[racket] Where to learn advanced programming skills?

On Fri, Jul 26, 2013 at 6:05 AM, Tim Brown <tim.brown at cityc.co.uk> wrote:
> On 24/07/13 18:29, Joe Gilray wrote:
>>
>> By the time you get to problem #60 you will have built a little toolbox of
>> reusable functions (admittedly mostly in the number-theory area) and been
>> exposed to many different ways to solve problems and many different
>> programming languages.
>
> And by the time you get to problem #100, your head will hurt (but in a fun
> kind of way) :-)

After 30 or so, the problems are no longer measures of your
programming ability, instead, your math and CS skills.