When you need to display some specific data in Gnuplot, it may be hard. However, for dates, it is easy, there is already a functionality.
For example, if you want to display date and hour base on a timestamp you have in your data, you can and that is …
Gnuplot is a nice tool to create graphics. However, sometimes, we need more specific functionalities we may think Gnuplot does not have. A deeper look into Gnuplot functionalities show us that it is a very powerfull tool!
Yesterday, I needed to create a graphic with 2 curves on it …
Let’s define this problem by an example. This is the kind of text I want to modify.
# include <stdio.h>
void main(int argc, char ** argv) {
printf("Hello world!\n");
printf("Version 2.0\n\
You can use this program as you want.\n");
return 0;
}This is …
SQLite is not a real database system. It’s more like a big file of text. Using SQLite to manage any kind of system can be dangerous when your database grows. The best advise is to loose a bit more time to learn how to set up a real …
I’m a big fan of LaTeX. However, when it comes to details, LaTeX is not what it sells you: you can’t really separate the content from the display when you need something nicer than the default. Moreover, the semantic description of parts of the content in LaTeX …
On Arch, it seems that there are often problems with the screen backlight. For example, I had a problem when suspending my computer with an almost discharged battery. When I plugged my computer, it was fully discharged. Trying to restart it from suspend didn’t display something on my …
This is my problem. I have a photo (portrait.png).
From this photo, I need a squared image. However, taking the largest possible croping, this is what I can get.
Of course, I don’t want the face to be cropped like this. The following article is presented one …