Basic-Chat | A Very basic chat interface written on node.js | Runtime Evironment library
kandi X-RAY | Basic-Chat Summary
kandi X-RAY | Basic-Chat Summary
A very basic chat application created with Node.JS. This project is only created to learn node.js and its libraries. You are free to use it however you like.
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QUESTION
I am developing a chat app using react js and firebase database everything works fine but when i open a new person to chat the previous chat messages with other person renders..
there is link to deployed app: https://basic-chat-42.web.app
Q:how to clear the state every time i call chat function so there is no message from the previous chat
code:
...ANSWER
Answered 2021-Feb-15 at 17:29You need to clear the message when user clicked on chat
button for the name
this.chat(v)} >CHAT
In the chat() method, update to reset the messages in state
QUESTION
I am just starting to learn nodeJS, and also following socket.io basic-chat tutorial. I have questions, I'm sure they sound ignorant, but I really want to understand them:
1) nodeJS "listens" on localhost:8080
for example. But let's say I want the socket.io chat to be on a specific page: localhost/chat.html
, how do I make that chat system to work on localhost/chat.html
, and not on localhost:8080
(so that a user clicks on "chat.html" link and the chat server starts only when in that page)
2) For the chat, I want to allow only users who are registered and logged-in to be able to view that localhost/chat.html page. With PHP I would simply check if a session is set using isset $_SESSION
and get the id of the user from that session, how can I get the session started by PHP, with the nodeJS file?
ANSWER
Answered 2018-May-01 at 21:38how do I make that chat system to work on localhost/chat.html, and not on localhost:8080
The default port for HTTP is 80
. http://localhost/
implies http://localhost:80/
. If you want, you can have Node.js listen on port 80
.
(so that a user clicks on "chat.html" link and the chat server starts only when in that page)
Well, that part of the question is nonsense. The server needs to be running so it's available to receive a request when it comes in.
With PHP I would simply check if a session is set using isset $_SESSION and get the id of the user from that session, how can I get the session started by PHP, with the nodeJS file?
PHP sessions typically work via a cookie. You can use cookies in your Node.js application as well. To make this easier on yourself, consider installing Express, and one of the many session data handlers that plug into it as a module.
QUESTION
I have been using the Adafruit Basic-Chat as a reference.
https://github.com/adafruit/Basic-Chat/tree/master/Basic%20Chat
I have customised the code to communicate with my custom built nordic BLE-module for a basic UART communication. 10 bytes to write and 10 bytes to read. I can read and write in the UartModuleViewController but soon as I create a new View Controller and try to use the same peripheral.writeValue the app seem to throw an error at the peripheral.writeValue line in my second ViewController. Can someone please help me on How to pass the same peripheral connected to various view controller scenes so that I can use the write/read functions similarly?
...ANSWER
Answered 2017-Dec-13 at 01:38I figured it out. Passing the connected peripheral from the array of scanned peripherals and referencing the service uuid to the peripheral when we want to access it from the central class and passing it using a segue to whichever view controller scene we want and referencing it to the central/main class so it doesn't get disconnected when we return to the home view controller scene. Thanks guys for references
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