Linux, Apache, Nginx, MySQL, Javascript and PHP

Javascript

How to get and set form element values with jQuery

jQuery is a Javascript framework which can simplify coding Javascript for a website and removes a lot of cross

PHP

How to use PHP’s __autoload function

PHP introduced the __autoload() function in version 5 which is called whenever the code tries to use a class that

HTML And CSS

How to do the TM symbol in HTML

The character symbols for copyright and registered trademark are part of the HTML specification (those are the C and

PHP

Using hash algorithms in PHP

PHP has a number of hashing algorithms available for creating hash values of files and strings. A hash is

MySql

Run a single MySQL query from the command line

The MySQL command line utility allows you to run queries and view query results etc from an interactive command

HTML And CSS

Remove cellpadding and cellspacing from an HTML table with CSS

The pre-CSS way to remove cellpadding and cellspacing from tables was to set the table cellpadding and cellspacing attributes

PHP

PHP fatal libpng error: zlib error

While working with some image functions in PHP I changed the output image from JPEG to PNG (from the

Show the sendmail mail queue
Email Servers

Show the sendmail mail queue

To check what is currently sitting in the sendmail mail queue use the sendmail -bp command or its alias

PHP

Check if a PHP script is already running

If you have long running batch processes with PHP that are run by cron and you want to ensure

PHP

PHP SoapClient “Unable to parse URL” error

While testing a web service I was creating in PHP using the PHP SoapClient and SoapServer classes I got

Javascript

Scroll to the bottom of a page with jQuery

Some time back I posted how to scroll to the top of a page with jQuery

PHP

phpMyAdmin “Cannot start session without errors”

Sometimes phpMyAdmin is inaccessible and gives the error message "Cannot start session without errors". This can be

MySql PHP

Hide selected databases in phpMyAdmin

Applications Linux/Unix/BSD

Change the window title in Putty

Putty is an SSH/telnet/etc client which allows you to connect to remote servers such as a Linux

Miscellaneous Postings

Change your login and/or password at GoDaddy

GoDaddy is a domain registrar, web host, email provider etc. I recently needed to change the login name and

Linux/Unix/BSD

Fix UTF8 characters displaying in Linux man pages

Man pages on Linux and other *NIX operating systems document how commands work. I’ve often noticed in a default

Linux/Unix/BSD

Bash shell becomes inactive on Ctrl+S

If you’ve ever accidentally hit Ctrl+S in the Bash shell it appears to come inactive and no matter

MySql PHP

Hide the information schema in phpMyAdmin

When you log into phpMyAdmin you can only see the databases for which you have access rights, as well

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