If you are a web hosting company that decided to launch a blog on your website in order to build up content, does it make a difference what … | Read the rest of https://www.webhostingtalk.com/showthread.php?t=1912539&goto=newpost
Is there a free alternative to Photoshops Adaptive Wide Angle filter?
Adobe Photoshop provides an Adaptive Wide Angle filter to to correct lens distortions. I really like the intuitive user interface which allows me to just draw a line to fix issues. Is there any free software which has the same feature?
Is there another way of expressing $\sum\limits_{k=1}^n \binom{n}{k} \cdot (n-k)! \cdot k!$?
I have stumbled across the formula $ \sum\limits_{k=1}^n \binom{n}{k} \cdot (n-k)! \cdot k!$ in some applied context. It looks as though there might be a nice combinatorial background to this formula. Is there another way to express it? Maybe a term that only depends on n? I am thinking of the famous equation expressing $ […]