https://www.luogu.com.cn/problem/CF1294E 按列考虑，先对于列中每个找当哪一个为第一个时，这个恰好摆放正确。 即 \(a_{i,j}=(i-1)*m+j\)，记 \(qwq=(a-j)/m\)，则当第一个在 \(i-qwq\)，时这个摆放正确，或者考虑 \(qwq=n-x+i,x=n-qwq+i\)，然后枚举第一个就好了。 注意判下是否值在这列，不仅
HDFS 在本地使用java API上传文件到阿里云ECS报错 org.apache.hadoop.hdfs.BlockMissingException: Could not obtain block org.apache.hadoop.ipc.RemoteException(java.io.IOException): could only be replicated to 0 nodes instead of minReplication (=1) 问题描述 在本地
public static void main(String []args) { // Obtain the total milliseconds since midnight, Jan 1,1970 long totalMilliseconds = System.currentTimeMillis(); //Obtain the total seconds since midnight,Jan 1,1970 long totalSeconds
1. 现象 2. 处理方法 ps aux | grep elastic kill -9 [pid] 参考链接： https://blog.csdn.net/davidchang365/article/details/103254012
the results: The max value in the array is: 7 The codes: //obtain the max value from an array by recrusive method #include <iostream> #include <iomanip> using namespace std; int getMaxValue(int array[], int n); int main() { int a[] = {1,2,
<bean id="dataSource" class="com.alibaba.druid.pool.DruidDataSource"> <property name="url" value="${url}"/> <property name="username" value="root"/> <property nam
GestureDescription build构建 手势描述类 dispatchGesture 执行 手势描述类 GestureDescription.GestureStep 手势操作步骤类 final IAccessibilityServiceConnection connection = AccessibilityInteractionClient.getInstance().getConnection(
检查主库传输通道状态 show parameter dest; select error,status from gv$archive_dest where dest_id=11; 重启备库 alter database recover managed standby database cancel; shutdown immediate; startup; alter database recover managed standby database using cur
RationalDMIS V2020 自动测量直线（DCC直线） 短直线测量时，采样范围过小导致的测量结果准确性降低 图1 短直线夹角和距离的测量时，由于采样范围过小，造成采样信息量明显减少，而且测量长度越短，信息量损失越大，测量误差放大倍数越大。 对短直线进行测量时，要注意图纸上元素的
在视频直播源码开发过程中，有时会需要用到二维码扫描功能，用户只要点开系统自带的摄像头，就能够扫描二维码，那么，这一功能该如何去实现呢？ 一、 视频直播源码实现摄像头扫描 if (!_scanView) { _scanView = [[SGQRCodeScanView alloc] initWithFrame:CGRectMake(0, 64+statusb
1.单机模式将内置数据库derby改为mysql: 踩坑： 按照以上操作，启动nacos报错。 org.springframework.jdbc.CannotGetJdbcConnectionException: Failed to obtain JDBC Connection; nested 等等等等提到了timezone， 解决加上 ?serverTimezone=GMT%2B8 测试成功能写
jdbc.properties配置文件的书写格式问题 今天在配置数据库连接信息时，使用了外部配置文件，出现数据库连接失败 我的jdbc.properties内容如下 spring配置如下 看起来没什么问题，但就是报错了。 错误信息：Failed to obtain JDBC Connection; nested exception is java.sql.SQLExc
Partially execute a model: Sometimes you may want to obtain an intermediate tensor inside a model, such as the input of certain layer, the output before post-processing. Since there are typically hundreds of intermediate tensors, there isn’t an API that p
L - Regular Bracket Sequence CodeForces - 1469A Problem Description A bracket sequence is called regular if it is possible to obtain correct arithmetic expression by inserting characters + and 1 into this sequence. For example, sequences (())(), () and (
$$DMISLAYER/'SCR200Calibration.dms' DECL/REAL,PORTX,PORTY,PORTZ,IT,JT,I,J,K,SNLENG,FPORTX,FPORTY,DirFac,PortPos DECL/INTGR,10,L,PORTDIR DECL/CHAR,10,CalibFile,HomeDir $$ENDLAYER PortPos=0 TEXT/OPER,'Latch all port lids in their open positio
$$DMISLAYER/'START' DECL/REAL,PORTX,PORTY,PORTZ,IT,JT,IVEC,JVEC,KVEC,SNLENG,FPORTX,FPORTY,SENDIA DECL/INTGR,10,SEQ,PORTDIR DECL/CHAR,10,HomeDir,CalibFile,calibfil TEXT/OPER,'Latch first port lids in their open position.' UNITS/MM,ANGD
分数 fractions score 获得 get obtain 采用 adopt use 表示 denote represent 标记 mark label 重定位 reposition repositioning relocation 化合物 compound 化学的;化学药品 chemical 特征 characteristic feature trait 特性 properity feature characteristic characte
问题 利用pycharm远程连接tensorflow的docker容器，远程debug出现问题如下： Can't run remote python interpreter: Couldn't obtain remote socket from output [1;31m ________ _______________ ___ __/__________________________________ ____/__ /________ __ __ / _ _
Given a number s in their binary representation. Return the number of steps to reduce it to 1 under the following rules: If the current number is even, you have to divide it by 2. If the current number is odd, you have to add 1 to it. It's guar
You are given two strings ss and tt consisting of lowercase Latin letters. Also you have a string zz which is initially empty. You want string zz to be equal to string tt. You can perform the following operation to achieve this: append any subsequen
题意： 给出两个串s和t，每次操作可以选择s中的一个子序列拼到z串后，z串一开始是空的，询问至少操作几次可以使得z串变成t串 题解： 预处理思维题，我太菜了，这都不会做... 定义一个二维数组nxt，表示s中第i-1个字符后面要跟第j个字母的话，应该去哪个位置（比较难懂...） 然后先初始化所有边界值为-1
time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output You are given two positive integers aa and bb. In one move, you can change aa in the following way: Choose any positive odd integer xx (
You are given two positive integers aa and bb . In one move, you can change aa in the following way: Choose any positive odd integer xx (x>0x>0 ) and replace aa with a+xa+x ; choose any positive even integer yy (y>0y>0 ) and replace aa with
学习自蘑菇街大佬 Handler机制可以看成是一个消息阻塞队列,当有消息时立即处理消息,没有消息时则阻塞.在Android系统中APP启动后很快进入死循环,不断读取MessageQueue中的消息,有消息则立即处理,没有消息则阻塞.Android的View绘制，事件响应(点击，触摸屏幕等)都是把消息发送到了主
Before the Beginniing 本文为 Clouder 原创文章，原文链接为Click，转载时请将本段放在文章开头显眼处。如进行了二次创作，请明确标明。 由本人转载于博客园。 题意分析 Codeforces题目链接 给出一个 \(n \times m\) 的矩阵，给出两种操作： 将某一列整体向上移动一位。 修改某一个位置的
