Played Challenges
Nested JSON Flattener - 30 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: #8 / 13
- Number of attempts: 1
Replace markdown sections with numbering - 160 entries
Replace each section and subsection with their respective numbers
- Best score: 29
- Best player score: 35
- Position: #9 / 48
- Number of attempts: 16
Change class fields from snake case to camel case - 170 entries
Change the class fields in this Scala class from snake case to camel case
- Best score: 13
- Best player score: 13
- Position: #31 / 66
- Number of attempts: 12
Replace csv column if it's not empty - 109 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: #25 / 44
- Number of attempts: 2
Markdown Blog Editing - 268 entries
Convert the given link text in start file to a markdown link list.
- Best score: 30
- Best player score: 61
- Position: #47 / 65
- Number of attempts: 1
Fix timezone format - 237 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: #75 / 80
- Number of attempts: 3
Search different SQL column with similar where clause - 184 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: #47 / 48
- Number of attempts: 2