All Questions
256
questions
0
votes
1
answer
60
views
Python/Tkinker Combobox event not launching [duplicate]
I'm pulling my hair out and sure I'll be embarrassed by how simple my mistake is. I have created a Combobox which is supposed to launch a function each time is it selected. However nothing happens ...
- 1,043
1
vote
1
answer
269
views
LabVIEW: How to listen to property changed in .NET from LabVIEW
I am writing a .NET library for LabVIEW to control our camera. I am not sure how to read property changed in .NET from LabVIEW.
For example, when we want to capture 10 images I want LabVIEW know ...
- 575
1
vote
1
answer
37
views
Staying away from global state with sync callback handlers in AcornJS
I am using AcornJS and trying to stay away from global variables. I am looking for a functional paradigm that will allow me to accumulate an array of data from two handlers from the types.visit ...
- 58.2k
0
votes
2
answers
32
views
How make an events target accessable in another function?
I have the following code scenario, where right now e.target.parentNode.parentNode.removeChild( e.target.parentNode );is not accessable in deleteUser. Is there a way to connect it or any other ...
- 565
0
votes
2
answers
702
views
Is there an easy way to simulate events between WCF service and WCF client?
So I've achieved localhost WCF Named Pipes communication between client EXE and server EXE. I can call class methods on the server over localhost. So, it's like an IPC/RPC. However, if the server's ...
- 24.7k
0
votes
1
answer
128
views
wxpython: How to influence wx objects from another wx object's callback function?
I'm coding a small GUI at the moment and wanted to know how I could influence wxpython widgets' states from within another's callback function.
At the moment, I can't influence widgets from my ...
- 209
1
vote
2
answers
587
views
Gaining access to events in tkinter between objects
In this sample python/tkinter script I have 3 classes. My first class SandBox sets up a notebook with two tabs, each tab is a separate class object.
This script is not a real world script I'm ...
- 69
1
vote
0
answers
196
views
EventArgs can not be serialized in WCF , Generic callback event
Suppose these Data Contracts:
[DataContract]
public class TestTabularPoint_C
{
[DataMember]
public string Modality { get; set; }
[DataMember]
public string StudyDate { get; set; }
...
- 3,824
0
votes
1
answer
241
views
Javascript / node.js - callbacks inside Promise
i have some callbacks inside my promise:
var res = new Promise(resolve => {
console.log('trig1');
var out = fs.createWriteStream(pathToFile);
console.log('trig2');
out.on('finish', ...
- 1,466
2
votes
1
answer
1k
views
OpenCL Callback hangs / freezes (deadlock, pthread_cond_wait)
I created a basic snippet:
Kernel:
__kernel void
kernel1(__global int* a, __global int* b, __global int* c, int size)
{
int idx = get_global_id(0);
if (idx >= 0 && idx < size){
...
- 387
1
vote
1
answer
331
views
in Node.js- Is there any relationship between Events (EventEmitter and Listener Function objects) and the asynchronous callbacks
I am exploring Node.js.I understand that Node.js core API is built around the idiomatic asynchronous event-driven architecture
Now, by this I guess it means every time an asynchronous Function is ...
- 41
1
vote
1
answer
760
views
linux c++: libaio callback function never called?
I'm on ubuntu 16.10 with g++ 6.2, testing libaio feature:
1. I was trying to test io_set_callback() function
2. I was using main thread and a child thread to talk by a pipe
3. child thread writes ...
- 10.3k
1
vote
0
answers
240
views
C++ Create callback from C++/CLI to C++
Hello for my project i have the "main" dll non cli in a process.
Then i have multiples instance of c# dll which embed a CLI dll.
From c# i can add a "EventHandler" to the cli.
Now the tricky part.
I ...
2
votes
0
answers
299
views
can Matlab global variables yield better performance in Matlab?
I hate using global variables, and everyone should. If a language has no way around using global variables it should be updated. Currently, I don't know any good alternative to using global variables ...
- 1,090
0
votes
2
answers
69
views
Maintaining state across asynchronous events in javascript
We have a loader which is based on an event listener. This is through pouchdb.
So each time a document is received to the client the listener fires. We check if that document is related to the loader ...
- 7,643