When I started PostgreSQL server with sp…
JavaScript: UI test with Nightmare, mocha, and chai
with mocha-generators plugin [crayon-5d5…
LINE BOT: 終電君
終電の時刻を調べてくれるLINE BOTです。FlaskとHerokuで動かして…
Daily MagicEye App is now available on Play Store!
Daily MagicEye App is now available!
JavaScript: Window resize event in MarionetteJS
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var ImageView = Marionette.ItemView.extend({ initialize: function() { $(window).on('resize.imageview', this.onResize.bind(this)); }, onDestroy: function() { $(window).off('resize.imageview'); }, onResize: function() { // add resize event here }, |
WebService: Daily MagicEye
Random text magiceye page for daily visu…
Linux: Resize wubi’s virtual disk
1. Check the wubi’s virtual disk f…
Python: add attribute to MagicMock
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>>> from unittest.mock import MagicMock >>> foo = MagicMock(attr1='spam', attr2='ham', attr3='eggs') >>> foo <MagicMock id='3059559436'> >>> foo.attr1 'spam' >>> foo.attr2 'ham' >>> foo.attr3 'eggs' |
CheckIO: Repeating decimals
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def convert(numerator, denominator): to_str = lambda L: ''.join(map(str, L)) decimals, remains = [], [] integer, remain = numerator // denominator, numerator % denominator remains.append(remain) while True: quotient, remain = remain * 10 // denominator, remain * 10 % denominator decimals.append(quotient) if not remain: # doesn't repeat if sum(decimals): return '{}.{}'.format(integer, to_str(decimals)) else: return '{}.'.format(integer) if remain in remains: # repeat found repeat_start = remains.index(remain) non_repeat, repeat = decimals[:repeat_start], decimals[repeat_start:] return '{}.{}'.format( integer, to_str(non_repeat) + '({})'.format(to_str(repeat)) ) else: remains.append(remain) if __name__ == '__main__': #These "asserts" using only for self-checking and not necessary for auto-testing assert convert(1, 3) == "0.(3)", "1/3 Classic" assert convert(5, 3) == "1.(6)", "5/3 The same, but bigger" assert convert(3, 8) == "0.375", "3/8 without repeating part" assert convert(7, 11) == "0.(63)", "7/11 prime/prime" assert convert(29, 12) == "2.41(6)", "29/12 not and repeating part" assert convert(11, 7) == "1.(571428)", "11/7 six digits" assert convert(0, 117) == "0.", "Zero" |
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CheckIO: The shortest Knight’s path
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import itertools as it from string import ascii_lowercase as alpha def checkio(cells): """str -> int Number of moves in the shortest path of knight """ restrict = lambda c: 0 < c[0] < 9 and 0 < c[1] < 9 calc_reachable = lambda a, b: list( filter(restrict, it.chain( ((a + x, b + y) for x in (-2, 2) for y in (-1, 1)), ((a + x, b + y) for y in (-2, 2) for x in (-1, 1)), ))) to_num = lambda x: alpha.index(x) + 1 if x.isalpha() else int(x) start, goal = (tuple(map(to_num, x)) for x in cells.split('-')) reachable = (start,) for count in it.count(1): reachable = set(it.chain.from_iterable( calc_reachable(*c) for c in reachable )) if goal in reachable: return count if __name__ == "__main__": #These "asserts" using only for self-checking and not necessary for auto-testing assert checkio("b1-d5") == 2, "1st example" assert checkio("a6-b8") == 1, "2nd example" assert checkio("h1-g2") == 4, "3rd example" assert checkio("h8-d7") == 3, "4th example" assert checkio("a1-h8") == 6, "5th example" |
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