Played Challenges
Search and Replace 0 - 4989 entries
Replace every instance of 'aaa' with 'xaaax'.
- Best score: 12
- Best player score: 17
- Position: #1273 / 1624
- Number of attempts: 3
Exchanging Quotes - 858 entries
Sometimes you need to exchange a choice of quotes in some code.
- Best score: 30
- Best player score: 43
- Position: #202 / 230
- Number of attempts: 2
replacing each line of a block selection - 2999 entries
replace each line's ../assets/js with /javascripts
- Best score: 18
- Best player score: 30
- Position: #649 / 777
- Number of attempts: 1
Switch function arguments - 2139 entries
How to switch two arguments of a function.
- Best score: 11
- Best player score: 14
- Position: #450 / 663
- Number of attempts: 3
Append semicolon after expressions - 1056 entries
Some lines need the semicolon, some don't.
- Best score: 11
- Best player score: 16
- Position: #395 / 419
- Number of attempts: 2
Reverse and double space - 500 entries
Reverse the order of the given lines and double space everything
- Best score: 14
- Best player score: 20
- Position: #183 / 199
- Number of attempts: 2
Remove noise from HTTP log - 717 entries
This piece of log (from the year 2000) contains some irrelevant data. We only want to see the HTTP method and resource.
- Best score: 15
- Best player score: 26
- Position: #265 / 273
- Number of attempts: 1
The meaning - 575 entries
Numbers are fun!
- Best score: 5
- Best player score: 5
- Position: #138 / 363
- Number of attempts: 1
Make it more readable - 2005 entries
Insert blank lines to make it more organized and readable
- Best score: 13
- Best player score: 18
- Position: #511 / 650
- Number of attempts: 1
Numbering a List - 1931 entries
Pretty simple, number the list.
- Best score: 13
- Best player score: 28
- Position: #589 / 652
- Number of attempts: 1
Shebangs for all - 1999 entries
We've all seen or used a shebang once or twice. Ditch the specific paths and leave just a dynamic Ruby and Python bath behind.
- Best score: 11
- Best player score: 26
- Position: #491 / 516
- Number of attempts: 1
Reverse Simple Deletion - 847 entries
You did the simple deletion, now reverse it.
- Best score: 11
- Best player score: 17
- Position: #438 / 458
- Number of attempts: 2
Simple text editing with Vim - 12815 entries
Make the pairs of lines match up by making each second line same as first
- Best score: 13
- Best player score: 35
- Position: #3479 / 3696
- Number of attempts: 1