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- App Inventor 2 中文网 - 清泛IT社区，为创新赋能！
手动同步用 信息分享器 组件。
自动实时同步只能走云端，上报到你自己的服务器或者微数据库等，另一个 app 定时拉取。
还可以用云数据库接 redis，数据变动有实时通知，不用定时拉取。
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...e user identity is outdated, especially if you've tried starting a stopped app pool and the next request again fails.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 ...
How to execute raw SQL in Flask-SQLAlchemy app
...te('SELECT * FROM my_table WHERE my_column = :val', {'val': 5})
All your application queries should be going through a session object, whether they're raw SQL or not. This ensures that the queries are properly managed by a transaction, which allows multiple queries in the same request to be commit...
How to change title of Activity in Android?
...d:label property of the launcher activity will also change the name of the application on the phone's applications screen. Your application's icon will have "My Activity Title" caption.
– Doron Zehavi
Apr 7 '14 at 11:58
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Android -Starting Service at Boot Time
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android:versionCode="1"
android:versionName="1.0">
<application android:icon="@drawable/icon" android:label="@string/app_name" android:debuggable="true">
<activity android:name=".BR_Example"
android:label="@string/app_name">
<...