Played Challenges
Search and Replace 0 - 4792 entries
Replace every instance of 'aaa' with 'xaaax'.
- Best score: 12
- Best player score: 17
- Position: #1238 / 1585
- Number of attempts: 3
Exchanging Quotes - 821 entries
Sometimes you need to exchange a choice of quotes in some code.
- Best score: 30
- Best player score: 43
- Position: #197 / 225
- Number of attempts: 2
replacing each line of a block selection - 2947 entries
replace each line's ../assets/js with /javascripts
- Best score: 18
- Best player score: 30
- Position: #642 / 768
- Number of attempts: 1
Switch function arguments - 2082 entries
How to switch two arguments of a function.
- Best score: 11
- Best player score: 14
- Position: #440 / 652
- Number of attempts: 3
Append semicolon after expressions - 1005 entries
Some lines need the semicolon, some don't.
- Best score: 11
- Best player score: 16
- Position: #381 / 403
- Number of attempts: 2
Reverse and double space - 489 entries
Reverse the order of the given lines and double space everything
- Best score: 14
- Best player score: 20
- Position: #179 / 194
- Number of attempts: 2
Remove noise from HTTP log - 695 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: #262 / 270
- Number of attempts: 1
The meaning - 558 entries
Numbers are fun!
- Best score: 5
- Best player score: 5
- Position: #138 / 356
- Number of attempts: 1
Make it more readable - 1952 entries
Insert blank lines to make it more organized and readable
- Best score: 13
- Best player score: 18
- Position: #504 / 640
- Number of attempts: 1
Numbering a List - 1859 entries
Pretty simple, number the list.
- Best score: 13
- Best player score: 28
- Position: #579 / 639
- Number of attempts: 1
Shebangs for all - 1912 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: #478 / 500
- Number of attempts: 1
Reverse Simple Deletion - 832 entries
You did the simple deletion, now reverse it.
- Best score: 11
- Best player score: 17
- Position: #435 / 454
- Number of attempts: 2
Simple text editing with Vim - 12290 entries
Make the pairs of lines match up by making each second line same as first
- Best score: 13
- Best player score: 35
- Position: #3376 / 3581
- Number of attempts: 1