Blog articles tagged 'functional'

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on 11/30/2014 1:14 AM
The Alogirthm Recently, I have entered a brave (new?) world of Clojure and was looking for a small project to take it for a ride. I stopped on a popular/interesting enough little problem, that subsumed a certain interview question which I was once unfortu[...]
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on 11/23/2014 6:33 AM
Wearable computing is undeniably a hot topic currently, what with all the major mobile players (Apple, Google and Microsoft) having entered the market. There is also a plethora of smaller players such as Timex, Nike, Pebble, etc. Cheap, ubiquitous wearabl[...]
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on 11/23/2014 6:33 AM
Wearable computing is undeniably a hot topic currently, what with all the major mobile players (Apple, Google and Microsoft) having entered the market. There is also a plethora of smaller players such as Timex, Nike, Pebble, etc. Cheap, ubiquitous wearabl[...]
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on 11/11/2014 11:33 AM
There is a function I need. I know how to write it, but I don’t know if it has a standard name (like map, fold, etc.). It takes one argument — a list of something — and returns a list of 2-tuples of equal length. Each tuple contains one item from the list[...]
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on 11/7/2014 8:07 AM
One of the perverse side effects of code that’s “the simplest thing that could possibly work” is that it can appear much easier to create than it actually was.  I refer to this as Athena Code because it can appear as if the code sprung full-grown and read[...]
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on 10/18/2014 1:27 PM
Problem Consider the following “magic” 3-gon ring, filled with the numbers 1 to 6, and each line adding to nine. Working clockwise, and starting from the group of three with the numerically lowest external node (4,3,2 in this example), each solution can b[...]
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on 10/18/2014 7:56 AM
Problem All square roots are periodic when written as continued fractions and can be written in the form: For example, let us consider ?23: If we continue we would get the following expansion: The process can be summarised as follows: It can be seen that [...]
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on 10/18/2014 6:04 AM
Problem It is well known that if the square root of a natural number is not an integer, then it is irrational. The decimal expansion of such square roots is infinite without any repeating pattern at all. The square root of two is 1.41421356237309504880…, [...]
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on 10/18/2014 4:50 AM
Problem Triangle, square, pentagonal, hexagonal, heptagonal, and octagonal numbers are all figurate (polygonal) numbers and are generated by the following formulae: The ordered set of three 4-digit numbers: 8128, 2882, 8281, has three interesting properti[...]
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on 9/29/2014 8:20 AM
I find it kindof fun to play with lambda calculus from time to time. Recently I had another go at the church numerals and the goal of my little kata was get a nice type-representation for them: Have something lie … Weiterlesen →
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