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欧拉计划第4题题解
Largest palindrome product A palindromic number reads the same both ways. The largest palindrome made from the product of two 2 digit numbers is 9009 ...
分类:其他好文   时间:2020-02-17 18:15:39    阅读次数:102
pattern,design
1. Customer insights understanding customers rather than just asking what they want The Empathy Map 2. Ideation Thus, ideation has two main phases: id ...
分类:其他好文   时间:2020-02-17 15:38:49    阅读次数:64
LeetCode 1029. Two City Scheduling
原题链接在这里:https://leetcode.com/problems/two-city-scheduling/ 题目: There are 2N people a company is planning to interview. The cost of flying the i-th per ...
分类:其他好文   时间:2020-02-17 13:58:18    阅读次数:70
Java中的异常处理
在Java的库中声明了许多异常类,每个异常类都代表一种运行错误,在每个异常类中都包含该运行错误的信息和解决错误的方法。Java中对异常的处理方法有两种:一是不处理该异常,将其抛给调用方法,若所有方法都跑出异常,则由Java虚拟机捕获,终止程序并输出错误信息;二是捕获该异常并处理。 一.异常与错误的区 ...
分类:编程语言   时间:2020-02-17 12:39:32    阅读次数:86
To be contine ,NW NMM backup sqlserver failed.
Last time, we talk about separate under one cluster backup into two diffetent AG backup. Does it works ? How is it ? Let we it this time: Unfortunatel ...
分类:数据库   时间:2020-02-16 17:56:16    阅读次数:109
leetcode542 01 Matrix
1 """ 2 Given a matrix consists of 0 and 1, find the distance of the nearest 0 for each cell. 3 The distance between two adjacent cells is 1. 4 Exampl ...
分类:其他好文   时间:2020-02-15 11:50:37    阅读次数:74
Pandas - A value is trying to be set on a copy of a slice from a DataFrame(转)
转自:https://blog.csdn.net/qq_42711381/article/details/90451301 由于刚好也遇到这个问题,记录下来 使用的DataFrame的 当使用 frame2['year']['two'] = 10000, 即df名[列名][行名]的方式去赋值就会报错... ...
分类:其他好文   时间:2020-02-14 12:31:36    阅读次数:75
leetcode236 Lowest Common Ancestor of a Binary Tree
1 """ 2 Given a binary tree, find the lowest common ancestor (LCA) of two given nodes in the tree. 3 According to the definition of LCA on Wikipedia: ...
分类:其他好文   时间:2020-02-13 22:33:56    阅读次数:67
21. Merge Two Sorted Lists
Merge two sorted linked lists and return it as a new list. The new list should be made by splicing together the nodes of the first two lists. Example: ...
分类:其他好文   时间:2020-02-13 20:46:21    阅读次数:72
[LC] 373. Find K Pairs with Smallest Sums
You are given two integer arrays nums1 and nums2 sorted in ascending order and an integer k. Define a pair (u,v) which consists of one element from th ...
分类:其他好文   时间:2020-02-13 13:22:48    阅读次数:67
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