Common scenario - Activity with a background Service to poll server. The Service will run periodically via AlarmManager and also perform tasks for the Activity (user hits a button, go fetch someth...

I'm writing a small collection of Vue components to create a library to use in future projects, but I'm quite confused about this topic; maybe I need a completely different approach, but I don't kn...

Here I create a producer-customer program,the parent process(producer) create many child process(consumer)，then parent process read file and pass data to child process. but , here comes a performa...

Here is my architecture : I have two containers (A and B) running on the same host with their own network. docker-compose : version : '3' services: A: build: ./docker_A ports: - "8090:8...

I am currently working on a project that requires some communication over the network of a different data types from some entities of a distributed system and I am using ZMQ. The main goal of the...

Can you suggest me a diagramming software where I can draw diagrams like this one (as much out-of-the-box as possible): These type of diagrams are usually used to document communication protocols...

I want to create a communication system with two clients and a server in Netty nio. More specifically, firstly, I want when two clients are connected with the server to send a message from the serv...

I tried searching but i'm still a little lost. I usually do fragment to fragment communication through an Activity via interfaces or a BroadcastReceiver. Anyway, my question is what is the use of...

am new to Modbus and developing an application using Modbus RTU. I would like to know how to find out the RTU message frame separation time. In the Modbus RTU specification, It mentions 3.5 chars t...

We have a server which we connect with .Net remoting. The server is on two network, the client is on two network. The client and the server have only one network in common: Using discovery, we f...

I have a task that I need to run asynchronously from the web page that triggered it. This task runs rather long, and as the web page could be getting a lot of these requests, I'd like celery to onl...

I am using an Arduino Uno rev2 device as a permanently connected device that sometimes sends signals to a PC (Windows 7 x64). Code compiled with Arduino 1.0 software from arduino.cc Topic on ardui...

I want to have a web page (written in php because it's what i know) that displays an input value. I want that value to be passed to a c programa that's already running. I though of using sockets ...

I'm writing a java application that communicates with an external device over a serial port. I think I can connect to the device & send/receive data ok (I don't have access to the device at th...

As the team I am on works to formalize and establish more development practices, I find that communication seems to fail at the following points: During an informal conversation about a pro...

The ref says: Limit of total size of serialized results of all partitions for each Spark action (e.g. collect). Should be at least 1M, or 0 for unlimited. Jobs will be aborted if the total siz...

I am running a certain application on Ubuntu (16.04) in VirtualBox, while VirtualBox is running on Windows 10 (host). In Simulink (running on my host), I have a simulation where at the last s...

I would like to compare OPC UA vs MQTT on basis of the general characteristics of both the protocols such as Overhead (Packets), Security, Information modeling and Reliability. Where can I find som...

What I want to do: I want to add communication capabilities to a couple of applications (soon to be jar libraries for Java) in Scala, and I want to do it in the most painless way, with no Tomcat, w...

I don't find my answer on any post. I use a container with a project under PHP on a container which works fine. I want to link Java which is launch on another container. I use the "java:8" image ...

Recently, I found myself having to write up some concerns I have about race conditions in an application that is in development (not by me). This will likely be brought to the attention of st...

How do you invoke a tkinter event from a separate object? I'm looking for something like wxWidgets wx.CallAfter. For example, If I create an object, and pass to it my Tk root instance, and then t...

Edited to make the question more clear. I am trying to work with Isolates (or Web Workers) in Dart. The only ways I can find to communicate between the main and isolate threads are send and call &...

What will happen if there is no Start and Stop Bit in Serial Communication? What is the use of Start and Stop Bit?

I'm trying to implement a mechanism to send textual data (JSON for instance) in from page to page, using javascript at the same machine. I found some code and wrapped it but it only works at the s...