model train the fit
The 2023 CCPC Guilin C. Master of Both IV
Preface 妈的期中考终于结束了，感觉在区域赛前抽出将近两周的时间不训练去复习有点得不偿失的说 现在终于有时间来补一下题，其实手头要补的题还挺多的，一个是上次CCPC桂林打完后可做的一些题，另一个是这段时间零碎地练习的两场 一场台湾的网络赛有两个题赛时卡着都没写出来，过两天补一下；另一个就是这周 ......
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 ......
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 ......
V-model 双向绑定的原理
V-model 双向绑定的原理是什么？ 做双向绑定时，通常在表单元素上绑定一个v-model,我们在编译的时候，可以解析到v-model 操作时做了两件事: - 1.在表单元素上做了事件监听（监听input、change事件） - 2.如果值发生变化时，在事件回调函数把最新的值设置到vue的实例上 ......
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 ......
[ARC123E] Training
多测，求值 \[\sum_{i=1}^{n}\Big[a+\lfloor\frac{i}{b}\rfloor=c+\lfloor\frac{i}{d}\rfloor\Big] \]\(1\le T\le 2\times 10^5\)，\(1\le n\le 10^9\)，\(1\le a,b,c,d ......
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 ......
Vue3调用Element-plus涉及子组件v-model双向绑定props问题
Vue3调用Element-plus涉及子组件v-model双向绑定props问题 在Vue3调用Element-plus的el-dialog组件时，碰到个很有意思的问题，el-dialog的属性值v-model直接控制对话框的显示与否，点击关闭对话框和遮罩区域，组件内部会自动更改v-model的值 ......
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 ......
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 ......
v-model添加number修饰符,如果这个值无法被parseFloat()解析，则会返回原始的值。
在默认情况下，v-model 在每次 input 事件触发后将输入框的值与数据进行同步 。你可以添加 lazy 修饰符，从而转为在 change 事件_之后_进行同步： 如果想自动将用户的输入值转为数值类型，可以给 v-model 添加 number 修饰符：如果这个值无法被 parseFloat( ......
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 ......
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 ......
Django——models中配置级联更新级联删除
代码如下： models.ForeignKey(to='Publish') models.ForeignKey(on_delete=models.CASCADE, on_update=models.CASCADE) ......
Model Inspector—软件模型静态规范检查工具
Model Inspector（MI）原厂商是韩国Suresoft，是KOLAS国际公认测评机构，旨在提升安全关键领域软件可信度。MI用于开发过程中模型的静态检查，包括规范检查、复杂度度量，提供MAAB、HIS、CG、MISRA_AC_SLSF、MISRA_AC_TL、dSPACE标准规范及检查，检... ......
A Latent Hidden Markov Model for Process Data读文献笔记
【个人笔记】：笔记（A Latent Hidden Markov Model for Process Data） \ Summary Response process data from computer-based problem-solving items describe respondent ......
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 ......
An invitation to 3-d vision: from images to geometric models英文pdf下载
Ma Y, Soatto S, Košecká J, et al. An invitation to 3-d vision: from images to geometric models[M]. New York: springer, 2004. https://www.eecis.udel.ed ......