• Nov 19, 2022 •CodeCatch
0 likes • 5 views
function Welcome(props) { return <h1>Hello, {props.name}</h1>; } function App() { return ( <div> <Welcome name="Sara" /> <Welcome name="Cahal" /> <Welcome name="Edite" /> </div> ); } ReactDOM.render( <App />, document.getElementById('root') );
• Sep 13, 2023 •C S
0 likes • 14 views
/** * @param {number[]} nums * @return {number[]} */ var productExceptSelf = function(nums) { var output = []; var leftMult = 1; var rightMult = 1; for (var i=nums.length - 1; i >= 0; i--) { output[i] = rightMult; rightMult *= nums[i]; console.log({output: JSON.stringify(output), i}) } for (var j=0; j < nums.length; j++) { output[j] *= leftMult; leftMult *= nums[j]; console.log({output: JSON.stringify(output), j}) } return output; }; console.log(productExceptSelf([1, 2, 3, 4]))
• Mar 11, 2021 •C S
0 likes • 8 views
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" }); } });
0 likes • 3 views
const celsiusToFahrenheit = (celsius) => celsius * 9/5 + 32; const fahrenheitToCelsius = (fahrenheit) => (fahrenheit - 32) * 5/9; // Examples celsiusToFahrenheit(15); // 59 celsiusToFahrenheit(0); // 32 celsiusToFahrenheit(-20); // -4 fahrenheitToCelsius(59); // 15 fahrenheitToCelsius(32); // 0
// Time Complexity : O(N) // Space Complexity : O(1) var isMonotonic = function(nums) { let isMono = null; for(let i = 1; i < nums.length; i++) { if(isMono === null) { if(nums[i - 1] < nums[i]) isMono = 0; else if(nums[i - 1] > nums[i]) isMono = 1; continue; } if(nums[i - 1] < nums[i] && isMono !== 0) { return false; } else if(nums[i - 1] > nums[i] && isMono !== 1) { return false; } } return true; }; let nums1 = [1,2,2,3] let nums2 = [6,5,4,4] let nums3 = [1,3,2] console.log(isMonotonic(nums1)); console.log(isMonotonic(nums2)); console.log(isMonotonic(nums3));
• Jan 17, 2021 •C S
0 likes • 1 view
const getSearchTerm = delimiter => { let searchTerm = ""; for (let i = 1; i < commands.length - 1; i++) searchTerm = searchTerm + commands[i] + delimiter; searchTerm += commands[commands.length - 1]; return searchTerm; };