By rui, on November 21st, 2009
At last, the first “stable” release of my chess engine. The main new features are:
Static Exchange Evaluator (SEE): the biggest change, affects move ordering introducing more move generation phases, also affects LMR, etc. New “experimental” evaluation function, with King Safety, X-Ray attacks and improved mobility Recapture extension, also changed a lot the extension . . . → Read More: Carballo Chess Engine 0.3
By rui, on October 4th, 2009
I’ve been using Opera Mini 4 for 1 year and I prefer it over the Symbian integrated browser because is faster, simpler and smaller. Now Opera announced the avaiability of an Opera Mini 5 Beta. The main new features are:
- Speed Dial with captures of the pages, like in the desktop version. I . . . → Read More: Opera Mini 5
By rui, on September 20th, 2009
Two months ago I read a post about Toledo Nanochess in Microsiervos, and remembered my failed attemps to make a chess program in Pascal/Assembler when I was younger. So 13 years later I wrote my chess program from scratch in Java. I did it in two months at after-hours, reading a lot at the . . . → Read More: Carballo Chess Engine
By rui, on August 28th, 2009
Using mencoder in Linux, we can convert any video to FLV and embed it in a web page with Flowplayer. In this sample video is encoded at 320×240 300 kbps and audio at 56kbps:
# mencoder -forceidx -of lavf -oac mp3lame -lameopts abr:br=56 -srate 22050 -ovc lavc -lavcopts vcodec=flv:vbitrate=300:mbd=2:mv0:trell:v4mv:cbp:last_pred=3 -vf scale=320:240 -o out.flv . . . → Read More: Snippet: FLV video encode
By rui, on August 27th, 2009
Try to find the "R"
When you travel, you are allways afraid that someone can steal you the few things that you carry, but what you dont expect is that who tries to steal you was the council of a city like San Sebastian.
Last week we travel to Basque Country and in . . . → Read More: Robbery at San Sebastian
By rui, on June 28th, 2009
With pdftk we can (as well as a lot of other PDF-related operations) join PDFs in Linux, wich is something very useful. This is one example:
# pdftk file1.pdf file2.pdf file3.pdf cat output file_output.pdf
For windows there is also Pdftk Builder, with a graphical interface.
By rui, on June 20th, 2009
Acabo de publicar una modificación del excelente motor de búsqueda Sphider para que funcione con PostgreSQL. Esta modificación la hicimos en Ingeniería de Prefabricados S.L. para la nueva web coporativa del Grupo Castelo.
Curioso ver como miles de proyectos dejan de lado a PostgreSQL cuando es muy superior a MySQL (o al menos en . . . → Read More: Port de Sphider a PostgreSQL
By rui, on June 20th, 2009
Nunca vi muy útil la aplicación de búsqueda de Google que pulsando el botón “lápiz” en los Nokia te abre una caja de texto en la que puedes introducir los términos a buscar.
No obstante, esta semana he probado una aplicación de Yahoo!, el oneSearh Shortcut, que viene a hacer lo mismo pero con . . . → Read More: Yahoo! oneSearch
By rui, on June 14th, 2009
Esta herramienta nos permite generar screencasts (grabaciones de nuestro escritorio) en formato GIF animado (sin sonido, claro). Por ejemplo, para generar un screencast de 60 segundos, y que espere 2 segundos para empezar a grabar:
# byzanz-record -c -d 60 –delay 2 screencast.gif
La -c es para que grabe el movimiento del cursor.
Hay . . . → Read More: Snippet: Hacer un screencast con Byzanz
By rui, on May 10th, 2009
En cuanto a las distribuciones de Linux siempre he sido un talibán de Debian, pero hay aplicaciones propietarias que requieren de ciertas distribuciones de Linux para poderse instalar sin problemas, y casi siempre suelen ser compatibles con Red Hat Enterprise Linux (RHEL).
Pues bien, para estos casos tenemos CentOS, que es una distribución . . . → Read More: CentOS, alternativa libre a Red Hat Enterprise Linux
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