Sorted:

Magento, NGINX, PHP-FPM, APC, MEMCACHED, 16gb Ram CentOS, Spiking PHP-FPM to 100% CPU-Collection of common programming errors

nginx,php-fpm,fastcgiView the original page-Collection of common programming errors

problem about autoload-Collection of common programming errors

Magento undefined constant-Collection of common programming errors

Instantiate dynamic array Magento-Collection of common programming errors

Magento Fatal error: Call to undefined method Mage_Catalog_Helper_Product::initProductLayout()-Collection of common programming errors

problem about where-Collection of common programming errors

problem about varnish-Collection of common programming errors

codeigniter modular seperation problem php mvc-Collection of common programming errors

EAV and DataTypes-Collection of common programming errors