TimCodes
TimCodes
/ MergeSortExample.js
Last active
July 21, 2016 00:18
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| function merge(left, right) | |
| { | |
| var result = []; | |
| while (left.length && right.length) { | |
| if (left[0] <= right[0]) { | |
| result.push(left.shift()); | |
| } else { | |
| result.push(right.shift()); | |
| } |
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| function solution(A) { | |
| // write your code in JavaScript (Node.js 4.0.0) | |
| var rightSum = A.reduce((p, c) => p+c) | |
| var leftSum = 0; | |
| var min = Number.MAX_SAFE_INTEGER; | |
| for(var i = 0; i < A.length - 1; i++){ | |
| leftSum += A[i] |
TimCodes
/ gist:1cf958c6979731b88ed7694a1c609d37
Last active
November 28, 2016 19:07
Fib While version
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| function fibonacci(num){ | |
| var a = 1, b = 0, temp; | |
| while (num >= 0){ | |
| temp = a; | |
| a = a + b; | |
| b = temp; | |
| num--; | |
| } |
TimCodes
/ findsum.js
Created
January 20, 2017 22:21
Detect if there is a pair of elements that equal a given sum in an unordered list
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| function test(arr, sum){ | |
| let isIn = false | |
| arr.forEach( function(el){ | |
| let c = comps.indexOf(el) | |
| if(c > -1) | |
| isIn = true | |
| }else{ | |
| comps.push(sum - el) | |
| } | |
| }) |
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| const counter = (state, action) => { | |
| // if state is not defined | |
| // return default state | |
| if(typeof state === 'undefined'){ | |
| return 0; | |
| } | |
| let type = action.type; | |
| if(type === "INCREMENT"){ | |
| return state + 1; |
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| const counter = (state = 0, action) => { | |
| switch (action.type) { | |
| case 'INCREMENT': | |
| return state + 1; | |
| case 'DECREMENT': | |
| return state - 1; | |
| default: | |
| return state; | |
| } | |
| } |
TimCodes
/ index.html
Created
February 14, 2017 19:30
— forked from anonymous/index.html
JS Bin [simple react counter] // source https://jsbin.com/rawefa
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <meta name="description" content="[simple react counter]"> | |
| <meta charset="utf-8"> | |
| <meta name="viewport" content="width=device-width"> | |
| <title>JS Bin</title> | |
| </head> | |
| <body> | |
| <link href="http://extjs.cachefly.net/ext-3.1.0/resources/css/ext-all.css" rel="stylesheet" type="text/css" /> |
TimCodes
/ index.html
Last active
February 14, 2017 19:30
— forked from anonymous/index.html
simple reducers example
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <meta name="description" content="[simple react counter]"> | |
| <meta charset="utf-8"> | |
| <meta name="viewport" content="width=device-width"> | |
| <title>JS Bin</title> | |
| </head> | |
| <body> | |
| <link href="http://extjs.cachefly.net/ext-3.1.0/resources/css/ext-all.css" rel="stylesheet" type="text/css" /> |
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| const combineReducers = (reducers) => { | |
| return (state = {}, action) => { | |
| return Object.keys(reducers).reduce( | |
| (nextState, key) => { | |
| nextState[key] = reducers[key]( | |
| state[key], | |
| action | |
| ); | |
| return nextState; | |
| }, |
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| const todo = (state, action) => { | |
| switch (action.type) { | |
| case 'ADD_TODO': | |
| return { | |
| id: action.id, | |
| text: action.text, | |
| completed: false | |
| }; | |
| case 'TOGGLE_TODO': | |
| if (state.id !== action.id) { |
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