://c2./cgi/wiki?SingletonsAreEvil Almost every use of singleton I have encountered was best replaced by an attribute accessor in a higher level object that is then either explicitly passed...
sed
转载 2022-01-06 15:24:47
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Improve your code by replacing concrete base classes with interfaces   SummaryMost good designers avoid implementation inheritance (the extends relationship) like the plague. As much as 80 per
转载 精选 2005-03-28 09:55:00
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Good vs EvilDescriptionMiddle Earth is about to go to war. The forces of good will have many battles with the forces of evil. Different races will cer...
转载 2015-07-10 14:41:00
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原文地址:://alphawang.com/blog/2014/09/utility-classes-are-evil/This post is a summary of this artical and this one.What's Utility ClassesA utility cl...
转载 2015-04-03 09:54:00
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传送门 分析 对于这道题,我们首先思考一个贪心策略,即对于所有我们要打败的厨师我们肯定可以先打败需使用帮助次数少的厨师再打败需使用帮助次数多的厨师 ,因为这样可以使得能支付得起帮助费用的可能性尽可能的大。在确定顺序之后我们便可以进行dfs啦,只需要在搜索过程中加一些可行性剪枝和最优性剪枝就行了。 代
转载 2018-07-25 14:37:00
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今天删除了我原来的spacemacs配置,原来使用了helm,这次想用一下ivy,计划重新安装一下。 安装的过程中,遇到了一个模块安装失败问题。启动的时候,会遇到如下提示:An error occurred while installing evil-unimpaired (error: (error Package lacks a "Version" o...
原创 2021-07-07 17:42:25
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问题描述The Demon is coming to our worlds. He's using a wheel with a thorn on the bo
原创 2023-04-24 07:38:10
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"D Dr. Evil Underscores" 参考: "Codeforces Round 613 (Div. 2)
原创 2022-11-03 15:26:41
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今天删除了我原来的spacemacs配置,原来使用了helm,这次想用一下ivy,计划重新安装一下。 安装的过程中,遇到了一个模块安装失败问题。启动的时候,会遇到如下提示:An error occurred while installing evil-unimpaired (error: (error Package lacks a "Version" o...
原创 2022-03-10 14:00:06
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效果如下 代码目录 js //main.js const BALLS_COUNT = 25; const BALL_SIZE_MIN = 10; const BALL_SIZE_MAX = 20; const BALL_SPEED_MAX = 7; // 设定画布和初始数据 const para =
转载 2019-04-16 15:53:00
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I didn't intend to start an "is evil" series, but several readers asked me to explain why I mentioned that you should avoid get/set methods in last month's column, "Why extends Is Evil." Though gett
转载 精选 2005-03-23 08:27:00
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描述:把所给的字符串变换成回文,并统计其变换次数,如果不能,则输出Impossible#include <cstdio>#include <cstdlib>#include <cstring>int main(){ // freopen("a.txt","r",stdin); int n,num[30]; scanf("%d",&n); while(n--) { char s[110]; memset(num,0,sizeof(num)); scanf("%s",s); Read More
转载 2013-03-29 20:47:00
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我清空了缓存之后再次测试,发现这个过程中在从github同步melpa的全部repo,由于网络问题失败。安装
原创 精选 2023-10-18 10:29:20
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题意:给你一棵树,有些节点有恶魔,恶魔有统一的影响范围,问你被所有恶魔都影响到的点有多少个。 解题思路:树形dp,难点就在于如何在从上往下的过程中消除掉从下往上的影响,我的方法就是记录一个 secdp值,来维护那个最小的距离。 解题代码: 1 // File Name: 337d.cpp 2 // Author: darkdream 3 // Created Time: 2015年
转载 2015-03-22 11:26:00
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Emacs-077-evil复制行行复制命令:yy粘贴:p
原创 2021-07-08 11:08:46
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Emacs-076-evil删除行删除行的操作:dd
原创 2021-07-08 11:08:47
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Emacs-076-evil删除行删除行的操作:dd
原创 2022-03-11 13:34:34
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Description A palindrome is a string of symbols that is equal to itself when reversed. Given an input string, not necessarily a palindrome, compute th
转载 2017-02-27 22:53:00
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Evil Straw Warts Live
原创 2022-11-10 00:00:39
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Emacs-077-evil复制行 行复制命令:yy 粘贴:p
原创 2022-03-10 17:39:36
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