Played Challenges
Replace csv column if it's not empty - 193 entries
Replace the credit_score_percentile column with the value 0.0 but leave the empty ones untouched
- Best score: 15
- Best player score: 16
- Position: #30 / 66
- Number of attempts: 1
CaN yOuR ViM dO ThAt? #1 - 177 entries
Tsoding's famous "Can your Vim do that?" https://youtu.be/Bafo3hhheHU?si=DfcT4sUEMTSAevnx&t=1091
- Best score: 41
- Best player score: 45
- Position: #20 / 71
- Number of attempts: 3
Fix timezone format - 294 entries
Add the missing T and Z in the datetime field. There should be a T instead of the space, and a Z at the end of the datetime. `2024-08-31 18:32:00;` -> `2024-08-31T18:32:00Z;`
- Best score: 15
- Best player score: 19
- Position: #59 / 94
- Number of attempts: 1
Search different SQL column with similar where clause - 265 entries
Replace a column in the where clause and convert all numbers from text to numeric, by replacing the leading 0 with the code 359.
- Best score: 22
- Best player score: 27
- Position: #39 / 60
- Number of attempts: 1
Remove adjacent duplicates - 570 entries
Try to find a way to remove adjacent duplicate letters.
- Best score: 19
- Best player score: 21
- Position: #30 / 148
- Number of attempts: 2
Move to corresponding lines - 267 entries
Move the values to the corresponding lines.
- Best score: 16
- Best player score: 22
- Position: #23 / 62
- Number of attempts: 2
Rearrange array to single level - 1515 entries
The goal is to flatten the array into a single list and remove any empty elements.
- Best score: 14
- Best player score: 20
- Position: #71 / 251
- Number of attempts: 3
Rearrange array to one line - 717 entries
Rearrange the array content on only one line, and remove trailing commas
- Best score: 13
- Best player score: 15
- Position: #42 / 172
- Number of attempts: 1