morning four the in
How fast are your disks? Find out the open source way, with fio
https://arstechnica.com/gadgets/2020/02/how-fast-are-your-disks-find-out-the-open-source-way-with-fio/ Storage benchmarking—much like Wi-Fi benchmarki ......
com.android.tools.r8.internal.Jc: Absent Code attribute in method that is no
Absent Codeattribute in method that is not native or abstract 背景：在导入framework.jar时，报错。一般这种问题就是对应的jar包有问题。 解决方式： 将implementation files('libs\\framework ......
sockaddr_in结构体中那些折磨人的类型转换
对于初学者来说，在对sockaddr_in结构体结构体仍不熟悉的状态下，看到各种htonl、htons、inet_addr等函数肯定各种头大。 首先，我们需要明确，sockaddr_in结构体中的各个成员的数据类型。 struct sockaddr_in { sa_family_t sin_fami ......
docker报错，ERROR: Got permission denied while trying to connect to the Docker daemon socket
使用docker，避免使用sudo命令 1.本地环境是Ubuntu18.04，docker version 19.03.12 以普通用户启动docker时，会报一下错误 Got permission denied while trying to connect to the Docker daemo ......
文章推荐---ChatGPT踩坑(too many signups from the same IP)
http://681314.com/A/S1A6pDeCNF 这个文章里关于注册写得不错，需要注意的地方有两点。 第一，最好在港澳台地区或类型的地方访问提供的网站，不然无法登录 第二，虚拟短信号码，最好选大国的，小国的我没收到 ......
c++编译报错 error: parse error in template argument list
[ 57%] Building CXX object dnet/CMakeFiles/dnet.dir/dconfig/dconfig_manager.cpp.oIn file included from /home/vi/git/dos/dnet/dconfig/dconfig_manager.c ......
some information about the origin of the OPT folder
In the old days, "/opt" was used by UNIX vendors like AT&T, Sun, DEC and 3rd-party vendors to hold "Option" packages; i.e. packages that you might hav ......
view PDF in emacs
to view PDF in emacs . ‘gs’ is a hard requirement. It needs to install ghostscript out of emacs. edit .init.el , add the following statement: (setq do ......
如何清理电热水壶的水垢教程 All In One
如何清理电热水壶的水垢教程 All In One
上海市自来水厂的水质太差了
小米电热水壶 2， 1.7L, 1800W
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mysql使用group by 异常on columns in GROUP BY clause; this is incompatible with sql_mode=only_full_group_by
临时解决 SET @@global.sql_mode ='STRICT_TRANS_TABLES,NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_DIVISION_BY_ZERO,NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION'; ......
【题解】[ABC248G] GCD cost on the tree
「八云紫」无数次痛苦地询问，为什么我们还活着？ ……而「古明地恋」从不会回答。 恋恋闭上了觉之眼。 思路 容斥 + dp. $\gcd$ 相关，考虑 $\mu$ 反演或者 $\varphi$ 反演。 本质上都和容斥差不多，不如直接一步到位考虑容斥。 把权值拆成 $\gcd$ 和对应的方案数两部分，考 ......
Uva--122 Trees on the level(二叉树的层次遍历)
记录 23:27 2023-4-20 https://onlinejudge.org/external/1/122.pdf reference:《算法竞赛入门经典第二版》例题6-7 二叉树的层次遍历，这里是直接复制了作者的代码。(之前在我的数据结构学习里面手写过树、二叉树、AVL树(说是手写，其实也 ......
The Second Type of Uncertainty in Monte Carlo Tree Search
**发表时间：**2020 **文章要点：**MCTS里通常通过计算访问次数来做探索，这个被称作count-derived uncertainty。这篇文章提出了第二种uncertainty，这种uncertainty来源于子树的大小，一个直觉的想法就是，如果一个动作对应下的子树小，那就不用探索那么 ......
Linux shell script redirection All In One
Linux shell script redirection All In One Linux shell 脚本重定向 &>/dev/null oh my zsh plugins vscode vscode.plugin.zsh # Verify if any manual user choice ......
1094 The Largest Generation
A family hierarchy is usually presented by a pedigree tree where all the nodes on the same level belong to the same generation. Your task is to find t ......
如何修复 SD 卡写保护错误，导致无法格式化 SD 卡 All In One
如何修复 SD 卡写保护错误，导致无法格式化 SD 卡 All In One
Error partitioning: Error: -69830: This operation requires an unmounted disk
microSD card / SD card
......
Ray Tracing In One Weekend
2. Output an Image PPM文件格式 写PPM文件内容 #include <iostream> int main() { // Image const int image_width = 256; const int image_height = 256; // Render std ......
Module not found: Error: Can't resolve 'axios' in 'D:\BaiduSyncdisk\vue-cli-project\dc_vue3\src\utils'
Module not found: Error: Can't resolve 'axios' in 'D:\BaiduSyncdisk\vue-cli-project\dc_vue3\src\utils' 因：没有安装axios插件 在运行项目的地方npm install --save axios ......
Git提交时提示The file will have its original line endings in your working directory的解决方法
同事新建了一个仓库，git add的时候总是会提示 warning: LF will be replaced by CRLF in public/tinymce/README.md.The file will have its original line endings in your workin ......
Find the sum of the series : 1.n + 2.(n – 1) + 3.(n – 2) + ….. + (n – 1).2 + n.1.
https://www.vedantu.com/question-answer/find-the-sum-of-the-series-1n-+-2n-1-+-3n-2-+-+-class-11-maths-cbse-5f34d4da5597f32583a5adca ......
SQLSERVER 交、并、差集，In,Not In,Exist,Not Exist的区别，四种连接（转载）
原文链接：https://blog.csdn.net/weixin_46879188/article/details/119652042 一、SQLServer 交(intersect)、并(union)、差(except)集合运算SQLServer中通过intersect,union,except ......
Emmet in VS Code
前言 Emmet可以极大的提高 html 和 css 的编写效率，它提供了一种非常简练的语法规则。 举个例子，我们在编辑器中输入缩写代码：ul>li*6 ，然后按下 Tab 键，即可得到如下代码片段： <ul> <li></li> <li></li> <li></li> <li></li> <li> ......
如何使用蓝牙控制树莓派 All In One
如何使用蓝牙控制树莓派 All In One Raspberry Pi & Bluetooth & Node.js $ sudo apt-get update $ sudo apt-get upgrade # nvm $ sudo apt-get install nodejs $ sudo apt- ......
Unlock the Power of High-Performance Networking with the IPQ9554
In today's world, reliable and high-speed internet connectivity is essential for everything from online gaming and streaming to remote work and learni ......
Arrange the Numbers UVA - 11481
求 1∼n 的排列 A 中，满足前 m 个数中，刚好有 K 个数使得 A[ i ]=i 的 AA 的个数。 错位排列 #include<bits/stdc++.h> using namespace std; const int mod=1e9+7; #define int long long int ......
fix Linux apt-get install package HTTPS error All In One
fix Linux apt-get install package HTTPS error All In One
errors
E: The method driver /usr/libapt/methods/https could not be found.
N: Is the package a... ......
中国台湾 6 大电子代工厂 All In One
中国台湾 6 大电子代工厂 All In One
台湾六大电子代工厂：鸿海(富士康)、和硕(昌硕)、仁宝、英业达、纬创、广达;
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关于报错：Error adding module to project: setSdk: sdk '1.8' type 'JavaSDK' is not registered in ProjectJdkTable
问题描述： Error adding module to project: setSdk: sdk '1.8' type 'JavaSDK' is not registered in ProjectJdkTable （图片来自贴吧，看到有一个人问这个问题，然后自己碰到了但是忘了截图） 说明当前项目在 ......
Raspberry Pi & Experience AI All In One
Raspberry Pi & Experience AI All In One
Experience AI is a new educational programme that offers cutting-edge KS3 (ages 11–14) resources on artificial... ......