Archivo del Autor: carlosap

Magnetar

A magnetar is a neutron star with an extremely powerful magnetic field (about 100 to 1000 times stronger than the Crab Nebula pulsar), the decay of which powers the emission of copious amounts of high-energy electromagnetic radiation, particularly X-rays and gamma-rays. The theory regarding these objects was formulated by Robert Duncan and Christopher Thompson in… Leer más »

Colossus Cracks German Code 60 Years On – But It’s Not The First!

Colossus, the Second World War computer, today successfully deciphered a coded message transmitted from Germany, recapturing the drama and excitement of Bletchley Park’s code-breaking legacy.Experts using the newly-rebuilt machine at the National Museum of Computing in Bletchley Park, Buckinghamshire, managed to beat a number of rival code breakers using modern-day computers.But, more than 60 years… Leer más »

MIT Releases the Source of MULTICS, Father of UNIX

«Extraordinary news for computer scientists and the Open Source community was announced over the weekend, as the source code of the MULTICS operating system (Multiplexed Information and Computing Service), the father of UNIX and all modern OSes, has finally been opened. Multics was an extremely influential early time-sharing operating system and introduced a large number… Leer más »

AUTO_INCREMENT

El valor inicial para AUTO_INCREMENT para la tabla. En MySQL 5.0, sólo funciona para tablas MyISAM y MEMORY. También se soporta para InnoDB desde MySQL 5.0.3. Para inicializar el primer valor de auto incremento para motores que no soporten esta opción, inserte un registro de prueba con un valor que sea uno menor al deseado… Leer más »

Distance from center of Milky Way to Sun

Author: dutch minott What is the distance between the center of the Milky Way and our Sun? Response #: 1 of 1 Author: hawley The Milky Way has a radius of about 15 kpc, and the Sun is about 10 kpc from the center. A «kpc» is a kilo-parsec. One parsec is 3.26 light years… Leer más »

Perfect Desktop Install Ubuntu 7.1

sudo wget http://www.medibuntu.org/sources.list.d/gutsy.list -O /etc/apt/sources.list.d/medibuntu.list wget -q http://packages.medibuntu.org/medibuntu-key.gpg -O- | sudo apt-key add – && sudo apt-get update sudo apt-get install msttcorefonts w32codecs acroread acroread-plugins mozilla-acroread flashplugin-nonfree sun-java6-jre sun-java6-bin sun-java6-plugin sun-java6-fonts ntfs-config sudo apt-get remove rhythmbox totem f-Spot sudo apt-get install audacious audacious-plugins audacious-plugins-extra audacious-crossfade mplayer mozilla-mplayer mplayer-fonts mplayer-skins digikam kipi-plugins showfoto streamtuner >> bajar… Leer más »