What is rake in Ruby on Rails?

Rake is Ruby Make, a standalone Ruby utility that replaces the Unix utility ‘make’, and uses a ‘Rakefile’ and . rake files to build up a list of tasks. In Rails, Rake is used for common administration tasks, especially sophisticated ones that build off of each other.

How do I drop a column in migration?

1. Remove Column using Migration. use IlluminateSupportFacadesSchema; use IlluminateDatabaseSchemaBlueprint; …
2. Remove Multiple Column using Migration. use IlluminateSupportFacadesSchema; use IlluminateDatabaseSchemaBlueprint; …
3. Remove Column If Exists using Migration.

What does a Rakefile do? It allows you to use ruby code to define “tasks” that can be run in the command line. Rake can be downloaded and included in ruby projects as a ruby gem. Once installed, you define tasks in a file named “Rakefile” that you add to your project.

In respect to this What is bundle exec?

bundle exec is a Bundler command to execute a script in the context of the current bundle (the one from your directory’s Gemfile). rake db:migrate is the script where db is the namespace and migrate is the task name defined.

What is difference between rake and Rails?

But rake is more useful than just running existing tasks, we can also write our own tasks in rails, those tasks should live in lib/tasks. But also Rake allows us to run multiple tasks in a single line, executing tasks one by one.

What is PHP artisan migrate? In short, migrations are files which contain a class definition with both an up() and a down() method. … The up() method is run when the migration is executed to apply changes to the database. The down() method is run to revert the changes.

What is unsigned in laravel? Unsigned type can be used to permit only nonnegative numbers in a column or when you need a larger upper numeric range for the column. For example, if an INT column is UNSIGNED, the size of the column’s range is the same but its endpoints shift from -2147483648 and 2147483647 up to 0 and 4294967295.

How do I drop a column in SQL? SQL Drop Column Syntax

1. ALTER TABLE “table_name” DROP “column_name”;
2. ALTER TABLE “table_name” DROP COLUMN “column_name”;
3. ALTER TABLE Customer DROP Birth_Date;
4. ALTER TABLE Customer DROP COLUMN Birth_Date;
5. ALTER TABLE Customer DROP COLUMN Birth_Date;

What is rake in chef?

Rake is a software task management and build automation tool created by Jim Weirich. It allows the user to specify tasks and describe dependencies as well as to group tasks in a namespace.

What are Ruby rake tasks? Rake is a popular task runner for Ruby and Rails applications. For example, Rails provides the predefined Rake tasks for creating databases, running migrations, and performing tests. You can also create custom tasks to automate specific actions – run code analysis tools, backup databases, and so on.

How do I run a .rake file?

How to run rake? To run a rake task, just call the rake command with the name of your task. Don’t forget to include your namespaces when you have them.

What is bundler in Ruby? Bundler provides a consistent environment for Ruby projects by tracking and installing the exact gems and versions that are needed. Bundler is an exit from dependency hell, and ensures that the gems you need are present in development, staging, and production. Starting work on a project is as simple as bundle install .

Is bundle exec necessary?

Running bundle exec and Bundler. require at the same time is not a problem, so it’s safe to use bundle exec even when not needed as long as there’s a Gemfile in that directory, it won’t activate gems twice.

How do you run a bundler?

Setting up Bundler

1. Open a terminal window and run the following command: …
2. Navigate to your project root directory.
3. Install all of the required gems from your specified sources: …
4. Inside your app, load up the bundled environment: …
5. Run an executable that comes with a gem in your bundle:

How do I run a rake task? Go to Websites & Domains and click Ruby. After gems installation you can try to run a Rake task by clicking Run rake task. In the opened dialog, you can provide some parameters and click OK – this will be equivalent to running the rake utility with the specified parameters in the command line.

Is rake part of Ruby? Rake is a software task management and build automation tool created by Jim Weirich. It allows the user to specify tasks and describe dependencies as well as to group tasks in a namespace. It is similar in to SCons and Make. … Rake is now part of the standard library of Ruby from version 1.9 onward.

When would you use a rake task?

Rake is a popular task runner for Ruby and Rails applications. For example, Rails provides the predefined Rake tasks for creating databases, running migrations, and performing tests. You can also create custom tasks to automate specific actions – run code analysis tools, backup databases, and so on.

What is factory Laravel? Laravel 5.1 comes with a feature called model factories that are designed to allow you to quickly build out “fake” models. These have several use cases with the two biggest being–testing and database seeding. Let’s take a deeper look at this feature by building out the beginning of a little fictional app.

What is Laravel database seed?

Laravel includes the ability to seed your database with data using seed classes. All seed classes are stored in the database/seeders directory. By default, a DatabaseSeeder class is defined for you. From this class, you may use the call method to run other seed classes, allowing you to control the seeding order.

What is Laravel migration? What is Laravel Migration? Laravel Migration is an essential feature in Laravel that allows you to create a table in your database. It allows you to modify and share the application’s database schema. You can modify the table by adding a new column or deleting an existing column.

What is middleware in laravel?

Middleware provide a convenient mechanism for inspecting and filtering HTTP requests entering your application. For example, Laravel includes a middleware that verifies the user of your application is authenticated. … All of these middleware are located in the app/Http/Middleware directory.

What is enum in laravel? Laravel Enum is a package by Ben Sampson that adds support for creating enums in PHP and includes a generator for Laravel. Here’s an example of what an Enum class looks like using this package: 3namespace AppEnums; 5use BenSampoEnumEnum; 7final class UserType extends Enum.

What is migration in laravel?

What is Laravel Migration? Laravel Migration is an essential feature in Laravel that allows you to create a table in your database. It allows you to modify and share the application’s database schema. You can modify the table by adding a new column or deleting an existing column.

Don’t forget to share this post 💫