Source: https://www.civo.com/learn/migrating-your-ingresses-in-k3s-1-20

Kubernetes version 1.20+ introduces the networking.k8s.io API version as stable. If you have ingresses that predate K3S 1.20, you have until Kubernetes 1.22 to update them. Until then, if you use old-style ingress definitions, you will receive a warning like Warning: networking.k8s.io/v1beta1 Ingress is deprecated in v1.19+, unavailable in v1.22+; use networking.k8s.io/v1 Ingress when you apply the ingress to a cluster.

first one

apiVersion: v1
data:
  file1.yaml: |+
    parameter1=value1
kind: ConfigMap
metadata:
  name: my-configmap

second one

apiVersion: v1
data:
  file1.yaml: |-
    parameter1=value1
kind: ConfigMap
metadata:
  name: my-configmap

what is the difference between |+ and |- ?

MariaDB Galera Cluster là hệ thống cluser cho phép nhiều primary node CSDL MariaDB đồng thời, tức bạn có thể thực hiện lệnh write trên node bất kỳ và dữ liệu được đồng bộ cho các node khác trong cluster. Nó chỉ chính thức hỗ trợ hoạt động trên môi trường Linux và InnoDB storage engine.

Source and author: https://www.toptal.com/python/top-10-mistakes-that-python-programmers-make

Python's simple, easy-to-learn syntax can mislead Python developers -- especially those who are newer to the language -- into missing some of its subtleties and underestimating the power of the language. In this article, Toptal's Martin Chikilian presents a "top 10" list of somewhat subtle, harder-to-catch mistakes that can trip up even the most advanced Python developer.

Free Programming Books – GoalKicker.com https://books.goalkicker.com/

Another Python cheat sheet collection