Reconstruction of P4198 building in Luogu (line section tree)
meaning of the title Title Link Sol Don't ask me why I sent it twice just to cheat traffic The line tree method of this question is very wonderfu...
[C + +] 42 μ type conversion function
Question:Can class types be converted to normal types? #include <iostream> using namespace std; class Test { }; int main() { Test t; int i = 0; ...
nginx deploy thinkphp and laravel
Recently, bloggers deployed a TP5 project they practiced under Centos+Nginx environment. Some problems were encountered in the process, but the probl...
A detailed explanation of Z-arrangement (C + +)
A detailed explanation of the problem of zigzag arrangement (C + +): Problem Description: given a matrix matrix, output the content of matrix after Z-...
Luogu P3246 [HNOI2016] sequence (offline differential tree array)
meaning of the title Title Link Sol It seems that a different method has been worked out from the solution of the question (however, it still exploded...
Appearance mode of design mode (structural type)
[TOC] I. model definition Appearance mode: appearance mode is to provide a unified interface to access a group of interfaces of subsystem. The facade...
[reprint] C ා tool class: Csv file conversion class
csv is a comma separated value format file that stores table data (numbers and text) in plain text. A csv file consists of any number of records separ...
Saltstack user guide 03 configuration management
1. Host planning Matters needing attention If the configuration file of master or minion is modified, the corresponding service must be restarted. 2....
Logu P4063 [JXOI2017] series (dp)
meaning of the title Title Link Sol It's not hard to think about this problem, but it's very troublesome to write, and then I went to look a...
Logue P4424 [HNOI/AHOI2018] treasure hunt game (thinking problem)
meaning of the title Title Link Sol Fairy question Orz Orz zbq searches 70.. Consider the nature of "and" and "or" \(0 \& 0 = ...
Theory+Practice: shell case statement for/while/until loop statement, function, array-full dry goods
Preface: Single quotation marks denote pure symbols with double quotation table strings case multi-branch statement Loop statement for loop statement...
Cross thread access of winform
Problem description In winform development, we can't avoid using multi-threaded or asynchronous methods in data exchange, so we can't avoid ...
X264 application engineering
In the next few blogs, learn the implementation process of X264. The analysis of source code refers to Raytheon's blog, thank you Raytheon! Blog ...
PCL uses RANSAC to fit segmentation plane by itself
Using PCL segmentation algorithm pcl::SACSegmentation<pcl::PointXYZ> seg; , do not use the normal parameters, only get the segmentation patch ac...
FPGA Foundation (verilog language) - syntax
Introduction to verilog verilog is a language with syntax similar to c, but it is different from c, for example: 1.verilog language is parallel, each ...
Luogu - P1018 product maximum problem solution
Original text: https://www.luogu.org/problemnew/solution/P1018?page=7 Title: P1018 [maximum product] Preface: In theory, the positive solution of this...
First contact decorator
Preface A few days ago, my teacher used an ornament when optimizing and refactoring my code. I felt that the ornament was a useful thing, and it was a...
C + + -- initialization list
Q: is the definition of the following program class legal? #include <iostream> using namespace std; class Test { private: const int ci; public:...
Centos Docker Configuration Overview
Coordinates a school in Nanjing. Campus Network Configuration Docker needs to configure a proxy server. From 2 p.m. to 19.38 p.m., make a note to mak...
Java to edit multiple pictures and text into one picture
Java to edit multiple pictures and text into one picture Due to the need to generate a poster with multiple pictures and customized text in the busine...
Spring series six: the use of spring JDBC template in Dao
concept The main function of JDBC template in Spring is to realize data interaction. Next, we will use JDBC template to write test cases in dao layer ...
[springboot development monomer web shop] 2. Mybatis Generator generates common mapper
Mybatis Generator tool After we start a new project, we usually have to write a lot of entity/pojo/dto/mapper/dao... Most of the R & D brothers wi...
[NOI2006] network charge
An interesting question for thieves. Think about converting the cost into something. Watch If we define the state of leaf node ,}, the state of non le...
Traversal of P3961 graph in Luogu
Source of topic There are many ways to do this problem. I'll just mention one here It's the Archmage. Reverse edge building can be used, sta...
HDU2023 average - biaobiao88
Title Link: http://acm.hdu.edu.cn/showproblem.php?pid=2023 Average performance Problem Description Suppose that there are n (n < = 50) students in ...
Jdbc Series VIII: batch processing
when records need to be inserted or updated in batches. The batch update mechanism of Java can be used, which allows multiple statements to be submit...
redhat6.7 yum network source configuration
The yum source provided by RedHat can only be used after the current system has registered RHN. If there is no registration, when using yum, you will ...
Vi. installation and configuration Hive (the sixth operation)
MySQL installation Download MySQL server from the official website (yum installation) wget http://dev.mysql.com/get/mysql-community-release-el7-5.noa...
Thread sharing and collaboration in concurrent programming
For more advanced video learning of Android architecture, please click: https://space.bilibili.com/47...This article will discuss thread sharing and c...
JDBC: You always have to learn to connect to a database!
BWH_Steven: Love you again with JDBC (1) Getting started with JDBC (1) Overview Java Database Connectivity (JDBC) is an application interface in the J...