Sidekiq jobs can be enqueued or scheduled. Enqueued means that they are gonna be picked up as soon as possible, scheduled jobs will be enqueued at some specific time.
When using ActiveJobs, Rails will return a job_id after sending the job to ActiveJobs
job = UserMailer.send_invite(params).deliver_later
| http://stackoverflow.com/questions/22667401/postgres-json-data-type-rails-query | |
| http://stackoverflow.com/questions/40702813/query-on-postgres-json-array-field-in-rails | |
| #payload: [{"kind"=>"person"}] | |
| Segment.where("payload @> ?", [{kind: "person"}].to_json) | |
| #data: {"interest"=>["music", "movies", "programming"]} | |
| Segment.where("data @> ?", {"interest": ["music", "movies", "programming"]}.to_json) | |
| Segment.where("data #>> '{interest, 1}' = 'movies' ") | |
| Segment.where("jsonb_array_length(data->'interest') > 1") |
| ### Nginx ### | |
| check process nginx with pidfile /run/nginx.pid | |
| start program = "/usr/sbin/service nginx start" | |
| stop program = "/usr/sbin/service nginx stop" | |
| if cpu > 60% for 2 cycles then alert | |
| if cpu > 80% for 5 cycles then restart | |
| if memory usage > 80% for 5 cycles then restart | |
| if failed host 127.0.0.1 port 80 protocol http | |
| then restart | |
| if 3 restarts within 5 cycles then timeout |
| Простой вопрос по HTML5 | |
| Правильный ответ | |
| Неправильный ответ | |
| Еще один неправильный ответ |
| miheykrug=# CREATE DATABASE test_guru; | |
| CREATE DATABASE | |
| miheykrug=# \c test_guru | |
| Вы подключены к базе данных "test_guru" как пользователь "miheykrug". | |
| test_guru=# CREATE TABLE categories ( | |
| id serial PRIMARY KEY, | |
| title varchar(25) NOT NULL | |
| ); |
| GET /anything HTTP/1.1 | |
| Host: httpbin.org | |
| HTTP/1.1 200 OK | |
| Connection: keep-alive | |
| Server: meinheld/0.6.1 | |
| Date: Sun, 25 Feb 2018 17:05:25 GMT | |
| Content-Type: application/json | |
| Access-Control-Allow-Origin: * | |
| Access-Control-Allow-Credentials: true |