programming computer using isom
2022-2023 ICPC Brazil Subregional Programming Contest(B,D,F,I,L,N)
# 正题 题目链接:[https://codeforces.com/gym/103960](https://codeforces.com/gym/103960) # B-Fun with Stones【博弈论,数位dp】 ## 题目大意 三个堆的取石子游戏，第 $i$ 个堆石子个数可能是 $[L_i ......
删除Docker镜像报错 image is being used by stopped container ae8f224fe0e1
该报错原因是因为镜像被其他容器引用 1.查询所有容器 包括未运行的 docker ps -a 2. 删除容器 docker rm 5573214dd069 3.删除镜像 docker rmi 9c7a54a9a43c ......
How to use handleChange() function in react component?
An onChange event is triggered when values are entered in the input. This fires a function handleChange(), that is used to set a new state for the inp ......
【转】python踩坑（FileNotFoundError: Could not find module '此处省略了一些路径win_amd64.dll' (or one of its dependencies). Try using the full path with constructor syntax.）
1、报错 （FileNotFoundError: Could not find module '此处省略了一些路径\site-packages\scipy\.libs\libbanded5x.GL5FZ7Y77HIKQFNMZKUOMV5GID6YMX2V.gfortran-win_amd64.dl ......
react-native项目启动报错 Error: `fsevents` unavailable (this watcher can only be used on Darwin)
react-native项目启动报错——watchman安装问题(mac pro) Looking for JS files in /Users/你的名称/Documents/project/文件夹名 Loading dependency graph.../Users/你的名称/Documents/ ......
centos7 安装 pylzma 失败:/usr/bin/ld: this linker was not configured to use sysroots
问题背景： centos7 安装 pythond的 pylzma 模块失败。 报错内容： pip install pylzma Collecting pylzma Using cached pylzma-0.5.0.tar.gz (4.2 MB) Building wheels for collec ......
在Vscode使用命令npm报错-The operation was rejected by your operating system. npm ERR! It's possible that the file was already in use (by a text editor or antivirus)
##报错信息: PS D:\disk\xubo\个人博客文章\27-Vue\资料（含课件）\vuedemo\vueproject> npm i pubsub-js npm ERR! code EPERM npm ERR! syscall open npm ERR! path D:\disk\soft ......
java.net.BindException: Address already in use: JVM_Bind <null> 的解决方案
# 问题描述 > 在学习SSM整合中 ， 启用Tomcat插件时出现以下错误 ```java java.net.BindException: Address already in use: JVM_Bind ``` 通过查阅资料发现是端口被占用了 # 解决方案 通过命令查看进程 ， 这里我的是808 ......
ABAP 泛型编程(Generic Programming) 在实际工作中的一个例子
ABAP（Advanced Business Application Programming）泛型编程是一种在 ABAP 语言中使用的编程范式，它允许编写可以处理多种数据类型的通用代码。泛型编程的目的是提高代码的复用性、灵活性和可维护性。通过使用泛型编程，开发人员可以编写一种通用的算法或数据结构，而 ......
【848】Data filtering in R programming
ref: R语言data.frame常用操作 ref: Keep rows that match a condition The filter() function is used to subset a data frame, retaining all rows that satisfy you ......
VS2022 - 取消global using
### 如何取消global using？ 最近下载最新版VS之后，会自动生成GlobalUsings.g.cs， 每次都想删除掉，但是都不好用，查了官网， 需要手动添加如下配置： `disable` 在csproj文件，也就是双击项目名，可以打开 ``` netcoreapp3.1 enable ......
C#中的using用法总结
using一般有两个作用： 1、作为语句，用于定义一个范围，在此范围的末尾将释放对象（IDisposable和IAsyncDisposable接口） 2、作为指令，用于引入命名空间或者类型，或者为引入的命名空间或者类型定义别名 using语句 using语句应该都很熟悉了吧，从最早的ADO.net， ......
mysql: [Warning] Using a password on the command line interface can be insecure.
https://zhuanlan.zhihu.com/p/542166965 ......
java.sql.SQLSyntaxErrorException: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '}' at line 1
# 问题 报错代码 ``` org.apache.ibatis.exceptions.PersistenceException: ### Error querying database. Cause: java.sql.SQLSyntaxErrorException: You have an err ......
再次认识using
今天看了同事代码，发现using新的语法糖。顿时来了兴趣，赶紧找文档看看，看看更新了那些东西  ## 基础用法 ......
2: using 命令
using static using static System.Console; internal class Program { static void Main(string[] args) { WriteLine("What is your name?"); using global ......
using 指令
您可以使用 using namespace 指令，这样在使用命名空间时就可以不用在前面加上命名空间的名称。这个指令会告诉编译器，后续的代码将使用指定的命名空间中的名称。 https://www.lekaowang.com/jkgls/fdsg/ ......
docker报错：Error response from daemon: driver failed programming external connectivity on endpoint likeshop-nginx
重启docker-compose时，nginx服务报错。 报错信息： Error response from daemon: driver failed programming external connectivity on endpoint likeshop-nginx (f0a809481f5 ......
How to Implement Drag and Drop Between Your Program and Explorer
How to Implement Drag and Drop Between Your Program and Explorer Michael Dunn Rate me: 4.90/5 (105 votes) 14 Dec 2002 A step-by-step description of ho ......
Building a Dice Game using JavaScript Javascript构建一个dice game 项目
We will be building a Dice Game Project using HTML, CSS, and JavaScript. The Dice Game is based on a two-player. Both players roll the dice and the pl ......
Design a Drum-kit web app using JavaScript Javascript设计drum-kit项目
We all must have seen a drum kit in some concert or elsewhere, it is a collection of drums, cymbals and other percussion instruments. But have you eve ......
rename files using a regex with bash
1 for old in *.png;do 2 3 new=$(echo $old | sed s/abc/xyz/) 4 5 mv $old $new 6 7 done ......
SAP Restful ABAP Programming 和 HTML Over the wire 的一些对比
Restful ABAP Programming(简称RAP)旨在找到 SPA 和 MPA 之间的`最佳平衡点`。 RAP 丰富了 JSON 本身或初始 OData 请求的元数据中的响应，并且视图和模型是先前在 CDS 中定义的后台 annotation： ![](https://img-blog. ......
基于DEAP进化算法库的Genetic Programming实践学习
因为可能之后会采用GP的方式来解决ATFM相关的问题，所以我就去学习了一下GP的使用方法，DEAP库的教程还是很清晰明了的，在此附上链接 DEAP_documentation 我主要跟着简称完成了符号回归、偶校验、垃圾邮件检测三个例子，前两个是Loosely Typed GP，最后一个是Strong ......
系统断电后，MySQL重启失败：[ERROR] Binlog has bad magic number； It‘s not a binary log file that can be used by this version of MySQL
系统断电后，MySQL重启失败： [ERROR] Binlog has bad magic number； It‘s not a binary log file that can be used by this version of MySQL [ERROR] Can't init tc log [ ......
python: GUI using tkinter
""" StudentUI.py 读文件类 date 2023-06-24 edit: Geovin Du,geovindu, 涂聚文 ide: PyCharm 2023.1 python 11 """ import datetime import sys import os from tkinte ......
Authentication to host '10.167.32.123' for user 'root' using method 'mysql_native_password' failed with message: Reading from the stream has failed
连接Mysql5.7以上的版本的数据库出现报错： C#连接远程连接mysql时，抛异常：Authentication to host '10.167.32.123' for user 'root' using method 'mysql_native_password' failed with me ......
JavaScript program to check if a given year is leap year Javascript判断是否是闰年
A year is leap year if following conditions are satisfied: Year is multiple of 400. Year is multiple of 4 and not multiple of 100. Approach: Get the v ......
Faster sorting algorithms discovered using deep reinforcement learning
## 摘要： - `AlphaDev`模型优化排序算法，将排序算法提速70％。通过强化学习，AlphaDev发现了更加有效的算法，直接超越了科学家和工程师们几十年来的精心打磨。现在，新的算法已经成为两个标准C++编码库的一部分，每天都会被全球的程序员使用数万亿次。 ## 介绍 - 优化目标为排序算法 ......