In this post, we will see how to resolve Collect errors from goroutines nested in loops Question: I’m trying to collect errors from goroutines in loop, but dont’t understand how it must correctly work https://go.dev/play/p/WrxE0vH6JSG how should I collect array ...

In this post, we will see how to resolve Get Return Result In Flutter From Android(Kotlin) After Calling An Android(Kotlin) Function From Flutter Question: I am working on a Flutter App where I am working fine. Now for sending any ...

Question: In the below program, there is a select sequence in both C1 & C2. A deadline context for 1.5 seconds is defined in C1, which after the deadline, cancels the context, leads to ctx.Done() and prevents the reading of ...

Question: I am studying goroutines and channels. I wrote a practice code to figure out the concurrency problem of goroutine and solve it. Deposit() is called 10 times, passing a bool to the done channel. After that, this is the ...

Question: Why is this a deadlock in example 1, and does not deadlock nor print anything in example 2 ? Example 1.) Example 2.) Answer: In the first example, the channels won’t be able to send since there is no ...

Question: I am currently writing my first nextflow pipeline and I need to run different process in function of the parameter. In fact, I would like, in one process, to select the channel where the input come from. I’ve tested ...

Question: Goroutines and channels are bothering me these days. I’m looking at the memo5 code at https://github.com/adonovan/gopl.io/tree/master/ch9. If you look at memo.go of memo5, there are func (e *entry) call(f Func, key string) and func (e *entry) deliver(response chan<- result) ...

Question: I’m trying to understand a pool library codes, and when instancing a pool struct, call a function named startCleanerLocked(t Duration), in this function, there’s one empty select...case...default... code block, I cann’t understand what is the effect for this code ...

Question: Let’s assume there is a simple integer calculator that only supports addition and multiplication operation. It will receive an integer generator and an integer as additive or multiplier as its input parameters and apply the corresponding calculation for each ...

Question: The base code I was working off of passes the channel in to multiple methods. The same channel is also accessible through nested structs. I can access the same logCh by using p.Server.logCh. I know channels are pretty lightweight ...