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APP INVENTOR硬件交互学习教程06——硬件参数上报 - 创客硬件开发 - 清泛IT...
...硬件参数上报，板子接收到指令，执行后反馈一个状态给APP。
1.界面组件
增加两个标签，一个布局，一个文本输入框
2.程序逻辑
增加接收处理和显示判断
3.arduino nano代码
// 引脚定义
const int ledPin1 =  5;// the numb...
Jar Mismatch Found 2 versions of android-support-v4.jar in the dependency list
I am trying to create 2 versions of an Android app (free/paid). I have an Android Library that contains files common to both. I created a new Android project and am trying to use the Library but get the error below:
...
Disposing WPF User Controls
... that its dispose method will always get called once the containing window/application is closed. However, UserControl is not disposable. I tried implementing the IDisposable interface and subscribing to the Unloaded event but neither get called when the host application closes. If at all possible, ...
Xcode 4 - “Valid signing identity not found” error on provisioning profiles on a new Macintosh insta
I had a Macintosh I used to develop iPhone apps with using XCode 4.
I now have a new Macintosh with a new install of... everything.
...
Generate .pem file used to set up Apple Push Notifications
...
To enable Push Notification for your iOS app, you will need to create and upload the Apple Push Notification Certificate (.pem file) to us so we will be able to connect to Apple Push Server on your behalf.
(Updated version with updated screen shots Here)
Step 1: L...
Download a file from NodeJS Server using Express
...
Update
Express has a helper for this to make life easier.
app.get('/download', function(req, res){
const file = `${__dirname}/upload-folder/dramaticpenguin.MOV`;
res.download(file); // Set disposition and send it.
});
Old Answer
As far as your browser is concerned, the file's...
Install shows error in console: INSTALL FAILED CONFLICTING PROVIDER
...move the <provider> from the library's manifest and define it at the application level with a unique authority string.
– CommonsWare
Oct 15 '14 at 14:48
4
...
Android Studio - Where can I see callstack while debugging an android app?
...
Yes, the same dragging out works for me. How could this happen? Studio can make it better, right?
– david m lee
Sep 12 '17 at 17:03
...
AngularJS access parent scope from child controller
...{
$scope.parentCities = $scope.cities;
}
The AngularJS docs use this approach, here you can read more about the $scope.
Another update
I think this is a better answer to the original poster.
HTML
<div ng-app ng-controller="ParentCtrl as pc">
<div ng-controller="ChildCtrl as c...
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