LOL, I actually started an english blog so I can fill this area.
Anyway, been using, hacking and even actually getting paid for doing WP related things since the 2.0.4 release
8 Cleaning up WordPress to improve performance? sep 4 '14
7 Can a post ID be 0? oct 8
6 Are post ID's reliable? oct 7 '14
6 $wpdb->prepare() warning in WordPress 3.5 dec 14 '12