simple-container | minimal PSR-11 compatible Dependency Injection | Dependency Injection library
kandi X-RAY | simple-container Summary
kandi X-RAY | simple-container Summary
A fast and minimal PSR-11 compatible Dependency Injection Container with array-syntax and without auto-wiring.
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Community Discussions
Trending Discussions on simple-container
QUESTION
I'm trying to use Caliburn Micro's built-in EventAggregator
in my WPF project, based on this documentation. But the documentation (as I almost always find it with Caliburn Micro) seems incomplete, i.e. the sample code doesn't contain all implementation requirements.
In particular, I wasn't using an IoC container in my project, and I'm sure I'm missing or misusing some part of its configuration, and that is causing the issue.
The problem:
- I'm getting
NullReferenceException
in theDisplayRootViewFor
method on startup. - I obviously know what a
NullReferenceException
is generally, but I'd like to know how to solve this issue specifically connected to Caliburn Micro's app bootstrapper configuration (and to help other users who could encounter the same problem while trying to do the same thing).
Notes:
- Admittedly, it's unclear to me how the app bootstrapper works, as I always found Caliburn Micro's documentation very hard to follow (compared to MSDN), and I didn't use an IoC container before.
- The
NullReferenceException
is connected to theGetInstance
override method, as if I comment it out, I get the "No parameterless constructor defined for this object" exception. - I already tried the solution in this question, but it didn't seem to make any difference.
Could somebody explain to me why does Caliburn.Micro throw this exception, and how I'm supposed to inject the EventAggregator
to my main viewmodel? (Because trying to pass it as a parameter in DisplayRootViewFor
didn't seem to work.)
My app bootstrapper looks like the following – based on the combination of The Event Aggregator and the Simple IoC Container documentation pages:
...ANSWER
Answered 2017-Apr-06 at 09:25Use the RegisterPerRequest
to register the view model type itself. Try this:
QUESTION
I have cloned this project:
https://github.com/andfanilo/vue-hello-world
and made a dockerfile for it:
...ANSWER
Answered 2020-Jan-02 at 15:25It's all working fine. To access the website you are using 172.17.0.2
which belongs to the initial Docker bridge
network 172.17.0.0/16
. It's a basic network in which all containers are being created if you won't specify any other network.
Because bridge
is a network created on your host machine you can freely access it using direct IP address. But if you will try to access the Vue app through localhost:8080
or 127.0.0.1:8080
you shouldn't be able to connect, as you are using a different network. After adding -p 8080:8080
the behavior should change and an app will be accessible through localhost.
Basically an "outside world" from Docker documentation means a network beyond the ones assigned to the container, so in your case, an "outside world" is anything but 172.17.0.0/16
.
You can read more about container communications here.
QUESTION
Here is my Caliburn.Micro code.
In first step "Configure() / App.xaml.cs" , I want to pass parameters to Constructor.
...ANSWER
Answered 2017-Sep-17 at 20:12The Caliburn.Micro SimpleContainer
implementation does not support constructor injection with additional parameters that can be supplied during resolution. There are other Dependency Injection containers that support that scenario, but you can easily work around this limitation by using the factory pattern.
The following example demonstrates how a CustomerViewModel
needs the customer name as constructor parameter, but also has a dependency on a CustomerDatabase
instance:
Community Discussions, Code Snippets contain sources that include Stack Exchange Network
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