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Determine what attributes were changed in Rails after_save callback?
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There will be some API changes in Rails 5.2. You'll have to do saved_change_to_published? or saved_change_to_published to fetch the change during the callback
– alopez02
Apr 4 '18 at 10:04
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Java executors: how to be notified, without blocking, when a task completes?
... Good pattern, I would however use Guava's listenable future API that provide a very good implementation of it.
– Pierre-Henri
Nov 13 '12 at 20:30
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How to do a Jquery Callback after form submit?
... // tasks to do
});
And things worked perfectly .
See this api documentation for more specific details.
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Suppress command line output
... file system folder. User code can brows this internal name space using an API layer below the usual Win32 API; a good tool to explore the kernel namespace is WinObj from the SysInternals group at Microsoft.
For a complete description of the rules surrounding legal names of files (and devices) in W...
How to override to_json in Rails?
...nation of as_json. As you can see in the ActiveRecord::Serialization docs (api.rubyonrails.org/classes/ActiveRecord/…), there is very little (no) documentation for this. I will give this a try :)
– maček
Apr 4 '10 at 17:53
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How to have stored properties in Swift, the same way I had on Objective-C?
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Associated objects API is a bit cumbersome to use. You can remove most of the boilerplate with a helper class.
public final class ObjectAssociation<T: AnyObject> {
private let policy: objc_AssociationPolicy
/// - Parameter poli...
AngularJS - How can I do a redirect with a full page load?
... reload the page or navigate to a different page, please use a lower level API: $window.location.href.
See:
https://docs.angularjs.org/guide/$location
https://docs.angularjs.org/api/ng/service/$location
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What is the canonical way to determine commandline vs. http execution of a PHP script?
...rns out this is populated, even when using the 'Apache 2.0 Handler' server API.
5 Answers
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Type definition in object literal in TypeScript
...tal null/undefined access:
const state = {
instance: null as null | ApiService,
// OR
// instance: undefined as undefined | ApiService,
};
const useApi = () => {
// If I try to use it here, the type system requires a safe way to access it
// Simple lazy-initialization
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What is the difference between C++ and Visual C++? [duplicate]
...for developing and debugging C++ code, especially code written for Windows API, DirectX and .NET Framework.
So the main difference between them is that they are different things. The former is a programming language, while the latter is a commercial integrated development environment (IDE).
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