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How to get the original size of an image using JavaScript All In One
How to get the original size of an image using JavaScript All In One
如何使用 JavaScript 获取一个图片像的原始大小
naturalWidth & naturalHeight
aspect ratio / 纵横比
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Go - Using channels to receive interrupts in a program
Within the Kubernetes deployment environment, applications will actually be sent the SIGTERM signal first if it has been decided the pod holding the a ......
iCOM Next Firmware - A Must-Have in 2023 for Enhanced Diagnostic Capabilities
In today's rapidly evolving world, technological advancements have become an integral part of various industries, including automotive diagnostics. As ......
Knights of the Round Table
prologue 相信很多人都感觉这个题不就是求一下这个二分图的最大独立集嘛，有什么难的，（劈里啪啦、库里跨啦、叮里哐啷）好，不对，好好好，题解！ analysis 这个题目实际上并不是一个完整的最大独立集问题，因为在这个题里面，是可以有相互仇恨的骑士的，只要不让他们二人坐成同桌就行。 那么我们就不 ......
ERROR: Could not find a version that satisfies the requirement selunium (from versions: none)
错误信息 ERROR: Could not find a version that satisfies the requirement selenium (from versions: none) ERROR: No matching distribution found for selenium ......
How to fix TypeScript error: expression of type can't be used to index type All In One
How to fix TypeScript error: expression of type can't be used to index type All In One
type guard
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[LeetCode] 2582. Pass the Pillow
There are n people standing in a line labeled from 1 to n. The first person in the line is holding a pillow initially. Every second, the person holdin ......
[889] To enable arcpy in VS Code
To enable arcpy in VS Code, you need to configure your Python interpreter to use the ArcGIS Pro Python environment. Here are some steps you can follow ......
Learn Git in 30 days—— 第 25 天：使用 GitHub 远端仓库 - 观念篇
写的非常好的一个Git系列文章，强烈推荐 原文链接：https://github.com/doggy8088/Learn-Git-in-30-days/tree/master/zh-cn 上一篇大家学会了如何下载远端仓库 (git clone, git pull) 与上传远端仓库 (git push ......
使用 gopkg.in/yaml.v3 解析 YAML 数据
YAML（YAML Ain't Markup Language）是一种人类可读的数据序列化格式，常用于配置文件和数据交换。在 Go 语言中，你可以使用 gopkg.in/yaml.v3 包来解析和生成 YAML 数据。本文将介绍如何使用 gopkg.in/yaml.v3 来处理 YAML 数据。 安 ......
「解题报告」The 1st Universal Cup. Stage 3: Poland
大概按难度排序。签到题没写。 QOJ M. Minor Evil 有 \(n\) 个球与 \(k\) 个操作，初始所有球都是白色的。第 \(i\) 个操作为如果 \(a_i\) 是白色的，那么就将 \(b_i\) 染成黑色，否则什么都不做。你可以选择每个操作执行或不执行，但是不能改变操作之间的相对顺 ......
[888] How to get the directory of the current Python file
To get the directory of the current Python file, you can use the os.path module in combination with the __file__ attribute. Here's how you can do it: ......
VSCode 安装插件 Unity 后，一直弹 The .NET Core SDK cannot be located
如题。 明明已经安装了.Net 7.0。并且添加到了 PATH 中。 （也就是在 终端/CMD 可以通过 dotnet 命令访问到。） 但 Vscode 还是一直弹 The .NET Core SDK cannot be located。 然后开始下载 .Net7.0。 解决方案 写在了 .NET ......
The 2023 ICPC Asia Regionals Online Contest (2) MDIELK
The 2023 ICPC Asia Regionals Online Contest (2) MDIELK M Dirty Work 题意：总共有\(n\)个问题，对于第\(i\)个问题需要\(a_i\)分钟。你可以随便选择一个没过的题去写，写完以后马上交，你有\(p_i\)的概率会错，错了不能跳 ......
The 2nd Universal Cup. Stage 2- SPb
A. Mixed Messages dp[i][j]表示前i位，选择\(j\)个移动到一起的最小花费。 #include<bits/stdc++.h> using namespace std; #define int long long constexpr int inf = 1E9; int32_ ......
Learn Git in 30 days—— 第 24 天：使用 GitHub 远端仓库 - 入门篇
写的非常好的一个Git系列文章，强烈推荐 原文链接：https://github.com/doggy8088/Learn-Git-in-30-days/tree/master/zh-cn GitHub 是目前全世界最多人采用的 Git 线上管理平台，他包含了完整的 Git 远端仓库实作，还有完整的议 ......
Linux shell script if condition control flow methods All In One
Linux shell script if condition control flow methods All In One
if...then...fi / if...then...else..fi / if...then...elif...then...fi
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TypeScript: Factory Method in TypeScript
npm install -g typescriptnpm install -g ts-node index.ts //import * as fs from "fs"; //TypeScript 工厂方法模式 Factory Method in TypeScript /** * The Creato ......
The 2023 ICPC Asia Regionals Online Contest (2)
Preface 这场打的有点捞说实话，两个小时出头的时候写完6个题就开始坐牢了 K题由于我习惯性地不写数论就扔给徐神了，徐神也是很有思路写了个看着就很对的东西，但不知道为什么过不去 赛后发现K其实是个很傻逼的题，类似的思路我最近补CF的时候还遇到过，但就是没细想 虽然当时下机的时候和祁神把A题的正解 ......
nginx: The plain HTTP request was sent to HTTPS port
问题描述 The plain HTTP request was sent to HTTPS port 当访问用http时则报错。用https时不报错。 检查配置： server { listen 80 ssl; server_name hngj.zxynyxxx.cn; ssl_certificat ......
[886] Some useful functions in ArcPy
Exists: Determines the existence of the specified data object. This function tests for the existence of various data types including feature classes, ......
mybatis中使用in
<if test="areaCode != null and areaCode !=''"> and AREACODE in (${areaCode}) </if> 如果直接传入拼接好的where in 条件， 比如（'111','222','333')，则需要使用${areaCode}传参，即绝对 ......
maven 问题之 no POM in this directory
Windows 上 mvn install:install-file 报：no POM in this directory 1、问题再现 . 2、解决方案 方案一： . 然后输入 mvn 命令即可 mvn install:install-file -DgroupId=com.rnny -Dartif ......
the solution of Mining Your Own Business
the description of problem （我看的是 PDF 里面的原题所以这里描述会和题目不一样，但是大意一致） 给定一个未必连通的无向图，问最少在几个点设置出口，可以保证任意一个点坍塌后，工人们仍然可以从出口逃生，同时问设置最少出口的方案数量。 thoughts & solution ......
[CF1810G] The Maximum Prefix
题目描述 You're going to generate an array $ a $ with a length of at most $ n $ , where each $ a_{i} $ equals either $ 1 $ or $ -1 $ . You generate this a ......
1055 - Expression #1 of ORDER BY clause is not in GROUP BY clause and contains nonaggregated column
博客园 首页 新随笔 联系 管理 订阅 随笔- 111 文章- 1 评论- 3 阅读- 17万 1055 - Expression #1 of ORDER BY clause is not in GROUP BY clause and contains nonaggregated column 'i ......
OGG报错 INS-85054 in oggca.sh createing a new Service Manager after removing a previous installation (Doc ID 2301523.1)
这个报错主要是ogg的自启动和目录问题 Delete the following files at the OS level: Linux 7 /etc/systemd/system/OracleGoldenGate.service /etc/oggInst.loc Linux 6 /etc/ini ......
Expression #1 of SELECT list is not in GROUP BY clause and contains nonaggregated column
MySQL有any_value(field)函数，他主要的作用就是抑制ONLY_FULL_GROUP_BY值被拒绝 官方有介绍，地址：https://dev.mysql.com/doc/refman/5.7/en/miscellaneous-functions.html#function_any-v ......
String vs &str in Rust
Most likely, soon after you’ve started your Rust journey, you ran into this scenario where you tried to work with string types (or should I say, you t ......