rac021

Node js notes

rac021

## Obtain Token and Invoke Service

rac021

package com.rac021.visitor ;

/**
 *
 * @author ryahiaoui
 */

import java.util.HashMap ;
import java.util.function.Function ;

rac021

Download the Cerfiticate from the peer :

 * openssl s_client -showcerts -connect 127.0.0.1:8545 </dev/null 2>/dev/null|openssl x509 -outform PEM > ~/my_certfile.pem

Tells curl to use the specified certificate file to verify the peer ( Using --cacert ) : 

 *  curl  -v --cacert ~/my_certfile.pem 
          -s -X POST https://127.0.0.1:8545/auth/realms/serenity/protocol/openid-connect/token \

rac021

#!/bin/bash

# compiled from https://docs.docker.com/engine/installation/linux/debian/#/debian-jessie-80-64-bit

sudo apt-get update
sudo apt-get dist-upgrade -y
sudo apt-get install apt-transport-https ca-certificates -y

sudo sh -c "echo deb https://apt.dockerproject.org/repo debian-jessie main > /etc/apt/sources.list.d/docker.list"
sudo apt-key adv --keyserver hkp://p80.pool.sks-keyservers.net:80 --recv-keys 58118E89F3A912897C070ADBF76221572C52609D

rac021

public static void main(String[] args) {
        
    cartesianProduct ( Arrays.asList (
                         Arrays.asList( 1900, 1901, 1902 ) ,
                         Arrays.asList( Arrays.asList("R","Y") , Arrays.asList("RR","YY") ) ,
                         Arrays.asList(Arrays.asList("10") )
                     )
    ) ;

rac021

ONLINE DOCKER PLAY :
http://host2.labs.play-with-docker.com/p/b0f9134f-8b4c-4a95-b2f5-786b62acbbf7#b0f9134f_node1


This exemple is based on redmine container.

 1- Fire up the postgres database container :
    docker run -d --name test-postgres -e POSTGRES_PASSWORD=secret -e POSTGRES_USER=redmine postgres
    

rac021

# start pulseaudio
$ docker run -d \
    -v /etc/localtime:/etc/localtime \
    -p 4713:4713 \ # expose the port
    --device /dev/snd \ # sound
    --name pulseaudio \
    jess/pulseaudio
    
# start skype

rac021

<dependency>
  <groupId>org.apache.httpcomponents</groupId>
  <artifactId>httpasyncclient</artifactId>
  <version>4.1.3</version>
</dependency>

CloseableHttpAsyncClient httpclient = HttpAsyncClients.createDefault();
try {
    // Start the client

rac021

Display Only Duplicate lines using Bash :
   
    1) On specifi column : cat  *.* | cut -f 2 -d\ | sort | uniq -d

    2) All row           : cat  *.* | sort | uniq -d


Delete duplicate rows and copy them to different files with a size limit