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Largest 1-Bordered Square
Given a 2D grid of 0s and 1s, return the number of elements in the largest square subgrid that has all 1s on its border, or 0 if such a subgrid doesn' ...
分类:其他好文   时间:2020-02-02 13:34:56    阅读次数:73
LeetCode Solution-82
82. Remove Duplicates from Sorted List II Given a sorted linked list, delete all nodes that have duplicate numbers, leaving only distinct numbers from ...
分类:其他好文   时间:2020-02-02 12:06:41    阅读次数:68
leetcode328 Odd Even Linked List
1 """ 2 Given a singly linked list, group all odd nodes together followed by the even nodes. Please note here we are talking about the node number and ...
分类:其他好文   时间:2020-02-01 23:19:31    阅读次数:69
Note 4: Campus life
1. The collection of Linkun's [1]:1.1 He is a fraternity brotherWhen all is said and done, this is a good way to get oneself involved in a new society ...
分类:其他好文   时间:2020-02-01 21:36:22    阅读次数:76
SQLAlchemy用法
查询 DBSession.query('表名').all() # 查询全部 DBSession.query('表名').filter(字段名=查询值).all() # 查询字段名是查询值的所有数据 DBSession.query('表名‘).count() # 查询表里一共有多少数据 DBSessi ...
分类:数据库   时间:2020-02-01 15:57:54    阅读次数:82
Shevon‘s Blog
由于a link是disabled属性设置成true,只是颜色变灰色但是还能提交.要想不能提交,可以删除href属性:disable link[html] view plaincopyfunction disableLink(link) { //link.disabled = true; link.... ...
分类:其他好文   时间:2020-02-01 12:37:47    阅读次数:74
Codeforces 1207F:Remainder Problem
You are given an array a consisting of 500000 integers (numbered from 1 to 500000). Initially all elements of a are zero. You have to process two type ...
分类:其他好文   时间:2020-02-01 10:57:47    阅读次数:74
sql server使用cte递归查询获取树形的父节点/子节点
从SQL Server2005开始,可以直接通过CTE来支持递归查询。CTE(Common Table Expression,公用表表达式)是一个在查询中定义的临时命名结果集,这个结果集可以被后面紧跟着的from子句使用。每个CTE仅能被定义一次,但是在其作用域内可以被引用多次,并且在该查询生命周期 ...
分类:数据库   时间:2020-02-01 10:43:28    阅读次数:91
PAT Advanced 1013 Battle Over Cities (25分)
It is vitally important to have all the cities connected by highways in a war. If a city is occupied by the enemy, all the highways from/toward that c ...
分类:其他好文   时间:2020-02-01 01:04:58    阅读次数:91
xpath爬虫匹配 <li><a href='aaaa.html'>AAA</a></li> 路径
代码: 1 page.addTargetRequests( 2 page.getHtml().xpath("//div[@class='rinfo']/a/@href").all()); 实战代码: ...
分类:Web程序   时间:2020-02-01 00:54:05    阅读次数:115
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