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Ruby on Rails generates model field:type - what are the options for field:type?
... |t|
t.references :car
t.timestamps
end
end
def self.down
drop_table :wheels
end
end
When you run the migration, the following will end up in your db/schema.rb:
$ rake db:migrate
create_table "wheels", :force => true do |t|
t.integer "car_id"
t.datetime "creat...
Can't connect to local MySQL server through socket '/var/mysql/mysql.sock' (38)
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To prevent the problem from occurring, you must perform a graceful shutdown of the server from the command line rather than powering off the server.
shutdown -h now
This will stop the running services before powering down the machine.
Based on Centos, an additional method for getting it back...
Should sorting logic be placed in the model, the view, or the controller? [closed]
I have a drop down list that displays values from a table to the end user. I would like to have these values be sorted alphabetically.
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How to add a delay for a 2 or 3 seconds [closed]
...waitable but if I "hang" I can work for 10 seconds before my stuff is shut down. Sleeping 2 secs works like a charm ;) So in some cases this is the way.
– ecth
Jan 19 '16 at 13:11
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Java EE web development, where do I start and what skills do I need? [closed]
...cover scriptlets should be skipped as they will definitely take you into a downward spiral of learning bad practices.
Here on Stack Overflow, you can also find nice wiki pages about JSP, Servlets, JSTL and EL where you can learn the essentials and find more useful links.
Tomcat seems to be a good ...
Is it possible to force ignore the :hover pseudoclass for iPhone/iPad users?
... with this class:
.no-touch a:hover { /* hover styles here */ }
You can download a custom Modernizr build to include as few or as many feature detections as you need.
Here's an example of some classes that may be applied:
<html class="js no-touch postmessage history multiplebgs
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What .NET collection provides the fastest search
...generating I prefer to store the generated one the first time, why to slow down the constructor with something you don't know if it will be used?
– jmservera
Jun 17 '09 at 20:48
8
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How to edit data in result grid in SQL Server Management Studio
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I don't see why people voted your answer down. Its actually correct. Once you use a join in your query, you cannot edit the results using the methods suggested in any of the answers so far. +1 from me.
– Francis Rodgers
Feb 28 ...
How can I generate a list of files with their absolute path in Linux?
...mand does not give me the absolute path of the file I, while other answers down on the list does the job.
– Bjørn Otto Vasbotten
Sep 13 '12 at 9:09
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UITableView row animation duration and completion callback
...wAnimation does not seem to be respected and always appears to animate top down, even when I specify, for example UITableViewRowAnimationLeft. Testing on iOS 8.4 - anybody have a solution?
– Danny
Jul 22 '15 at 4:02
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