directory validhome selected the
Build Action & Copy to Output Directory
解决方案下的所有文件都有Build Action和Copy to Output Directory这2个属性，二者是独立无关的，前者决定在编译时编译器如何处理文件，后者仅单纯的决定是否将文件也拷贝一份到输出目录。 Build Action None: The file is not included ......
The 2nd Universal Cup. Stage 5: Northern J Sets May Be Good
题解 我们考虑计算 \(\sum_{S\subseteq\{1,2,3,\cdots,n\}} (-1)^{cnt(S)}\)，这里 \(cnt(S)\) 表示 \(S\) 集合的导出子图的边数。 我们记 \(x_i=[i\in S]\)。 我们考虑删掉 \(n\) 号点。 注意到如果 \(x_i\ ......
【题解 CF840C & P4448】 On the Bench & 球球的排列
On the Bench 题面翻译 给定一个序列 \(a(a_i\le 10^9)\)，长度为 \(n(n\le 300)\)。 试求有多少 \(1\) 到 \(n\) 的排列 \(p_i\)，满足对于任意的 \(2\le i\le n\) 有 \(a_{p_{i-1}}\times a_{p_i} ......
Go - Changing the Timing for Running Performance Tests
Problem: You want to run performance tests for a specific duration or a specific number of iterations. Solution: You can increase the minimum duration ......
论文阅读：Knowledge Distillation via the Target-aware Transformer
摘要 Knowledge distillation becomes a de facto standard to improve the performance of small neural networks. 知识蒸馏成为提高小型神经网络性能的事实上的标准。 Most of the previo ......
Nginx配置错误：connect() failed (10061: No connection could be made because the target machine actively refused it) while connecting to upstream
问题描述 今天本打算学一下Nginx反向代理发送请求到OpenResty(其实也就是个Nginx，可以把它理解成Anaconda中的python版本)，再通过OpenResty使用Lua脚本向Redis或数据库查找缓存来着，在配环境的时候报了个502错误。 我把我的环境描述下，这样如果有遇到这个问题 ......
ERROR: The Python ssl extension was not compiled. Missing the OpenSSL lib?
CentOS7 pyenv安装Python 3.10.13 报错 yum install -y openssl-devel openssl11-devel openssl11-lib CPPFLAGS="-I/usr/include/openssl11" LDFLAGS="-L/usr/lib64/ ......
[914] In Python's datetime library, you can format dates using the strftime() method
In Python's datetime library, you can format dates using the strftime() method. This method allows you to create a formatted string representation of ......
[911] Read Data from Google Sheets into Pandas without the Google Sheets API (.gsheet)
ref: Read Data from Google Sheets into Pandas without the Google Sheets API import pandas as pd sheet_id = "1XqOtPkiE_Q0dfGSoyxrH730RkwrTczcRbDeJJpqRB ......
Expression #3 of SELECT list is not in GROUP BY clause and contains nonaggregated column 'jira.ji.ID' which is not functionally dependent on columns in GROUP BY clause;only_full_group_by
这个报错的完整信息 Expression #3 of SELECT list is not in GROUP BY clause and contains nonaggregated column 'jira.ji.ID' which is not functionally dependent on ......
definition of the convex optimization
A convex optimization problem is one in which the objective and constraint functions are convex, which means they satisfy the inequality \(f_i(\alpha ......
select和insert同一事务 导致死锁的一种情况
@PostMapping(value = "/testDeadlock") @Transactional(rollbackFor = Exception.class, transactionManager = "aTransactionManager", isolation = Isolation. ......
The solution of P9194
10黑寄。 problem & blog 考虑到处理加边并不简单，所以我们可以考虑一个黑点 \(p\)，连边\((u,p)(p,v)\)。 考虑在现在这棵树上连个点在原图中有变相连相当于有一个公共的 \(p\) 是它们的邻居。 于是删边操作等价于将一个点的儿子黑点并到父亲黑点上。 为了统计答案我们设 ......
ImportError: libcrypto.so.3: cannot open shared object file: No such file or directory
ImportError: libcrypto.so.3: cannot open shared object file: No such file or directoryBuilding wheel for pysam (pyproject.toml) ...https://github.com/ ......
在SQL Server中，如何从SELECT更新？
内容来自 DOC[ https://q.houxu6.top/?s=在SQL Server中，如何从SELECT更新？](https://q.houxu6.top/?s=在SQL Server中，如何从SELECT更新？) 在 SQL Server 中，可以使用 INSERT.. SELECT 语句 ......
CF837G Functions On The Segments
CF837G Functions On The Segments Functions On The Segments - 洛谷 | 计算机科学教育新生态 (luogu.com.cn) 目录CF837G Functions On The Segments题目大意思路code 题目大意 你有 \(n\) ......
D. Monocarp and the Set
D. Monocarp and the Set Monocarp has $n$ numbers $1, 2, \dots, n$ and a set (initially empty). He adds his numbers to this set $n$ times in some order ......
[910] Copy a file to another directory with a new name in Python
To copy a file to another directory with a new name in Python, you can use the shutil library. Here's how you can do it: import shutil # Specify the s ......
[908] Implementation of the progress bar in Python
You can implement a progress bar in Python to visually represent the progress of a task using various libraries. One commonly used library for this pu ......
[905] The replace() method in Pandas
In Pandas, the replace() method is used to replace values in a DataFrame or Series. You can use this method to replace one or more specified values wi ......
select 里列运算 求年薪
表的列是支持运算符的 起别名时需要加单引号 # 获取年薪desc emp;select ENAME,SAL*12 as '年薪' from emp; ......
【转载】How to solve the problem that getting timestamp from Mysql database is 8 hours earlier than the normal time
This article introduces the relevant knowledge of "how to solve the problem of obtaining timestamp from Mysql database 8 hours earlier than the normal ......
Paper Reading: Drag Your GAN: Interactive Point-based Manipulation on the Generative Image Manifold
为了实现基于 GAN 的交互式的基于点的操作，本文提出了 DragGAN，它解决了监督手柄点向目标移动和跟踪手柄点两个子问题，以便在每个编辑步骤中知道它们的位置。本文模型是建立在 GAN 的特征空间具有足够的区分力以实现运动监督和精确点跟踪的特性之上的，运动监督通过优化潜在代码的移位特征损失来实现的... ......
2023ICCV_Generalized Lightness Adaptation with Channel Selective Normalization
一. Motivatetion 跨域效果不好：在已知亮度的数据集上表现良好，在未知亮度的数据集上表现不好，泛化性能较差。 挑战：如何识别和亮度相关的通道并进行选择，并且获得泛化能力 归一化：从给定特征中提取不变的良好的良好特性，特别对于亮度分量 [ 归一化和亮度相关的特性： 1. 亮度一致性： 实例 ......
自定义文档 Selection、Range 属性
一 document.execCommand 现阶段 项目中 使用方法document.execCommand 可直接操控选中文本，添加属性（操控文档）。但是由于fdocument.execCommand 方法兼容性不好，浏览器之间的实现不一致，没有一个统一的标准。且自定义程度不高。官方已经将该方法 ......
CF1548E Gregor and the Two Painters
Day \(\text{叁拾肆}\)。 DS 写不动了，标题也取不动了www。 类似 Day 1 CF1270H Number of Components，每个连通块中选出一个代表的点。令一个连通块内所有点按照 \(v_{i,j}=\{a_i+b_j,i,j\}\) 排序，对最小的 \(v_{i,j ......
Educational Codeforces Round 155 (Rated for Div. 2) B. Chips on the Board
给一个 \(n \times n\) 的棋盘，和两个大小为 \(n\) 的 \(a\) \(b\) 数组。\(a_i\) 代表第 \(i\) 列的权值，\(b_i\) 代表第 \(i\) 列的权值。坐标 \((i, j)\) 的权值为 \(a_i + b_j\) 。 现在需要放若干个芯片和到棋盘上， ......
Codeforces Round 895 (Div. 3) B. The Corridor or There and Back Again
你在一个向右延申的无限坐标轴上，且你初始在坐标 \(1\) 。有 \(n\) 个陷阱在坐标轴上，第 \(i\) 个陷阱坐标为 \(d_i\) ，且会在你踩上这个陷阱的 \(s_i\) 秒过后发动。这时候你不能进入坐标 \(d_i\) 或者走出坐标 \(d_i\) 。 你需要确定最远的 \(k\) ， ......
《Mastering the FreeRTOS Real Time Kernel》读书笔记（7）事件组
FreeRTOS事件组，总而言之就是很多个二进制信号量的集合，通过使用掩码的方式提取每一位，使多个任务共同合作实现比较复杂的功能。 ......