spdeepak

package cache

import (
	"sync"
	"time"
)

type PollCache[K comparable, V any] struct {
	data     sync.Map
	pollFunc func() map[K]V

spdeepak

Run Postgres

docker run -d -p 5433:5432 --name postgres -e POSTGRES_PASSWORD=admin -e POSTGRES_USER=adminUser postgres:latest

Access postgres

docker exec -it postgres bash

Login to psql as adminUser

psql -U adminUser

Create DB

spdeepak

brew install qrencode
qrencode -t utf8 'WIFI:T:WPA;S:network;P:password;;'

spdeepak

package com.spdeepak.redis;

import com.spdeepak.redis.entity.LineItem;
import com.spdeepak.redis.entity.Order;
import com.spdeepak.redis.repository.LineItemRepository;
import com.spdeepak.redis.repository.OrderRepository;
import com.spdeepak.redis.service.OrderService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.boot.ApplicationRunner;
import org.springframework.boot.SpringApplication;

spdeepak

import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.microsoft.azure.servicebus.Message;
import com.microsoft.azure.servicebus.QueueClient;
import com.microsoft.azure.servicebus.ReceiveMode;
import com.microsoft.azure.servicebus.primitives.ConnectionStringBuilder;
import com.microsoft.azure.servicebus.primitives.ServiceBusException;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;

spdeepak

Use the below command to see the version of the JDK installed

/usr/libexec/java_home -V

OR

java -version

Open .bash_profile

vim .bash_profile

Write the following to the .bash_profile (For default JDK 8 or change to 1.9/1.10/1.11 respectively for versions)

export JAVA_HOME=$(/usr/libexec/java_home -v1.8)

Run the .bash_profile script by the following command

source .bash_profile

spdeepak

Default

Powerlevel9k

spdeepak

#1. Start MongoDB container
docker run -p 27017:27017 --name macmongo -e MONGO_INITDB_ROOT_PASSWORD=root -e MONGO_INITDB_ROOT_USERNAME=root -e MONGO_INITDB_DATABASE=testdatabase -d mongo:latest
#2. Open MongoDB shell
docker exec -it macmongo mongo --authenticationDatabase admin -u root -p

spdeepak

#Start MySQL
#MYSQL_ROOT_PASSWORD - for root password
#MYSQL_DATABASE - for a startup database
#MYSQL_USER, MYSQL_PASSWORD - Now you now what this parameter might be
#For more stuff read this page -> https://hub.docker.com/_/mysql/

#1. Start MySQL with a root password, the root admin username will be root
docker run --name mysql1 -e MYSQL_ROOT_PASSWORD=root -d mysql:latest

#2. Start MySQL without a password. But read the logs to see the password

spdeepak

public class ConsoleColors {
    // Reset
    public static final String RESET = "\033[0m";  // Text Reset

    // Regular Colors
    public static final String BLACK = "\033[0;30m";   // BLACK
    public static final String RED = "\033[0;31m";     // RED
    public static final String GREEN = "\033[0;32m";   // GREEN
    public static final String YELLOW = "\033[0;33m";  // YELLOW
    public static final String BLUE = "\033[0;34m";    // BLUE