japharr

package com.example.demo.controller;

import java.util.ArrayList;
import java.util.List;

public class Record {
  private String desId;
  private String sourceId;

japharr

#!/bin/bash
openssl genrsa -out private.pem 2048
openssl pkcs8 -topk8 -inform PEM -in private.pem -out private_key.pem -nocrypt
openssl rsa -in private.pem -outform PEM -pubout -out public_key.pem

japharr

// Using loop to delete duplicate items but one
db.amazon_sales.find({}, {asin:1}).sort({_id:1}).forEach(function(doc){
    db.amazon_sales.remove({_id:{$gt:doc._id}, asin:doc.asin});
})

// indexing the field
db.amazon_sales.createIndex( { "asin": 1 }, { unique: true } )

japharr

db.myCollection.find().forEach(
  function(e) {
    e.username = e.username.toLowerCase();
    db.myCollection.save(e);
  }
)

japharr

private Stream<Map.Entry<String, Object>> recursiveFlattening(String key, Map.Entry<String, Object> entry) {
    String jsonKey = entry.getKey();
    Object jsonElement = entry.getValue();

    if(key != null)
      jsonKey = key + "/" + jsonKey;

    final String res = jsonKey;

    if (jsonElement instanceof JsonObject) {

japharr

^(?=.{8,20}$)(?![_.])(?!.*[_.]{2})[a-zA-Z0-9._]+(?<![_.])$

^(?=.{8,20}$)(?![_.])(?!.*[_.]{2})[a-zA-Z0-9._]+(?<![_.])$
 └─────┬────┘└───┬──┘└─────┬─────┘└─────┬─────┘ └───┬───┘
       │         │         │            │           no _ or . at the end
       │         │         │            │
       │         │         │            allowed characters
       │         │         │
       │         │         no __ or _. or ._ or .. inside
       │         │

japharr

private final FIVE_SECONDS = 5000;
public void scheduleSendLocation() {
    handler.postDelayed(new Runnable() {
        public void run() {
            sendLocation();          // this method will contain your almost-finished HTTP calls
            handler.postDelayed(this, FIVE_SECONDS);
        }
    }, FIVE_SECONDS);
}

japharr

Criteria criteria = new Criteria().andOperator(
	where("warehouse").is(warehouse),
	where("date").gte(currentYear.getStart()),
	where("date").lte(currentYear.getEnd())
);
 
ProjectionOperation dateProjection = project()
	.and("amount").as("amount")
	.and("date").extractYear().as("year")
	.and("date").extractMonth().as("month");

japharr

<!-- Verifed Icons -->
<span class="fa fa-stack fa-lg">
    <i class="fa fa-certificate fa-stack-2x" style="color: green"></i>
    <i class="fa fa-check fa-stack-1x fa-inverse"></i>
</span>

<span class="fa fa-stack fa-lg">
    <i class="fa fa-certificate fa-stack-2x" style="color: red"></i>
    <i class="fa fa-close fa-stack-1x fa-inverse"></i>
</span>

japharr

Multiple SSH Keys settings for different github account

create different public key

create different ssh key according the article Mac Set-Up Git

$ ssh-keygen -t rsa -C "your_email@youremail.com"