Use generic views: Less code is better. These views represent a common case of basic Web development: getting data from the database according to a pa ...
分类：
其他好文 时间：
2019-09-11 10:02:26
阅读次数：
120
本节主要用于机器学习入门，介绍两个简单的分类模型： 决策树和随机森林 不涉及内部原理，仅仅介绍基础的调用方法 1. How Models Work 以简单的决策树为例 This step of capturing patterns from data is called fitting or tra ...
分类：
系统相关 时间：
2019-09-07 22:01:17
阅读次数：
172
So-called Mathematical Analysis problem ...
分类：
其他好文 时间：
2019-09-07 17:18:30
阅读次数：
123
The "Hamilton cycle problem" is to find a simple cycle that contains every vertex in a graph. Such a cycle is called a "Hamiltonian cycle". In this pr ...
分类：
其他好文 时间：
2019-09-05 23:21:04
阅读次数：
116
Two integers are called "friend numbers" if they share the same sum of their digits, and the sum is their "friend ID". For example, 123 and 51 are fri ...
分类：
其他好文 时间：
2019-09-05 21:46:42
阅读次数：
95
Description: In LOL world, there is a hero called Teemo and his attacking can make his enemy Ashe be in poisoned condition. Now, given the Teemo's att ...
分类：
其他好文 时间：
2019-09-04 17:35:02
阅读次数：
98
原题链接在这里：https://leetcode.com/problems/arithmetic-slices-ii-subsequence/ 题目： A sequence of numbers is called arithmetic if it consists of at least thre ...
分类：
其他好文 时间：
2019-09-01 14:37:05
阅读次数：
64
Description: A permutation, also called an “arrangement number” or “order,” is a rearrangement of the elements of an ordered list S into a one-to-one ...
分类：
其他好文 时间：
2019-08-30 19:35:15
阅读次数：
76
题目描述 A positive integer is called a "prime-factor prime" when the number of its prime factors is prime. For example, 12 is a prime-factor prime becaus ...
分类：
其他好文 时间：
2019-08-21 00:13:23
阅读次数：
77
Problem Description Many years ago , in Teddy’s hometown there was a man who was called “Bone Collector”. This man like to collect varies of bones , s ...
分类：
其他好文 时间：
2019-08-18 17:49:02
阅读次数：
76
