Per Velschow

Helpful votes received on reviews: 75% (24 of 32)
Location: Denmark

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Top Reviewer Ranking: 4,551,239 - Total Helpful Votes: 24 of 32
Real World Haskell by Bryan O'Sullivan
Real World Haskell by Bryan O'Sullivan
15 of 22 people found the following review helpful
I really wanted to like this book. The title alone seems so appealing. Instead of the usual, often dry, approach to teaching functional programming by means of mostly mathematical examples, this book takes a completely different approach by using realistic problems. At the same time the book seems targeted at people new to both Haskell and functional programming in general. Sadly, after reading this book I no longer think this is a viable approach to teaching.

Subjects are introduced as a "side-effect" (no pun intended) of developing fairly complex realistic programs. The authors seem eager to prove that Haskell can indeed be used for this. Unfortunately, this means they lose… Read more
Altec Lansing FX6021 Powered Audio 2.1 Stereo Spea&hellip by Altec Lansing
9 of 10 people found the following review helpful
I got these today and I plan to take them back to the store the first thing tomorow hoping to get my money back. The reason is the annoying hum from the subwoofer. The minute you plug the power cord into the AC, the low-pitched hum starts. I've moved it around various places in the house to see if it was some kind of interference. No matter what I did, the hum was the same. It's important to note that the only way to get rid of the sound is to cut the power to the unit - pressing the power button on the controller does not help.

Other people have mentioned this hum and some have replied that it's very low or that you can just unplug it. Neither are true in my case and I suspect… Read more