Clojure is a great language, and as every language, it has some unobvious and strange things, which seem confusing.
Some of such things are gathered here. Most of them encountered by stupidity, docs misunderstanding, clojure specifics and procrastination.
Find the sum of all the positive integers which cannot be written as the sum of two abundant numbers.
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How to live in the Kingdom of Nouns, why mathematicians cry, filling gaps in algorithms, portion of clojure, STM, HTTP and more.
Using names.txt a 46K text file containing over five-thousand first names, begin by sorting it into alphabetical order. Then working out the alphabetical value for each name, multiply this value by its alphabetical position in the list to obtain a name score.
For example, when the list is sorted into alphabetical order, COLIN, which is worth 3 + 15 + 12 + 9 + 14 = 53, is the 938th name in the list. So, COLIN would obtain a score of 938 x 53 = 49714.
What is the total of all the name scores in the file?
Evaluate the sum of all the amicable numbers under 10000.
All you need to play with numbers!
Brainfuck Interpreter in two tweets.
Why your software sucks and what is the “Secret Weapon”. Also, algorithm complexities refresher, functional programming, including Scala and Clojure, concurrency and lot of humor.