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thumbnail 10 Best Practices for Using Kubernetes Network Policies
Apr 24th 2023, 14:13, by Emmanuel Moila

As more applications are deployed in Kubernetes clusters, ensuring that traffic flows securely and efficiently between them becomes increasingly important. Kubernetes Network Policies are a powerful tool for controlling traffic flow at the IP address or port level, but implementing them effectively requires following best practices. In this article, we will explore ten best practices for using Kubernetes Network Policies to enhance the security and reliability of your applications.

1. Use Namespaces and Labels for Granular Policy Enforcement

YAML
 
apiVersion: networking.k8s.io/v1  kind: NetworkPolicy  metadata:    name: backend-policy    namespace: backend  spec:    podSelector:      matchLabels:        app: backend    ingress:    - from:      - podSelector:          matchLabels:            app: frontend


thumbnail Make E2e Testing Easier With the Right Tools
Apr 24th 2023, 13:18, by Mirza Sisic

End-to-end (e2e further in the text) testing is immensely important since there are issues that can only be discovered while testing the system as a whole, testing it from one end to another.

That also adds a greater level of complexity to e2e tests, making them longer, slower to execute, and with more points of potential failure compared to lower-level tests with a smaller scope, especially when compared to tiny and blazing-fast unit tests. Since e2e tests bring a lot of value, we don't want to neglect them. We also want to make our lives easier when doing e2e testing, which we can do with the right tools. Apart from automating our e2e tests, we can speed up our e2e tests if when they are not automated. Let us dig deeper into what exactly we can do to make e2e testing easier and faster to execute.

thumbnail A Complete Guide to Cordova Testing
Apr 24th 2023, 11:45, by Harish Rajora

When we think about the idea of an application, one central question constantly trembles: What would be the best platform to develop it for initially? The reason for this question is the highly fragmented market today we live in.

Currently, a user has two primary options to operate an application. For example, a ticket booking application can either be opened as a web application on a desktop or a mobile device can be considered for the same process. Users can also download the mobile application if they choose a mobile device. After this, these options divide further. Let's say they prefer a mobile device to download the application. But then, which operating system are they using? Since Android and iOS have APIs and structure that is poles apart, they need separate applications.

thumbnail Generics in Java and Their Implementation
Apr 24th 2023, 11:18, by Bikash Jain

Generics in Java

In Java programming, language generics are introduced in J2SE 5 for dealing with type-safe objects. It detects bugs at the compile time by which code is made stable. Any object type is allowed to be stored in the collection before the generic introduction. Now after the generic introduction in the Java programming language, programmers are forced to store particular object types.

Advantages of Java Generics

Three main advantages of using generics are given below:

thumbnail Conditionals In JavaScript
Apr 24th 2023, 10:05, by Shashank Sharma

Conditional statements are used for making decisions based on different conditions. Also, conditionals in JavaScript allow you to execute different blocks of code based on whether a certain condition is true or false.

Conditions can be implemented using the following ways:

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