UPDATE `wp_users` SET `user_pass` = MD5('NEW PASSWORD') WHERE `wp_users`.`user_login` = "THE USER" LIMIT 1

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Theres a simple but equally frustrating fix. Simply change your theme to another and chance it back again. You should now see the Page Template you created.

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pidgin-facebookchat is a Facebook chat plugin for Pidgin and other libpurple based messengers. It connects to the new Facebook Chat IM service without the need for an API key.

Currently the plugin can log into the Facebook servers, grab the buddy list, send/receive messages, add/remove friends, receive notifications, search for Facebook friends and set your Facebook status.

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There are quite a few ways round this, but none are really ideal. For example, if you want to include an external page in Wordpress for whatever reason, you could use the Exec-PHP plugin. Simple, hey? No.

What if that page does something a little bit tricky that can't be run through PHP's eval();?

I ran into these problems whilst integrating a 3rd party web application with a new Wordpress.
We needed both sites to look exactly the same, ideally, using the Wordpress theme as it creates all the page links etc for us.

How do we do it? Simple. I wrote a wrapper to download and save these two files so the 3rd party app can access them.

Here's my shell script, called update_headers.sh

#!/bin/bash
rm -rf header-wrapper.html && wget http://YOUR_URL/header-wrapper.php -O header-wrapper.html -q
rm -rf footer-wrapper.html && wget http://YOUR_URL/footer-wrapper.php -O footer-wrapper.html -q

It calls wget to download two simple files from the Wordpress directory.

header-wrapper.php looks like this

<?php
require('./wp-blog-header.php');
 
include $_SERVER['DOCUMENT_ROOT']."/wp-content/themes/new_theme/header.php";
?>

and footer-wrapper.php looks like this

<?php
require('./wp-blog-header.php');
 
include $_SERVER['DOCUMENT_ROOT']."/wp-content/themes/new_theme/footer.php";
?>

So, the script calls the header and footer wrapper, saves the file to the web root (or where ever you ran the script from, ready to be included by your 3rd party app.

This particular application uses the Smarty template engine, so all I needed to do was replace the appliaction's header code with the following line

{include file="/home/YOUR_PATH/header-wrapper.html"}

and of course, your footer will look similar.

Whenever the client updates the Wordpress pages, for example adds a new page etc, we just call the shell script. Or, if you're lazy, set it to run every hour from cron.

"A bit clunky", you say? Well you find a better way!

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Running this SQL will easily sort it out.

UPDATE wp_posts SET post_content = replace(post_content, 'http://OLD_DOMAIN', 'http://NEW_DOMAIN');

Another 60 second fix!

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WP Super Cache has shaved nearly 3 seconds off the i9000 Networks website. Nice!

Before

After

After a bit of tweaking, from my other article, I've managed to get the i9k site to a Performance Grade A with a score of 94 according to YSlow. Even nicer!

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This blog, according to YSlow rates a frumpy Grade D, with a score of 61. Not bad, but not great.
A bit of .htaccess trickery should give me a few extra points... Excellent Grade C, with a score of 73.
Here's the modified .htaccess file. Some of this is blatantly stolen borrowed from the AskApache Guru.

# Turn on Expires and set default to 0
ExpiresActive On
ExpiresDefault A0

# Set up caching on media files for 1 year (forever?)
<FilesMatch "\.(flv|ico|pdf|avi|mov|ppt|doc|mp3|wmv|wav)$">
ExpiresDefault A29030400
Header append Cache-Control "public"
</FilesMatch>

# Set up caching on media files for 1 week
<FilesMatch "\.(gif|jpg|jpeg|png|swf)$">
ExpiresDefault A604800
Header append Cache-Control "public"
</FilesMatch>

# Set up 2 Hour caching on commonly updated files
<FilesMatch "\.(xml|txt|html|js|css)$">
ExpiresDefault A7200
Header append Cache-Control "proxy-revalidate"
</FilesMatch>

# Force no caching for dynamic files
<FilesMatch "\.(php|cgi|pl|htm)$">
ExpiresActive Off
Header set Cache-Control "private, no-cache, no-store, proxy-revalidate, no-transform"
Header set Pragma "no-cache"
</FilesMatch>

# deflate JS and CSS
<IfModule mod_deflate.c>
        <FilesMatch "\.(js|css)$">
                SetOutputFilter DEFLATE
        </FilesMatch>
</IfModule>

# Disable pesky ETags.
Header unset ETag
FileETag None

What have we done?

• Setup caching on most of the commonly served files
• Set Javascript and CSS files be GZipped
• Disabled ETags.

So, jumping up a grade for just a simple cut and paste job? Can't be bad.

What else can we do? Well, theres lots. For example, I use the LightView Plus plugin, it's very JS & CSS heavy. Disabling it adds 13 points, taking me up to a score of 86. It also saves 50k of code.

Take a look at your Wordpress plugins. Do you really need them all? Perhaps try loading the plugins only on the pages you require them on. cformsII lets you do exactly that!

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Here's a one line Linux command to;

• Download the latest Wordpress.
• Unzip, move files from the wordpress/ directory to the root.
• Clean up some unnecessary files.
• Create some necessary files.
• Set some necessary permissions.

wget http://wordpress.org/latest.zip &&
unzip latest.zip &&
mv wordpress/* . &&
touch robots.txt sitemap.xml sitemap.xml.gz .htaccess &&
chmod 777 robots.txt sitemap.xml sitemap.xml.gz .htaccess
&& rm license.txt readme.html latest.zip &&
mkdir wp-content/uploads &&
chmod 777 wp-content/uploads

Now I just need to create the MySQL database and user from that command and I'm laughing.

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