pablohdzvizcarra

package main

// OSI Model Open System Intercommunication Model
// You can see the OSI Model as an standard for applications.
// Each layer in the OSI model is decoupled from the other layers.

// ## SENDER
// 7 layers each describe a specific networking component
// Layer 7 - Application: HTTP/FTP/gRPC.
// Layer 6 - Presentation: Encoding, serialization.

pablohdzvizcarra

#!/bin/bash

# Program to validate a password

if read -t 10 -sp "Enter secret phrase > " secret_pass; then
    echo -e "\nSecret passphrase was configured"

    if read -t 10 -sp "Enter the secret phrase again > " secret_pass_two; then
        if [[ "$secret_pass" == "$secret_pass_two" ]]; then
            echo -e "\nThe password was validated"

pablohdzvizcarra

import java.io.IOException;
import java.net.HttpURLConnection;
import java.net.URI;
import java.net.URISyntaxException;
import java.net.URL;
import java.util.concurrent.Executor;
import java.util.logging.Level;
import java.util.logging.Logger;

public class RunningTaskWithExecutor {

pablohdzvizcarra

import java.io.IOException;
import java.net.HttpURLConnection;
import java.net.URI;
import java.net.URISyntaxException;
import java.net.URL;
import java.util.logging.Level;
import java.util.logging.Logger;

public class ExecuteTaskInSeparateThread {
    private static final Logger logger = Logger.getLogger("App");

pablohdzvizcarra

docker stop $(docker ps -aq)
docker rm $(docker ps -aq)
docker rmi $(docker images -q)

docker container prune   # Remove all stopped containers
docker volume prune      # Remove all unused volumes
docker image prune       # Remove unused images
docker system prune      # All of the above, in this order: containers, volumes, images
docker system df         # Show docker disk usage, including space reclaimable by pruning

pablohdzvizcarra

# In /etc/yum.repos.d/rabbitmq.repo

##
## Zero dependency Erlang
##

[rabbitmq_erlang]
name=rabbitmq_erlang
baseurl=https://packagecloud.io/rabbitmq/erlang/el/8/$basearch
repo_gpgcheck=1

pablohdzvizcarra

package com.baeldung.springreactivebaeldungseries.lesson01;

import org.springframework.context.annotation.Bean;
import org.springframework.http.HttpMethod;
import org.springframework.security.config.annotation.web.reactive.EnableWebFluxSecurity;
import org.springframework.security.config.web.server.ServerHttpSecurity;
import org.springframework.security.web.server.SecurityWebFilterChain;

@EnableWebFluxSecurity
public class EmployeeWebSecurityConfig {

pablohdzvizcarra

FROM openjdk:11.0.15-oracle as build
RUN mkdir -p /app/source
COPY . /app/source
WORKDIR /app/source
RUN ./mvnw clean package -DskipTests

FROM openjdk:11.0.15-oracle as runtime
COPY --from=build /app/source/target/*.jar /app/app.jar
ENTRYPOINT ["java", "-jar", "/app/app.jar"]

pablohdzvizcarra

package jvm.pablohdz.restapidesignpatterns;

public class TestSwitchStatement {
  
  public void classicVersion(int number) {
    switch (number) {
      case 1:
        callMethod("one");
        break;
      case 2:

pablohdzvizcarra

package jvm.pablohdz.restapidesignpatterns.example.template;

public abstract class BasicEngineering {
  public final void completeCourse() {
    // the course must be completed in order to pass
    // 1. Math
    // 2. Soft Skills
    // 3. Special Paper
    completeMath();
    completeSoftSkills();