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A Simple Problem with Integers POJ - 3468 (区间修改+区间查询)
A Simple Problem with Integers POJ - 3468 You have N integers, A1, A2, ... , AN. You need to deal with two kinds of operations. One type of operation ...
分类:其他好文   时间:2020-05-05 00:23:29    阅读次数:80
[20-05-04][Thinking in Java 4]Java Inheritance 2 - Proxy
1 package test_1_2; 2 3 public class SpaceShipControls { 4 5 /** 6 * 代理 7 */ 8 9 public void up(int velocity) { 10 11 System.out.println("up" + veloci ...
分类:编程语言   时间:2020-05-04 13:35:04    阅读次数:64
矿大OJ 1768.Power Strings.
题目描述 Given two strings a and b we define a*b to be their concatenation. For example, if a = "abc" and b = "def" then a*b = "abcdef". If we think of co ...
分类:其他好文   时间:2020-05-03 18:40:49    阅读次数:162
thinkphp6 多应用模式获取当前应用名称
打开app下面的Request.php进行编辑 <?php namespace app; class Request extends \think\Request { } 添加如下方法, <?php namespace app; class Request extends \think\Reques ...
分类:Web程序   时间:2020-05-03 16:35:19    阅读次数:326
CF1000E We Need More Bosses [缩点,直径]
根据强连通分量的性质,对于 $u,v\in V$,$u$ 可以到达 $v$,$v$ 可以到达 $u$。 显然同一个强连通分量的不是必经边,所以缩完搞个直径就完事了。 ...
分类:其他好文   时间:2020-05-02 18:51:42    阅读次数:43
数据可视化之DAX篇(二十)Think in DAX 之报表自动化实践
https://zhuanlan.zhihu.com/p/107672198 ?本文来自星友袁佳林的实践分享,他参加了PowerBI星球中的DAX圣经第二版100天学习打卡活动,已持续分享近100天,对DAX的理解自然更深了一些,本文就是他利用DAX解决问题的一种思路。 Think in DAX 之 ...
分类:其他好文   时间:2020-05-01 20:50:15    阅读次数:66
Sometimes you just need a straight SWITCH
I used to sovle questions by spilt it into very basic parts. But sometimes it is hard to rebuild the "wheel" or just not convenient to do so. Not only ...
分类:其他好文   时间:2020-05-01 16:37:11    阅读次数:63
TP5.1 whereOr查询
tp5 给的whereOr方法在不仔细阅读文档的情况下会遇到一些问题 先看下代码: $this->modelLineModel->where('status',1)->whereOr(['area1_id'=>2341,'area2_id'=>2])->select(); 想着应该是whereOr里 ...
分类:其他好文   时间:2020-04-30 15:08:56    阅读次数:322
CF796C Bank Hacking 题解
题目描述 Although Inzane successfully found his beloved bone, Zane, his owner, has yet to return. To search for Zane, he would need a lot of money, of whi ...
分类:其他好文   时间:2020-04-30 09:32:09    阅读次数:48
2E Bank Hacking——思维题
"题目" Although Inzane successfully found his beloved bone, Zane, his owner, has yet to return. To search for Zane, he would need a lot of money, of whi ...
分类:其他好文   时间:2020-04-29 23:39:16    阅读次数:77
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