Don't flood the channel. If you need to paste code, use a pastebin such as http://pastebin.ca. You can use this script to view pastebin posts from within Irssi.
Please use English.
Don't panic if your question isn't answered right away. We might be busy with work or studies, and most of us have lives outside IRC ;)
Don't ask if you can ask a question, just ask it.
Excessive use of smileys and "emotional abbreviations" (such as "lol" and "rofl") are usually frowned upon.