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2024 全“心”出发 -- 全新App Inventor 2 移动社区开启新征程 - App Inven...
...用App Inventor 2 开发、定位商业级的App，当然短期内是无缘iOS平台了（官方支持iOS照目前看还需很久）。
最后，不论您是会员还是普通用户，我们都将秉承教育者的初心，致力于普及App Inventor 2 技术，让更多人能够轻松开发自...
ble 蓝牙透传代码怎么写？ - 创客硬件开发 - 清泛IT社区，为创新赋能！
...特征id。
可以做到透传，不过要换透传 id，这个 id 是 io 控制口
晚一些我给你一下 透传 id。
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透传的服务id：SERVICE_UUUID = UUID.fromString("0000fff0-0000-1000-8000-00805f9b34fb");
向ble写数据的特征id： WRITE_UUUID = UUID.from...
Plyr视频播放器拓展：全屏、画质、字幕、缩略图、强大的用户界面 - App Inv...
...出。您可以在个人和商业项目中自由使用它。它基于 Plyr.io
功能
支持缩略图
支持直播
支持 M3U8 文件
支持多种字幕
支持多种视频质量
支持缓存
流畅的视频加载
响应式设计
支持本地文件
离线工作
还有更多功能即将...
系统界面增强扩展 - KevinkunEnhance - App Inventor 2 拓展 - 清泛IT社区，为创新赋能！
...设置左、上、右、下）。
设置高程设置组件的高程elevation。会在组件周围显示阴影效果（必须提前设置背景）
设置自定义字体设置组件字体。fontName字体名以//开始表明字体在素材库，以/sdcard/开始表明在外部存储卡。
其他组...
Async Procedures 拓展：异步任务拓展，异步处理耗时任务 - App Inventor 2...
Async ProcAsync Proc is an Extension which you can use to run a Procedure asynchronously. You no longer have to wait for a loop to finish and don’t worry about your app Crashing due to Android System thinking that your app crashed while doing intense processes.BLOCKS:EVENTS :
[color=var(--tertiar...
How to compare binary files to check if they are the same?
...ies. Since all files can be considered to be binary that's a strange assertion.
– H2ONaCl
Dec 24 '16 at 8:13
8
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Convert InputStream to byte array in Java
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You can use Apache Commons IO to handle this and similar tasks.
The IOUtils type has a static method to read an InputStream and return a byte[].
InputStream is;
byte[] bytes = IOUtils.toByteArray(is);
Internally this creates a ByteArrayOutputStream...
Is char signed or unsigned by default?
In the book "Complete Reference of C" it is mentioned that char is by default unsigned.
7 Answers
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Is there a Python caching library?
... need a simple dict -like interface where I can set keys and their expiration and get them back cached. Sort of something like:
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library not found for -lPods
... Aha, in your Podfile, specify the platform like so: platform :ios, :deployment_target => "3.2". That should configure it correctly the next time you run pod install.
– alloy
Apr 5 '12 at 21:54
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