1. Bubble Sort public void bubbleSort(int[] arr) { boolean swapped = true; int j = 0; int tmp; while (swapped) { swapped = false; j++; for (int i = 0; i < arr.length - j; i++) { if (arr[i] > arr[i + 1]) { tmp = arr[i]; arr[i] = arr[i + 1]; arr[i + 1…

1. Merge Sort public class Mergesort { private int[] numbers; private int[] helper; private int number; public void sort(int[] values) { this.numbers = values; number = values.length; this.helper = new int[number]; mergesort(0, number - 1); } private…

//todo #include<iostream> void swap(int *a, int *b){int temp = *a; *a = *b; *b = temp;} ; i < len; i++) std::cout << arr[i] << " , "; } // swap sort (bubble sort), bubble the largest item to top of list, impractical void bub…

*稳定指原本数列中相同的元素的相对前后位置在排序后不会被打乱 快速排序(n*lgn 不稳定):数组中随机选取一个数x(这里选择最后一个),将数组按比x大的和x小的分成两部分,再对剩余两部分重复这个算法直到结束.但在数据量小的时候表现差. def quick_sort(a) (x = a.pop) ? quick_sort(a.select{|i| i <= x}) + [x] + quick_sort(a.select{|i| i > x}) : [] end 冒泡排序(n^2 稳定):如果a…

http://www.onjava.com/pub/a/onjava/2001/05/30/optimization.htmlComparing the performance of LinkedLists and ArrayLists (and Vectors) (Page last updated May 2001, Added 2001-06-18, Author Jack Shirazi, Publisher OnJava). Tips: ArrayList is faster than…

Learning from Imbalanced Classes AUGUST 25TH, 2016 If you’re fresh from a machine learning course, chances are most of the datasets you used were fairly easy. Among other things, when you built classifiers, the example classes werebalanced, meaning t…

原文:http://blog.mgechev.com/2015/03/09/build-learn-your-own-light-lightweight-angularjs/ Build Your own Simplified AngularJS in 200 Lines of JavaScript Edit My practice proved that there are two good/easy ways to learn a new technology: Re-implement i…

Horst Rutter edited this page 7 days ago · 529 revisions Indexes and search engines These sites provide indexes and search engines for Go packages: awesome-go - A community curated list of high-quality resources. Awesome Go @LibHunt - Your go-to Go T…

第1章 Spark GraphX 概述1.1 什么是 Spark GraphX1.2 弹性分布式属性图1.3 运行图计算程序第2章 Spark GraphX 解析2.1 存储模式2.1.1 图存储模式2.1.2 GraphX 存储模式2.2 vertices.edges 以及 triplets2.2.1 vertices2.2.2 edges2.2.3 triplets2.3 图的构建2.3.1 构建图的方法2.3.2 构建图的过程2.4 计算模式2.4.1 BSP 计算模式2.4.2 图操作一…

Golang优秀开源项目汇总(持续更新...)我把这个汇总放在github上了, 后面更新也会在github上更新. https://github.com/hackstoic/golang-open-source-projects  . 欢迎fork, star , watch, 提issue. 资料参考来源:http://studygolang.com/projects 监控系统 序号 名称 项目地址 简介 1 OpenFalcon http://github.com/open-falcon/…