Played Challenges
Nested JSON Flattener - 76 entries
Transform a deeply nested JSON structure into a flattened key-value format where each path is represented by dot notation
- Best score: 44
- Best player score: 72
- Position: #13 / 21
- Number of attempts: 1
Replace markdown sections with numbering - 205 entries
Replace each section and subsection with their respective numbers
- Best score: 29
- Best player score: 35
- Position: #10 / 61
- Number of attempts: 16
Change class fields from snake case to camel case - 236 entries
Change the class fields in this Scala class from snake case to camel case
- Best score: 13
- Best player score: 13
- Position: #31 / 90
- Number of attempts: 12
Replace csv column if it's not empty - 191 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: #36 / 65
- Number of attempts: 2
Markdown Blog Editing - 364 entries
Convert the given link text in start file to a markdown link list.
- Best score: 30
- Best player score: 61
- Position: #61 / 84
- Number of attempts: 1
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: 24
- Position: #88 / 94
- Number of attempts: 3
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: 58
- Position: #59 / 60
- Number of attempts: 2