Are there any of my readers that are good with Knowledge-Based Systems and Java Programming? I just started learning those in my current semester and never learned those subjects before, so its kind of tough for me to understand them sufficiently in class :| can someone kind enough to provide me a few/some useful tips on how to memorize/learn Knowledge-Based Systems and Java easily? I really need to work hard to get through this semester. COSRX Blackhead and Pore Zero Patch Review I got this as a sample from my 3rd Roseroseshop haul (haul post HERE ). It is a 2-step product where first you apply the nose strip and then use the pore tightening serum (step 2) to tighten pores on the nose area. These Blackhead and Pore Zero patches instantly remove blackheads, whiteheads and unclog pores while tightening and cleansing in just 15 mins. This product is a best selling item amongst Korea beauty celeb , as stated on the sticker. Benefits of using this blackhead and pore zero patch ...