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Rails: how do I validate that something is a boolean?
...ion_of :field_name, :in => [true, false]
From an older version of the API: "This is due to the way Object#blank? handles boolean values. false.blank? # => true"
I'm not sure if this will still be fine for Rails 3 though, hope that helped!
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How do you manually execute SQL commands in Ruby On Rails using NuoDB
...nnection without calling ActiveRecord::Base.clear_active_connections!. See api.rubyonrails.org/v5.2/classes/ActiveRecord/…
– eremite
Jun 29 '18 at 18:08
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AngularJS toggle class using ng-class
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It's from jqLite. For more docs.angularjs.org/api/ng/function/angular.element
– Ruhul Amin
Aug 16 '16 at 9:13
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Using vagrant to run virtual machines with desktop environment
...step 3 code needs to be contained within the Vagrant.configure(VAGRANTFILE_API_VERSION) do |config| ... done method of the Vagrantfile.
– neontapir
Aug 5 '14 at 22:54
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iOS 7 style Blur view
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Really? On which grounds? It's not using any private API, and if all innovative ways of doing things would be rejected a lot of effects would not be possible ...
– TheEye
Feb 24 '14 at 14:22
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How do I determine the size of my array in C?
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For Windows API programming in C or C++, there is the ARRAYSIZE makro defined in WinNT.h (which gets pulled in by other headers). So WinAPI users don't need to define their own makro.
– Lumi
Apr 23 ...
Increment a database field by 1
...nsert into logins (username, password) values ('user','pass');
The MySQL API has functions to tell you what userid was created when you execute this statement in client code.
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How to print a date in a regular format?
...l long the way. They got thousand of useful methods and most of the Python API expect dates to be objects.
When you want to display them, just use str(). In Python, the good practice is to explicitly cast everything. So just when it's time to print, get a string representation of your date using str...
How to see if an object is an array without using reflection?
...s saying down below. My solution uses pure linguistic construct instead of API call.
– polygenelubricants
Apr 28 '10 at 8:38
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How can I merge properties of two JavaScript objects dynamically?
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jQuery also has a utility for this: http://api.jquery.com/jQuery.extend/.
Taken from the jQuery documentation:
// Merge options object into settings object
var settings = { validate: false, limit: 5, name: "foo" };
var options = { validate: true, name: "bar" };
jQu...