java, javascript, php, jquery, android, python, html, css, sql, ios, mysql, arrays, .net, asp.net, objective-c, iphone, sql-server, ruby-on-rails, regex, ruby, json, string, angularjs, ajax, linux, asp.net-mvc, xml, database, swift, wpf, node.js, bash, django, multithreading, xcode, algorithm, windows, excel, html5, list, vb.net, eclipse, oracle, performance, linq, spring, forms, winforms, git, perl, codes