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Questions tagged [katacoda]

Katacoda is an interactive learning and training platform for software developers. It provides a platform to build live interactive demo and training environments.

Katacoda is an online interactive learning and training platform for software developers. Each student is given access to a new environment without the need to install all the required component by themselves.

Getting started

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Receiving CORS error when deployed with Docker in Katacoda Environment

I am working on a Katacoda scenario, deploying a MERN application via Docker and docker-compose. When I run my project locally, it works perfectly. When I load it into the katacoda platform and use their generated URL, I receive CORS errors. I have…
Tammerg
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CodeWars Kata Move zeros to end of list

Hey guys so I've almost solved this kata but my code keeps failing this one test. Any ideas? def move_zeros(array): n = len(array) count = 0 for i in range(n): if array[i] is not 0: if type(array[i]) != int…
Marcelino Velasquez
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Attempting to connect Spring-Boot app to Keycloak with SSL

I am working on a Katacoda scenario in which I connect a spring-boot application to a KeyCloak. I wanted to make it pretty minimal so here are my configs: pom.xml org.keycloak …
Landister
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How to fetch(get) Cookie value, Server name and Other Header details for web application in Katalon Studio without API testing

please help for implement and how to test that verify following in Katalon studio Request response has a header Server: <> Request response has a header X-cache-status: <> Request response has a cookie with name (get all cookie name ) Request…
jalpa jogi
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As a newbie I can't find the bug in the program

I was training a code wars kata and the kata was: In a factory a printer prints labels for boxes. For one kind of boxes the printer has to use colors which, for the sake of simplicity, are named with letters from a to m. The colors used by the…
Ano_nymous1
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Katacoda doesn't accepts my source code... why?

I was solving a unix problem on Katacoda. I am solving it as instructed but it gives me an error. The problem is to display number of lines and words in a given input file Write a command/logic, which will read the content from a given input file…
Charu
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What is the difference between ingress value as blank array and value - {}?

In kubernetes network policy we can set Ingress value as blank array i.e. [] or we can also set value as - {} What is the difference between using these 2 values? First YAML that I tried - It didn't work apiVersion: networking.k8s.io/v1 kind:…
vikas sharma
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Cannot configure context/ get kubectl working on node01 at Katacoda playground

$ kubectl config get-contexts returns nothing on node01 in the cluster. I went as far as to set the password on the master node and then ran $ sudo scp -i master@172.17.0.133:/etc/kubernetes/admin.conf ~/.kube/config, but got permission denied. How…
R678
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Python NLTK Inaugural Text Corpora hands-on solution needed

I am doing a course in NLTK Python which has a hands-on problem(on Katacoda) on "Text Corpora" and it is not accepting my solution mentioned below. Have been stuck on this problem since long. Need to complete this hands-on to proceed foreword in…
Tanuj Chadha
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