stacks | An R package for tidy stacked ensemble modeling | Machine Learning library
kandi X-RAY | stacks Summary
kandi X-RAY | stacks Summary
stacks is an R package for model stacking that aligns with the tidymodels. Model stacking is an ensembling method that takes the outputs of many models and combines them to generate a new model—referred to as an ensemble in this package—that generates predictions informed by each of its members.
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Currently covering the most popular Java, JavaScript and Python libraries. See a Sample of stacks
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Trending Discussions on stacks
QUESTION
TabScreenStack.js
...ANSWER
Answered 2021-Aug-06 at 19:08change the name for one of these routes, every screen must have a unique name.
QUESTION
I'm trying to use my Ansible playbook to call upon a site YAML reference to create a filename that increment for multiple switches. What am I doing wrong? I believe the playbook is pulling from the host YAML?
Format: --.txt
e.g.: with two switches:
- swi-lon-101.txt
- swi-lon-202.txt
host_vars/host.yaml
...ANSWER
Answered 2022-Mar-31 at 18:39So, you do need a loop in order to set this fact, otherwise, you are trying to access a installation_floor on a list, which cannot be.
You will also face an issue with the id of your items in switch_stacks, as 01 is an int and will end up displayed as 1, simply. So you either need to declare those as string, or to pad them with a format filter.
So, you end up with this task:
QUESTION
Having a navigation type definition as bellow, when I navigate from e.g AOne to BTwo with id:99 the console log of props.route.params shows correct info. But props.route.params.id throws type error
...TypeError: undefined is not an object (evaluating 'props.route.params.id')
ANSWER
Answered 2022-Mar-10 at 21:14The problem is with Props which is a CompositeScreenProp and that is for the following use case:
when you nest navigators, the navigation prop of the screen is a combination of multiple navigation props. For example, if we have a tab inside a stack, the navigation prop will have both jumpTo (from the tab navigator) and push (from the stack navigator). To make it easier to combine types from multiple navigators, you can use the CompositeScreenProps type
It is explicitly used for typing the navigation prop. That is why the typing (including autocompletion) works for navigate. We can check how this works step by step. The navigate function receives the screen to which it should navigate.
This is typed using the CompositeScreenProp! By specifying the screen in the params prop, it can extract the type of the props from the CompositeScreenProps. We can test this as well by not specifying the screen.
Clearly, the Typescript compiler can not extract the type information here.
Hence, using the construction React.FC does not extract the type information for the BTwo props. This is a react-native construction. It has nothing to do with react-native-navigation.
It is specified in the react-native-navigation documentation on how to type the props of a screen in the Type checking screens section and this does not differ from typing a normal Javascript function using Typescript. A react-native functional component is, loosely speaking, a JS function that returns a JSX component. It is typed the usual way.
QUESTION
I am trying to render certain nav stacks depending on a isAuthenticated state. The problem that I am having is that AppNavigator is only rendered on the first render and not with any other changes and I am not sure why. I have tried a useEffect in the AppNavigator component to set a secondary local state with the callback being isAuthenticated but no go. I put everything pertinent below. I appreciate any advice.
I have an AppNavigator that is being rendered in my app.tsx file.
ANSWER
Answered 2022-Mar-07 at 14:04You need to make your AppNavigator component into an observer so that it will re-render when observable data it depends on changes.
QUESTION
On a website I'm creating there is a cursor that needs to change its color smoothly.
When it is on a white background the cursor needs to be the blue #0059ff (this is important and I will explain why later on) and when it is on blue then the cursor needs to be white; and the transition needs to be smooth like so:
To get the white color with mix-blend-mode I'm calculating the inverted color using adjust-hue($color, 180) (in SCSS) and applying this color to the cursor.
When the background color is #0000ff then cursor should be #ffff00.
I have started a prototype using mix-blend-mode: difference that works on "primary colors" (basically colors like #ff0000, #ff00ff and so on).
Result:
Problems begin when I try to change the "primary" blue #0000ff to the one needed by the project #0059ff. The inverted color is calculated to be #ffa600 and the result is, let's say, "unsatisfactory" because I want the cursor to be white on some background color and said color on white background.
Calculating the difference will not work with this color and I have no idea how to make it so that when the cursor is not over the white background then the cursor becomes blue (-ish) and when it's over the blue background it becomes white.
My whole code so far:
(SCSS compiled so it can run in StackSnippet)
ANSWER
Answered 2022-Jan-24 at 19:19I have no idea how to make it so that when the cursor is not over the white background then the cursor becomes blue (-ish) and when it's over the blue background it becomes white.
In this case, the mix-blend mode is very limiting. When you want to have completely unrelated colors then it's not possible to use it.
However, I am able to achieve the desired effect using clip-path:
QUESTION
I'm a novice web developer, but experienced python programmer, and Apache dolt. Recently, I've been tinkering with hosting a small website and learning my way through some hosting issues, Flask, html templates, etc.
I've followed several Flask tutorials about controlling access to pages with @login_required decorators on access-controlled endpoints and using session to store a logged in k-v pair. This all works perfectly when running locally on Flask's development server on my local machine. However, when I push this onto my hosting service, I'm getting what I believe is cached behavior to many of the access-controlled endpoints and I'm able to see them after logging out (and checking the session data to ensure the key is removed).
Some specifics...
Using
flaskwithsessionfor the login info, not flask-login.Hosting on a managed VPS that is using Phusion Passenger as a WSGI interface to Apache
I have no config files in use for Apache...just defaults right now.
Website is very low traffic... Prolly just me & the bots right now. :)
My passenger_wsgi file:
ANSWER
Answered 2021-Dec-30 at 20:31Since 5.0, passenger will "helpfully" add cache-control headers to responses it deems 'cachable'.
In order to stop this, your application should add the header Cache-Control: no-store.
To do this globally in Flask as described here:
QUESTION
Im using Serverless Framework to deploy a Docker image running R to an AWS Lambda.
...ANSWER
Answered 2021-Dec-15 at 23:26The way your events.http is configured looks wrong. Try replacing it with:
QUESTION
Can python have a stack overflow error?
Recently I was just letting my mind wander when I came across the question: "can python get the stack overflow error? Does anyone have any answers?
I searched for the answer but only found java answers. I have used java but its just not my question:
- What is a StackOverflowError?
- https://rollbar.com/blog/how-to-fix-java-lang-stackoverflowerror-in-java/
My Reasoning
I initially thought no because python just... works most of the time (like passing an int for a string). It also doesn't have stacks (to my knowledge). But I wasn't sure. Here I am.
ANSWER
Answered 2021-Dec-11 at 03:29You can, if your recursion limit is too high:
QUESTION
I have to deploy one stack, let's call it the parent stack in one region Them a second stack(child) needs to be deployed, in another region. The region of the second stack(child stack) can not include the region where the parent was deployed. The second stack can be deployed in multiple regions.
However, the second stack needs props from the first stack. Specifically, it needs an ARN value. The default region is us-east-1. That is where the parent stack will get deployed.
To solve this I attempted the following
1- First Attempt : Using cfnOutput
- Created a
cfnOutputin the parent and in the child I capture the value withcdk.Fn.ImportValue() - RESULT: Got an error as cfnOutput can not be used between stacks on different regions as explained in CloudFormation User Guide
2- Second Attempt: Using StackProps
- Created an interface in the parent stack that inherit from StackProps, set a public property and put the ARN value there
from the lib/mystack file
...ANSWER
Answered 2021-Nov-27 at 11:00Use a Parameter Store value with a CustomResource.
This answer has a full Typescript CDK example of cross-region refs.
(I originally posted this as a comment because I thought the question was perhaps a duplicate. But on reflection, I see that the linked question and tags only mention CloudFormation, not the CDK. Seems the community gets the most benefit from keeping this question alive).
QUESTION
I'm working on a web application for a disaster management lab assignment that is using the Google Places and Maps JavaScript API. The goal is to have markers on the map which are attached to an event listener which is supposed to show an information window with the data about a disaster report. However, the window is not showing up when I click on the marker. The pointer finger icon shows when I hover over a point, yet no information window appears when I click on the marker. There are zero errors in the dev console when I run it through IntelliJ and Tomcat, and I tried changing addListener to addEventListener but it still doesn't work. I will post my code below but let me know if you need anything else to help. For security reasons, I have replaced my API key with MY_API_KEY, so I guess you will have to have access to the Google API's yourself in order to help so I apologize for that. Thanks!
P.S.
When I tried creating the snippet it came up with the following error which I'm unsure where the error is coming from because there is no line 302 in the JS code:
{ "message": "Uncaught SyntaxError: Unexpected end of input", "filename": "https://stacksnippets.net/js", "lineno": 302, "colno": 5 }
Here's what the information window is supposed to look like:
...ANSWER
Answered 2021-Nov-12 at 20:12Thank you Randy for the solution! I had to modify the example from the Google Maps documentation to match what the lab wanted but I figured it out. I included the infowindow.setContent(marker['customInfo']); from my original code and changed my code to match the syntax from the documentation.
Here's the working code for the Click Listener:
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