learning summary second the

The Take-out Management Platform

# The Take-out Management Platform ## 1.Project Introduction Before we start develop this project: ​ As a software engineer ,we should know: 1. The pr ......
Management Take-out Platform Take The

Impact of SBS/HVA/CRM Modified Asphalt on the Moisture Stability of Recycled Hot-mix Asphalt Mixtures

SBS/HVA/CRM改性沥青对再生沥青混合料水稳定性的影响 Impact of SBS/HVA/CRM Modified Asphalt on the Moisture Stability of Recycled Hot-mix Asphalt Mixtures 武汉工程大学 土木工程与建筑学院 ......
Asphalt Stability Modified Mixtures Moisture

How to Delete a User from the Command Line

How to Delete a User from the Command Line Steven Vona, March 22, 2019 When running a Linux system it is always best practice to delete unnecessary us ......
Command Delete User Line from

The 2023 Guangdong Provincial Collegiate Programming Contest(2023广东省赛)

链接:[https://codeforces.com/gym/104369](https://codeforces.com/gym/104369) ## A. Programming Contest C++ Code ```cpp #include "bits/stdc++.h" using nam ......

map.xml文件报The content of element type "mapper" must match "(cache-ref|cache|resultMap*|parameterMap*

出现这个问题 是因为 <insert></insert> <delete></delete> <update></update> <select></select> 等标签写的不完整 或者写错位置了 比如<insert></insert>只写了一个,没有写结尾</insert> 或者<insert> ......
quot cache parameterMap cache-ref resultMap

Paper Reading: Exploratory Undersampling for Class-Imbalance Learning

本文是不平衡分类问题的经典论文,文中提出了 2 种不平衡集成学习模型都是简单而有效的 baseline 方法。 EasyEnsemble 方法直接对多数类样本进行采样得到几个子集,并使用这些子集分别训练基分类器。BalanceCascade 是使用训练好的分类器来指导后续分类器的采样过程,即在上一个... ......

Meta Learning(元学习)

Meta Learning(元学习) 元学习:学习如何学习:也是找一个函数,这个函数是学习算法,输出训练好的模型 假如教机器做了训练影像分类、影像识别等任务的模型,再去教机器训练语音识别的模型时,他可能学的更好,虽然语音和影像没有什么关系,但机器在多次的学习训练其他模型过程中,可能学到了如何去学习 ......
Learning Meta

Life Long Learning(机器终身学习)

Life Long Learning(机器终身学习) Selective Synaptic plasticity(选择性突触可塑性) 只让类神经网路中,某一些神经元或某些神经元间的连接具有可塑性(只有部分的连接是有可塑性的,有些连接必须被固化,不能改变或移动他的数值) 为什么会灾难性遗忘: 假设模型 ......
Learning 终身 机器 Life Long

概述增强式学习(Reinforcement Learning)

概述增强式学习(Reinforcement Learning) Supervised Learning(自监督学习):告诉机器输入和输出,用有标注的训练资料训练出的Network Reinforcement Learning(增强式学习):给机器一个输入,我们不知道最佳输出是什么(适用于标注困难或者 ......
Reinforcement Learning

【大联盟】20230701 传送(b) QOJ1878 【No Rest for the Wicked】

## 题目描述 [here](https://qoj.ac/problem/1878)。 ## 题解 考虑一条路径上只有 $a$ 的前缀 $\max$ 才是有用的,不妨考虑按照前缀 $\max$ 来划分。可以发现,这些连续段直接存在单向边连接。 现在,我们考虑如何求出这些连续段。一个点 $i$ 可以 ......
大联盟 20230701 Wicked 1878 Rest

[ABC310G] Takahashi And Pass-The-Ball Game

Problem StatementThere are $N$ Takahashi. The $i$-th Takahashi has an integer $A_i$ and $B_i$ balls. An integer $x$ between $1$ and $K$, inclusive, wi ......
Pass-The-Ball Takahashi 310G Pass Ball

ERROR 1709 (HY000): Index column size too large. The maximum column size is 767 bytes.

MySQL版本5.6.35 在一个长度为512字符的字段上创建unique key报错 CREATE DATABASE dpcs_metadata DEFAULT CHARACTER SET utf8; select * from information_schema.SCHEMATA; + + + ......
column size maximum ERROR Index

LLM is all you need for the backend

一、LLM给软件开发范式带来了什么改变? 人们一直在说Github Copilot将取代程序员。我们认为这是错误的。我们已经有了类似GPT-4这种强大的LLM模型,却还要把自己限制在编写传统代码上吗?不!所有代码都有bug! 代码不是对业务逻辑进行编码的理想方式,代码必须经过审查,并且它按照程序员的 ......
backend need LLM all for

what is the retrievers in LangChain?

see: Retrievers | 🦜️🔗 Langchain https://blog.langchain.dev/retrieval/ 按文档说的Retriever就是一个接口,可以把和query相关的文档都查询出来,而vectorDB是否成retriever的关键组件之一。 ......
retrievers LangChain what the is

Measuring and Narrowing the Compositionality Gap in Language Models

[TOC] > [Press O., Zhang M., Min S., Schmidt L., Smith N. A. and Lewis M. Measuring and narrowing the compositionality gap in language models. arXiv p ......

Kingbase8: was aborted: ERROR: sorry, too many global temporary relations in backend already. Call getNextException to see other errors in the batch.

==额....今天踩了一个坑,找个半天找到的解决方法== 设置一个会话内最多允许的全局临时表数据和索引的最大文件数量,默认值为32,最小值为1,最大值为1024。这个文件数量并不是实际磁盘看到的文件数目,而是一些依附于这个表的扩展关系文件,比如索引、大对象等。一般情况下,一个全局临时表只会占用参数中 ......

C# 使用EPPlus 操作excel The given key '8' was not present in the dictionary.

使用EPPlus 删除excel中某一个sheet中的几列的时候,出现了The given key '8' was not present in the dictionary.的报错; 最开始的写法,是从前往后删除,出现错误//ExcelWorksheet sheet = package.Workb ......
dictionary present EPPlus excel given

安装 MySQL for Windows 时报错 The configuration for MySQL Server 8.0.34 has failed. You can find more information about the failures in the 'Log' tab. 解决方法

今天在安装 MySQL for Windows 时报错 ```txt The configuration for MySQL Server 8.0.34 has failed. You can find more information about the failures in the 'Log' ......
MySQL configuration information for the

解决./composer.json" does not match the expected JSON schema

如果执行composer install的时候报错 "./composer.json" does not match the expected JSON schema: - name : Does not match the regex pattern ^[a-z0-9]([_.-]?[a-z0-9 ......
composer expected schema match JSON

CF1083F The Fair Nut and Amusing Xor

#### 简要题意: 给你两个序列 $a,b$,一次操作可以将 $a$ 的某一个长度为 $k$ 的子区间全部异或上任意值,$f(a,b)$ 为使得 $a$ 和 $b$ 相同的最少的操作数量。 支持单点修改 $a,b$,并在开头和每次修改后输出 $f(a,b)$ 的值。 $n,k,q\le 2\tim ......
Amusing 1083F 1083 Fair The

CF1361E James and the Chase

#### Description 给定一个有 $n$ 个点 $m$ 条边的**有向强连通图**。称一个点是**好的**当且仅当它到其他点都有且只有一条**简单路径**。如果好的点至少有 $20\%$ 则输出所有好的点,否则输出 `-1`。 $\sum n\leq 10^5,\sum m\leq 2\ ......
1361E James Chase 1361 and

CF1152F2 Neko Rules the Catniverse (Large Version) 题解

发现挨位考虑填哪个不太现实,考虑值域。 令 $dp_{i,j,st}$ 表示考虑到 $i$,此时序列长度为 $j$,$i-m$ 到 $i-1$ 填空状态为 $st$ 的方案数,考虑选/不选数即可: $dp_{i,j,st}\times (\text{popcount}(st)+1)\to dp_{i ......
题解 Catniverse Version 1152F Large

arcgis注册postgresql失败。postgres be sure the databse client software is installed and configured correct

解决: 将PostgreSQL\9.1\bin目录下的Libpq.dll,Libeay32.dll, Libintl-8.dll, Ssleay32.dll复制一份放在ArcGIS Server安装目录的Server\bin***意:这里拷贝的文件需要都是64位的。 重启arcgis server服 ......

NVIDIA-SMI has failed because it couldn't communicate with the NVIDIA driver. Make sure that the latest NVIDIA driver is installed and running.

###问题提示: ` NVIDIA-SMI has failed because it couldn't communicate with the NVIDIA driver. Make sure that the latest NVIDIA driver is installed and runn ......

【863】Calculate records based on the same value

Suppose we have a dataframe, it has a column of "country". It lists different names of country's names, and for one country maybe it has multiple reco ......
Calculate records based value same

Linux系统Apache报错httpd: Could not reliably determine the server's fully qualified domain name, using localhost.localdomain. Set the 'ServerName' directive globally to suppress this message

解决办法: 在配置文件中加一句ServerName localhost:端口号 # echo "ServerName localhost:8068" >> /etc/httpd/conf/httpd.conf 重启Apache即可解决。 ......

machine learning-2023-07-19

questions【链接】 │ │──math │ │──线性回归 │ │──逻辑回归 │ └──梯度下降 │ │──python │ │──numpy(科学计算库) │ │──pandas(数据分析处理库) │ │──matplotlib(数据可视化库) │ └──scikit-learn(机器学 ......
learning machine 2023 07 19

HTTP/2 stream 1 was not closed cleanly before end of the underlying stream解决

通过git clone 文件时报错 HTTP/2 stream 1 was not closed cleanly before end of the underlying stream 解决: git config --global http.versioin HTTP/1.1 重新git clon ......
stream underlying cleanly closed before

Learn about some useful truck diagnostic scanner tools

Have you ever experienced the frustration of unexpected breakdowns with your truck? Or maybe you’re tired of paying expensive diagnostic fees at your ......
diagnostic scanner useful Learn about

升级EF7连接SQL server出错SqlException: A connection was successfully established with the server, but then an error occurred during the login process. (provider: SSL Provider, error: 0 - 证书链是由不受信任的颁发机构颁发的。)

今天把项目里的Microsoft.EntityFrameworkCore.SqlServer和Microsoft.EntityFrameworkCore.Tools从6.0.6升级到了最新的7.0.9。一运行程序出错了。 ![img](https://img2023.cnblogs.com/blog ......