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乐高 EV3 实验02 - 差速小车遥控 · App Inventor 2 中文网

...米;WheelDiameter 和实际轮子不符;地面打滑 低功率时不动只嗡嗡响 功率低于 20 通常带不动车。滑动条最小值设 20 五、下一步 实验03:碰撞就停 —— 加接触传感器,撞到就自动停 ...
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【软著】软件著作权证书申请流程及注意事项,模板分享 - App Inventor 2 中...

...帮助 App Inventor 编译器将高层次的图形化编程语言转换成低层次的机器可执行代码。 兼容性: YAIL 代码使得 App Inventor 跨平台运行变得更加容易,便于将项目移植到其他环境中(例如 App Inventor 的后续版本或其他开发平台)。 ...
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Generating a UUID in Postgres for Insert statement?

...)::text || ':' || clock_timestamp()::text) placing '4' from 13) placing to_hex(floor(random()*(11-8+1) + 8)::int)::text from 17)::cstring); * Thanks to @Denis Stafichuk @Karsten and @autronix Also, in modern Postgres, you can simply cast: SELECT md5(random()::text || clock_timestamp()::text)...
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App Inventor 2 人脸识别App开发 - 第三方API接入的通用方法 · App Inventor 2 中文网

...识别模型 学习成本 简单,学习成本低。 适合AI相关专业人士,学习成本高。 识别速度 速度稍慢,几秒。 速度极快,毫秒级。 使用限制 调用次数有限制,不过学...
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use Winmerge inside of Git to file diff

... ) REM diff is called by git with 7 parameters: REM path old-file old-hex old-mode new-file new-hex new-mode copy %TEMP%\%~nx2 %GIT_DIFF_OLD_FILES%\%1 copy %5 %GIT_DIFF_NEW_FILES% :END It is not robust enough to handle files with same names in different directories, but it gives you a genera...
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How to pass “Null” (a real surname!) to a SOAP web service in ActionScript 3

...n entire text value that would otherwise cause encoding/decoding problems. Hex encoding, for instance, is meant for individual characters. CDATA values are preferred when you're escaping the entire text of an element. The biggest reason for this is that it maintains human readability. ...
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Linux C/C++程序常用的调试手段及异常排查总结 - C/C++ - 清泛网 - 专注C/C++及内核技术

...道 log 加在哪里最关键,而不是漫无目的,否则效率会奇低。 另一种方式当然是使用调试工具,单步调试,随时查看栈中任意数据,Linux 下使用GDB,windows 直接用宇宙第一ide:Visual Studio,至于 android 调试 Native C++ 程序,现在公...
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Arduino 101 实验12 - 录音与回放 · App Inventor 2 中文网

... SOUND_RECORDER 设为 ENABLED,其余 DISABLED。 音质期望值放低:录的是单声道低采样率音频,存在板子有限的内存里, 只能录几秒,回放是明显的”电子音”。这个实验的意义是打通流程,不是做录音笔。 三、界面组件 ...
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How is a CRC32 checksum calculated?

... x10 + x8 + x7 + x5 + x4 + x2 + x + 1 Wikipedia CRC calculation Or in hex and binary: 0x 01 04 C1 1D B7 1 0000 0100 1100 0001 0001 1101 1011 0111 The highest term (x32) is usually not explicitly written, so it can instead be represented in hex just as 0x 04 C1 1D B7 Feel free to c...
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Behaviour of increment and decrement operators in Python

...it will be garbage collected later. Give it a try yourself: a = 1 print(hex(id(a))) a += 1 print(hex(id(a)))