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RAJESH KUMAR ARUMUGAM gotoark

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gotoark / FindTheDuplicatesWithoutInnerLoop.java
Created May 14, 2019
Find the no of Occurrences in a List without using a Inner Loop
View FindTheDuplicatesWithoutInnerLoop.java
package interviewprograms;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
public class FindTheDuplicates {
@gotoark
gotoark / AjaxFormat.js
Created Apr 4, 2019
Simple Ajax Request Format
View AjaxFormat.js
var formData = new FormData();
$.ajax({
url : "${url}",
type : "POST",
contentType : false,
/* enctype: "multipart/form-data", */
processData : false,
data : function() {
var inputs = $('#formObject').serializeArray();
console.log("-----------------Sending "
View ThreadSafeSingleton.java
package singleton;
public class ThreadSafeSingleton {
//1.private Constructor
private ThreadSafeSingleton() {
}
//2.Only Instance of the Class
private static ThreadSafeSingleton instance = new ThreadSafeSingleton();
View LazyInitialization.java
package singleton;
public class LazyInitialization {
//1.private Constructor
private LazyInitialization() {
}
//2.Only Instance of the Class
private static LazyInitialization instance = null;
View StaticBlockInitialization.java
package singleton;
public class StaticBlockInitialization {
private StaticBlockInitialization(){}
//1.private Constructor
static{
try{
View EagerInitialization.java
package singleton;
public class EagerInitialization {
//1.private Constructor
private EagerInitialization() {
}
//2.Only Instance of the Class
private static final EagerInitialization instance = new EagerInitialization();
@gotoark
gotoark / CheatSheet_MySQL.md
Last active Jan 24, 2019
List of My Sql Commands
View CheatSheet_MySQL.md

🏁 MY SQL CHEATS 🚀

To Support Multi Language 📍

jdbc:mysql://localhost:3306/databasename??useUnicode=true&characterEncoding=utf-8

View RandomString.Java
static final String AB = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
static SecureRandom rnd = new SecureRandom();
public static String randomString( int len ){
StringBuilder sb = new StringBuilder( len );
for( int i = 0; i < len; i++ )
sb.append( AB.charAt( rnd.nextInt(AB.length()) ) );
return sb.toString();
}
@gotoark
gotoark / CheatSheet_jQUERY.md
Last active Apr 5, 2019
Collection of Code snippets for jQuery
View CheatSheet_jQUERY.md

jQUERY CHEAT SHEET

Selectors

$("*") - All Elements
$("#") - Element id
$(".") - All element with Class Name
@gotoark
gotoark / JSONStringToArrayList.java
Created Feb 2, 2018
JSON String To ArrayList Converter
View JSONStringToArrayList.java
ObjectMapper mapper = new ObjectMapper();
List<MaterialRequestSubFO> materialLst = mapper
.readValue(data, TypeFactory.defaultInstance()
.constructCollectionType(List.class, MaterialRequestSubFO.class));
System.out.println("Lst Size---->"+materialLst.size());