the

踩坑:nacos启动报错提示需要设置JDK环境 ,报错:ERROR: Please set the JAVA_HOME variable in your environment, We need java(x64)! jdk8 or later is better! !!

换了个Windows11的新电脑,因为个人工作、学习需要,就重新下载了Nacos并解压使用,结果就踩了个坑,使用下面命令启动Nacos服务端时: startup.cmd -m standalone 直接在黑窗口提示:ERROR: Please set the JAVA_HOME variable i ......
environment JAVA_HOME variable 环境 Please

CF1824D LuoTianyi and the Function【线段树】

给定长为 $n$ 的数组 $a$,如下定义 $g(i,j)$:当 $i \leq j$ 时,$g(i,j)$ 是满足 $\{ a_p : i \leq p \leq j \} \subseteq \{a_q : x \leq q \leq j\}$ 的最大整数 $x$。否则 $g(i,j) = 0$ ......
线段 LuoTianyi Function 1824D 1824

Minio预览图片报错:The Access Key Id you provided does not exist in our records.

一、错误信息 <Error> <Code>InvalidAccessKeyId</Code> <Message>The Access Key Id you provided does not exist in our records.</Message> <Key>34e20ef0681345c1b ......
provided records Access 图片 Minio

Check the tbs' usage in PDB and CDB

check out the tbs's usage in PDB and CDB , run in CDB set line 200 pages 999 column name for a10 column tablespace_name for a15 column "MAXSIZE (GB)" ......
Check usage CDB the tbs

Oracle migrate the users into another DB instance

-- ###############OnSource################### create or replace procedure pr_user_ddl as cursor get_username is select username from dba_users where u ......
instance migrate another Oracle users

permission denied while trying to connect to the Docker daemon socket at unix:///var/run/docker.sock: Get "http://%2Fvar%2Frun%2Fd dial unix /var/run/docker.sock: connect: permission denied

001、普通用户操作docker遇到如下问题 permission denied while trying to connect to the Docker daemon socket at unix:///var/run/docker.sock: Get "http://%2Fvar%2Frun% ......
permission connect denied docker sock

Uva--699 The Falling Leaves,(二叉树的递归遍历)

**记录** 10:46 2023-5-20 http://uva.onlinejudge.org/external/6/699.html reference:《算法竞赛入门经典第二版》例题6-10 二叉树的层次遍历,边读边写(这些题给我感觉是非常灵活),对每个节点需要的数据就是在sum数组的位置 ......
Falling Leaves Uva 699 The

1094 The Largest Generation

题目: 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 fi ......
Generation Largest 1094 The

Redirect the Output of systemd Service to a File

By default stdout and stderr of a systemd unit are sent to syslog. 以filebeat service 为例: [Unit] Description=filebeat StartLimitIntervalSec=0 [Service] ......
Redirect Service systemd Output File

generate a 3D chart in Python using the CSV data

Here's an example of how you could use Matplotlib to create a 3D scatter plot from your CSV data: import pandas as pd import matplotlib.pyplot as plt ......
generate Python chart using data

Row size too large. The maximum row size for the used table type, not counting BLOBs, is 65535.

问题描述 新建表或者修改表varchar字段长度的时候,出现这个错误 Row size too large. The maximum row size for the used table type, not counting BLOBs, is 65535. This includes stora ......
size counting maximum BLOBs 65535

How to use pip3 install the latest version package All In One

How to use pip3 install the latest version package All In One 如何使用pip3安装最新版本包 ......
install package version latest pip3

cURL error 60: Peer's certificate issuer has been marked as not trusted by the user

PHP中的curl提供了发送网络请求的一系列函数,我们在使用的时候很方便,但有时也会遇到一些问题。标题的错误我曾经遇到过一次,解决之后没有做相关记录,导致最近遇到该错误时,又花了很多时间去解决。 cURL error 60: Peer's certificate issuer has been ma ......
certificate trusted issuer marked error

The First Collision for Full SHA-1阅读笔记

论文链接: https://doi.org/10.1007/978-3-319-63688-7_19. 论文给出了第一个SHA-1的实际碰撞. 攻击步骤 找到合适的扰动向量. 构造非线性部分差分路径. 确定每步的条件. 扰动向量选择 采用联合局部碰撞分析(JLCA)技术. 不考虑一条差分路径的概率, ......
Collision 笔记 First Full The

良心分享,不需要CSDN的下载积分。centos 7安装vmware-tools时,遇the path "" is not valid path to the gcc binary和the path "" is not a valid path to the 3.10.0-327.e17.x86_64 kernel headers问题解决

看到CSDN有下载还得要积分,真是缺德啊。centos官网有的下载的只是比较难找。 在这里分享给大家,大家给个关注哦 1. 通过 uname -r 确认自己的版本 例如:提示: 3.10.0-327.el7.x86_64 2. 找到相应rpm包 kernel-devel-3.10.0-327.el7 ......
path quot the valid vmware-tools

How to use the Raspberry Pi and Python to control a DHT11 wet and temperate module All In One

How to use the Raspberry Pi and Python to control a DHT11 wet and temperate module All In One 如何使用树莓派和 Python 来控制温湿度模块 ......
Raspberry and temperate control Python

问题记录之mysql:Job for mysqld.service failed because the control process exited with error code. See "systemctl status mysqld.service" and "journalctl -xe" for details.

今天服务器连接mysql发现一直超时(查出的原因是磁盘满了)清了磁盘以后,mysqld.service 还是无法启动 执行命令及报错如下:(注意,因为磁盘满的问题,我的mysql并不是正常途径关闭的) 控制进程以错误代码退出导致无法以正常的方式启动它了, 错误说明:Job for mysqld.se ......
quot service mysqld journalctl for

Your password does not satisfy the current policy requirements解决办法

mysql5.7.x安装以后,想修改随机生成的密码为简单容易记忆的密码,如root,123456等,这时候通过修改密码的几种方式都不行,出现密码不符合当前安全策略要求。为了解决这种问题,可以修改几个值,他们是关于密码验证的设置。我们通过随机生成的密码,登录数据库,查看密码验证相关变量:mysql> ......
requirements password current satisfy 办法

SoftRAID/FakeRAID hardware. In the first case run chkdsk /f on Windows

[root@storage1 ~]# mount /dev/sdj3 /mnt/data-dir/ntfs_mst_post_read_fixup_warn: magic: 0xffffffff size: 1024 usa_ofs: 65535 usa_count: 65535: Invalid ......
SoftRAID FakeRAID hardware Windows chkdsk

CF1824A LuoTianYi and the Show

题意 有 $n$ 个人、编号为 $1$ 至 $m$ 的 $m$ 个座位与三种坐座位的方式: 坐在最左边的人的左边,当 $1$ 号座位也不为空时就不坐了,当没有人坐在座位上时坐在 $m$ 号座位上; 坐在最右边的人的右边,当 $m$ 号座位也不为空时就不坐了,当没有人坐在座位上时坐在 $1$ 号座位上 ......
LuoTianYi 1824A 1824 Show and

使用EventBus 3.0 报 Subscriber class com.example.test.MainActivity and its super classes have no public methods with the @Subscribe annotation

代码如下: public class MainActivity extends AppCompatActivity { @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanc ......

CF1824B2 LuoTianyi and the Floating Islands (Hard Version) - 概率期望 - 树的重心 -

题目链接:https://codeforces.com/contest/1824/problem/B2 题解: 考虑一棵 $n$ 个点的树,假如已经选定了 $k$ 个特殊点,如何判断某一个点是否为好点? 显然将这个点提到根没有影响,那么好点的充要条件是对于所有子树的 $S_u$ 值都 $\leq k ......
概率 重心 LuoTianyi Floating Islands

You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '?' 问题的解决

问题描述 显示在条件查询的sql语句那里报错 问题解决 本来我是习惯了使用servlet写数据库操作的,然后就直接忽略掉了,或者说,直接忘记了在jsp里面的sql语句怎么正确书写了; 经过查阅资料发现,查询语句是这样写的: String sql="select * from book where i ......
syntax your corresponds the version

java.lang.IllegalStateException: Failed to check the status of the service 的解决办法

参考资料 java.lang.IllegalStateException: Failed to check the status of the service 的解决办法_Hello_World_QWP的博客-CSDN博客 环境条件 spring cloud,注册中心用的是zookeeper; 报错 ......

CF1824B2 LuoTianyi and the Floating Islands题解

是 Div2 的 D1 和 D2。 题意 给定一棵 $n$ 个结点的树,现在有 $k(k\leq n)$ 个结点上有人。 一个结点是好的当且仅当这个点到所有人的距离之和最小。 求在这 $n$ 个点中随机取 $k$ 个点时,好的结点的期望个数,对 $10^9+7$ 取模。 Easy: $k\leq 3 ......
题解 LuoTianyi Floating Islands 1824B

CF1825C LuoTianyi and the Show

传送门(luogu) 传送门(CF) 前言 ~~我来水题解力~~ 简化题意 $n$ 个人,$m$ 个座位,每个人落座的方法有三种: 坐最左边的人的左边,没人的话就做 $m$ 号座位,若最左边的为 $1$ 号,就离开; 坐最右边的人的右边,没人的话就做 $1$ 号座位,若最右边的为 $m$ 号,就离开 ......
LuoTianyi 1825C 1825 Show and

WARNING: Running pip as the 'root' user can result in broken permissions and conflicting behaviour with the system package manager......

pip install -r requirements.txt 报错"WARNING: Running pip as the 'root' user can result in broken permissions and conflicting behaviour with the system ......

解决git错误: error: The following untracked working tree files would be overwritten by merge

在我本地上进行git pull的时候,出现这个错误: error: The following untracked working tree files would be overwritten by merge: config/config.php 这是因为,本地上有一个文件,没有被git管理,但 ......

The 16th Harbin Engineering University Collegiate Programming Contest

The 16th Harbin Engineering University Collegiate Programming Contest A. stral Reflection 用右界覆盖左界为下标的数组 构成一个以i为左界,a[i]为右界的数组 以此表示区间 对于每一个陨石都尽可能找左界<=自己 ......

How to use Linux command to find out the background process All In One

How to use Linux command to find out the background process All In One ......
background command process Linux to