• Java

Java MD5 Hashing & Salting: Secure Your Passwords

The MD5 Message-Digest Algorithm is a widely used cryptographic hash function that produces a 128-bit (16-byte) hash value. MD5 has been employed in a…

12 years ago
  • Database
  • Oracle

Index Skip Scan in Oracle

With Oracle 9i, the Cost-Based Optimizer (CBO) is equipped with many useful features, one of them is “Index skip scan“.…

12 years ago
  • Database
  • Oracle

Pagination in Oracle using ROWNUM and Limiting Result Set

ROWNUM is a magic column in Oracle Database that gets many people into trouble. When you learn what it is…

12 years ago
  • Java

How to Add Password Protection to PDF using iText in Java

iText is very powerful library. It is used extensively to create PDF files in Java applications. Although not free, iText…

12 years ago
  • Database
  • Oracle

Index usage with LIKE operator in Oracle & Domain Indexes

A lot of developers might be confused about index selectivity while using %LIKE% operator. So please find below how index worked when…

12 years ago
  • Database
  • Oracle

How To Convert Number into Words using Oracle SQL Query

How can you convert a number into words using Oracle Sql Query? What I mean by Number to Word is:…

12 years ago
  • Featured
  • Spring
  • Spring 3 MVC

Spring 3 MVC – Autocomplete with JQuery & JSON example

Let us implement Autocomplete feature in Spring MVC application using JQuery. Autocomplete is a feature you”ll see in almost all…

12 years ago
  • JavaScript

Deleting Multiple Values From Listbox in JavaScript

There was a requirement of deleting multiple options from a listbox using JavaScript. User can select multiple items from a…

13 years ago
  • Hibernate

org.hibernate.AnnotationException: No identifier specified for entity

When you are writing a piece of code from scratch a lot of time you do silly mistakes and still…

13 years ago
  • Android

Android: Trigger Media Scanner Programmatically

While working on an Android App, I had to integrate the Camera API. User can take a photo from App…

13 years ago