Played Challenges
Search and Replace 0 - 4989 entries
Replace every instance of 'aaa' with 'xaaax'.
- Best score: 12
- Best player score: 12
- Position: #205 / 1624
- Number of attempts: 4
Swap assigned value - 647 entries
Simple problem but looking for interesting solutions.
- Best score: 10
- Best player score: 10
- Position: #39 / 254
- Number of attempts: 4
Refactor arguments into object argument - 166 entries
A relatively common Javascript refactoring.
- Best score: 48
- Best player score: 60
- Position: #25 / 68
- Number of attempts: 5
Unwrap the text of an email message - 192 entries
Reverse of "Wrap the text of an email message to 79 characters". gq and gw are great for wrapping paragraphs. But sometimes other programs choke on your wrapped lines. What's the best way to un-gq?
- Best score: 16
- Best player score: 16
- Position: #15 / 75
- Number of attempts: 4
switch variable - 5071 entries
how fast can you switch two variable ?
- Best score: 11
- Best player score: 11
- Position: #143 / 1748
- Number of attempts: 5
The meaning - 575 entries
Numbers are fun!
- Best score: 5
- Best player score: 5
- Position: #177 / 363
- Number of attempts: 1
Sort the cardinal numbers - 310 entries
Maybe a simple challenge.
- Best score: 12
- Best player score: 12
- Position: #33 / 148
- Number of attempts: 3
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: #48 / 406
- Number of attempts: 9
A Simple One - 1050 entries
Here is a very simple one - just to illustrate/introduce a vim feature that some people seem to miss...
- Best score: 9
- Best player score: 9
- Position: #316 / 664
- Number of attempts: 1
Increment, increment, increment.... - 688 entries
Vim likes macros
- Best score: 10
- Best player score: 12
- Position: #256 / 408
- Number of attempts: 4
The Cake is a Lie - 1346 entries
Correct the capitalization of each word
- Best score: 9
- Best player score: 9
- Position: #140 / 527
- Number of attempts: 5
Context insensitive completion 0 - 577 entries
Buried in the lines you're not supposed to add is the line "Add this line!" Add that line to the top of the file.
- Best score: 6
- Best player score: 7
- Position: #81 / 246
- Number of attempts: 8
Context Insensitive completion 1 - 498 entries
Finish writing this simple Python HTTP server.
- Best score: 18
- Best player score: 18
- Position: #102 / 245
- Number of attempts: 2
Sort and add attributes - 1451 entries
Sort the states and add the attribute country to each record.
- Best score: 33
- Best player score: 33
- Position: #148 / 563
- Number of attempts: 5