How to execute Python scripts from the console

>>> execfile("script.py")

Multiple LEFT JOINs in MSAccess

http://nm1m.blogspot.com/2007/10/multiple-left-joins-in-ms-access.html

Latex - How to change text properties of captions

There is related information here:

http://en.wikibooks.org/wiki/LaTeX/Floats,_Figures_and_Captions#Caption_Styles

How to send an email with an attachment with Python

In this page there is a fantastic solution:

http://kutuma.blogspot.com/2007/08/sending-emails-via-gmail-with-python.html

Gnuplot: save plot in jpeg

This are some useful commands:

set terminal jpeg

set output "fig.jpeg"

replot

set terminal x11

Log scale in gnuplot plots

The corresponding command is:

set log xy

Very important commands in Gnuplot

Plot two or more plots in the same window:

set multiplot

Plots with lines:

plot "file.dat" w l

Plot with yerrorbars. The third column of the input data is the lenght of the errorbar:

plot "file.dat" with errorbars

Hide the legend:

unset key