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AI助手案例：制作一个精美的计算器app - AI 助手 - 清泛IT社区，为创新赋能！
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补充：
Q：我要补充一下说明，虽然程序报这个错，但是APP，还是可以正常接收到数据的，而且这个错只是第一次链接蓝牙的时候，获取数据，会报这个错，后面就不会了。
A：也就是说 uuid 和特征 id 是有效的？
我找到原...
请教：选离线版还是在线版？ - App Inventor 2 离线版 - 清泛IT社区，为创新赋能！
我是几天前申请了10天免费离线版。编了一个找车app。位置传感器搞通了，微数据库也搞通了，就是谷歌地图连不上。现在决定成为付费会员。就是不知道，选离线版还是在线版？一，功能哪个全？二，能不能两边都玩？谢谢。1...
Error handling principles for Node.js + Express.js applications?
... like error reporting/handling is done differently in Node.js+ Express.js applications compared to other frameworks. Am I correct in understanding that it works as follows?
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getExtractedText on inactive InputConnection warning on android
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I ran into a similar issue. My logcat:
W/IInputConnectionWrapper(21214): getTextBeforeCursor on inactive InputConnection
W/IInputConnectionWrapper(21214): getSelectedText on inactive InputConnection
W/IInputConnectionWrapper(21214): getTextBeforeCursor on inactive InputConnection
W/I...
Allow CORS REST request to a Express/Node.js application on Heroku
...d URL bar, etc. I'm now trying to get it working for requests from another app, on a different domain (CORS).
5 Answers
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Android Log.v(), Log.d(), Log.i(), Log.w(), Log.e() - When to use each one?
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Let's go in reverse order:
Log.e: This is for when bad stuff happens. Use this tag in places like inside a catch statement. You know that an error has occurred and therefore you're logging an error.
Log.w: Use this when you suspect something shady is going on. You may not be completely ...
How can I access getSupportFragmentManager() in a fragment?
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This will return android.app.Fragment. In some cases, you need android.support.app.v4.Fragment so it will not work all the time.
– codingpuss
Jan 25 '15 at 2:41
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Clear android application user data
Using adb shell to clear application data
7 Answers
7
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HTTP Error 503, the service is unavailable
...e user identity is outdated, especially if you've tried starting a stopped app pool and the next request again fails.
In IIS, go to the Application Pools under the Server, then find the correct Application Pool for your web site, and click on it. On the Advanced Settings menu to the right, select ...