大约有 30,000 项符合查询结果(耗时:0.0169秒) [XML]

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在APP Inventor的BLE组件使用RequestMTU方法之后,发送的字符数依旧限制在2...

目前APP是能连接上蓝牙,也能传输数据,但是发送和接受的数据都是20字节的分包。使用BLE调试宝,在里面修改MTU,返回的值是512,并且是修改成功的,但是在编程中使用RequestMTU方式设置512,,并且读取返回值也是512,然后调用...
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Mind+ 掌控板、ESP32开发板等硬件如何接入AppInventor? - 创客硬件开发 - ...

...通信方式,及使用什么组件。一般不外乎2种方式: 1、蓝牙(经典蓝牙),使用 蓝牙客户端 组件。Mind+ 参考代码如下: 2、WIFI(TCP服务器),使用ClientSocketAI2Ext 拓展。
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Error 1103: Unable to complete the given request with the text - App I...

...手里”的原则,我们损失了少许兼容性(iOS版AI伴侣目前连接不了),也必须将通信服务器国内本地化。 我们已于今天升级了通信服务器,改为了国内高速服务器,解决偶发连不上的问题,连接测试的速度也更快。 帮助菜单 ...
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Is there a way to crack the password on an Excel VBA Project?

... value, otherwise the next time you open the spreadsheet Excel will report errors (Unexpected Error), then when you access the list of VBA modules you will now see the names of the source modules but receive another error when trying to open forms/code/etc. To remedy this, go back to the VBA Projec...
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Detect blocked popup in Chrome

...ari (v6), Chrome (v23.0.127.95) & IE (v7 & v9). Update the _displayError function to handle the error message as you see fit. var popupBlockerChecker = { check: function(popup_window){ var _scope = this; if (popup_window) { if(/chrome/.test(na...
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How to use a different version of python during NPM install?

... 507 You can use --python option to npm like so: npm install --python=python2.7 or set it to be ...
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实时预览录制使用指导 · App Inventor 2 中文网

... 初始化 对照案例检查是否已经调用加载、注册、连接或显示方法;仅拖入组件不会替你执行这些步骤。 结果返回 将成功事件和失败事件都接到标签,记录事件参数;异步操作完成前不读取结果属性。 ...
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ViewDidAppear is not called when opening app from background

...13-04-07 09:31:06.505 myapp[15459:11303] view did load 2013-04-07 09:31:06.507 myapp[15459:11303] view will appear 2013-04-07 09:31:06.511 myapp[15459:11303] app did become active 2013-04-07 09:31:06.512 myapp[15459:11303] did become active notification 2013-04-07 09:31:06.517 myapp[15459:11303] vie...
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联网 App 第 5 课:带图商品墙,发布、搜索、详情与下架(综合,附 .aia 源...

... 用的是哪一课的做法 服务地址、断网提示 第 1 课 商品列表存成一个列表、先读后写 第 2 课 每件商品是一个字典,按编号找到要删的那件 第 3 课 先传图片拿...
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Converting a column within pandas dataframe from int to string

...n eg to return empty string rather than 'Nan' – seanv507 Jan 4 '19 at 20:54 1 (I wasn't disagreei...