solution p9194 the of
Machine is not on the network
在调试Android jni 的时候发现一个奇怪的问题 在连接socket的时候老是报错 m_sock = socket(AF_INET, SOCK_STREAM, 0); if(m_sock < 0) { debug(LEVEL_ERROR, "Socket create error %d\r\n ......
The provided entity includes a relationship with an invalid value " is not a valid id for the relationship 'build' (ID: 80XXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX)
记录一下 IOS上传新包到app store提示 The provided entity includes a relationship with an invalid value " is not a valid id for the relationship 'build' (ID: 80XXX ......
【Linux API 揭秘】container_of函数详解
1、container_of函数介绍
container_of可以说是内核中使用最为频繁的一个函数了，简单来说，它的主要作用就是根据我们结构体中的已知的成员变量的地址，来寻求该结构体的首地址，直接看图，更容易理解。 ......
The 2023 ICPC Asia Hangzhou Regional Contest
目录写在前面赛时MJDGHH 之后的一个半小时赛后写在最后 写在前面 赛时题目按照过题顺序排序，赛后补题按照个人向难度排序。 虽然补题大概要拖到期末之后了。 这学期确实是超负荷了，现在脑子里一团糟，赛时的记忆已经不太清楚了。 省流版：搏一搏单车变摩托，但是怂了。 赛时 M 开局我正开，有中文题面好评 ......
ubuntu18.04.6 编译buildroot的时候提示： Incorrect selection of kernel headers: expected 4.6.x， got 4.16.x
再次进入文件系统配置界面，将内核头文件从4.16.x 改为4.6.x 就可以了。 ......
Solution Set 2023.12.13
CF1736E Swap and Take 设在第 \(i\) 次操作后产生贡献的值为初始序列的 \(a_{p_i}\)，可以发现产生的贡献的指针移动方式为每次向后移动 \(1\)，而通过交换数字最多可以使得某个数字每次向后移动 \(1\)，由此可以得出每次产生贡献的位置单调不减，即 \(p_1 \ ......
Unhandled exception. System.IO.IOException: The configured user limit (128) on the number of inotify instances 处理
现象:Unhandled exception. System.IO.IOException: The configured user limit (128) on the number of inotify instances has been reached, or the per-process ......
simpread-Ubuntu 扩容磁盘、扩容内存_ubuntu 扩容 the file system can not be resized while i-CSDN 博客
原文地址 blog.csdn.net 参考：Ubuntu 磁盘扩容及启动问题整理 作者：一只青木呀 发布时间： 2020-12-08 10:42:19 网址：https://blog.csdn.net/weixin_45309916/article/details/110850358 也可参照正点原 ......
The Devil Is in the Details: Window-based Attention for Image Compression
目录简介 简介 基于CNN的模型的一个主要缺点是 cNN结构不是为捕捉局部冗余而设计的，尤其是非重复纹理，这严重影响了重建质量。受视觉转换器（ViT）和Swin Transformer最新进展的启发，我们发现将局部感知注意机制与全局相关特征学习相结合可以满足图像压缩的期望。 介绍了一种更简单有效的基 ......
2023.12 ~ After the ice turns into water / the sea I hang upside down will be your sky.
COCI 2023.11 LOJ3999 考虑把填数过程倒过来做，那么就变成了覆盖。 设 \(f(i,j,0/1)\) 表示目前填进去 \(i\) 个数，且最后一个填的数是 \(j\)，并且 \(j\) 的位置在最左侧/最右侧的方案数。以 \(f(i,j,0)\) 为例，转移有： \(f(i,j,0 ......
ERROR: Could not find a version that satisfies the requirement basicsr== (from versions: none)
(py37_gan) C:\Users\Administrator>pip3 install basicsr==WARNING: Retrying (Retry(total=4, connect=None, read=None, redirect=None, status=None)) after ......
[CF839E] Mother of Dragons
最优方案一定是选择一个团，并在团里平均分配点权。 实际上，定义一个点 \(u\) 的权重 \(w_u\) 为 \(\sum\limits_{(u,v)}s_v\)，那么如果方案中 \(w_x>w_y\)，将 \(y\) 去掉并将其点权加在 \(x\) 上一定更优，所以答案一定会被调整成一个团。 对于 ......
Solution Set 2023.12.12
ABC332G Not Too Many Balls 可以转化为最大流模型，设节点 \(x_i\) 代表第 \(i\) 种球，\(y_j\) 代表第 \(j\) 个盒子。考虑如下建边方案： \(S \rightarrow x_i\)，容量为 \(A_i\) \(x_i \rightarrow y_j ......
pure-admin pnpm ERR_PNPM_FROZEN_LOCKFILE_WITH_OUTDATED_LOCKFILE Cannot perform a frozen installation because the version of the lockfile is incompatible with this version of pnpm
事情是这样的，用的开源pure-admin 的框架，用的是pnpm,本地环境都是可以的，但是发布到生成就报以下错误 然后看部署参数，是这样的，强制用了lock文件，本来也没问题 报错的意思是json 文件跟pnpm-lock.json 文件不匹配 但是本地看着是匹配的，随便挑选几个包版本看着也是一致 ......
The Zen of Python
The Zen of Python The Zen of Python, by Tim Peters Beautiful is better than ugly. Explicit is better than implicit. Simple is better than complex. Com ......
gh-ost 报错 ERROR 1236 (HY000): A slave with the same server_uuid/server_id as this slave
使用 gh-ost 对表在线加索引时，第一次发生了下面的报错（使用gh-ost很长时间了，第一次遇到这个报错）： [2023/12/12 11:48:08] [error] binlogstreamer.go:77 close sync with err: ERROR 1236 (HY000): A ......
PyQt报错could not find or load the Qt platform plugin "windows"
PyQt报错could not find or load the Qt platform plugin "windows" 解决方法 搜索plugins\platform，找到一个platform文件夹（比如F:\conda_env\envs\ml\Lib\site-packages\PyQt5\Q ......
初中英语优秀范文100篇-024The Best Gift I've Ever Received -我收到的最好的礼物
PDF格式公众号回复关键字:SHCZFW024 记忆树 1 Among all the gifts I have received , the hand-made scarf from Judy is the best gift I've ever received. 翻译 在我收到的所有礼物中，J ......
测试类注入Bean失败，Could not autowire, No bean of 'XxxService' type found
Spring Boot 2.2 是第一个正式支持 JUnit 5 的版本。 因此在写测试类的时候，JUnit4和JUnit5是有一点区别的。JUnit4需要需要两个注解 @SpringBootTest @Runwith(SpringRunner.class) Junit5的测试类则只需要一个注解 @ ......
Pfaffian And Determinant of $\sum A_iz^i$
// created on 23.12.11 目录Pfaffian And Determinant of \(\sum A_iz^i\) Pfaffian And Determinant of \(\sum A_iz^i\) 求斜对称矩阵的 Pfaffian 即 \(\mathrm{Pf}(A)\) ......
The subtleties of proper B+Tree implementation
Ref https://ayende.com/blog/198241-B/the-subtleties-of-proper-b-tree-implementation ......
"firmwarepasswd": MacOS Firmware Password Management: CHECK and DELETE Macbook Pro Firmware Password from the command line.
Abaels-MacBook-Pro:~ abaelhe$ su Password: bash-3.2# firmwarepasswd -check Password Enabled: Yes bash-3.2# firmwarepasswd -delete Delete Firmware Pass ......
C. Removal of Unattractive Pairs
这道题很考验思维。 这道题目我们只需要考虑出现次数最多的字符的个数，分两种情况讨论。 1、如果该字符出现次数超过n/2（这里设为x），那么其他字符和该字符凑成一对进行消除，即剩下的长度为2x-n。 2、如果该字符出现次数低于n/2，那么对于任意字符都有足够的其余字符和他凑成一对进行消除，那么就变成了 ......
20.Explain how the following reasoning fails to address the complexity of the issue involved, and rebut it. “Sanya is warm all year round and has beautiful beaches,
Round 1: Identifying the Failure in Reasoning Speaker 1 (Student A): Hello, everyone! Let's kick off our discussion by examining the reasoning: "Sanya ......
19.Some people say:Face-to-face classes are a better option for college students than online classes. Present possible counterarguments to the claim, rebut it and reaffirm the argument.
Round 1: Presenting Possible Counterarguments Speaker 1 (Student A): Hello, everyone! The claim that face-to-face classes are a better option than onl ......
18.In the academic world, there is a popular phrase "publish or perish." Academics, therefore, always work hard to keep themselves academically alive through publications.
Round 1: Expressing Initial Opinions on "Publish or Perish" Speaker 1 (Student A): Hello, everyone! The phrase "publish or perish" is quite intense, i ......
15.Please retell the parable of The Blind men and An Elephant. What is the moral of the parable? What can we learn from the parable when it comes to critical thinking?
Round 1: Retelling the Parable and Extracting the Moral Speaker 1 (Student A): Hey everyone! So, let's dive into the parable of "The Blind Men and the ......