samplecontroller | a demo of how to run a python custom controller | Model View Controller library
kandi X-RAY | samplecontroller Summary
kandi X-RAY | samplecontroller Summary
This is a simple controller to demonstrate how to interact within kubernetes using python api and custom resource definitions.
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samplecontroller Examples and Code Snippets
Community Discussions
Trending Discussions on samplecontroller
QUESTION
I have two questions about Spring Data JPA
.
1st: How to avoid @PathVariable
mistakingly recognizing a part of url as a parameter?
The first one is the code about this question. When I try to access "/sample/insert/", the url is handled as "/sample/{id}/" and I get the error which says like " String 'insert' cannot convert to Integer".
How do I avoid this problem?
2nd: Can JPQL @Query
return an instance?
Please refer to the second code.
For now, the method insertInto(String name, String mail)
returns int value: the number of Column affected. However, I would like to get the affected column itself as a return value. Can I do this ? Or, should I add another code in a method in a service class to realize that function?
ANSWER
Answered 2022-Feb-24 at 08:06The first error you have is having a controller with {id}
the same as /sample/insert/
, I suppose because you have /sample/{id}/
before, he can match the /sample/insert/
to the first controller.
Not sure if you swapped between the two methods, But I think it won't work as well. As you are confusing spring on which method should work with.
QUESTION
I am confused by the two questions on the title. What function do you recommend me to use in the following controller class that avoids blank entries in SignUp and makes it impossible to log in with null or "" values without passing authentication? I examined different ways but it either didn't work at all or gave some error. The application works well otherwise. I use an online Mysql and it works well.
...ANSWER
Answered 2022-Jan-09 at 16:04NOT NULL
Did you try during the creation of the database table to insert the property "NOT NULL" to the fields?
e.g.
QUESTION
There is an application on Spring Web stack. I faced an unusal problem after the upgrading to the lastest Spring Boot 2.6.1
.
The following code
...ANSWER
Answered 2021-Dec-10 at 13:52Have a look at this issue: https://github.com/spring-projects/spring-boot/issues/28953
If you permit access to the /error
whitelabel page in your SecurityConfig it should work again. However, this seems to be a workaround as the issue is still in progress.
QUESTION
I have added a custom annotation on a method which is present inside a controller class. I have implemented Aspect class which is considering custom annotation as a point-cut. Once the execution reaches to custom annotation ,it calls the interceptor method which is present inside the class .This interceptor method contains a logic which calls the database to save the data.
While writing testcases for controller class, how can I mock above mentioned interceptor method so that I can resist the database call ?
Note: Inside interceptor method I am calling a method of another class which is the implementation of HandlerInterceptor
...ANSWER
Answered 2021-Nov-22 at 16:35I wrote two answers which might be of interest to you:
Please start from there and let me know if you have any follow-up problems, updating your own question and showing exactly what you are trying to do.
QUESTION
How does constructor method dependency injection work if I'm not even initializing the class anywhere or passing in arguments. Does Spring take care of this somewhere for me? Would really like to know more about this, if anyone wouldn't mind sharing/teaching me. How does this work on the heap? Would there be a reference to the class being constructed and the dependency so I would have two instances of different objects or just one? I found this answer How does constructor dependency injection work?, but it doesn't really answer my question in great detail.
Example:
...ANSWER
Answered 2021-Sep-24 at 15:46Answering your question: yes. Spring manages all the Beans on your behalf. You can declare a Bean in multiple ways:
- XML (the old way);
- Using
@Bean
(but in this case you would actually instantiate the Bean); - Using
@Component
,@Service
,@Repository
or@Controller
(the later 3 are basically specializations of the first).
In your case, you have annotated SampleController
with @Controller
, so now Spring knows that it will need to provide this Bean for you by managing it in the Spring IoC container. However, so that Spring can create the Bean it will also understand that it needs another Bean to be available, in your case SomeRepository
. If such a Bean already exists in Spring IoC Container then Spring provides it to your SampleController
constructor. For this to work, SomeRepository
must also be a Spring-managed Bean, and thus defined by one of the previous three ways.
It is worth mentioning that if for example you would have multiple SomeRepository
Beans in your application (imagine an interface having multiple implementations, being each one a different Bean), you would need to "tell" Spring which one you want to be used in SampleController
, otherwise you would get an error. There are multiple ways to do this:
- Using
@Qualifier
annotations; - Using
@Primary
on one of the implementations to mark it as the "default" in case you don't explicitly "say" which one you want.
You can check examples in https://www.baeldung.com/spring-qualifier-annotation.
This is a very high-level description, but you can find some good articles online about this or even check the reference documentation.
QUESTION
I am trying to inject a service into a PipeTransform class to fetch an entry from DB.
I have tried the solution in this answer but I am getting a different error Inject service into pipe in NestJs
sample.pipe.ts
ANSWER
Answered 2021-Sep-14 at 12:51You're returning the sample
function from the rxjs
package here (sic!):
QUESTION
I have spent the last 3 days (20+ hours) trying to solve this ConcurrentModificationException bug. I am trying to migrate my pretty large Java project to JavaFX and I am having trouble with managing Swing–JavaFX Interoperability and Threads, since I want my program to be hybrid in that respect.
The BugThe Bug arises when I click sufficiently fast on the Add Particle
button (but also from multiple other sources in my main project, other buttons also produce the same error). I get the following stacktrace
ANSWER
Answered 2021-Aug-13 at 08:49You are calling JavaFX functions from the swing and vice versa. Wrapping code with Platfrom.runlater and SwingUtilities.invokeLater is the correct way if you need javafx/swing communication, but you need to do it the right way ;).
Lets start with App.java SwingNode and controller are not JavaFX components, but are called with SwingUtilities, can't be right.
Should look like this:
QUESTION
I have been stuck on this for hours. I don't know why my controller from JavaFX is pointing to null. I made a JavaFX GUI in scene builder
, added the controller class to my project with its appropriate skeleton code. But when I instantiate the controller in my start
method it is pointing to null.
ANSWER
Answered 2021-Aug-11 at 21:42I needed to manually add fx:controller="SampleController"
in the root tag of the .fxml
document which in my case was the tag, now it works.
QUESTION
I have 2 RadioButtons inside a ToggleGroup. I want to be able to deselect a radio button if it is already selected, upon clicking.
SampleController.java (Controller class) ...ANSWER
Answered 2021-Aug-11 at 21:31The built-in way to clear the selection in a toggle group is
QUESTION
I have a scenario: I've a controller. My controller is calling the service class.Service class will fetch all the records from data base and post it to kafka.But I don't want my client who is calling the api to wait till the entire data is posted to kafka. I want it to do in a asynchronous way. Client's work is only to invoke the api that's all. We will immediately send 200 response code.
In back end the data fetching from DB and processing to kafka will happen. Can you please suggest how this can be done.
...ANSWER
Answered 2021-Aug-07 at 18:11You can achieve it via @Async way as follows, first define a bean:
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Install samplecontroller
You can use samplecontroller like any standard Python library. You will need to make sure that you have a development environment consisting of a Python distribution including header files, a compiler, pip, and git installed. Make sure that your pip, setuptools, and wheel are up to date. When using pip it is generally recommended to install packages in a virtual environment to avoid changes to the system.
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