Played Challenges
Fix the Scala Method - 106 entries
Fix the missing semicolons and the Int type, ensure the floating point division, and remove the unnecessary return.
- Best score: 9
- Best player score: 28
- Position: #30 / 39
- Number of attempts: 2
Replace csv column if it's not empty - 93 entries
Replace the credit_score_percentile column with the value 0.0 but leave the empty ones untouched
- Best score: 15
- Best player score: 37
- Position: #36 / 38
- Number of attempts: 1
Move list of uuids into a SQL query - 69 entries
Take the list of UUIDs and use them as a filter in the where statement of a SQL query
- Best score: 57
- Best player score: 67
- Position: #18 / 29
- Number of attempts: 4
Surround the 'z' character with brackets, quotes, and print as formatted string. - 554 entries
Surround the 'z' character with brackets, quotes, and print as formatted string.
- Best score: 17
- Best player score: 17
- Position: #179 / 309
- Number of attempts: 3
Visual block training - 1070 entries
You see the input. You see the output. Go.
- Best score: 17
- Best player score: 74
- Position: #179 / 204
- Number of attempts: 4
Inverting Lines - 1900 entries
A simple challenge to invert all lines, except the first.
- Best score: 10
- Best player score: 10
- Position: #215 / 511
- Number of attempts: 5
Ruby 1.9 hashes - 1244 entries
Rubyists talk about being cutting edge but how many are using 1.9 in production? Time to convert those verbose 1.8 hashes in to symbolic, succinct 1.9 beauties!
- Best score: 12
- Best player score: 12
- Position: #110 / 406
- Number of attempts: 6