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How to change Rails 3 server default port in develoment?
...run when you run "rails" with Rails 3 gems installed from the root of your application.
APP_PATH = File.expand_path('../../config/application', __FILE__)
require File.expand_path('../../config/boot', __FILE__)
# THIS IS NEW:
require "rails/commands/server"
module Rails
class Server
def def...
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...
Android disable screen timeout while app is running
Is there a way to disable the screensaver while my app is running?
12 Answers
12
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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...
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...
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 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));
...
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 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
...
HC-05/BLE 蓝牙通信数据乱码？接收到的中文乱码？乱码的原理及解决思路 · ...
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