Archive for the ‘Programming’ Category
Saturday, October 3rd, 2009
When running a PHP script from command line interface (CLI), a higher memory limit may be required in order for the script to be successfully executed. This can be achieved using the "-d" or "--define" option in the command. According to the manual:
This option allows you to set a custom ...
Posted in Linux, PHP, Programming, Windows | No Comments »
Sunday, July 12th, 2009
In order to insert value 0 in a field that is set as primary key for a MySQL table you need to execute the following query prior to any insert query:
SET SQL_MODE = "NO_AUTO_VALUE_ON_ZERO";
Now you can successfully run the insert query with 0 set as value for a primary key, ...
Posted in MySQL, Programming | No Comments »
Wednesday, February 18th, 2009
Here is a JavaScript function used to remove blank lines from a textarea. This snippet is using the Prototype JavaScript framework
function removeBlankLines(field)
{
$(field).value=$(field).value.gsub(/\s+/, '\r\n');
}
You can use it with "onblur" attribute:
Posted in HTML, JavaScript, Programming | No Comments »
Wednesday, December 10th, 2008
This is a small snippet to remove the spaces from an input field using JavaScript. It can be useful when you want a value without spaces, or when you want to replace the spaces from the input field with other characters.
The JavaScript code:
function stripspaces(input)
{
input.value = input.value.replace(/\s/gi,"");
...
Posted in JavaScript, Programming | 1 Comment »
Monday, November 24th, 2008
Disabling foreign key checks in MySQL is usefull when you are dealing with tables that use foreign keys (InnoDB engine).
[caption id="attachment_105" align="alignleft" width="205" caption="MySQL logo"][/caption]
You can not delete (drop) multiple tables, a parent table or a child table until you disable foreign key checks four your current database.
The sql command ...
Posted in MySQL, Programming | 1 Comment »