PHP has different functions which can be used to test the value of a variable. Three useful functions for this are isset(), empty() and is_null(). All these function return a boolean value. If these functions are not used in correct way they can cause unexpected results. isset() and empty() are often viewed as functions that […]
PHP isset() vs empty() vs is_null() Read More »
There are times when you would want to display a bar at the top of the page when user scrolls on the page and it should go back to its original position when the user scrolls back up. This is particularly useful when you want to add say a share bar, a search bar, etc
Make a div stick to top when scrolled to Read More »
You have your site running on an old hardware and want to migrate it to a new upgraded hardware which would result in change of the ipaddress of your site and in turn imply downtime for your site. You want to minimize the downtime due to the change in ipaddress. This can be easily achieved
Migrating servers using DNS TTL for minimum downtime Read More »
I have been using Notepad++ everyday for coding at home and work for past 2-3 years. I don’t remember using any other editor during this entire period. I like this editor very much due to various features like syntax highlighting, collapse/expand functionality, ability to open 2 workspaces in same window, find in All Open Documents,
Notepad++ Keyboard Shortcuts Read More »
A 404 error page is the page that the user may reach due to various reasons. Some of the reasons are: The user has entered / spelt the URL incorrectly. The page has been moved or deleted. The URL they clicked on was incomplete or cut in an email or message.
404 Error Page Best Practices Read More »