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How to display unique records from a has_many through relationship?
...through => :orders, :uniq => true is deprecated. Instead, you should now write has_many :products, -> { distinct }, through: :orders. See the distinct section for has_many: :through relationships on the ActiveRecord Associations documentation for more information. Thanks to Kurt Mueller fo...
After array_filter(), how can I reset the keys to go in numerical order starting at 0
...ray_filter to remove entries that had only the value '' from an array, and now I want to apply certain transformations on it depending on the placeholder starting from 0, but unfortunately it still retains the original index. I looked for a while and couldn't see anything, perhaps I just missed the...
Should I use `this` or `$scope`?
...it not a good idea.
I'd use $scope, for clarity's sake.
UPDATE
There is now the 'controller as' syntax, discussed here. I am not a fan, but now that it's a more 'official' AngularJS construct it deserves some attention.
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How to format strings using printf() to get equal length in the output?
... of whatever length the two strings header1 and header2 may have.
I don't know if all implementations have the %n but Solaris and Linux do.
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Elegant way to invert a map in Scala
... different keys associated with same values. So, if you are interested in knowing all the keys, here's the code:
scala> val m = Map(1 -> "a", 2 -> "b", 4 -> "b")
scala> m.groupBy(_._2).mapValues(_.keys)
res0: Map[String,Iterable[Int]] = Map(b -> Set(2, 4), a -> Set(1))
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How to generate UML diagrams (especially sequence diagrams) from Java code?
...id, then install GEF from download.eclipse.org/tools/gef/updates/releases Now copy-paste licence from email to Window->Preferences->ObjectAid How to create diagram? objectaid.com/class-diagram
– rluks
Apr 5 '13 at 22:01
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How can I launch multiple instances of MonoDevelop on the Mac?
... Update to the checkbox label in case someone find this, it now says "Close current workspace"
– Tiago
Feb 23 '12 at 14:20
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What is the best way to detect a mobile device?
...ackberry|iemobile|opera mini/i.test(navigator.userAgent.toLowerCase()));
Now $.browser will return "device" for all above devices
Note: $.browser removed on jQuery v1.9.1. But you can use this by using jQuery migration plugin Code
A more thorough version:
var isMobile = false; //initiate as f...
What are the typical reasons Javascript developed on Firefox fails on IE? [closed]
... on recent Firefox and Safari. I missed to check in Internet Explorer, and now I find the pages don't work on IE 6 and 7 (so far). The scripts are somehow not executed, the pages show as if javascript wasn't there, although some javascript is executed. I am using own libraries with dom manipulation,...
Notepad++ show open files on the left
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I think the Window Manager plugin has now been integrated into Notepad++ (or at least the same functionality has). In Preferences -> General, check "Show" in the "Document List Panel" area. EDIT: And now I see that the next answer (which has many more votes) ...