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dbeaver链接mysql报错之The server time zone value 'Öйú±ê׼ʱ¼ä' is unrecognized or represents more than one time zone.
The server time zone value 'Öйú±ê׼ʱ¼ä' is unrecognized or represents more than one time zone. You must configure either the server or JDBC driver ( ...
分类:数据库   时间:2020-02-23 23:58:26    阅读次数:126
LeetCode 687. Longest Univalue Path 最长同值路径 (C++/Java)
题目: Given a binary tree, find the length of the longest path where each node in the path has the same value. This path may or may not pass through the ...
分类:编程语言   时间:2020-02-23 19:56:52    阅读次数:92
restful序列化应用
restful之序列化 1.前序 简单表结构: url 视图 2.get请求 3.序列化post请求: 把之前序列化简单一下,因为之前序列化为了多的介绍一下功能: 当我们发送post请求时候,如下图: 那么接下来如下在视图中: 4.验证: 那么对于提交数据如何验证呢?restframwork提供3种 ...
分类:其他好文   时间:2020-02-21 12:51:31    阅读次数:67
leetcode11 Container With Most Water
1 """ 2 Given n non-negative integers a1, a2, ..., an , where each represents a point at coordinate (i, ai). n vertical lines are drawn such that the ...
分类:其他好文   时间:2020-02-20 17:14:27    阅读次数:75
lecture 1
1.machine learning研究如何使机器从一开始的遵循简单规则到可以根据以往经验做出自主判断/行为预测(对data的pattern进行研究) 2. 举例:recommender systems: 第一种方法是找到过往搜索中出现过的pattern,推荐类似的应用;第二种方法是找到搜索过相同p ...
分类:其他好文   时间:2020-02-18 13:27:36    阅读次数:72
LeetCode 211. Add and Search Word - Data structure design(字典树)
"题目" 字典树。 ...
分类:其他好文   时间:2020-02-15 13:53:46    阅读次数:61
leetcode129 Sum Root to Leaf Numbers
1 """ 2 Given a binary tree containing digits from 0-9 only, each root-to-leaf path could represent a number. 3 An example is the root-to-leaf path 1- ...
分类:其他好文   时间:2020-02-13 22:42:21    阅读次数:82
Educational Codeforces Round 82 A. Erasing Zeroes
You are given a string ss. Each character is either 0 or 1. You want all 1's in the string to form a contiguous subsegment. For example, if the string ...
分类:其他好文   时间:2020-02-13 13:12:48    阅读次数:61
LeetCode | 0141. Linked List Cycle环形链表【Python】
LeetCode 0141. Linked List Cycle环形链表【Easy】【Python】【双指针】 题目 "英文题目地址" Given a linked list, determine if it has a cycle in it. To represent a cycle in th ...
分类:编程语言   时间:2020-02-13 12:52:02    阅读次数:65
[LC] 1007. Minimum Domino Rotations For Equal Row
In a row of dominoes, A[i] and B[i] represent the top and bottom halves of the i-th domino. (A domino is a tile with two numbers from 1 to 6 - one on ...
分类:其他好文   时间:2020-02-11 11:48:25    阅读次数:101
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