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delete_all vs destroy_all?
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You are right. If you want to delete the User and all associated objects -> destroy_all
However, if you just want to delete the User without suppressing all associated objects -> delete_all
According to this post : Rails :dependent =...
How to suppress GCC warnings from library headers?
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If you're trying to do this in XCode then stick -isystem path into your "other C++ flags" in the "custom compiler flags" in your target build settings.
– Matt Parkins
Dec 11 '13 at 12:08...
Is there a way to measure how sorted a list is?
...Wikipedia:
Formally, let A(1), A(2), ..., A(n) be a sequence of n numbers.If i < j and A(i) > A(j), then the pair (i,j) is called an inversion of A.
The inversion number of a sequence is one common measure of its sortedness.Formally, the inversion number is defined to be the number of inversi...
Set operations (union, intersection) on Swift array?
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Yes, Swift has the Set class.
let array1 = ["a", "b", "c"]
let array2 = ["a", "b", "d"]
let set1:Set<String> = Set(array1)
let set2:Set<String> = Set(array2)
Swift 3.0+ can do operations on sets as:
firstSet.union(s...
Error: 10 $digest() iterations reached. Aborting! with dynamic sortby predicate
...p, which causes the 'Error: 10 $digest() iterations reached. Aborting!').
If you want to update the model, do it on the Controller or on a Directive, never on the view. angularjs documentation recommends not to use the ng-init exactly to avoid these kinds of situations:
Use ngInit directive in ...
How to send parameters from a notification-click to an activity?
I can find a way to send parameters to my activity from my notification.
13 Answers
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Create a new Ruby on Rails application using MySQL instead of SQLite
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If you already have a rails project, change the adapter in the config/database.yml file to mysql and make sure you specify a valid username and password, and optionally, a socket:
development:
adapter: mysql2
database: d...
Google Maps zoom control is messed up
...14 and zoom controls will look fine again. To avoid such bugs use more specific selectors in your CSS.
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Bootstrap 3 collapsed menu doesn't close on click
...matically the "collapse" class. You don't need any additional jquery code. If you have such behaviour, it means something is wrong in your html code (for my part I was including twice jquery and bootstrap, see the answer of @raisercostin).
– RomOne
Feb 15 '17 a...
Viewing my IIS hosted site on other machines on my network
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If it still doesn't work, then you can Turn off the firewall itself, at least for development environment.
– USER_NAME
May 3 '15 at 20:11
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