词汇：migration
n. 移动；迁移；移民
相关场景
- But as you can see here, it adds a handful of migrations, one for users, and one for sessions! So, we're gonna run rails db:migrate again!>> Rails 8.0.1 You are in good company
- So, let's run the migration for that, that sets up the comments table. You can see here the schema that we've now built up. We've added a number of tables for action text and action storage. And then, we have added a comments table. That's what you can see here. As we had it in the migration where we were just referencing the post as a foreign key, and then we had the content as text.>> Rails 8.0.1 You are in good company
- Alright! Now let's add some comments to our blogging system! And I'm gonna use a different generator here,I'm gonna use a resource generator that is a little lighter than the one we were using for scaffold that doesn't generate a bunch of views, and doesn't generate all sorts of actions in the controller by default, but it does generate the new model that we need the comment model, it generates a migration for that, create comments ,and it generates just some empty placeholders for the comments controller and for the view action.>> Rails 8.0.1 You are in good company
- Active Storage is a way to deal with attachments and other files in your Rails application. When you run it through action_text:install, it'll automatically set up those active storage tables that we need, there is one for blob,and then we have one for text here.We run migrations to set that up again, and now that we've run action_text:install, it also added a couple of gems, so we need to restart our development server. I do that just by exiting out and just running the server again!>> Rails 8.0.1 You are in good company
- That post is just going to have a title that's string and a body that's a text, and as you can see here from what's being generated, we have everything that we need to set up a basic interface for that scaffold. There is a migration that'll set things up in the database. There is a controller, there are views, there's a model, there's even testing stubs and adjacent API on top. So let's run that migration, and as you can see here, we created the posts in the main schema file, and now, we're ready to have a look at the application that was generated here with the post scaffold.>> Rails 8.0.1 You are in good company
- "I believe that for his escape he took advantage" "of the migration of a flock of wild birds?" No, no!>> 小王子 2015 The Little Prince Movie Script
- OFF Gordy, having heard the announcement -88 EXT. PAN AMERICAN HIGHWAY (PANAMA) - DAY The highway terminates here, far short of Colombia. The idea is to inhibit the northbound migration of people anddrugs. From this point south lies the Darien Gap, athick rain forest traversed only by rough trail.>> 间接伤害 Collateral Damage Movie Script
- Terribly disappointed, we head for the plains where it rained during the night, hoping to catch up with the migration.>> 狂野非洲 African Safari Movie Script
- About two million animals take part in the migration from the Masai Mara region in Kenya to the Serengeti in Tanzania following the rain in a big circular motion.>> 狂野非洲 African Safari Movie Script
- A sure sign that the first wave of the great migration has already arrived to this part of the Serengeti.>> 狂野非洲 African Safari Movie Script
- But the short-rain season has come early in the East African plains and we are anxious to head to the Serengeti for a chance to see the herds of the great migration.>> 狂野非洲 African Safari Movie Script
- In a Great Migration, millions of Southern blacks moved north to the cities.>> 希拉里的美国：民主党的秘密历史Hillary's America: The Secret History of the Democratic Party Movie Script