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rails time_ago_in_words翻译中文

rails https skip ssl verify_mode 四种模式介绍

rails haml data-aa-bb属性以及换行

rails console打印实例变量 attr_reader attr_writer attr_accessor instance_variable_get

rails 中间表 paginate

rails rake 传参

rails hash key from quotes to sym

Rails add link inside flash notice

rails 2 ActiveRecord::Base.connection.instance_variable_set :@logger, Logger.new(STDOUT)>> ActiveRecord::Base.connection.instance_variable_set :@logger, Logger.new(STDOUT)=> #<Logger:0xdeaf620 @progname=nil, @logdev=#<Logger::LogDevice:0.

启动报错/vendor/bundle/ruby/1.8/gems/activesupport-2.3.4/lib/active_support/dependencies.rb:440:in `load_missing_constant’:NameError: uninitialized constant MysqlCompat::MysqlRes环境ruby 1.8rails 2.3mysql 5.5.68-MariaDBgem -> mysql 2.8.1gem -> acti

Socket.gethostbyname method is deprecated and instead by getnameinfoa = Socket.gethostbyname("66.249.64.119");res = Socket.gethostbyaddr(a[3], a[2]);#=>["crawl-66-249-64-119.googlebot.com", ["11...

风险描述跨站脚本攻击（XSS, Cross Site Script）通常指黑客通过“HTML注入”篡改了网页，插入恶意脚本，从而在用户浏览网页时，控制用户浏览器的一种攻击。XSS漏洞可被用于用户身份窃取（特别是管理员）、行为劫持、挂马、蠕虫、钓鱼等。XSS是目前客户端Web安全中最重要的漏洞。1）窃取窃取会话cookie并接管各类用户帐号，如机器登录帐号、用户网银帐号、各类管理员帐号；2）...

RAILS CONSOLE sql 操作2.0.0-p648 :001 &amp;amp;amp;gt; a = ActiveRecord::Base.connection.execute &amp;amp;quot;select question_id from answers group by question_id order by count(question_id) desc limit 10&amp;amp;quot;2.0.0-p648 :002 &am