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Crontab example – every 5 minutes

Today we will look into crontab example to execute a script every 5 minutes. Crontab example Recently I installed memcached server on CentOS operating system to use as a caching mechanism for my VBulletin forum…..

Apache Restart CentOS Script

Apache web server restart is easy but how would you do it automatically? Few days back, my apache server crashed and my website was down for almost 3 hours. I only find it out when….

How to install memcached into CPanel running CentOS

Recently I was trying to configure a VBulletin forum to use Memcached for caching. I was looking for some guidance for easy setup but didn’t find any useful and easy guide. I had installed memcached….

Bubble Sort in Java

Java Sorting is one of the many aspects of java interview questions. In this post, we will see java bubble sort example and write a program for bubble sort. Bubble sort is also known as….

Java Tricky Interview Questions

Sometime back I wrote an article on Top 50 Java Programming Questions. Our readers liked it a lot. So today we will look into some tricky interview questions in Java. Java Tricky Interview Questions These….

Difference between JDK, JRE, and JVM

The difference between JDK, JRE, and JVM is one of the popular interview questions. You might also be asked to explain JDK vs JRE vs JVM. Difference between JDK, JRE, and JVM JDK, JRE, and….

String Concatenation in Java

String Concatenation is a very common operation in programming. In this tutorial, we will learn different ways to concatenate strings in Java. String Concatenation in Java We should avoid using “+” operator for string concatenation…..

StringBuffer Vs StringBuilder

String vs StringBuffer vs StringBuilder

String is one of the most widely used classes in Java. StringBuffer and StringBuilder classes provide methods to manipulate strings. We will look into the difference between StringBuffer and StringBuilder. StringBuffer vs StringBuilder is a….

How to remove SVN Properties from SVN Diff

I use SVN for my projects version control system. Sometimes I need to see the difference between two tags or two branches but when I run “svn diff” command, it gives a whole bunch of….

Longest Palindrome Substring in a String in Java

Longest palindrome substring in a string is a very common java interview question. To find out the longest palindrome in String, first of all, we need to identify the logic to do it. Longest Palindrome….

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