Played Challenges
Create json from a .env file - 608 entries
A simple everyday task.
- Best score: 39
- Best player score: 51
- Position: #53 / 139
- Number of attempts: 5
Reordering properties - 752 entries
Arrange the CSS lines for the #topbar selector based on their complete line length, from shortest to longest.
- Best score: 24
- Best player score: 97
- Position: #130 / 184
- Number of attempts: 2
Sort and Tag - 402 entries
The goal is to sort these lines alphabetically, assign a unique identifier to each line in the format "[01]", "[02]", etc., and then restore the original order of the lines while preserving the assigned identifiers.
- Best score: 7
- Best player score: 131
- Position: #77 / 89
- Number of attempts: 1
YAML to dotenv - 884 entries
Convert this YAML config file to a .env file.
- Best score: 16
- Best player score: 25
- Position: #108 / 197
- Number of attempts: 8
Swap columns and transform to CSV format - 295 entries
Turn this spreadsheet output into a CSV file but first swap the columns
- Best score: 16
- Best player score: 27
- Position: #101 / 110
- Number of attempts: 2
Generate an entry for each month - 229 entries
The input file contains a URI with a month in it. Generate the URIs for all the other months up to a couple of years
- Best score: 27
- Best player score: 77
- Position: #53 / 64
- Number of attempts: 4
Replace markdown sections with numbering - 205 entries
Replace each section and subsection with their respective numbers
- Best score: 29
- Best player score: 65
- Position: #30 / 61
- Number of attempts: 4
Fix the Scala Method - 218 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: 29
- Position: #60 / 71
- Number of attempts: 2
Change class fields from snake case to camel case - 230 entries
Change the class fields in this Scala class from snake case to camel case
- Best score: 13
- Best player score: 13
- Position: #23 / 88
- Number of attempts: 1
Reorganize Pokémon - 582 entries
Change the format of the each line and sort alphabetically.
- Best score: 18
- Best player score: 19
- Position: #38 / 158
- Number of attempts: 4
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: 19
- Position: #54 / 65
- Number of attempts: 3
extract struct tag in go - 83 entries
Can you extract all struct tags in the fewest keystrokes possible?
- Best score: 29
- Best player score: 33
- Position: #6 / 28
- Number of attempts: 3
Append leading hyphen count to each line - 81 entries
Append the number of leading hyphens to the end of each line.
- Best score: 23
- Best player score: 25
- Position: #14 / 26
- Number of attempts: 2
Move list of uuids into a SQL query - 154 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: 72
- Position: #40 / 52
- Number of attempts: 2
Word completion - 233 entries
Try to complete these options within 20 keystrokes.
- Best score: 20
- Best player score: 23
- Position: #24 / 63
- Number of attempts: 3
Fix timezone format - 288 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: 15
- Position: #4 / 93
- Number of attempts: 7
Search different SQL column with similar where clause - 258 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: 23
- Position: #18 / 59
- Number of attempts: 6
Remove adjacent duplicates - 560 entries
Try to find a way to remove adjacent duplicate letters.
- Best score: 19
- Best player score: 33
- Position: #89 / 147
- Number of attempts: 2
Rearrange array to single level - 1499 entries
The goal is to flatten the array into a single list and remove any empty elements.
- Best score: 14
- Best player score: 25
- Position: #118 / 248
- Number of attempts: 3
Rearrange array to one line - 707 entries
Rearrange the array content on only one line, and remove trailing commas
- Best score: 13
- Best player score: 22
- Position: #110 / 170
- Number of attempts: 2
months to html list items - 1088 entries
Turn the months into list items.
- Best score: 22
- Best player score: 36
- Position: #256 / 295
- Number of attempts: 1
Populate 3D bone names list - 636 entries
Ran into this at work, excited to see how this gets optimized
- Best score: 21
- Best player score: 37
- Position: #133 / 164
- Number of attempts: 2
Remove line numbers - 745 entries
From http://web.archive.org/web/20140831121704/http://dirac.org/linux/gdb/02a-Memory_Layout_And_The_Stack.php#investigatingthestackwithgdb.
- Best score: 9
- Best player score: 43
- Position: #173 / 199
- Number of attempts: 1
Surround the 'z' character with brackets, quotes, and print as formatted string. - 567 entries
Surround the 'z' character with brackets, quotes, and print as formatted string.
- Best score: 17
- Best player score: 17
- Position: #224 / 318
- Number of attempts: 1
Paste a column after a column - 2604 entries
This task is very common while using multi-cursor. What is the elegant vim way ?
- Best score: 14
- Best player score: 43
- Position: #478 / 565
- Number of attempts: 1
Many duplicates - 1459 entries
Quick and easy
- Best score: 7
- Best player score: 8
- Position: #317 / 476
- Number of attempts: 3
Contributed Challenges
Markdown Blog Editing - 356 entries
Convert the given link text in start file to a markdown link list.