
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Convert dd-mm-yyyy string to date
...#datepicker").val().split("-")
var f = new Date(from[2], from[1] - 1, from[0])
Use regex
var date = new Date("15-05-2018".replace( /(\d{2})-(\d{2})-(\d{4})/, "$2/$1/$3"))
Why not use regex?
Because you know you'll be working on a string made up of three parts, separated by hyphens.
However, i...
asynchronous vs non-blocking
What is the difference between asynchronous and non-blocking calls? Also between blocking and synchronous calls (with examples please)?
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How to calculate the time interval between two time strings
I have two times, a start and a stop time, in the format of 10:33:26 (HH:MM:SS). I need the difference between the two times. I've been looking through documentation for Python and searching online and I would imagine it would have something to do with the datetime and/or time modules. I can't ge...
App Inventor 2 语音识别及文本朗读组件的使用 · App Inventor 2 中文网
...验较好，识别率很高。
不过目前版本还稳定维持在1.1.1045，后续几乎不再更新了。
安装方法
应用市场搜索安装，应用市场找不到的请点此（https://www.pgyer.com/yyyq）下载apk安装。
设置
语音识...
conversion from string to json object android
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answered May 14 '16 at 20:39
Ercan ILIKErcan ILIK
31933 silver badges44 bronze badges
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【科普】App Inventor 2 能编译出苹果iOS版App吗？ · App Inventor 2 中文网
...Building for iOS from GitHub
来源：https://bbs.tsingfun.com/thread-1067-1-1.html
本文由 App Inventor 2 中文网 整理
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App Inventor 2 里那十几个传感器，被问最多的9个问题一次说清 - App应用开...
...错？A: 绝大多数情况下不会崩溃，但数据会是空的或恒为0。App Inventor 2 的传感器组件在设计上都带有一个"可用状态"属性。以气压传感器 Barometer、湿度传感器 Hygrometer、温度传感器 Thermometer 为例，它们属于"物理环境...
What is the purpose of mock objects?
...s terms, can someone explain what mock objects are, and what they are typically used for when writing unit tests?
11 Answer...
大学排名与特色案例的数据来源 · App Inventor 2 中文网
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大学数据来源
采集日期：2026-10-03。排名、地区、类型和总分来自 软科2026主榜，本工程只包含前20所，并非完整590校名单。
特色方向：清华和北大分别依据 清华本科生教育 与 北大简介 概括；其...