broadcast
Receiving Broadcast Packets in Python
Try binding to the default address: s.bind((”,12345))
How can I determine network and broadcast address from the IP address and subnet mask?
Let’s write both in binary: 130.45.34.36 = 10000010.00101101.00100010.00100100 255.255.240.0 = 11111111.11111111.11110000.00000000 A bitwise AND between the two would give us the network address: 10000010.00101101.00100010.00100100 (ip address) AND 11111111.11111111.11110000.00000000 (subnet mask) = 10000010.00101101.00100000.00000000 = 130.45.32.0 (the resulting network address) A bitwise OR between the network address and the inverted subnet mask would give us the broadcast … Read more
Difference between Service and Broadcast receivers in android
Service: If you want to do something in background , this will be running always in background even if the application closed. You can create this in separate process and also you can give your service to other app if you want. Downloading any content or Music is good example Broadcast Reciever: Usually system will … Read more
How to set java.net.preferIPv4Stack=true at runtime?
You can use System.setProperty(“java.net.preferIPv4Stack” , “true”); This is equivalent to passing it in the command line via -Djava.net.preferIPv4Stack=true
How can I update a broadcast variable in spark streaming?
Extending the answer By @Rohan Aletty. Here is a sample code of a BroadcastWrapper that refresh broadcast variable based on some ttl public class BroadcastWrapper { private Broadcast<ReferenceData> broadcastVar; private Date lastUpdatedAt = Calendar.getInstance().getTime(); private static BroadcastWrapper obj = new BroadcastWrapper(); private BroadcastWrapper(){} public static BroadcastWrapper getInstance() { return obj; } public JavaSparkContext getSparkContext(SparkContext sc) … Read more
Can I use broadcast or multicast for TCP?
No, you can’t. TCP is a protocol for communication between exactly two endpoints. Compared to UDP it features reliable transport, that means, that packets get not only send, but it is expected that the peer acknowledges the receipt of the data and that data will be retransmitted if the acknowledgment is missing. And because Broadcast … Read more
socket.io – how to broadcast messages on a namespace?
Seems I was able to solve this for myself after opening a bounty. Sorry about that. Anyway, see if this helps: chat.on(‘connection’, function (socket) { socket.on(‘message’, function (msg) { socket.emit(msg); // Send message to sender socket.broadcast.emit(msg); // Send message to everyone BUT sender }); }); However, you could save some bandwidth and create a more … Read more
How to Send BroadCast from one app to another app
First thing first declare the receiver in app B in the manifest file like this: <receiver android:name=”.MyBroadcastReceiver” android:enabled=”true” android:exported=”true”> <intent-filter> <action android:name=”com.pkg.perform.Ruby” /> </intent-filter> </receiver> when sending the broadcast add FLAG_INCLUDE_STOPPED_PACKAGES flag to the intent [src] because when you broadcast from app A to app B , app B might not be running, this flag … Read more
Is there a broadcast action for volume changes?
There is no broadcast action, but I did find you can hook up a content observer to get notified when the settings change, volume of streams being some of those settings. Register for the android.provider.Settings.System.CONTENT_URI to be notified of all settings changes: mSettingsContentObserver = new SettingsContentObserver( new Handler() ); this.getApplicationContext().getContentResolver().registerContentObserver( android.provider.Settings.System.CONTENT_URI, true, mSettingsContentObserver ); The … Read more