st98
/ complex.coffee
Last active
August 29, 2015 14:22
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| class Complex | |
| constructor: (re=0, im=0) -> | |
| if not(this instanceof Complex) | |
| return new Complex re, im | |
| this.re = re | |
| this.im = im | |
| conjugate: (other) -> | |
| new Complex @re, -@im | |
| add: (other) -> | |
| [re, im] = [@re + other.re, @im + other.im] |
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| import time | |
| from flask import Flask | |
| app = Flask(__name__) | |
| @app.route('/') | |
| def index(): | |
| return ''' | |
| <!doctype html> | |
| <body> | |
| <head> | |
| <title>DOMContentLoaded</title> |
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| javascript: | |
| var a = [ | |
| prompt('title'), | |
| "document.getElementById('h').addEventListener('DOMCharacterDataModified', function (s) { document.title = s.newValue; })" | |
| ]; | |
| var t = 'data:text/html;charset=utf-8,<!doctype html><meta charset="utf-8"><title>$1</title><h1 id="h" contenteditable>$1</h1><script>$2</script>'; | |
| location.href = t.replace(/[$]\d+/g, function (s) { return a[parseInt(s.slice(1), 10) - 1]; }); |
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| Array.prototype.reduce.call(document.querySelectorAll('.narrow li code'), function (p, c) { | |
| var s = c.childNodes[0].nodeValue; | |
| if (!(s in p)) | |
| p[s] = 0; | |
| p[s]++; return p; | |
| }, {}); |
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| n = int(1e6) | |
| def f(x): | |
| l = 0 | |
| while x != 0: | |
| l += 1 | |
| x >>= 1 | |
| return l | |
| f(n) # 20 |
st98
/ debug.js
Created
May 16, 2015 03:15
debug(fn) https://developer.chrome.com/devtools/docs/commandline-api#debugfunction
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| /* | |
| > debug | |
| < function debug(fn) { [Command Line API] } | |
| */ | |
| function f(x) { | |
| return x * 2; | |
| } | |
| function g(x) { | |
| return Math.pow(f(x), 2); | |
| } |
st98
/ m.html
Last active
August 29, 2015 14:17
マンデルブロ集合。 https://rawgit.com/st98/b14511aa28b8e3303971/raw/m.html
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| <!doctype html> | |
| <html> | |
| <head> | |
| <meta charset="utf-8"> | |
| <title>マンデルブロ集合。</title> | |
| <style> | |
| canvas { | |
| display: block; | |
| } | |
| </style> |
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| Array.prototype.forEach.call(document.querySelectorAll('a'), function (a) { | |
| a.href = a.href.replace(/(sm\d+)\?.+/, '$1'); | |
| }); |
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| (function () { | |
| if (!(String.prototype.repeat)) { | |
| String.prototype.repeat = function (n) { | |
| if (n < 0) throw RangeError('Invalid repeat count'); | |
| return Array(n + 1).join(this); | |
| }; | |
| } | |
| function zfill(s, n) { | |
| if (s.length >= n) return s; | |
| return ('0'.repeat(n) + s).slice(-n); |
st98
/ regexp.coffee
Last active
August 29, 2015 14:15
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| b = /b/ | |
| ##### | |
| /a#{b.source}c/.source # => 'a#{b.source}c' | |
| ///a#{b.source}c///.source # => 'abc' |