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Is quitting an application frowned upon?
... One thought that drifted in my head: If I just rewrite the whole app as a Service, and treat that Service as the actual application - perhaps that would work better? Then I could "dumb up" the Activities (just as Android wants them) to just present data contained in the Service. In that case, I cou...
What is P99 latency?
...
Imagine that you are collecting performance data of your service and the below table is the collection of results (the latency values are fictional to illustrate the idea).
Latency Number of requests
1s 5
2s 5
3s 10
4s 40
5s 20
6s ...
Android Location Providers - GPS or Network Provider?
...be used to passively receive location updates when other
applications or services request them without actually requesting the
locations yourself. This provider will return locations generated by
other providers. Requires the permission
android.permission.ACCESS_FINE_LOCATION, although if th...
Spring vs EJB. Can Spring replace EJB? [closed]
...a JVM.
I wonder if Oracle will continue to support the Java EE spec. Web services have taken over for EJBs. The EJB solution is dead. (Just my opinion.)
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Apache redirect to another port
...che
sudo a2enmod proxy && sudo a2enmod proxy_http && sudo service apache2 restart
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Android AsyncTask testing with Android Test Framework
...et a similar problem while implementing some unit-test. I had to test some service which worked with Executors, and I needed to have my service callbacks sync-ed with the test methods from my ApplicationTestCase classes. Usually the test method itself finished before the callback would be accessed, ...
Is there a unique Android device ID?
...:
final TelephonyManager tm = (TelephonyManager) getBaseContext().getSystemService(Context.TELEPHONY_SERVICE);
final String tmDevice, tmSerial, androidId;
tmDevice = "" + tm.getDeviceId();
tmSerial = "" + tm.getSimSerialNumber();
androidId = "" + android.provider.Settings.Secure.getString(getConten...
How does TestFlight do it?
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This was possible before TestFlight rolled out a service. The technique stemmed out of the enterprise distribution mechanism. Since 4.0 devices have supported install from web.
Remember - you still need to sign the beta distribution for a select set of UDIDs you can't just...
App Inventor 2 JDY-34双模蓝牙模块配置与通信教程 · App Inventor 2 中文网
...式（低功耗蓝牙）
使用 BluetoothLE 扩展
通过Service/Characteristic读写
适合低功耗场景
AT指令配置
通过串口发送AT指令配置模块（需要在未连接状态发送）：
指令
功能
示例
...
Post data to JsonP
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It is not possible to do an asynchronous POST to a service on another domain, due to the (quite sensible) limitation of the same origin policy. JSON-P only works because you're allowed to insert <script> tags into the DOM, and they can point anywhere.
You can, of cours...