shadow the dog and

ignore the hidden files in python

import os root = "/Users/Siddhartha/Desktop/py scripts" for item in os.listdir(root): if not item.startswith('.') and os.path.isfile(os.path.join(root ......
ignore hidden python files the

what's the difference between const and constexpr in C++?

Both const and constexpr are used to define constants in C++, but they have different meanings and use cases. const is used to declare a variable as c ......
difference constexpr between const what

what are the primitive types of C++?

In C++, there are several primitive data types, which are also known as fundamental or built-in data types. These include: Integer types: Used to repr ......
primitive types what are the

The Witness Set

$\text{Special For The Witness}$ 简介 说实话这个版块是对于$\text{The Witness}$这一游戏的致敬, 只为它给我带来的强烈的思维和视觉的双重冲击,让我体验到什么才真正可以被称作“第九艺术”。 不论是整个游戏的画质还是其中谜题的质感都让我回味无穷, 特别 ......
Witness The Set

【CF1515E Phoenix and Computers】(插入法dp)

原题链接 题意 给定 $n$,$M$。你有 $n$ 台电脑排成一排,你需要依次开启所有电脑。 你可以手动开启一台电脑。在任意时刻,若电脑 $i-1$ 与电脑 $i+1$ 都已经开启 $(1<i<n)$,电脑 $i$ 将立刻被自动开启。你不能再开启已经开启的电脑。 求你有多少种开启电脑的方案。两个方案 ......
Computers Phoenix 1515E 1515 and

Codeforces Round 760 (Div. 3) D. Array and Operations(贪心)

https://codeforces.com/contest/1618/problem/D 题目大意: 给定一个长度为n的数组a,我们可以进行m次操作: 每次操作可以任意选择两个不同的下标的数字x和y,并把它两删除,替换成x/y(但是x/y不可以再被选择进行除数运算了)。 问我们这样剩下来的数列的最 ......
Codeforces Operations Array Round 760

Red and Black HDU - 1312 (连通块的大小)

题意:求某点所在连通块的大小。 分析:由某点进行dfs,每次标记该点,并计数。 #include <bits/stdc++.h> using namespace std; typedef long long LL; const int N = 110, INF = 0x3f3f3f3f; strin ......
大小 Black 1312 Red HDU

Could not find a version that satisfies the requirement ModuleName

pip换源 pip使用官方源常见错误Could not find a version that satisfies the requirement ModuleName, 推荐永久修改成豆瓣源. pip config set global.index-url https://pypi.douban. ......

MinIO上传文件The difference between the request time and the server's time is too large.异常

问题 向MinIO上传文件时,抛出异常:The difference between the request time and the server‘s time is too large. 使用date命令修改CentOS时间后,异常依然存在。 相关Linux命令 查看系统时间:date 查看硬件 ......
time difference the between request

Using the Spring @RequestMapping Annotation

@RequestMapping is one of the most common annotation used in Spring Web applications. This annotation maps HTTP requests to handler methods of MVC and ......
RequestMapping Annotation Spring Using the

Implementation Matters in Deep Policy Gradients: A Case Study on PPO and TRPO

郑重声明:原文参见标题,如有侵权,请联系作者,将会撤销发布! Published as a conference paper at ICLR 2020 ......

CALL_AND_RETRY_LAST Allocation failed - JavaScript heap out of memory

网上查应该是node导致的内存溢出,64位电脑默认1.4G,32位电脑默认0.7G 在package.json 中的 Scripts 中添加 node 的参数 "scripts": { "serve": "node --max_old_space_size=10240 node_modules/@v ......

使用echarts防止出现“There is a chart instance already initialized on the dom.”的警告

var myChart; function historyMapInit(query_date) { //防止出现“There is a chart instance already initialized on the dom.”的警告 //在使用echarts发现需要及时对新建的myChart实 ......
initialized instance echarts already There

Paper Reading: XRRF — An eXplainable Reasonably Randomised Forest algorithm for classification and regression problems

本文提出了一种 XRRF 算法,它通过执行本文提出的 SGFL 和 RRF 算法来得到可解释性、准确性和可解释性之间的权衡。随后引入了基于决策路径特征提取的方法,根据具体的应用解释模型的输出。其中 SGFL 能确定有助于模型准确性的特征,同时保持特征关系的可靠性。RRF 算法则通过利用所提出的改进随... ......

Yaroslav and Two Strings CF296B

如果两个只包含数字且长度为 nn 的字符串 ss 和 ww 存在两个数字 1≤i,j≤n 使得 si<wi,sj>wj 则称 ss 和 ww 是不可比的。现在给定两个包含数字和问号且长度为 nn 的字符串, 问有多少种方案使得将所有问号替换成0到9的数字后两个字符串是不可比的 明显的容斥原理 但注意 ......
Yaroslav Strings 296B Two 296

CS61B学习笔记_Lecture4 References, Recursion, and Lists

还是得先熟悉java的语法规则,准备先回归CS61B了。。。 Bits: 计算机将信息储存为内存,用bits(0或1)序列表示这些信息。(一般简写为“b”,注意不要与字节Byte搞混,字节一般用“B”,一个英文字符一般是1个字节,一个中文字符一般是2B) 原始数据类型(Primitive Type) ......
References Recursion Lecture4 Lecture 笔记

AIG(And-Inverter Graph)基本概念

1 AIG概述 在前面的博文《Quine-McCluskey两级逻辑化简算法》中,我们介绍了两级逻辑的局限性。事实上主流EDA采用多级逻辑表示大规模布尔函数。本文介绍的AIG就属于多级逻辑表示法的一种。 AIG(AND-INV Graph)是由与门和非门构成的布尔网络,可有效地描述和操作大规模布尔函 ......
And-Inverter Inverter 概念 Graph AIG

Wide and Deep

存稿 ......
Wide Deep and

论文阅读笔记:Descent methods for elastic body simulation on the GPU (源代码及实现细节)

材料来源于 Descent methods for elastic body simulation on the GPU, ACMTransactions on Graphics (TOG), 2016. 0. 概述 在本论文中,提出了一种***。下面将详细介绍该方法的源代码及实现细节,并对照论文中 ......
源代码 simulation 细节 Descent methods

Targeting S+ (version 31 and above) requires that one of FLAG_IMMUTABLE or FLAG_MUTABLE be specified

最近在写代码时碰到如下错误: java.lang.IllegalArgumentException: com.example.imdemo: Targeting S+ (version 31 and above) requires that one of FLAG_IMMUTABLE or FLAG ......

Set Static IP Address And DNS On FreeBSD

https://ostechnix.com/set-static-ip-address-and-dns-on-freebsd/ vi /etc/rc.conf vi /etc/resolv.conf ......
Address FreeBSD Static Set And

spring.rabbitmq.listener.simple.acknowledge-mode = manual and auto 排查

spring.rabbitmq.listener.simple.acknowledge-mode=manual *配置改成手动之后,spring不会报错。所以需要消费者抛异常 *channel属性 basicNack和basicReject原生效果差不多;requeue重返队列; 1 @Rabbit ......

The command "npm run build" exited with code 1

新环境下,创建了一个Vue.js for VS: 在build时,出现了如标题一样的错误异常。The command "npm run build" exited with code 1。 第一步: npm run build -- --prod 第二步: npm run build --prod ......
quot command exited build code

box-shadow盒子阴影的书写顺序

box-shadow: 水平阴影 垂直阴影 模糊 阴影尺寸 颜色 外阴影转内阴影(默认外阴影) 例如: box-shadow: 10px 10px 5px 2px #ff4444 inset; ......
盒子 box-shadow 顺序 阴影 shadow

how can I use NSubstitute for stub and mock? any difference about the usage?

how can I use NSubstitute for stub and mock? any difference about the usage? NSubstitute is a popular mocking library for .NET that allows you to crea ......
NSubstitute difference about usage stub

Novelty and diversity in information retrieval evaluation

Clarke C. L. A., Kolla M., Cormack G. V., Vechtomova O., Ashkan A., B\ddot{u}ttcher S. and MacKinnon I. Novelty and diversity in information retrieval ......

oracle中 rownum between and 查不着数据

#关于 oracle 中 rownum between and 查不着数据 首先查询所有的 select emp.*,rownum from emp; 然后查出1到5的数据 select emp.*,rownum from emp where rownum between 1 and 5; 也能查出 ......
between 数据 oracle rownum and

The value of the cell C1 should not be a string value.

Aspose.cells打开文件之后输出为DataTable,是将第一行作为数据类型判断,列具有混合数据集错误代码 var cells = workbook.Worksheets[0].Cells; var detailTable = cells.ExportDataTable(0, 0, cell ......
value should string cell The

How to Copy and Paste Emojis Online?

1. What are Emojis? In modern communication, emojis have become an essential part of it. Emojis are graphical symbols used to express emotions, opinio ......
Emojis Online Paste Copy How

What's the role of Minipig animal models in drug development?

The development of various human diseases is highly complex. For drug developers to study human pathogenesis and pathological changes and observe and ... ......
development Minipig animal models What