- "Robot Paths" available in https://github.com/LambdaSchool/CS1-Code-Challenges/tree/master/robotPaths
1st Lecture w/Tai Chulikavit: Review Code Challenge #28: stackOfPlates
Brown Bag w/Thomson Comer: The Hyper Text transfer Protocol
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Protocol: a specific language
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Inter-Processed Communication (IPC)
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HTTP communicates over Sockets (there are also: pipes and named pipes, msg queueing, semaphores, shared memry and sockets)
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Sockets allow two different processes to communicate
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using
telnet -
using
curl> GET / HTTP/1.1 <--- get the root of google according to HTTP protocol > Host: www.google.com > User-Agent: curl/7.54.0 > Accept: */*
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metadata... Header data...
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make a dir, cd in
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npm install express
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server.js
/*******************
* express setup
********************/
const express = require('express');
const app = express();
/*******************
* server
********************/
const port = 8081;
const server = app.listen(port, () => {
console.log('server online');
});
/*******************
* endpoint
********************/
app.get('/', (request, response) => {
// console.log(req)
response.send('Hello, World!\n');
});-
npm i --save express(will make package-lock.json) -
node server.js -
curl localhost:8081 -
Live Reload
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Make server public on the internet with: ???