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What is meant by Scala's path-dependent types?
...while occupied's type is Set[b1.Coordinate]. Note that one can use another identifier with the same type of b1, so it is not the identifier b1 that is associated with the type. For example, the following works:
val b3: b1.type = b1
val c3 = b3.Coordinate(10, 10)
b1.occupied += c3
...
jQuery callback for multiple ajax calls
..., glad it helped! I got kinda carried away with it :P still have some more ideas for it. I plan to update it to where you don't have to specify a number of requests on initialization.
– subhaze
Dec 6 '10 at 20:19
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How to wait for 2 seconds?
...onfusing this with WAITFOR TIME, but it also works for WAITFOR DELAY.
Considerations for passing DATETIME:
It must be passed as a variable, so it isn't a nice one-liner anymore.
The delay is measured as the time since the Epoch ('1900-01-01').
For situations that require a variable amount of dela...
The Role Manager feature has not been enabled
...onfig and now you should have at least one <providers> tag inside Profile, Membership, SessionState tags and also inside the new RoleManager tag, like this:
<roleManager defaultProvider="DefaultRoleProvider">
<providers>
<add name="DefaultRoleProvider" type="System.W...
How to find the key of the largest value hash?
...
I did this today on a similar problem and ended up with this:
hash = { "CA"=>2, "MI"=>1, "NY"=>1 }
hash.invert.max&.last
=> "CA"
For Ruby less than 2.3 you can replace &.last with .try(:last)
Either one ...
Delete a closed pull request from GitHub
I accidentally made a wrong pull request and ended up closing the request myself. It's in a closed state right now but it's accessible via direct URL and showing on my activity bar.
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In Objective-C, what is the equivalent of Java's “instanceof” keyword?
... ([myObject class] == [MyClass class])
but not by using directly MyClass identifier.
Similarily, you can find if the object is of a subclass of your class with:
if ([myObject isKindOfClass:[AnObject class]])
as suggested by Jon Skeet and zoul.
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How Do I Hide wpf datagrid row selector
I'm using the WPF DataGrid control to show some details and a select button, and I don't need the gray selector column down the left-hand side. It's also ruining the beauty of my design.
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Convert nested Python dict to object?
...gt;> s.b
{'c': 2}
>>> s.c
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
AttributeError: 'MyStruct' object has no attribute 'c'
>>> s.d
['hi']
The alternative (original answer contents) is:
class Struct:
def __init__(self, **entries):...
Math functions in AngularJS bindings
...Which is probably what someone who wants to do math in their html template files wants.
– Lan
Jul 2 '15 at 14:04
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