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Arduino 101 实验12 - 录音与回放 · App Inventor 2 中文网

... Arduino 101 1   Seeed Grove 扩展板 1   Grove 录音模块(Sound Recorder) 1 录放一体,只需插一个 D 口 二、接线 这个组件有两个引脚属性,但只需...
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What does collation mean?

...need to be sorted as if they were different letters - e.g. e,ë,é,ě, and è might be distinct letters for the purposes of ordering (but possibly the same letter when searching, damn those crazy Europeans ;)). – Piskvor left the building Dec 27 '10 at 12:59 ...
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Arduino 101 实验11 - RGB LCD 显示屏,把手机的字显示到硬件上 · App Inventor 2 中文网

... Arduino 101 1   Seeed Grove 扩展板 1   Grove RGB LCD(16×2) 1 插任意一个 I2C 插座 二、接线 LCD 插在 Grove 扩展板的任意一个 I2C 插座(板上有四...
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Setting the correct encoding when piping stdout in Python

...at you receive, and encode what you send. # -*- coding: utf-8 -*- print u"åäö".encode('utf-8') Another didactic example is a Python program to convert between ISO-8859-1 and UTF-8, making everything uppercase in between. import sys for line in sys.stdin: # Decode what you receive: lin...
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Mark current Line, and navigate through marked lines

...rks and walk quickly from one to another. – André Alçada Padez Apr 19 '12 at 18:17 if you tell me this is impossible...
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Why both no-cache and no-store should be used in HTTP response?

...he storage of the response in non-volatile media? – Lèse majesté Feb 27 '11 at 4:38 4 @Lèsemaj...
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select * vs select column

...using string keys or property names if using ORM. – Lèse majesté Jul 5 '10 at 15:04 11 saw this...
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micro:bit 实验06 - 拧旋钮控制屏幕,读模拟量 · App Inventor 2 中文网

...线对调。 固件:同实验05,MakeCode 里加 Bluetooth 扩展 + 蓝牙IO引脚服务。 三、界面组件 组件 命名 关键属性 画布 画布1 宽度充满、高度 200 图像精灵 ...
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串口通信器使用指导 · App Inventor 2 中文网

...pp 可以通过手机串口进行通信;如果只需无线传输,使用蓝牙/BLE 通信可能是目前更主流的方案(详见 Iot 专题)。 手机串口通信模型如下: 可以看到,手机串口连接时,没有像 PC 那样指定“COM3”等端口,而是直接使用默认...
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micro:bit 实验04 - 用磁力计做一个指南针 · App Inventor 2 中文网

...箱贴那种就行 固件:MakeCode 里加 Bluetooth 扩展 + 蓝牙磁力计服务,打开 No Pairing Required。 第一次用必须先校准:micro:bit 收到磁力计请求时会在点阵上显示 TILT TO FILL SCREEN, 按提示把板子朝各个方向倾斜,直到 25 个点...