the series find sum
browsermob-proxy-2.1.4启动失败，报错ProxyServerError: The Browsermob-Proxy server process failed to start. Check <_io.TextIOWrapper name='D:\server.log' mode='w' encoding='cp936'>for a helpful error message.
server.log文件错误信息： Running BrowserMob Proxy using LittleProxy implementation. To revert to the legacy implementation, run the proxy with the command-li ......
find 使用
在 find 命令中，-type 选项用于指定要查找的文件类型。以下是一些常见的文件类型： f： 普通文件（regular file） d： 目录 l： 符号链接（symbolic link） c： 字符设备文件（character special file） b： 块设备文件（block spec ......
mkfs.xfs报错 mkfs.xfs: /dev/new/new_box appears to contain an existing filesystem (ext4). mkfs.xfs: Use the -f option to force overwrite.
在设置逻辑卷文件类型时候报错 mkfs.xfs: /dev/new/new_box appears to contain an existing filesystem (ext4). mkfs.xfs: Use the -f option to force overwrite. 上面是说目标分区，已 ......
umount 报错umount: /new_room: target is busy. (In some cases useful info about processes that use the device is found by lsof(8) or fuser(1))
挂载逻辑卷后，尝试更新逻辑卷的文件系统 [root@server lost+found]# umount /new_room/ umount: /new_room: target is busy. (In some cases useful info about processes that use ......
[ARC107F] Sum of Abs 题解
题意 给定一个 \(N\) 个点，\(M\) 条边的简单无向图，每个节点有两个值 \(A_i\) 和 \(B_i\)。 现对于每个节点，均可以选择花费 \(A_i\) 的代价将其删去或保留节点。若一个节点被删除，那么所有与其向连的边也会被删除。 定义一个极大联通块的权值为联通块内所有节点的 \(B_ ......
The song of Academia
In the realm of intellect, where thoughts intertwine, Intellectual pursuits, in brilliance, they shine. A young scholar, impulsive, yet keen to refine ......
基于时间频率一致性对时间序列进行自监督对比预训练《Self-Supervised Contrastive Pre-Training for Time Series via Time-Frequency Consistency》(时序、时频一致性、对比学习)
2023年11月10日，今天看一篇论文，现在17:34，说实话，想摆烂休息，不想看，可还是要看，拴Q。 论文：Self-Supervised Contrastive Pre-Training for Time Series via Time-Frequency Consistency 或者是：Sel ......
[P1518 [USACO2.4] 两只塔姆沃斯牛 The Tamworth Two]的解题思路
P1518 [USACO2.4] 两只塔姆沃斯牛 The Tamworth Two 初始思路 利用数字1~4代表方向； 利用两个循环来实现两个角色的行为，通过每一步break实现两个角色的同步。 由于题目本意是同步，而我这实质上是分步（牛在前Farmer John在后），所以用Farmer John ......
The A to Z of ... from the Economist
The A to Z of economicsEconomic terms, from “absolute advantage” to “zero-sum game”, explained to you in plain Englishhttps://www.economist.com/econom ......
[题解] CF1051F The Shortest Statement
The Shortest Statement 给一张 \(n\) 个点 \(m\) 条边的无向连通图，保证 \(m - n \le 20\)，\(q\) 次询问求两个点间的最短路。 \(n, m, q \le 10^5\)。 由于边数只比点数多 20，所以如果我们建出这张图的一棵生成树，那么非树边至 ......
nvidia-smi报错：NVIDIA-SMI has failed because it couldn't communicate with the NVIDIA driver更优解决方案
Ubuntu 18.04系统中，某次pip安装后发现这个问题，有人说是因为系统内核升级造成的，从解决方案来看，系统内核升级更可信。解决方案参考了https://blog.csdn.net/dou3516/article/details/130593616，但更简洁。解决方案是DKMS安装NVIDIA ......
Xcode 展示failed to prepare the device for development
首先打开链接找到https://gitee.com/Han0/iOSDeviceSupport 找到对应版本，解压 其次打开终端 输入 open /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Device ......
The Pktgen Application
Pktgen, (Packet Gen-erator) is a software based traffic generator powered by the DPDK fast packet processing framework. Pktgen（数据包生成器）是一款基于软件的流量生成器，由 ......
"Academy of Management" and the journal "Academy of Management Perspectives"
Academy of Management 555 Pleasantville Road, Suite N200 Briarcliff Manor, NY 10510-8020, USA Phone: +1 (914) 326-1800 Fax: +1 (914) 326-1900 Academy ......
[USACO23FEB] Equal Sum Subarrays G 题解
[USACO23FEB] Equal Sum Subarrays G 题解 题目链接 \(O(n^5)\) 暴力 显然，如果修改 \(a_i\) 的值，只会影响包含 \(a_i\) 的区间的区间和。于是对于每个 \(a_i\)，可以将所有区间分成两类，即包含 \(a_i\) 的区间和不包含 \(a_ ......
The request is not allowed by the user agent or the platform in the current context, possibly because the user denied permission，iphone手机video标签报错
The request is not allowed by the user agent or the platform in the current context, possibly because the user denied permission，在当前上下文中，用户代理或平台不允许该请求 ......
关于.UnsupportedClassVersionError: org/example/Merge has been compiled by a more recent version of the Java Runtime (class file version 61.0), this version of 问题的彻底解决
问题描述 之前我是改变了本机上面的JDK的版本17为8； 然后这次我再次尝试MapReduce运行就报错了； 尝试更改IDEA中的环境JDK为8，还是一直显示这个错误~~~ 问题解决 根本问题在pom.xml文件这里，里面有定义我们使用的JDK的版本， 只要将其中的17改为8，然后再运行，就没有问题 ......
[LeetCode] 1334. Find the City With the Smallest Number of Neighbors at a Threshold Distance
There are n cities numbered from 0 to n-1. Given the array edges where edges[i] = [fromi, toi, weighti] represents a bidirectional and weighted edge b ......
题解 AT_codefestival_2016_final_f【Road of the King】
注意到当前移动到的位置并不重要，重要的是经过的点数和 \(1\) 所在强连通分量大小，因此把它们放进状态里：设 \(f_{i,j,k}\) 表示进行 \(i\) 次移动，经过了 \(j\) 个不同的点，此时 \(1\) 所在的强连通分量大小为 \(k\) 的方案数。 考察下一次移动到的点的情况： 没 ......
【pwn】[HGAME 2023 week1]choose_the_seat --数组越界，劫持got表
查一下程序保护情况 发现是partial relro，说明got表是可以修改的，下一步看代码逻辑 看到这一段 puts(&seats[16 * v0]);存在数组越界的漏洞，因为上面的代码没有对v0进行负数的限制，v0可以是负数，我们来看一下seat的数据 可以发现seat上面的数据就是got表，s ......
[题解] ABC282Ex Min + Sum
Min + Sum 给你两个序列 \(a\)、\(b\) 和 \(S\)，求满足一下条件的区间 \([l ,r]\) 的数量： \(\sum_{i = l}^r b_i + \min_{i = l}^r a_i \le S\)。 \(n \le 2 \times 10^5\)。 考虑按最小值分治，即 ......
pip下载python软件包时报错 Could not find a version that satisfies the requirement requests_toolbelt (from versions: none)
pip下载python软件包时报错，使用了国内源等各种方法，后来才知道是电脑中打开了抓包工具；打开抓包工具后一定要关闭抓包工具，这样下载软件包就下载下来了 关闭抓包工具后，下载成功了 ......
husky——The '.husky/pre-commit' hook was ignored because it's not set as executable
前言 系统：mac hint: The '.husky/pre-commit' hook was ignored because it's not set as executable. hint: You can disable this warning with `git config advic ......
nginx / 引发的400 The plain HTTP request was sent to HTTPS port
问题： 使用nginx反向代理并将所有80转到443，访问 https://域名/login 出现问题如下，访问 https://域名/login/ 正常显示，但是点击登录无法发送请求仅仅刷新验证码。求解答 <html> <head> <title> 400 The plain HTTP reque ......
RuntimeError: The scheduler seems to be running under uWSGI, but threads have been disabled. You must run uWSGI with the --enable-threads option for the scheduler to work报错
解释 RuntimeError: The scheduler seems to be running under uWSGI, but threads have been disabled. You must run uWSGI with the --enable-threads option fo ......
若依分离版打包部署后找不到模块(Error: Cannot find module ‘@/views/index‘)
将store/moudules/permission.js这一块改成下面这样，注释的可以删export const loadView = (view) => { return (resolve) => require([`@/views/${view}`], resolve) // if (proc ......
【论文阅读笔记】【OCR-文本识别】 CLIPTER: Looking at the Bigger Picture in Scene Text Recognition
CLIPTER ICCV 2023 读论文思考的问题 论文试图解决什么问题？ 现有的文本识别方法只关注于局部截取的文本区域，识别模型并没有利用全图的上下文信息，导致其可能对有挑战性的文本的识别效果较差 能否以某种方式使识别器利用上global feature的信息？ 文章提出了什么样的解决方法？ 提 ......
A Protection Measure-the river chief system
The river and lake chief system, namely the river chief system, is an ecological civilization construction system innovation in which the party and go ......
The prevention of water contamination
In order to prevent and control water contamination, China has formulated many policies and laws, such as the Water Pollution Prevention and Control L ......
使用反编译软件jd-gui.exe,打开提示:The application requires a Java Runtime Environment 1.8.0
jd-gui.exe,打开提示:The application requires a Java Runtime Environment 1.8.0 但是已经是java1.8版本了 这时候修改注册表win+R 输入 regedit 打开注册表 找到HKEY_LOCAL_MACHINE\SOFTWARE ......