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Demystifying CRDs

What is CRD ? A CRD (Custom Resource Definition) is a Kubernetes feature that lets you teach your cluster about new types of resources. Instead of jus…

Docker -Networking and Best Practices

Docker Networking Containers are assigned an IP address when they are created. To check the IP address, we can use the following command: docker inspe…

Docker – ARG Directive, .dockerignore, and Docker Volumes

ARG Directive The ARG directive acts like a variable. We can define it inside the Dockerfile and change its value during the image build process. ARG …

Docker – Port Mapping, Logs, Container Management, and Image Removal

Docker – Logs, Remove, and Port Mapping Port Mapping When we run an application inside a container, we define the port on which the application will r…

Docker – Image and Container Bonding & Client-Server Architecture

Question: A container is running from an image. If we try to delete the image while the container is running, why can't we delete the image? Answer: I…

Looping in JS

What is Looping? And why do we use it? Loops are used to execute a block of code repeatedly without writing the same code multiple times. They help re…

Comparable vs Comparator in Java

In Java, sorting is an important operation when working with collections such as ArrayList, LinkedList, and other data structures. For primitive data …

Map in Java

What is Map in Java? A Map in Java is a part of the Collections Framework that stores data in the form of key-value pairs . Each key is unique. Values…

5 mistakes every vibecoder makes in their first project

Vibecoding looks easy. You describe what you want, AI writes it, and you ship. Except your first project usually crashes before it sees a user. At Ini…

ArrayList in Java

A-Z Database Glossary

A comprehensive reference of database terms from A to Z written for beginners and anyone learning how data is stored, managed, and retrieved. Each ter…

Exception Handling in Java

What is an Exception? An exception is an event that disrupts the normal execution of a program. Example: int a = 10 / 0 ; Output: ArithmeticException …

C# သင်ခန်းစာ - ၈

Namespace ဆိုတာကို အရိုးရှင်းဆုံး အဓိပ္ပာယ်ဖွင့်ရရင်တော့ ကုဒ်တွေကို စနစ်တကျ စုစည်းသိမ်းဆည်းထားတဲ့ "ကွန်တိန်နာ (Container)" သို့မဟုတ် "နာမည်ပေးစနစ်" တစ…

C# သင်ခန်းစာ - ၇

using System ; namespace TourOfCsharp ; class Program { static void Main () { // This line prints "Hello, World" Console . WriteLine ( "Hello, World" …