Aug. 6th, 2012

Ура?

Aug. 6th, 2012 08:57 am
madf: (Default)
Curiosity Lands on Mars
Mon, 06 Aug 2012 08:32:54 AM GMT+0300

NASA's Curiosity rover has landed on Mars! Its descent-stage retrorockets fired, guiding it to the surface. Nylon cords lowered the rover to the ground in the "sky crane" maneuver. When the spacecraft sensed touchdown, the connecting cords were severed, and the descent stage flew out of the way. The time of day at the landing site is mid-afternoon -- about 3 p.m. local Mars time at Gale Crater. The time at JPL's mission control is about 10:31 p.m. Aug. 5 PDT (early morning EDT).

http://www.nasa.gov/mission_pages/msl/index.html

А я, чесно кажучи, сумнівався. Така складна схема посадки...
madf: (Default)
read виявився вельми небезпечним. На ньому "лажає" строга типізація.
Prelude> (read "1.0") :: Double
1.0
Prelude> (read "1.0") :: Maybe Double
*** Exception: Prelude.read: no parse

Логічно, в принципі. Але фіг відловиш таку помилку. А через таку дрібничку більше доби не працював сервіс :(

PS: Зате зробив нормальне журналювання.

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