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| function _repeat(str, n) { | |
| return Array(n + 1).join(str); | |
| } | |
| function _zfill(str, n) { | |
| return (_repeat('0', n) + str).slice(-n); | |
| } | |
| function hex(str) { | |
| return str.split('').map(function (c) { |
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| <!doctype html> | |
| <html> | |
| <head> | |
| <meta charset="utf-8"> | |
| <title>Icon</title> | |
| <style> | |
| body { | |
| width: 30em; | |
| margin: 0 auto; | |
| font-family: Consolas, Meiryo, monospace; |
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| function log10(x) { | |
| return Math.log(x) / Math.LN10; | |
| } | |
| Object.defineProperty(Number.prototype, 'length', { | |
| get: function () { | |
| return Math.floor(log10(Math.abs(this))) + 1; | |
| }, | |
| set: function (value) { | |
| return value; |
st98
/ isstrict.js
Created
August 26, 2014 01:24
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| function isStrict() { | |
| try { | |
| arguments.callee; | |
| } catch (_) { | |
| return true; | |
| } | |
| return false; | |
| } |
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| @echo off | |
| python -c "import os, random, sys; os.popen('explorer ' + ' & explorer '.join(random.sample(os.listdir('.'), int(sys.argv[1]) if len(sys.argv) > 1 else 1)))" %1 |
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| var rot = (function () { | |
| function tr(str, from, to) { | |
| return str.replace(new RegExp('[' + from + ']', 'g'), function (key) { | |
| return to[from.indexOf(key)] || key; | |
| }); | |
| } | |
| function range(min, max) { | |
| var result = ''; |
st98
/ gist:6facf9d67f80e2cf7784
Last active
August 29, 2015 14:03
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| var c1, c2; | |
| c1 = console.log; | |
| c2 = console.log.bind(console); | |
| c1('hoge'); // => TypeError: Illegal invocation | |
| c1.call(console, 'hoge'); // => hoge | |
| c2('hoge'); // => hoge |
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| 'hoge'.charAt(3); // => 'e' | |
| 'hoge'[3]; // => 'e' | |
| 'hoge'.charAt(4); // => '' | |
| 'hoge'[4]; // => undefined |
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| String.prototype.title = function () { | |
| return this.replace(/[A-Za-z]+/g, function (m) { | |
| return m[0].toUpperCase() + m.slice(1).toLowerCase(); | |
| }); | |
| }; |
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| String.prototype.n文字ごとに文字列を挿入する = function (n, str) { | |
| if (n == null || str == null) { | |
| return String(this); | |
| } | |
| return this.replace(new RegExp('.{' + n + '}', 'g'), function (m) { | |
| return m + str; | |
| }); | |
| }; |