A broadcast is a one-to-many message passing interface. It is usually used in the context of a network programming or event-driven programming.
Questions tagged [broadcast]
1905 questions
134
votes
9 answers
WebRTC - scalable live stream broadcasting / multicasting
PROBLEM:
WebRTC gives us peer-to-peer video/audio connections. It is perfect for p2p calls, hangouts. But what about broadcasting (one-to-many, for example, 1-to-10000)?
Lets say we have a broadcaster "B" and two attendees "A1", "A2". Of course it…

igorpavlov
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Using MPI_Bcast for MPI communication
I'm trying to broadcast a message from the root node to all other nodes using MPI_Bcast. However, whenever I run this program it always hangs at the beginning. Does anybody know what's wrong with it?
#include
#include
int main(int…

David
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Where is the all Android broadcast Intent list
I want to receive the Android broadcast messages. Is there a list of all intents?

batfree
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60
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How to send and receive broadcast message
I am trying to pass data between two activities that are inside of tabs. I am trying to use sendBroadcast(). With breakpoints set I never reach onReceive().
Manifest:

Yack
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Is there a broadcast action for volume changes?
I'm programming a small widget that needs to be updated whenever the user changes the ringer volume or the vibrate settings.
Capturing android.media.VIBRATE_SETTING_CHANGED works just fine for the vibrate settings, but I haven't found any way of…

luthier
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How to Send BroadCast from one app to another app
I have App A and App B. In App A I want to send broadcast to App B.
This is the code for App A:
final Intent intent = new Intent();
intent.setAction("com.pkg.perform.Ruby");
intent.putExtra("KeyName", "code1id");
intent.setComponent(new…

abh22ishek
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socket.io - how to broadcast messages on a namespace?
According to socket.io examples:
To broadcast, simply add a broadcast flag to emit and send method calls. Broadcasting means sending a message to everyone else except for the socket that starts it.
var io =…

JustAMartin
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Can I use broadcast or multicast for TCP?
For Internet Protocol (IP) I can use multicast:
in IPv4: Internet Group Management Protocol (IGMP)
in IPv6: Multicast Listener Discovery
Also, in example, for UDP I can use:
broadcast - to send packet to range of addresses
multicast - to send…

Alex
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How can I update a broadcast variable in spark streaming?
I have, I believe, a relatively common use case for spark streaming:
I have a stream of objects that I would like to filter based on some reference data
Initially, I thought that this would be a very simple thing to achieve using a Broadcast…

Andrew Stubbs
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How to set java.net.preferIPv4Stack=true at runtime?
I need to disable IPv6. For that the java documentation indicates setting jvm property java.net.preferIPv4Stack=true.
But I don't understand how to do it from the code itself.
Many forums demonstrated doing it from the command prompt, but I need to…

Caffeinated Coder
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Difference between Service and Broadcast receivers in android
I want to know the difference between services and broadcast receivers, can anyone point out an example that can be observed on android mobile devices.
Thanks

prago
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DownloadManager.ACTION_DOWNLOAD_COMPLETE broadcast receiver receiving same download id more than once with different download statuses in Android
I am using Android DownloadManger System Service for downloading some files in following way
dwnId = mgr.enqueue(new DownloadManager.Request(serveruri)
.setAllowedNetworkTypes(DownloadManager.Request.NETWORK_WIFI |
…

Ganesh K
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How can I determine network and broadcast address from the IP address and subnet mask?
For example:
IP Address: 130.45.34.36
Mask: 255.255.240.0
What would be Net ID/Subnet Address, and
Broadcast Address?

Apprentice
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Receiving Broadcast Packets in Python
I have the following code which sends a udp packet that is broadcasted in the subnet.
from socket import *
s=socket(AF_INET, SOCK_DGRAM)
s.setsockopt(SOL_SOCKET, SO_BROADCAST, 1)
s.sendto('this is testing',('255.255.255.255',12345))
The following…

nitish712
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