Decision | Simple Decision System | Model View Controller library
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QUESTION
This probably ins't typical setup, but due to higher decisions we endup having multiple kafka clusters within one app, multiple topics per each, and each might have different serializing strategy. Json/avro. And avro might be with confluent schema registry or using single object encoding.
Well I got it working somehow, by building my own abstractions and registry which analyzes the configuration and creates most of stuff manually, but I feel I needed to repeat stuff like topic names, schema registry url on several places multiple times just to create all needed beans. Ugly as hell.
I'd like to ask, if there is some better way and support for this I just might have overlooked.
I need to create N representations of kafka clusters, configuring it once. Configure topics respective to given kafka cluster, configure confluent schema registry for topics where applicable etc, so that I can create instance of Avro schema file, send it to KafkaTemplate and it will work.
...ANSWER
Answered 2021-Jun-15 at 13:28It depends on the complexity and how much different the configurations are, as to whether this will help, but you can override individual Kafka properties (such as bootstrap servers, deserializers, etc on the @KafkaListener
and in each KafkaTemplate
.
e.g.
QUESTION
I am new to devops. I want to install jenkins. So out of all options available to install jenkins provided in official documentation which one should I use. I am zeroed on docker or kubernetes. So parameters I am looking for decision are below.
- portability - can be installed on any major os or cloud provider.
- minimal changes to move to production.
ANSWER
Answered 2021-Jun-15 at 09:14Kubernetes is a container orchestrator that may use Docker as its container runtime. So, they are quite different things—essentially, different levels of abstraction.
You could theoretically run an application at both of these abstraction levels. Here's a comparison:
Docker
You can run an application as a Docker container on any machine that has Docker installed (i.e. any OS or cloud provider instance that supports Docker). However, you would need to implement any operations-related features that are relevant for production, such as health checks, replication, load balancing, etc. yourself.
Kubernetes
Running an application on Kubernetes requires a Kubernetes cluster. You can run a Kubernetes cluster either on-premises, in the cloud, or use a managed Kubernetes service (such as Amazon EKS, Google GKE, or Azure AKS). The big advantage of Kubernetes is that it provides all the production-relevant features mentioned above (health checks, replication, load balancing, etc.) as part of the platform. So, you don't need to implement them yourself but just use the primitives that Kubernetes provides to you.
Regarding your two requirements, Kubernetes provides both of them, while using Docker alone does not provide easy production-readiness (requirement 2). So, if you're opting for production stability, setting up a Kubernetes cluster is certainly worth the effort.
QUESTION
I need to parse a string quote by quote text and @ author and # category delimiters. Author and category come in order, but are optional. Like this:
...ANSWER
Answered 2021-Jun-15 at 08:42Assuming the @
and #
only appear at the end of string in front of the author or category, you can use
QUESTION
I would like to display all my traces like in the examples from the moleculer-jaeger package:
But what i get is something like this: All spans you can see in this picture should be within the main trace (gateway).
Here is my moleculer.config:
...ANSWER
Answered 2021-Jun-14 at 21:33- This version already has a built-in jager tracer, see the documentation.
- In order for the events to be nested, it is necessary to transfer the context inside the actions, use
ctx.call
calls instead ofbroker.call
, so they will be nested. - To quickly receive support for the moleculer, join us in discord!
QUESTION
I am writing a camera app. So when the user goes to the camera page they are provided with the option to grant camera permissions or not. I am saving their decision in variable const [hasPermission, setHasPermission] = useState(null);
My current use effect function:
ANSWER
Answered 2021-Jun-14 at 18:35You only need to pass the variable that matters. No need to check anything else.
QUESTION
I am trying to write part of my decision tree logic in Python. The data is coming from List 1 in dataframe 1 and List 2 and List 3 in dataframe 2. It states: if items in List 2 and List 3 are both found somewhere in List1 AND items in List 2 and List 3 side by side are NOT the same, then print out List 2 items. I am not sure how to approach this. Nested for loops? Or is there a function that would be best to use. If someone could point me in the right direction. Thanks!
for items 2 in list 2 AND for items 3 in list 3: for items 1 in list 1: if items 2 == items 1 AND if items 3 == items 1 AND if items 2 = [x for x, y in zip(list 2, list 3) if x != y]: then print items 2 in a list
ANSWER
Answered 2021-Jun-14 at 15:07Your logic will go something along this way
QUESTION
This was a problem on Pramp. The question:
The awards committee of your alma mater (i.e. your college/university) asked for your assistance with a budget allocation problem they’re facing. Originally, the committee planned to give N research grants this year. However, due to spending cutbacks, the budget was reduced to newBudget dollars and now they need to reallocate the grants. The committee made a decision that they’d like to impact as few grant recipients as possible by applying a maximum cap on all grants. Every grant initially planned to be higher than cap will now be exactly cap dollars. Grants less or equal to cap, obviously, won’t be impacted.
Given an array grantsArray of the original grants and the reduced budget newBudget, write a function findGrantsCap that finds in the most efficient manner a cap such that the least number of recipients is impacted and that the new budget constraint is met (i.e. sum of the N reallocated grants equals to newBudget).
Analyze the time and space complexities of your solution.
This is what my solution looks like, in PHP.
...ANSWER
Answered 2021-Jun-13 at 19:39You should try and reduce the repetition of calculations, so the maximum budget can be worked out before the foreach
loop. Also rather than have an if
to check if it's above this value, then use min
to take the lowest of the entry and the maximum budget
QUESTION
I am trying to scrape the NBA player names and projected fantasy score (not single stat DFS) using selenium. I've gotten as far as using selenium to automate clicking NBA, and selecting the fantasy score tab.
From there, I see the players in a grid where I will like to scrape the points and names for each player. I have attempted to loop through the grid but I don't think I'm doing it right
Can someone please take a look at my code and point me in the right direction ?
...ANSWER
Answered 2021-Jun-12 at 18:58See you are using
QUESTION
A similar question is already asked, but the answer did not help me solve my problem: Sklearn components in pipeline is not fitted even if the whole pipeline is?
I'm trying to use multiple pipelines to preprocess my data with a One Hot Encoder for categorical and numerical data (as suggested in this blog).
Here is my code, and even though my classifier produces 78% accuracy, I can't figure out why I cannot plot the decision-tree I'm training and what can help me fix the problem. Here is the code snippet:
...ANSWER
Answered 2021-Jun-11 at 22:09You cannot use the export_text
function on the whole pipeline as it only accepts Decision Tree objects, i.e. DecisionTreeClassifier
or DecisionTreeRegressor
. Only pass the fitted estimator of your pipeline and it will work:
QUESTION
I want to request user input via PromptForChoice and then, based on what they select, do a certain action.
In my code I have three options: Laptop, Tablet, and Workstation . If the user selects one, I want to do a certain action as opposed to the other actions assigned to the other options.
In the code, I do not really understand the line containing the decision variable, or what the number 1 means either after $choices. I have put asterisks around the parts of the code I don't understand.
I do not know how to assign certain actions to one button. The first part of code is what I want to do but isn't working, and the last part is the actual script.
...ANSWER
Answered 2021-Jun-11 at 22:17In the ISE or the console host, notwithstanding; you don't get back a string from this code. You get an array/index number.
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