update nextjs code example

git revert merge commit without message code example javascript get element with focus code example php format %a code example include an html file in a pug file code example how to find the mac address of pc. code example bitwise logical operators python code example bootstrap transpancy code example np array with step code example js get element by class foreach syle code example how to remove element from vector in cpp using index code example how to limit a sql query code example laravel setappends code example