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const euclideanDistance = (a, b) =>Math.hypot(...Object.keys(a).map(k => b[k] - a[k]));euclideanDistance([1, 1], [2, 3]); // ~2.2361euclideanDistance([1, 1, 1], [2, 3, 2]); // ~2.4495
import { createSlice } from "@reduxjs/toolkit";const alert = createSlice({name: "alert",initialState: {msg: "",status: "",},reducers: {set_alert: (state, action) => {return {...state,msg: action.payload.msg,status: action.payload.status,};},clear_alert: (state, action) => {return {...state,msg: "",status: "",};},},});export default alert.reducer;const { set_alert, clear_alert } = alert.actions;export const setAlert = (msg, status) => dispatch => {dispatch(set_alert({ msg, status }));setTimeout(() => dispatch(clear_alert()), 4000);};export const clearAlert = () => dispatch => {dispatch(clear_alert());};
//JavaScript program to swap two variables//take input from the userslet a = prompt('Enter the first variable: ');let b = prompt('Enter the second variable: ');// XOR operatora = a ^ bb = a ^ ba = a ^ bconsole.log(`The value of a after swapping: ${a}`);console.log(`The value of b after swapping: ${b}`);
router.post("/", async (req, res) => {const { email, password } = req.body;try {if (!email) return res.status(400).json({ msg: "An email is required" });if (!password)return res.status(400).json({ msg: "A password is required" });const user = await User.findOne({ email }).select("_id password");if (!user) return res.status(400).json({ msg: "Invalid credentials" });const match = await bcrypt.compare(password, user.password);if (!match) return res.status(400).json({ msg: "Invalid credentials" });const accessToken = genAccessToken({ id: user._id });const refreshToken = genRefreshToken({ id: user._id });res.cookie("token", refreshToken, {expires: new Date(Date.now() + 604800),httpOnly: true,});res.json({ accessToken });} catch (err) {console.log(err.message);res.status(500).json({ msg: "Error logging in user" });}});
let nums = [1,2,3,1]var containsDuplicate = function(nums) {let obj = {};for(let i =0; i< nums.length; i++){if(obj[nums[i]]){obj[nums[i]] += 1;return true;}else{obj[nums[i]] = 1;}}return false;};console.log(containsDuplicate(nums));
alert("bruh")