shadow the dog and
CF1846E2 Rudolf and Snowflakes (hard version) 题解
题意： \(T\) \((\)\(1\) \(\le\) \(T\) \(\le\) \(10^4\)\()\) 组询问：是否存在一个满 \(k\) (\(k\) \(\ge\) \(2\)\()\) 叉树节点数恰好为 \(n\) \((\)\(1\) \(\le\) \(n\) \(\le\) \ ......
dns and forward proxy
forward proxy & reverse proxy https://zhuanlan.zhihu.com/p/163948996 https://netnut.io/forward-proxy-server/ Definition of a Forward Proxy Server One ......
As a project I always want to create for myself as a gift, the MVVM framework is more or less satisfying
I used to want to build a MVVM project for myself, especially since I wrote my mementowriter project which is no jQuery, and that was very time consum ......
【问题记录】【IDEA】启动突然报错 java: Internal error in the mapping processor: java.lang.NullPointerException
1 启动报错 换了个高版本的 IDEA，启动突然报错： 2 解决办法 添加编译配置参数： -Djps.track.ap.dependencies=false ......
论文：Predicting the performance of green stormwater infrastructure using multivariate long short-term memory (LSTM) neural network
题目“Predicting the performance of green stormwater infrastructure using multivariate long short-term memory (LSTM) neural network” (Al Mehedi 等, 2023, ......
Problem: D. Igor In the Museum
题意： 给出一个地图,符号.代表空地，可走，*代表墙，不可走,墙的每一面都有一幅画，问给定一个空地，可以看到多少画 做法： 使用两次BFS，第一次用于统计一个联通的子块最多可以看多少画，第二个BFS用于把这个联通块内的点都修改成答案. 注意一点技巧：每一次寻找不同的联通块，可以打上它的专属标记，以免 ......
✂️ Copy and Paste Emoji Emoji 表情符号大全
✂️ Copy and 📋 Paste Emoji 👍 Emoji 表情符号大全 搬运自 https://getemoji.com/ 表情符号支持iOS, Android, macOS, Windows, Linux和ChromeOS。复制和粘贴表情符号Twitter, Facebook, Sl ......
llama-factory fine-tuning-3 (conception and technologies explanation)
train method supervised fine-tuning Reward Modeling PPO training DPO training full-parameter partial-parameter LoRA QLoRA command parameter fp16 gradi ......
Mysql - Error 1055: Expression #1 of SELECT list is not in GROUP BY clause and contains nonaggregated column 'user.nickname' which is not functionally dependent on columns in GROUP BY clause
编写SQL时需要如下错误，即出现错误 ERROR 1055，SELECT列表不在GROUP BY语句内且存在不函数依赖GROUP BY语句的非聚合字段'edusassvc.u.nickname',这是和sql_mode=only_full_group_by不兼容的（即不支持）。 分析问题 1)原理层 ......
神经网络入门篇之深层神经网络：详解前向传播和反向传播（Forward and backward propagation）
深层神经网络（Deep L-layer neural network） 复习下前面的内容： 1.逻辑回归，结构如下图左边。一个隐藏层的神经网络，结构下图右边： 注意，神经网络的层数是这么定义的：从左到右，由0开始定义，比如上边右图，\({x}_{1}\)、\({x}_{2}\)、\({x}_{3}\ ......
SQLC - Problem: can't recognize the numeric data type in PostgreSQL
Problem: sqlc can't recognize the numeric data type in PostgreSQL, it makes it string. The default sql_package database/sql can't overwrite the "numer ......
[WARNING] The POM for com.alibaba:druid:jar:1.1.21 is invalid, transitive dependencies (if any) will not be available, enable debug logging for more details是什么问题
这个警告表明 Maven 在尝试下载或处理 com.alibaba:druid:1.1.21 这个依赖项时遇到了问题。警告的具体内容是说 POM（Project Object Model）文件无效，这可能会导致 Maven 无法正确地处理传递性依赖关系。有几种可能的原因和解决方法： 1.网络问题： ......
Planting poplar threes—the application of a Chinese way to control soil cadmium pollution in Japan
Situations of soil cadmium pollution in Japan In the last century, there was a serious health accident in Japan, an outbreak of Itai-itai disease, whi ......
ZIMP - Init the Zimple Bank project
zzh@ZZHPC:~/zd/Github/zimplebank$ go mod init github.com/ZhangZhihuiAAA/zimplebank go: creating new go.mod: module github.com/ZhangZhihuiAAA/zimpleban ......
CF1886B Fear of the Dark
这道题只有两种情况：\(O\) 点和 \(P\) 点都在同一个圆圈里；或者 \(O\) 点在一个圆圈里，\(P\) 点在另外一个圆圈里。 让我们用 \(d(P,Q)\) 来表示 \(P\) 点到 \(Q\) 点之间的距离，\(R\) 记为半径。 我们先来看第一种情况：\(O\) 点和 \(P\) 点 ......
论文：Multistep ahead prediction of temperature and humidity in solar greenhouse based on FAM-LSTM model
Multistep ahead prediction of temperature and humidity in solar greenhouse based on FAM-LSTM model 基于 FAM-LSTM 模型的日光温室温湿度多步提前预测 题目：“Multistep ahead pr ......
CF992E Nastya and King-Shamans
题意 给定一个序列 \(s\)，记其前缀和序列为 \(g_i\)，\(q\) 次修改。 每次修改后输出任意满足 \(s_i = g_{i - 1}\) 的解。 Sol 前缀和数组，每次答案使 \(s_i \times 2\)。 也就是答案的个数不会超过 \(log\)。 再想，\(s_i - g_{ ......
The Hello World of Deep Learning with Neural Networks
The Hello World of Deep Learning with Neural Networks dlaicourse/Course 1 - Part 2 - Lesson 2 - Notebook.ipynb at master · lmoroney/dlaicourse (github ......
MQTT vs. HTTP: which one is the best for IoT?
MQTT vs. HTTP: which one is the best for IoT? 翻译 搜索 复制 ......
The Hello World of Deep Learning with Neural Networks
The Hello World of Deep Learning with Neural Networks dlaicourse/Course 1 - Part 2 - Lesson 2 - Notebook.ipynb at master · lmoroney/dlaicourse (github ......
Computer vision: models, learning and inference
http://www.computervisionmodels.com/ 13.2.3 SIFT detector SIFT 尺度不变特征转换 s a second method for identifying interest points 一个尺度和对应兴趣点定位 14 15 16 ......
activation functions summary and comparision
written in the foreword Any nonlinear function that has good derivative properties has the potential to become an activation function. So here, we wil ......
Drawdown——A New Way of Thinking About and Acting on Global Warming in Mexico
小组成员：张怡婷、郑乔鸿、饶佳欣、程小英 小组分工：集中讨论，共同完成 Introduction In the face of global climate change, countries around the world are confronted with similar challeng ......
CF1901 B Chip and Ribbon 题解
Link CF1901 B Chip and Ribbon Qustion 初始有 \(n\) 个格子，刚开始每个格子都是 \(0\) ，Monocarp 刚开始在一号格子中，并使得 \(a[1]+1\)，每一轮，Monocarp 可以进行两个操作 操作 1 ，Monocarp 移动到下一个格子， ......
The Design of Feedback Control Systems--Advanced Problems
AP10.1 A three-axis pick-and-place application requires the precise movement of a robotic arm in three-dimensional space, as shown in Figure AP10.1 fo ......
ABC330 E Mex and Update 题解
Link ABC330 E Mex and Update Question 给一个数组 \(a\)，有 \(Q\) 次修改 每次把 \(a_i\) 改成 \(x\) 问每次修改后，不在 \(a\) 数组中的最小非负数时多少 Solution 记录每个 \(a_i\) 出现的次数 \(num\) 每个 ......
2023/11/27，新尝试，try and gain back,happy ,
如图所示，可以安心去上一段时间了哈哈哈，晚饭又没吃，， 自律，吃饭，作息，运动，身体的弹性是有限度的？ 哈哈哈，但是尝试有正反馈很开心，虽然可能很小白， 之前一致纠结要不要save这一步，搞得不大清楚，但也能先跑起来试试，哈哈哈 ......
Caused by: io.debezium.DebeziumException: java.sql.SQLSyntaxErrorException: Access denied; you need (at least one of) the RELOAD privilege(s) for this operation
1.情景展示 如上图所示： 在使用debezium读取mysql数据操作日志时（io.debezium.connector.mysql.MySqlConnector），报错： Caused by: io.debezium.DebeziumException: java.sql.SQLSyntaxEr ......
记录一次生产环境因磁盘空间不足驱逐pod造成pod重建The node had condition: [DiskPressure]
#记录一次生产报The node had condition: [DiskPressure]造成pod无限重启的监控不停的报警 #进入k8s的管理机检查发现msg的pod重启重建pod多次 [root@VM_248_6_centos ~]# kubectl get pod -n cms-v2-pro ......
Save the Fish
Save the Fish is a challenging and fun casual puzzle game. In the game, you will play as a brave adventurer, helping the cute little fish solve the wa ......