How to Control Tab Order in HTML
All elements (except hidden elements) in the HTML form are part of the form’s tab order. When the user presses…
Month: January 2023
Meta Refresh Tag. How to reload the web page.
One of the most common uses of the meta tag is to reload the web page. This is great for…
Secure File Upload with PHP
Download Source PHP makes uploading files easy. You can upload any type of file to your Web server. But with…
PHP: Looping Statements
In programming it is often necessary to repeat the same block of code a given number of times, or until…
SQL: ALTER TABLE
The ALTER TABLE statement allows to change the structure of a table after it has been created. New columns can…
PHP: Arrays
Arrays can be used in many ways to store and organize data quickly and efficiently. It is one of the more…
SQL: Union Clause
The Union clause allows you to combine the result sets of 2 or more individual queries. Union differs from subqueries…
Access: IsNull Function
In Access, the IsNull function returns a boolean value that indicates whether or not an expression contains no valid data…
How to install and configure PHP 5 on Windows box
It is assumed that you have already successfully setup IIS or installed Apache on your machine and configured it. So,…
Fix: Cannot load from mysql.proc. The table is probably corrupted
After upgrading MySQL from version 5.0 to 5.5 I started getting the following message trying to edit table structure in…