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What does -save-dev mean in npm install grunt --save-dev
...
--save-dev: Package will appear in your devDependencies.
According to the npm install docs.
If someone is planning on downloading and using your module in their program, then they probably don't want or need to download and build the external t...
Difference between android-support-v7-appcompat and android-support-v4
...ow the difference between android-support-v4.jar
and android-support-v7-appcompat.jar . If I want to add appcompat Action Bar in my application do I need to add both android-support-v7-appcompat.jar and android-support-v4.jar or only android-support-v7-appcompat.jar .
...
How to programmatically close a JFrame
...patch a window closing event to the Window. The ExitAction from Closing An Application allows you to add this functionality to a menu item or any component that uses Actions easily.
frame.dispatchEvent(new WindowEvent(frame, WindowEvent.WINDOW_CLOSING));
...
Dialog to pick image from gallery or from camera
...g a photo. Just show a dialog with two options and upon selection, use the appropriate code.
To take picture from camera:
Intent takePicture = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
startActivityForResult(takePicture, 0);//zero can be replaced with any action code (called requestCode)
To p...
How do I detect when someone shakes an iPhone?
...er, you want to set this view to become first responder:
- (void) viewWillAppear:(BOOL)animated
{
[shakeView becomeFirstResponder];
[super viewWillAppear:animated];
}
- (void) viewWillDisappear:(BOOL)animated
{
[shakeView resignFirstResponder];
[super viewWillDisappear:animated];
}
...
解决IIS发布时global_asax的dll 的CS0433冲突问题 - 环境配置 - 清泛IT社区，为创新赋能！
Server Error in '/' Application.Compilation ErrorDescription: An error occurred during the compilation of a resource required to service this request. Please review the following specific error details and modify your source code appropriately.
Compiler Error Message: CS0433: The type 'ASP.globa...
Android应用开发性能优化完全分析 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...种流畅的帧率规定为60fps。
有了上面的背景，我们开发App的帧率性能目标就是保持在60fps，也就是说我们在进行App性能优化时心中要有如下准则：
换算关系：60帧/秒-----------16ms/帧；
准则：尽量保证每次在16ms内处理完所有的...
动态追踪（Dynamic Tracing）技术漫谈 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...它其实是处于“造物主”这样的一个地位。它拥有绝对的权限，同时它可以确保我们针对软件系统发出的各种“查询”不会影响到软件系统本身的正常运行。换句话说，我们的这种查询必须是足够安全的，是可以在生产系统上大...
AppInventor2画布的坐标原点是哪里？ - App应用开发 - 清泛IT社区，为创新赋能！
Q：AppInventor2画布的坐标原点在哪里，是中心吗？
A：画布的左上边缘是 0,0 原点。
How to decompile an APK or DEX file on Android platform? [closed]
...ard process to decompile an APK and in case when obfuscation is enabled in app the decompiled classes code may differs.
– Rupesh Yadav
Jun 2 '14 at 6:33
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