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APP INVENTOR硬件交互学习教程03——巧借arduino nano 配置HC-05 - 创客硬...
1.HC-05模块有两种模式
配置模式：进入方式，上电前按住模块按键，通电LED慢闪即进入配置模式，默认波特率38400，数据为8，停止位1
通信模式：不按下按键，上电就是这个模式，默认串口波特率9600，数据位8，停止位1
2.ardu...
使用自带的web浏览器播放视频的链接，播放哔哩哔哩里上传的视频，因为是...
本帖最后由 2878646354 于 2024-07-17 15:21 编辑
不知道为什么腾讯视频插入视频的嵌入链接的时候可以展示视频的界面，但是点击播放以后就卡住不动了换成哔哩哔哩的链接可以正常显示使用的是自带自带的web浏览器，先创建一个...
最大装载数不显示计算数值 - App Inventor 2 中文网 - 清泛IT社区，为创新赋能！
计算公示如下：
（排数输出-高数输出）×横数输出+（高数输出×横数输出）÷2＝最大装载数
出现问题不显示计算数字代码块没有问题，经过测试是能够正确计算出除法结果的，测试时主要被除数要大于除数，否则计算结果0.x...
菜品识别的API有哪些？ - App应用开发 - 清泛IT社区，为创新赋能！
目前找到的有百度和阿里，做菜品识别api，文档地址分别如下：
百度云：https://cloud.baidu.com/doc/IMAGERECOGNITION/s/tk3bcxbb0
阿里云：https://help.aliyun.com/zh/viapi ... a2c4g.11186623.0.i0
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食物营养成分识别：https://www.tian...
How do I hide a menu item in the actionbar?
... This is what I've thought of initially, but this crashes the application.
– Stir Zoltán
May 21 '12 at 21:30
3
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Should Gemfile.lock be included in .gitignore?
...gem, then DO NOT check in your Gemfile.lock. If you are working on a Rails app, then DO check in your Gemfile.lock.
Here's a nice article explaining what the lock file is.
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improve this ans...
How do I use $rootScope in Angular to store variables?
...e can be updated too (the changeRs function in myCtrl2)
angular.module('myApp', [])
.run(function($rootScope) {
$rootScope.test = new Date();
})
.controller('myCtrl', function($scope, $rootScope) {
$scope.change = function() {
$scope.test = new Date();
};
$scope.getOrig = fun...
Hidden Features of ASP.NET [closed]
...ev box machine.config, so you don't have to change the web.config on every app you create.
– Max Toro
Oct 24 '09 at 21:22
...
No connection string named 'MyEntities' could be found in the application config file
I am using entity framework and ASP.NET MVC 4 to build an application
28 Answers
28
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Is it bad to have my virtualenv directory inside my git repository?
I'm thinking about putting the virtualenv for a Django web app I am making inside my git repository for the app. It seems like an easy way to keep deploy's simple and easy. Is there any reason why I shouldn't do this?
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