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2.3.8
question: About how many compares will Quick.sort() make when sorting an array of N items that are all equal? answer: //官网答案 Solution. ~ N lg N compar ...
分类:其他好文   时间:2018-06-03 19:25:09    阅读次数:167
Admin注册和路由分发详解
1.启动 2.注册 2.在admin中注册模型对象 from django.contrib import admin # Register your models here. from app01 import models admin.site.register(models.Book) prin ...
分类:其他好文   时间:2018-06-03 19:23:41    阅读次数:180
How to Install VMware Tools on RHEL 7/CentOS 7
The original address Mware Tools is one of important components for virtual machine (VM) in order get excellent performance. It is a group of utilitie ...
分类:系统相关   时间:2018-06-03 19:23:17    阅读次数:258
2.3.7
question: Find the expected number of subarrays of size 0, 1, 2 when quicksort is used to sort an array of N items with distinct keys, If you are math ...
分类:其他好文   时间:2018-06-03 17:36:47    阅读次数:190
leetcode-6-ZigZag Conversion
题目:ZigZag Conversion The string "PAYPALISHIRING" is written in a zigzag pattern on a given number of rows like this: (you may want to display this pat ...
分类:其他好文   时间:2018-06-03 17:35:57    阅读次数:159
2.3.2
question: Show, in the style of the quicksort trace given in this section, how quicksort sorts the array E A S Y Q U E S T I O N (for the purpose of t ...
分类:其他好文   时间:2018-06-03 16:22:49    阅读次数:139
How to resolve emulator cannot be launched issue by command line
Issue: Resolution: 1. Open the system variables, find the Path and edit it, add below item : C:\Users\hp\AppData\Local\Android\Sdk\emulator 2. Special ...
分类:其他好文   时间:2018-06-03 14:49:29    阅读次数:168
spring cloud Feign 使用 @RequestLine 注解遇到的问题
启动报错: Method getLinksForTrack not annotated with HTTP method type (ex. GET, POST) 网上百度下都是说 @RequestLine is a core Feign annotation, but you are using ...
分类:编程语言   时间:2018-06-03 14:48:16    阅读次数:9553
How to use GITHUB to do source control
howtocreaterepositoryhowtocreatebranchhowtoaddthecommentforeverychangewhatisthecommithowtorollbackhowtosyncthesourcesbetweenlocalandsever6.1whatisthepullrequest6.2whatisthepushrequestwhatistherelation
分类:其他好文   时间:2018-06-03 14:46:24    阅读次数:113
LeetCode96. Unique Binary Search Trees
题目: Given n, how many structurally unique BST's (binary search trees) that store values 1 ... n? Example: 提交后显示运行时间超时。原来是代码中有太多重复迭代,如同求解斐波那契数列时的直接迭代解法 ...
分类:其他好文   时间:2018-06-03 14:27:36    阅读次数:161
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