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ActiveRecord, has_many :through, and Polymorphic Associations
...ource_type for the relationship you're trying to define.
This fix to the Widget model should allow you do exactly what you're looking for.
class Widget < ActiveRecord::Base
has_many :widget_groupings
has_many :people, :through => :widget_groupings, :source => :grouper, :source_type =...
What's the difference between Jetty and Netty?
... '17 at 10:26
I am the Most Stupid Person
1,90533 gold badges1717 silver badges3939 bronze badges
answered Mar 22 '11 at 4:21
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Asynchronous Process inside a javascript for loop [duplicate]
... Would it be wrong to increment a counter and then check if it equals j inside the asynchronous function?
– Jake 1986
Jun 30 '17 at 14:13
1
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What does a double * (splat) operator do
...ures all keyword arguments (which can also be a simple hash, which was the idiomatic way to emulate keyword arguments before they became part of the Ruby language)
def my_method(**options)
puts options.inspect
end
my_method(key: "value")
The above code prints {key:value} to the console.
Just ...
Github (SSH) via public WIFI, port 22 blocked
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@prtitrz any idea what's the config for heroku?
– Alextoul
Sep 11 '12 at 10:33
33
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How to output a comma delimited list in jinja python template?
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This gives a trailing comma, how do I get rid of that?
– Jonathan
Nov 17 '17 at 19:12
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How to set the holo dark theme in a Android app?
...
change parent="android:Theme.Holo.Dark"
to parent="android:Theme.Holo"
The holo dark theme is called Holo
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PHP $_SERVER['HTTP_HOST'] vs. $_SERVER['SERVER_NAME'], am I understanding the man pages correctly?
...dn't use anything in any attribute without escaping with htmlspecialchars($string, ENT_QUOTES), so there's nothing special about server variables there.
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TypeScript or JavaScript type casting
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This answer does no longer provide the full picture of type assertion in typescript, whereas Alex's answer gives a more complete picture, and should be the accepted answer.
– Kristoffer Dorph
Jan 5 '17 at 9:20
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datatrigger on enum to change image
...th the xmlns prefix you defined above.
Edit:
If your Enum is declared inside a class you need to use the syntax:
{x:Static namespace:ClassName+EnumName.EnumValue}
for example:
{x:Static my:ConfigurationViewModel+PingStatus.PING_UNKNOWN}
...