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Comment: Re:Fucking anti-social Millennials (Score 1) 102

by Waffle Iron (#47583697) Attached to: Hotel Chain Plans Phone-Based Check-in and Room Access

I bet you're that guy at the front of the line who misremebers the price of what you bought and makes them send the bagger sauntering to the back of the store for a price check, and then doesn't even start to open his 19th century checkbook until the final tally is rung up, and then fills the whole check out glacially topped off by a pointlessly legible signature, then finally hands the check over so that the cashier can slowly scribble the entire contents of your drivers license over it.

And you wonder why I'm so thankful for self checkouts, even though I'm not even nearly a "millenial".

Comment: I had iLASIK about 11 months ago. (Score 2) 547

by grub (#47525561) Attached to: Laser Eye Surgery, Revisited 10 Years Later

iLASIK is done with all lasers, one to make the flap that was previously done by blade, and the usual LASIK after that. Fewer reported complications than with the older blade style. At my six month checkup I was seeing 20/10 from my left eye and 20/15 from my right. I'm 48 and previously wore progressive lenses. They adjusted my right for a closer focal distance.

It all just works, I love it.

Comment: Re:How did they launch from the moon? (Score 1) 211

by Waffle Iron (#47494905) Attached to: Apollo 11 Moon Landing Turns 45

I've never understood how they were able to launch from the moon back towards Earth. Launching from the Earth requires massive infrastructure and huge rockets. Yes, the moon's gravity well is shallower, but still significant.

It's because the fundamental equation that relates a rocket's performance and the mass fuel it requires to orbital velocities is exponential. This makes it work out so that any chemical rocket leaving earth has to have the vast majority of its weight as fuel, where as a rocket leaving the moon only about half of its weight as fuel.

What's more, the entire lunar module and its fuel supply is dead weight as far as the earth launch is concerned, which makes the earth rocket and its fuel multiple all the bigger. Then there's the issue of bringing along enough fuel to slow down the craft into lunar orbit, and escaping lunar orbit back to earth. The lunar lander didn't need to handle any of that, either.

Comment: Re:No (Score 2, Informative) 180

by Waffle Iron (#47420557) Attached to: Will Google's Dart Language Replace Javascript? (Video)

You might want to look in the mirror.

Scripting languages usually feature dynamic, strong typing. (The runtime always knows exactly what type its dealing with.)

Most compiled languages have static, strong typing. C is somewhat of an exception, being relatively weakly typed. (It's easy to make all sorts of bizarre type casts, sometimes implicitely.)

A few languages are very weakly typed, such as Forth.

Work expands to fill the time available. -- Cyril Northcote Parkinson, "The Economist", 1955

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