Questions tagged [client-server]
DO NOT USE ALONE. The client-server model is a centralized model, in which a server performs a specialized service (such as HTTP, SMTP, etc.) for multiple clients on request. Use for issues regarding client server communication. Use with a appropriate language tag(eg: [python]).
client-server
6,531
questions
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Full duplex named pipes on Windows
I would like to implement full duplex named pipe communications on Windows. The server needs to be in C++, and needs to be able to connect to multiple clients simultaneously. The client needs to be ...
0
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1
answer
41
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How can background.js send an XHR to a server in the context of a Chrome extension?
I want to build an extension that requires sending a message to a node.js server and receiving a response. It should do this automatically, which is why I can't implement this in popup.js. This is my ...
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23
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Access was blocked by CORS policy: Response to preflight request fails access control check
I get the following error: Access to XMLHttpRequest at 'client' from origin 'server' has been blocked by CORS policy: Response to preflight request doesn't pass access control check: No 'Access-...
1
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0
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40
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Errno 111 connection refused
I’m trying to write a program that transfers real-time video from a Seek thermal camera integrated with raspberry pi 3b+. The setup includes a flask server with websocket protocol and PC, where the ...
0
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0
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Perform drag and drop event to all clients with socket.io
it's the first time i'm working with node.js, express and socket.io and i'm trying to perform a simple drag and drop option for all connected clients. Drag and drop is working but it is not rerendered ...
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Will not run on postman no json response
When I run my code the specific json output does not show. For example like this:
{
"id": 1,
"name": "John Doe",
"email": "[email protected]",
&...
1
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0
answers
24
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Building an OCSP Responder
For Building an OCSP Responder
I want to Build an OCSP Responder.
For Building an OCSP what are the thing required, where to start
please Help me in this problem I am new in this field i have basic ...
1
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0
answers
29
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socket io - client with app rouer next 14
hi I try to connect to socket-io and I get this error, is there anyway i can fix this error?
uncaughtException: TypeError: isValidUTF8 is not a functionat module.exports.isValidUTF8 (webpack-internal:...
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1
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89
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TLS Connection successful with mismatched CA
Requirement:
I'm working on the following requirement. I have two devices that act like server and a client communicating over a LAN cable. They exchange some data and I'm trying to secure the data ...
-2
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1
answer
27
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Wireshark didn't display the IP addresses and port numbers of the server and client, despite successful message exchange. How to fix this issue
set up UDP client-server communication and installed Wireshark on Ubuntu to monitor packet capture . However, Wireshark didn't display the IP addresses and port numbers of the server and client, ...
0
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0
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15
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Not receiving large json data(more than 1024 size) from Server to Client during 1st time
Not receiving large json data(more than 1024 size) from Server to Client during 1st time.
Scenario:
Step1: Run CoAP Server
Step2: Run CoAP Client (1st time called - Payload size is 1274, not getting ...
0
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1
answer
45
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Generic Types In Flat Buffer
I am having some trouble converting my games network communication from sending json to using flat buffers.
How my games client / server communication works:
We have a base class called GameMessage
[...
0
votes
1
answer
32
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How to receive large data more than 1024 in CoAP Client
/*
I am sending a response from CoAP server to CoAP client which is more than 1024 size. But, I am not able to receive the complete data in CoAP client. I could receive only 1024 size of data.
API ...
0
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0
answers
23
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Boost async handler not being called
#include <boost/signals2.hpp>
#include <boost/bind/bind.hpp>
I am building a client server pair (simple echo server currently) and think I must have a design issue The following code works ...
0
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Encryption: How to recover encrypted primary key encrypted using PBKDF2 if password is lost by user? How can recovery mechanism be implmented?
As title says,
I've generated primary key as:
async function generateKey() {
const key = await window.crypto.subtle.generateKey(
{
name: "AES-GCM",
...