EEGuy

15 ms·

91.
by EEGuy 14y ago
++Postgres; ++Celko; ++play around; Recommend Postgres' own concise tutorial: http://www.postgresql.org/docs/9.2/static/tutorial-sql.html for starters. Also, after you've cracked joins, learn the 'WITH' clause ( http://www.postgresql.org
92.
by EEGuy 14y ago
No typographer nor designer here either, but _subjectively_ speaking: * This test quickly 'clued me in' that a logo should give a "commanding", "authoritative", "brooks no argument" look. Helvetica, yes; Ariel, no: Ariel made some logos
93.
by EEGuy 14y ago
robocat, thanks for the link above to the blackout in India. Amazing to look at those pictures power poles dense with wires for electricity theft. Here's a highly technical blow-by-blow analysis of the August 2003 North American blackout:
94.
by EEGuy 14y ago
Stepping down from aluminum smelter load levels, consider the comparatively low power demands (orders of magnitude less) of modern lighting and electronics. There's some interesting geekiness to be found in their power demand under varying
95.
by EEGuy 14y ago
Wind and solar can be complimentary: Watch the Cal-ISO renewables graph (second graph on on this page: http://www.caiso.com/outlook/SystemStatus.html ; the first graph is demand and reserves ). On many days, the wind power goes up at nig
96.
by EEGuy 14y ago
DC doesn't have phase and frequency issues AC does. Presumably a shared DC grid would be constant-voltage. What surprises naive me is that gigawatt inverters seem to be a done deal. Once we have gigawatt-hour ("utility-") scale storage