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The measures of China's air pollution
The expiring action plan The earlier Air Pollution Action Plan, released in September 2013, may have been China’s most influential environmental polic ......
The measures of solving water issues
（1）Proper Sewage TreatmentAs a way of reducing the pollution load to zero, there is a need for the more advanced engineered cleaning process. Some dev ......
Fight Hard for Ecological Protection and Governance of the Yellow River to Address the Water Contamination
1.Effective measure aimed at addressing the water contamination: We will fight hard for ecological protection and governance of the Yellow River. We w ......
train_logReg_param.o:train_logReg_param.cc:(.text+0x3407): more undefined references to `std::__throw_out_of_range_fmt(char const*, ...)' follow
001、make 编译 报错：train_logReg_param.o:train_logReg_param.cc:(.text+0x3407): more undefined references to `std::__throw_out_of_range_fmt(char const*, ... ......
The solution of soil erosion
Solution of soil erosion (1) Engineering measures: building terraces, damming and silting land, using earthwork and concrete works, fish scale pits, e ......
The governance measures of marine oil pollution
The governance measures (1). Preventive measures. Prevention is one of the most effective control methods, including the following aspects: a. Strengt ......
C++ insert into tables of pgsql via libpq-fe.h and compile by g++-13
1.Install libpq-dev sudo apt install libpq-dev locate libpq-fe.h /usr/include/postgresql/libpq-fe.h 2.create table t1 create table t1(id bigserial not ......
The PRC's Policy of Tackling Water Pollution
THE POLICY CONTEXT The industrial water management system in the PRC is spread over two phases (see Figure 1). The first phase is "before-process", wh ......
the use of photovoltaic to prevent and control desertification
Land desertification is one of the main causes of sandstorm disaster. With the further intensification of global warming, desertification is becoming ......
Carbon Trading Scheme——One of China’s Innovative Strategies for Addressing Global Warming
Introduction China, as the world’s largest emitter of greenhouse gases, recognizes the urgent need to tackle the global warming problem. Over the year ......
The use of green energy can effectively solve the problem of air pollution
The use of green energy can effectively solve the problem of air pollution 一、the operation of green energy Green energy refers to a way of producing a ......
mysql 查询报错Expression #1 of SELECT list is not in GROUP BY clause and contains nonaggregated column
这个错误是由于 MySQL 的新版本中默认开启了ONLY_FULL_GROUP_BY模式，即在 GROUP BY 语句中的 SELECT 列表中，只能包含分组或聚合函数，不能包含其他列。而你的查询语句中出现了一个列senior_two.score.student_id，它既没有被分组也没有被聚合，因 ......
EF报错：Unable to create an object of type 'XXXXXXX'. For the different patterns supported at design time, see https://go.microsoft.com/fwlink/?linkid=851728
这个是在EF迁移的时候报错： 解决方案：修改你的MyDbcontext： 代码如下： public class StoreDbContexttFactory : IDesignTimeDbContextFactory< ‘你的类名’> { public ‘你的类名’CreateDbContext(s ......
The Measures of Ocean Trash
Ocean Trash Solutions: 7 Things You Can Do Today Everyone can do something to help solve the plastic pollution problem, and millions of people worldwi ......
P9194 [USACO23OPEN] Triples of Cows P 题解
Description 给定一棵初始有 \(n\) 个点的树。 在第 \(i\) 天，这棵树的第 \(i\) 个点会被删除，所有与点 \(i\) 直接相连的点之间都会两两连上一条边。你需要在每次删点发生前，求出满足 \((a,b)\) 之间有边，\((b,c)\) 之间有边且 \(a\not=c\) ......
k8s初始化init时出现Initial timeout of 40s passed
这个问题在搭建K8S集群时卡了很久，使用了网上各种方法，今天查看日志很快就解决了，记录一下 在执行命令，初始化时： kubeadm init --kubernetes-version=v1.27.3 --pod-network-cidr=10.244.0.0/16 --apiserver-adver ......
Introducing the core concepts of Kafka
Introduction I have learnt the kafka since 5 years, I believe I learnd somthing, It is on time for improving english. So I decided to pick up my blogs ......
One specific Eco-Environmental Protection Measure of light pollution
In this section, I will show the specific legal measures for light pollution in a comparative form. Foreign light pollution legislation experience On ......
Drawdown——A New Way of Thinking About and Acting on Global Warming
Definition of drawdown: Drawdown is that point in time when atmospheric concentrations of greenhouse gases begin to decline on a year-to-year basis. M ......
The art of shellcode
目录1-如何编写shellcode1-1 纯手搓1-1-1 纯汇编1-1-2 内联汇编1-1-3 使用tiny_libc1-2 借助工具1-2-1 pwntools的shellcraft1-2-2 alpha31-2-3 AE641-2-4 shellcode encoder1-2-5 msf生成1 ......
Glibc堆利用之house of系列总结
目录1-前言2-house of系列2.1-house of spirit漏洞成因适用范围利用原理相关技巧利用效果2.2-house of einherjar漏洞成因适用范围利用原理相关技巧利用效果2.3-house of force漏洞成因适用范围利用原理相关技巧利用效果2.4-house of ......
GlibcHeap-house-of-muney分析
目录GlibcHeap-house-of-muney分析前言利用原理ELF文件解析符号查找利用过程POC思考参考 GlibcHeap-house-of-muney分析 house of muney的学习笔记。 前言 遇到了好几次hosue of muney相关的题目，之前并没有深入地分析house ......
House of apple 一种新的glibc中IO攻击方法 (3)
目录House of apple 一种新的glibc中IO攻击方法 (3)前言利用条件利用原理利用思路利用_IO_wfile_underflow函数控制程序执行流利用_IO_wfile_underflow_mmap函数控制程序执行流利用_IO_wdo_write函数控制程序执行流使用_IO_wfil ......
House of apple 一种新的glibc中IO攻击方法 (2)
目录House of apple 一种新的glibc中IO攻击方法 (2)前言利用条件利用原理利用思路利用_IO_wfile_overflow函数控制程序执行流利用_IO_wfile_underflow_mmap函数控制程序执行流利用_IO_wdefault_xsgetn函数控制程序执行流例题分析总 ......
TypeError: Cannot read properties of null (reading 'level')
一、分析问题 1、一个下拉框组件的更新由另一个下拉框组件控制被动更新列表，子级下拉框的值是由父级下拉框的值调用接口获取，每次父级下拉框值的改变都会改变子级下拉框的数据源也就是会改变子级下拉框的options，切换后之前的父级节点找不到就会报了这个错，父级节点不改变(即不切换)的话不会报错 二、解决方 ......
Control measures of land pollution
Soil is a necessary condition for human survival and reproduction, and soil environmental quality is related to people's livelihood and well-being, ec ......
Codeforces Round 428 (Div. 2) B. Game of the Rows
题目链接 题面翻译 现在有 \(K\) 个队，飞机有 \(N\) 排座位，每排能坐 \(8\) 个人，不同队伍的人不能坐相邻的位置。 相邻情况有 \(5\) 种 \((1, 2), (3, 4), (4, 5), (5, 6), (7, 8)\)。请问这 \(n\) 排座位是否够坐。 （\(K\) ......
LeetCode #1131 Maximum of Absolute Value Expression 绝对值表达式的最大值
安装Flutter环境首先配置flutter3开发环境，照着官方教程傻瓜式安装即可。>>安装和环境配置 | Flutter 中文文档 | Flutter 中文开发者网站注意在国内网络环境下需要进行一些额外的环境配置：>>在中国网络环境下使用 Flutter | Flutter 中文文档 | Flut ......
The Prevention of Water Contamination
The prevention and control of water contamination should adhere to the principles of giving priority to prevention, protection, combination of prevent ......