Batuhan Bayrakci baybatu

## a-good-null-handling-in-java.md

      
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                baybatu
                / a-good-null-handling-in-java.md
            
            
              Created Jul 31, 2019
            
              
                A nice approach for null-safe operation in Java
              
          
      View a-good-null-handling-in-java.md
  
    
    https://github.com/scottashipp/mill/blob/master/src/main/java/com/scottshipp/code/mill/NullSafe.java

  
## get-domain-mapping-in-grails.groovy
class Person {
  Long id
  String name
  static mapping = {
    table name: 'PERSON'
    id column: 'PRS_ID'
    name column: 'PRS_NAME'
  }
}

## run-kibana.sh
#!/bin/bash

# USAGE: run-kibana.sh http://localhost:9200

echo "Running kibana for es host:$1"

docker run --name kibana -d -p 5601:5601 \
    -e ELASTICSEARCH_HOSTS=$1 \
    -e XPACK_GRAPH_ENABLED=false \
    -e XPACK_ML_ENABLED=false \

## create-rabbitmq-exchange-queue-using-rest-api.sh
# create exchange
curl -i -u guest:guest -H "content-type:application/json" \
    -XPUT -d'{"type":"fanout","durable":true}' \
    http://localhost:15672/api/exchanges/%2f/my.exchange.name

# create queue
curl -i -u guest:guest -H "content-type:application/json" \
    -XPUT -d'{"durable":true,"arguments":{"x-dead-letter-exchange":"", "x-dead-letter-routing-key": "my.queue.dead-letter"}}' \
    http://localhost:15672/api/queues/%2f/my.queue

## split-into-subarrays.js
/*
* Splits array into subarrays.
* count parameter indicates that how many item per subarray contains.
* Example usage: splitIntoSubArray([1,2,3,4,5], 2) -> [[1, 2], [3, 4], [5]]
*/
function splitIntoSubArray(arr, count) {
  var newArray = [];
  while (arr.length > 0) {
    newArray.push(arr.splice(0, count));
  }

## SpringCouchbaseIdGeneration.java
@Document
public class OrnekDokuman {
    @Id
    @GeneratedValue(strategy = GenerationStrategy.UNIQUE) // UUID
    String id;
}

## attach-listener-to-push-method.js
var eventify = function(arr, callback) {
    arr.push = function(e) {
        Array.prototype.push.call(arr, e);
        callback(arr);
    };
};

var array = [1,2,3];

eventify(array, function(newArray) {

## json-format-using-vim-with-python.md

      
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                baybatu
                / json-format-using-vim-with-python.md
            
            
              Last active Feb 8, 2019
            
              
                JSON format in Vim using Python json.tool module
              
          
      View json-format-using-vim-with-python.md
  
    
    In Vim, use command below to format text as json in current buffer.
:%!python -m json.tool
Source: https://blog.realnitro.be/2010/12/20/format-json-in-vim-using-pythons-jsontool-module/
Alternative approach using jq:
:%! jq '.'

  
## liquibase-changelog.sh
java -jar liquibase.jar \
      --driver=org.postgresql.Driver \
      --classpath=postgresql-9.4.1208.jre6.jar \
      --changeLogFile=/workspace/product-api/src/main/resources/db/changelog.xml \
      --url="jdbc:postgresql://localhost:5432/product" \
      --username=root \
      --password=123qwe \
      updateSQL

## SwitchAliasJenkinsfile
#!/usr/bin/env groovy

node {
    stage('checkout') {
        checkout scm
    }
    stage("Switch alias between index versions") {
        String esHost = params.esHost //example: localhost:9200
        String oldIndexVersion = params.oldIndexVersion //example: v1
        String newIndexVersion = params.newIndexVersion //example: v2