This extends Install Kubernetes (i.e. minikube) on Mac.
Step 1: Start the Docker.app on Mac, and then start the minikube cluster from a terminal.
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~]$ minikube start |
Step 2: Create a pod.yaml manifest file to create a new pod that runs nginx image.
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Q1. What is the difference between a firewall & a router? A1. Every firewall is a router, but every router is not a firewall. Routers without firewall capabilities just pass traffic between two separate networks, whilst firewalls monitor the traffic and helps block unauthorised traffic coming from the outside trying...
This extends 15+ SQL scenarios based interview Q&As on N items per group – part 5 This SQL scenarios based interview questions & answers focus on N items per group. These examples were done on MySQL v8.0 at www.db-fiddle.com. … Read more ›...
This extends Apache Kafka Streaming with JSON & Java Tutorial and you can either use Kafka on Docker as per Apache Kafka example with Java – getting started tutorial or install Kafka on Mac (i.e Getting started with Apache Kafka on Mac Tutorial) or Windows. … Read more ›...
Q01. What is an Azure Resource Manager (i.e. ARM)? A01. ARM is the native platform for infrastructure as code (IaC) in Azure. It enables you to centralise the management, deployment, and security of Azure resources. … Read more ›...
Q01. What is a git stash command, and when do you need to use it? A01. Here are some scenarios where stash command will come in very useful. Scenario 1: Often you will not be able to make code changes in the master branch. … Read more ›...
Q01. What is a Helm chart in Kubernetes? A01. A Helm chart is a package manager for Kubernetes. A chart is a collection of files that describe a related set of Kubernetes resources. It contains all the necessary resources to deploy an application to a Kubernetes cluster. … Read more...
Q01 Often you will have a requirement to report on a certain dimension, which requires you to convert rows into columns or columns into rows. How will you go about accomplishing this using SQL?
A01 The process of converting rows into columns is know as “
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This extends 06: Apache Kafka Streaming with JSON & Java Tutorial – stateful operations groupByKey, windowing & aggregate and Getting started with Apache Kafka on Mac Tutorial.
Kafka Streams DSL (i.e. Domain Specific Language) is built on top of the Streams Processor API.
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Q01. What is a kubectl in Kubernetes? A01. Kubectl is a command line tool used to run commands against Kubernetes clusters. kubectl is what you will be using often to issue commands against a kubenetes cluster. You can create pods, deployments, … Read more ›...
Below question is popular in SQL coding interviews. SQL syntaxes are very easy to learn, but lots of practice is required to be able to understand the business intent, and convert that into SQL statements with proper what if considerations. Break down the requirements to construct the SQL statements.
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This post covers an SQL scenario, and how to solve it with NON ANSI 92 aggregate functions. Refer to your database documentation for the additional aggregate functions. In this post let’s look at how to implode or concatenate multiple row column values into a single column. Problem statement &… Read...
This extends 09: 50+ SQL scenarios based interview Q&As on GROUP_CONCAT() & STRING_AGG().
In the previous post we looked at how to implode or concatenate multiple row column values into a single column. In this post let’s look how we can explode or split delimited column value to multiple rows.
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