Paulina 9c4e3956a7 Correction and editing of the tutorials.
[80 %] English version
[0  %] Polish version
[20 %] Both version consistency check
[0  %] Final sanity check

TODO:
- comments in the code blocks
- side-by-side consistency check
2020-02-29 10:31:52 +01:00
..
2014-09-01 02:47:15 +02:00
2012-01-05 13:07:44 -05:00
2015-02-24 22:47:15 +01:00
2019-02-12 10:34:57 +00:00
2014-09-01 02:47:15 +02:00
2014-07-17 14:19:04 +02:00
2014-07-17 14:19:04 +02:00
2014-09-01 02:47:15 +02:00