mingliangfeng · May 1, 2019 01:24
diff --git a/controllers.rb b/controllers.rb
 # render empty page from controller
 render :nothing => true, :status => 200, :content_type => 'text/html'
diff --git a/delayed_job.rb b/delayed_job.rb
 # manually call a job
 Delayed::Job.find(10).invoke_job # 10 is the job.id
diff --git a/rake.sh b/rake.sh
 # prepare test database
 rake db:test:prepare
diff --git a/rake_lines.rb b/rake_lines.rb
 # find which line of code defines a rake task
 > rails c

 > require 'rake'
 > Rake::TaskManager.record_task_metadata=true
 > Rake.application.load 'Rakefile'
 > tsk = Rake.application.tasks.each.find {|t| t.name == 'my_task_name'}
 > tsk.locations
	# render empty page from controller
	render :nothing => true, :status => 200, :content_type => 'text/html'
	# manually call a job
	Delayed::Job.find(10).invoke_job # 10 is the job.id
	# find which line of code defines a rake task
	> rails c

	> require 'rake'
	> Rake::TaskManager.record_task_metadata=true
	> Rake.application.load 'Rakefile'
	> tsk = Rake.application.tasks.each.find {\|t\| t.name == 'my_task_name'}
	> tsk.locations