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| const n = 1000; | |
| const buff = new Int16Array(n + 1); | |
| for (let i = 3; i < buff.length; i += 2) { | |
| buff[i - 1] = 1; | |
| if (buff[i] == 0) | |
| for (let j = i + i; j < buff.length; j += i) | |
| buff[j] = 1; | |
| } |
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| Object.defineProperty(Array.prototype, 'first', { | |
| enumerable: false | |
| , configurable: true | |
| , get: function () { return this[0]; } | |
| , set: function (value) { | |
| return this.length ? this[0] = value : this.push(value) && value; | |
| } | |
| }); | |
| Object.defineProperty(Array.prototype, 'last', { |
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| const object = {a: 1, b: 2}; | |
| Object.defineProperty(Object.prototype, Symbol.iterator, { | |
| enumirable: false | |
| , configurable: true | |
| , get: () => function * () { | |
| for (const key of Object.keys(this)) | |
| yield [key, this[key]]; | |
| } | |
| }); |
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| let array = [1, 'b', 3, 'f', 'f', 'd', 'a', 9, 'b', 8, 'd', 4, 9, 'a', 5, 10, 3, 'c', 8, 7, 7, 6, 1, 'g', 'a', 'g', 4, 'e', 9, 8, 6, 5, 5, 2, 'c', 'd', 'e', 1, 6, 4, 2, 'b', 3, 10, 'e', 'f', 2, 'c', 10, 'g', 7]; | |
| array = array.filter((e, i, l) => i == l.lastIndexOf(e)); | |
| console.log(array); // => [ 'a', 9, 8, 5, 'd', 1, 6, 4, 'b', 3, 'e', 'f', 2, 'c', 10, 'g', 7 ] |
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| function Watch (obj, scheme, handler, pathOriginal = [], _obj = {}) { | |
| scheme.forEach(fieldName => { | |
| const path = pathOriginal.map(e => e); | |
| if (typeof fieldName === 'string') { | |
| path.push(fieldName); | |
| if (['string', 'number', 'boolean'].indexOf(typeof obj[fieldName]) !== -1 || obj[fieldName] === null) { | |
| _obj[fieldName] = obj[fieldName]; | |
| delete obj[fieldName]; | |
| Object.defineProperty(obj, fieldName, { | |
| enumerable: true |
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| "use strict"; | |
| let res = ` | |
| 1111110 | |
| 1111100 | |
| 1111111 | |
| 1111111 | |
| 1111111 | |
| 0111111 | |
| 0111111 |
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| function isIntersection (x1, y1, x2, y2, x3, y3, x4, y4) { | |
| var angles = [ | |
| getAngleOf(x2, y2, x1, y1, x3, y3) + getAngleOf(x2, y2, x1, y1, x4, y4), | |
| getAngleOf(x4, y4, x3, y3, x1, y1) + getAngleOf(x4, y4, x3, y3, x2, y2), | |
| getAngleOf(x1, y1, x2, y2, x3, y3) + getAngleOf(x1, y1, x2, y2, x4, y4), | |
| getAngleOf(x3, y3, x4, y4, x2, y2) + getAngleOf(x3, y3, x4, y4, x1, y1) | |
| ]; | |
| var sum = angles[0] + angles[1] + angles[2] + angles[3]; |
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| // Удаление шапки в которой написн вариант. | |
| $('div.header').remove(); | |
| // Удаление номеров каждого задания. | |
| var elements = $('.nobreak.pbody').find('span'); | |
| for (var i = 0; i < elements.length; i++) { | |
| var element = $(elements[i]), | |
| text = element.text(), | |
| index = text.indexOf('.'), | |
| text = '№ ' + text.substr(0, index) + ')'; |
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| sudo apt-get install thunderbird apache2 mysql-server php5-mysql php5 libapache2-mod-php5 php5-mcrypt git gitk npm vim htop ssh traceroute vlc |
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| function sum (a, b) { | |
| var c = [], buff = false; | |
| for (var i = a.length - 1; i >= 0; i--) | |
| if ((a[i] && b[i]) || (!a[i] && !b[i])) { | |
| c.unshift(buff); | |
| buff = a[i]; | |
| } else c.unshift(!buff); | |
| if (buff) c.unshift(true); |