kareemsuhail

// this gist is for eng.adnan about jwt 
// first of all use this packge jsonwebtoken
// you can download it simply by typing this in your cmd :
//npm install jsonwebtoken 
// ==========================//
// how to create tokens (login)

var user = await User.findOne({email:data.email}).exec(); //get user from database by email
        if(user.validatePassword(data.password)){  // check password 
            var Token = jwt.sign({_id:user._id},  // generate token for and storing user id and expiration period 

kareemsuhail

def firstNonRepeatingLetter(word):
    for char in word:
        if word.lower().count(char.lower()) == 1 :
            return char
    return ""
# manuel Testing
print(firstNonRepeatingLetter("sTreSS"))
print(firstNonRepeatingLetter("sdasddd"))
print(firstNonRepeatingLetter("wWw"))