raspberry connect methods to

undefined reference to `add(int, int)'

一、概述 使用cmake编译C++项目报 undefined reference to `add(int, int)' 项目中有.cpp文件,有.h文件,有.c文件。也就是c和c++混编。其中.cpp文件引用了.c的头文件 现象: 从上面可以看出其实这几个.cpp和.c文件都已经编译过了。但是就会提 ......
undefined reference int add 39

How To Solve The Problem Of Air Pollution

How To Solve The Problem Of Air PollutionThe report "China's Carbon Neutrality and Clean Air Synergy Pathway (2023)" was published in Beijing on Novem ......
Pollution Problem Solve How Air

Silt Dam--An Engineering Measure to Soil Erosion

What is silt dam? Silt dam, refers to the soil erosion area at all levels of ditches built to stop the mud, silt for the purpose of soil and water con ......
Engineering Measure Erosion Silt Soil

To_Heart—题集——和她一同旋转的还有我的未来

1.ARC101E link && submission 一直认为容斥都是人类智慧题 容斥!定义 f[s] 表示 s 集合内部的边一定没有被染色。那么答案就是 \(\sum (-1)^k f[s]\),其中 k 是 s 的 size。 没有染色说明什么?不妨假设一条边 \(i \in s\) ,那么 ......
To_Heart Heart To

ALLEGRO导网表报错This reference has already been assigned to a different package type

(1)QUESTION(ORCAP-1589): Net has two or more aliases - possible short?原因:器件默认管脚命名(NET名称)与所连接网络的NET名称不一致导致的措施:可忽略。或关闭Tools->Design Rules Check->Physica ......
表报 reference different assigned ALLEGRO

Git拉取失败 Your local changes would be overwritten by merge.Commit, stash or revert them to proceed.

今天在使用Git pull 代码的时候,出现了这样的问题: Git Pull Failed Your local changes would be overwritten by merge. Commit, stash or revert them to proceed. 这是因为本地有文件改动未提 ......
overwritten changes proceed Commit revert

How to use github action auto push docker image to docker hub

Docker Hub is a cloud-based registry service for Docker containers. It provides a platform for Docker users to share and distribute container images. ......
docker github action image to

Welcome to YARP - 5.身份验证和授权

目录 Welcome to YARP - 1.认识YARP并搭建反向代理服务 Welcome to YARP - 2.配置功能 2.1 - 配置文件(Configuration Files) 2.2 - 配置提供者(Configuration Providers) 2.3 - 配置过滤器(Confi ......
身份 Welcome YARP to

Methods of garbage disposal

After the collection and transportation of household waste, it enters the treatment process. The treatment method for household waste is centralized a ......
disposal Methods garbage of

使用navicat连接SQL Server出错SQLSTATE[08001]:[ODBC Driver 17 for SQL Server]Connection string is not valid;max_provs:连接字符串无效[87]

使用Navicat连接SqlServer一直报错 经过排查,发现主机地址得使用,逗号来分隔端口号,如下图 在此记录避免忘记。 感谢网友 使用navicat连接SQL Server出错SQLSTATE[08001]:[ODBC Driver 17 for SQL Server]Connection s ......
Server 字符串 Connection SQL max_provs

Error adding module to project: null I(IDEA创建maven项目时遇到此提示)

1.问题 在已创建一个springboot项目的时候,想要再增添一个Maven项目,发生报错 2.解决 根本原因是创建maven模块时选择的sdk版本过高(选用了openjdk19)。选用jdk1.8解决问题。 但是博主在该用jdk1.8创建Maven项目时还是报错,发现是需要就爱那个前一个spri ......
project 项目 adding module Error

USB(2.0 / Type-C) to MPSSE(JTAG / SPI / IIC) / UART / FIFO: FTDI 的桥接芯片选型

首次使用 FTDI 的 USB bridging chips 是在 Amazon 工作期间,需要通过 PC电脑上 Linux 开发环境 的 Kermit 软件, 经由FTDI的USB to UART串口线 对 Amazon Kindle 进行 Hardware/OS/Framework/Softwa ......
芯片 Type-C MPSSE Type JTAG

Current Outdoor Lighting Policies in China: Measures to Control Light Pollution

AbstractLight pollution is a serious environmental issue with many adverse effects on human health and the ecosystem as a whole. Accordingly, many cou ......
Pollution Lighting Measures Policies Current

One Policy To Address Water Contamination

China announced an action plan that includes a list of measures to tackle water pollution, with the aim of improving the quality of the water environm ......
Contamination Address Policy Water One

Configuration failed to find one of freetype2 libpng libtiff-4 libjpeg.

001、问题,安装 devtools中遇到如下报错:Configuration failed to find one of freetype2 libpng libtiff-4 libjpeg. 002、解决方法: [root@pc1 ~]# yum install freetype-devel l ......

[ARC105F] Lights Out on Connected Graph 题解

题意 给定一个 \(N\) 个点 \(M\) 条边的简单无向联通图 \(G\)。每个边有红和蓝两种颜色,初始时每条边均是红色。 现在通过移除 \(G\) 中的一些边来获得一个新的无向图 \(G^{\prime}\),求在所有的 \(2^M\) 种方案中有多少种方案可以使得 \(G^{\prime}\ ......
题解 Connected Lights Graph 105F

整理《DQNViz: A Visual Analytics Approach to Understand Deep Q-Networks》

DQNViz: A Visual Analytics Approach to Understand Deep Q-Networks 论文/强化学习可视化 摘要 打算研究深度强化学习方向,整理最近的一篇 2019 年的论文,作为总结思考! 论文介绍 该论文是一篇 2019 年,有关基于可视化进行强化学 ......

SpringOne Essentials | From Spring Native to Spring Boot 3 | Spring Framework 6: Infrastructure Themes

Schedule | SpringOne Essentials From Spring Native to Spring Boot 3 | SpringOne Essentials Spring Framework 6: Infrastructure Themes | SpringOne Essen ......

Approximation with Gradient Descent Method

title: Approximation with Gradient Descent Method layout: page categories: data analysis Polynomial Approximation with Gradient Descent Method Suppose ......
Approximation Gradient Descent Method with

ERROR: npm v10.2.1 is known not to run on Node.js v14.16.0. npm版本降级用法介绍

一、为什么需要npm版本降级 1、由于不同版本之间可能存在兼容性问题,需要将版本降为可以支持的版本。 2、某些应用程序可能只支持特定的npm版本,因此需要将npm版本降级到兼容的版本。 3、某些时候新版本的npm会导致应用程序不稳定或出现问题,因此需要将npm版本降级到稳定的版本。 为避免这些问题, ......
npm 版本 ERROR known Node

configure: error: You need zlib >= 1.2.3 to build bin/PopLDdecay

001、问题:configure: error: You need zlib >= 1.2.3 to build bin/PopLDdecay 002、解决方法 yum -y install zlib zlib-devel 003、测试 参考: 01、https://blog.csdn.net/qq ......
PopLDdecay configure build error need

Paper Reading: A hybrid deep forest-based method for predicting synergistic drug combinations

为了解决联合用药数据的不平衡、高维、样本数量有限的问题,本文首先构建了一个由药物的物理、化学和生物特性组成的特征集,包括了丰富的生物学信息。特征空间的每个维度都有特定的含义,便于进行可解释性分析,找出预测过程中的关键特征。针对这种不平衡的高维中型数据集,提出了一种改进的基于 Deep Forest ... ......

CF1890D Doremy's Connecting Plan

或许赛时根本不需要证明贪心的正确性。 我们发现 \(c\) 对于问题的影响不大,我们可以将每个 \(a_i\) 除以 \(c\),就转化为了 \(c=1\) 的情况。 一个自然的贪心是用 \(1\) 作为中心点去连接其他的所有点,这需要两条结论保证其正确性: 结论一: 如果当前图中还可以连边,点 \ ......
Connecting Doremy 1890D 1890 Plan

【转载】The Beginner’s Guide to Creating and Selling Cheat Sheets

【from】https://medium.com/practice-in-public/the-beginners-guide-to-creating-and-selling-cheat-sheets-23756af06b12 This is 10x better than your 50-page ......
Beginner Creating Selling Sheets Guide

异常Couldn’t connect to host, port: smtp.qq.com, 25

com.sun.mail.util.MailConnectException: Couldn’t connect to host, port: smtp.qq.com, 25; timeout -1阿里云处于安全考虑,TCP 25 端口默认被封禁。可以向阿里云申请解封,也可以改为ssl加密465端口 ......
connect Couldn host port smtp

libtorch+cuda12编译失败,Failed to find nvToolsExt

参考链接:Failed to find nvToolsExt - C++ - PyTorch Forums 即在安装了cuda12后再下载cuda11的安装包,并且只选择如图组件。 ......
nvToolsExt libtorch Failed cuda find

How to prevent salinization of land

How to prevent salinization of land 一.Measures: 1.It can be analyzed and operated by leveling the land, improving cultivation, fertilization, sowing, ......
salinization prevent land How to

Centos7 报No suitable device found for this connection错误,无法启动网卡

# 先备份网卡配置文件 [root@xiaojing ~]# cd /etc/sysconfig/network-scripts/ [root@xiaojing network-scripts]# cp ifcfg-ens33 ifcfg-ens33.bak #生成新的UUID,并追加到网卡配置文件 ......
网卡 connection suitable 错误 Centos7

The Policy to Solve Air Pollution

One of the many specific measures and policies China has implemented to solve the problem of air pollution is to implement the Action Plan for the Pre ......
Pollution Policy Solve The Air

【Git 教程系列第 27 篇】ssh: connect to host github.com port 22: Connection refused 的解决方案

https://blog.csdn.net/qq_42351033/article/details/131612279 ssh: connect to host github.com port 22: Connection timed out fatal: Could not read from r ......