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Is there any kind of hash code function in JavaScript?
...m trying to create an object of unique objects, a set. I had the brilliant idea of just using a JavaScript object with objects for the property names. Such as,
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How exactly to use Notification.Builder
... so we can use this to support API level v4 and up:
http://developer.android.com/reference/android/support/v4/app/NotificationCompat.Builder.html
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How do I automatically sort a has_many relationship in Rails?
... belongs_to :class
default_scope :order => 'name'
end
Then if you call
@students = @class.students
They will be ordered as per your default_scope. TBH in a very general sense ordering is the only really good use of default scopes.
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Postgres: “ERROR: cached plan must not change result type”
..., with Ruby on Rails 3.1-pre5. It seems like this should be handle automatically by ActiveRecord, no?
– docwhat
Aug 7 '11 at 17:49
3
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Possible to make labels appear when hovering over a point in matplotlib?
...ingErnest this is a great code, but when hovering and moving on a point it calls fig.canvas.draw_idle() many times (it even changes the cursor to idle). I solved it storing the previous index and checking if ind["ind"][0] == prev_ind. Then only update if you move from one point to another (update te...
How to Test a Concern in Rails
...able to do things like test the validity of objects or invoke ActiveRecord callbacks unless you set up the database accordingly (because your dummy class won't have a database table backing it). Moreover, you'll want to not only test the concern but also test the concern's behavior inside your model...
Swift equivalent for MIN and MAX macros
...nt = max(5, 12) // returns 12
Also note that there are other functions called max(_:_:_:_:) and min(_:_:_:_:) that allows you to compare even more parameters. max(_:_:_:_:) has the following declaration:
func max<T>(_ x: T, _ y: T, _ z: T, _ rest: T...) -> T where T : Comparable
You ...
Access parent DataContext from DataTemplate
...e this exact code in my project but it's leaking ViewModels (Finalizer not called, Command binding seems to retain DataContext). Can you verify that this issue exists for you as well?
– Joris Weimar
Jan 22 '13 at 11:05
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Disabling Strict Standards in PHP 5.4
...t the top of the PHP section of any script that gets loaded from a browser call:
error_reporting(E_ALL & ~E_STRICT & ~E_NOTICE);
One of those should help you be able to use the software. The notices and strict stuff are indicators of problems or potential problems though and you may find ...
Exit a Script On Error
...d your script below....
# If an error occurs, the abort() function will be called.
#----------------------------------------------------------
# ===> Your script goes here
# Done!
trap : 0
echo >&2 '
************
*** DONE ***
************
'
...