update command on centos code example

var x? = 5 swift code example to find version of tensorflow package code example dart create an list and add values code example pop from mongoose array nodejs code example flush priveleges mysql code example hovor css code example tag.name bs4 code example how to use methods on an object java code example java get all alphabets code example regex javascript match any number in string code example javascript prevent default code example hide and show characters in string c# code example