How to Install the Right Version of Java to Run Selenium on a CentOS Server

If you want to launch Selenium on a Linux server, you need to have Java support installed. If your Java version is lower than 1.6, most probably you will get the following error while trying to launch Selenium: [root@ns1 selenium]# java -jar /usr/local/bin/selenium-server-standalone-2.41.0.jar -role hub May 27, 2014 2:06:12 p.m. org.openqa.grid.selenium.GridLauncher main INFO: Launching a selenium grid server… Read More »

SQL Command to Change Column Order in a MySQL Table

Sometimes you need to change column order in a table. If you don’t have access to latest phpmyadmin version (4.0 and above), you don’t have any graphic solution to do this and you’ll have to use an SQL query. First of all, you need to identify the type of field you want to move. It should look like… Read More »