Java RegEx to validate Gmail address
I’ve written about Java regular expression to validate email addresses before. Today I am sharing another Java regex to validate Gmail address. It is quite simple and self-explanatory.
How to find largest and smallest numbers from input in Java
Following simple Java program shows how to read input values and then print smallest and largest values. It reads the input from standard input using Scanner and then uses methods from Math class to determine the largest and smallest numbers entered by the user.
Array Bubble Sort in Java
Although Java’s Arrays class has a built-in method to sort an array, it is important for good Java developers to know how to sort an array on their own. Bubble sort is the simplest sorting algorithm.
Top 10 Eclipse Keyboard shortcuts for Java developers
Here is a list of 10 commonly used Eclipse shortcuts for Java developers. Ctrl + Shift + T: Open a type (e.g.; a class, an interface) without browsing through list of packages Ctrl + Shift + R: Open any file quickly without browsing for it in the Package Explorer Ctrl + O: Go directly to […]
How to validate Date using Javascript Regular Expression
Here is a simple Javascript function to validate a date in US format.
How to redirect homepage in Joomla
Joomla is a wonderful platform to publish websites. With readily available templates you can have your website up and running in no time. Sometimes though you may need to direct your visitors to a different page than your regular home page, for instance you may want to direct all the visitors to a promotion page […]
Sort numbers in Java to find minimum and maximum values without using Array
Recently a reader contacted me with a question about sorting numbers in Java. After sorting the number the program then needs to print the largest and smallest values. I have written a post earlier that shows one way of finding largest and smallest numbers. That approach used Arrays but the reader wanted to find largest […]
Java String comparison. The difference between == and equals().
Many Java beginners find it difficult to differentiate between == operator and the “equals()” method when comparing String variables in Java. They assume that both operations perform the same function and either one can be used to compare two string variables. I have even seen many experienced programmers committing the mistake of using “==” to […]
An HTML element you don’t want to omit.
As web developers we have the tendency to blame web browsers for inconsistencies and for not displaying the pages as designed. Most of the time the blame is justified, but there are instances when the blame lies at the feet of the web developers. For example, incorrect CSS declarations, missing closing tags in HTML documents […]
How to remember CSS Shorthand properties
Using margin or padding properties of CSS in the following syntax is straight forward. { padding-top:5px; padding-right:12px; padding-bottom: 15px; padding-left: 20px; } But the shorthand version of these properties may be a little difficult to remember for CSS beginners. The above CSS declaration can be written as; {padding:5px 12px 15px 20px;} Now how do you […]