react check if localhost

>>> G = nx.Graph() # or DiGraph, MultiGraph, MultiDiGraph, etc >>> G.add_path([0,1,2]) >>> G.nodes() [0, 1, 2] >>> G.add_node(1, time=’5pm’) >>> G.nodes(data=True) [(0, {}), (1, {‘time’: ‘5pm’}), (2, {})] Here is what the above code is Doing: 1. Create an empty graph with no nodes and no edges. 2. Add a path from 0 to…

Go create a discord bot with a currency system Here is what the above code is Doing: 1. We’re importing the discord.py library and creating a Client object. 2. We’re defining a new command (which will be called with !hello) 3. We’re telling the command to print “Hello World” into the chat.

import axios from ‘axios’ const data = axios.get(‘https://jsonplaceholder.typicode.com/posts’) .then(response => response.json()) // convert response to json which is again a promise .then(data => console.log(data)) // get the final required data and do anything with it .catch(error => console.error(error)) // catch error if it occurs in any of above 2 lines of code Here is what…

… function query() { return dynamo.query(this.params, function(err, data){             if(err){ return err.stack; }else{ console.log(“Query Succeeded”); return data.item; } }).Promise(); … Here is what the above code is Doing: 1. It’s creating a new DynamoDB object, and passing in the AWS credentials. 2. It’s creating a new DynamoDB table object, and passing in the table name. 3….

var x = Math.PI * 1.9; var y = Math.PI * 0.1; Math.atan2(Math.sin(x-y), Math.cos(x-y)); // -Math.PI * 0.2 Here is what the above code is Doing: 1. We’re using the atan2 function to calculate the angle between two points. 2. We’re using the sin and cos functions to calculate the x and y components of…

import fs from ‘fs’; const path = ‘./file.txt’; try { if (fs.existsSync(path)) { //file exists } } catch(err) { console.error(err); } Here is what the above code is Doing: 1. We’re importing the fs module. 2. We’re creating a path variable that points to the file we want to check. 3. We’re using the fs.existsSync()…