Top "Channel" questions

A communication construct enabling sending of objects between execution threads.

What are channels used for?

When looking through some Go code I found the following: ch := make(chan int) I looked up in a online …

go channel
Slack: is there a way to disable all @channel notifications

The Slack chat tool by default sends email notifications saying "You were mentioned ..." when in fact it was @channel and …

notifications channel slack
How does select work when multiple channels are involved?

I found when using select on multiple non buffered channels like select { case <- chana: case <- chanb: } …

select go scheduling channel goroutine
How to wait until buffered channel (semaphore) is empty?

I have a slice of integers, which are manipulated concurrently: ints := []int{1, 2, 3, 4, 5, 6, 7, 8, 9, 10} I'm using a buffered channel as semaphore in …

go semaphore channel goroutine
Go channels and deadlock

I'm trying to understand the Go language. I tried to create two goroutines that chain the flow between them using …

go channel
How to get Response from another channel in mirth

We have two channels called channelA and channelB. In channelA we have two destinations a. first destination will invoke the …

response channel mirth
How to read the alpha channel of a TIFF image in Python OpenCV?

I want to read the alpha channel from a tiff image using Python OpenCV. I am using Enthought Canopy with …

python opencv alpha channel
Golang: Can I cast to chan interface{}

I am trying to write a general purpose wrapper for subscriptions, something like: type Subscriber interface{ Subscribe(addr string) chan …

interface casting go publish-subscribe channel
Recovering from a CommunicationObjectFaultedException in WCF

I have a client app that tries every 10 seconds to send a message over a WCF web service. This client …

wcf exception channel
How to broadcast a message from a Phoenix Controller to a Channel?

Is there a way to broadcast a message to a channel from outside that channel? Maybe something like Channel.broadcast …

elixir channel phoenix-framework