Programmer Group

1, dlib library introduction and related installation 1.1 INTRODUCTION Dlib library is an open source library of machine learning, which contains many algorithms of machine learning. It is very convenient to use. It can directly include header files, and does not depend on other libraries (with its own image codec library source code). Dl ...

1, Sort three numbers Method 1: function #include<stdio.h> int MAX(int a,int b) { int max=a>b?a:b; return max; } int MIN(int a,int b) { int min=a<b?a:b; return min; } int main() { int a=0,b=0,c=0; scanf("%d %d %d",&a,&b,&c); int max=MAX(MAX(a,b),c); int min=MIN(MIN(a,b),c); int mid ...

1. Comparison between docker and virtual machine Compared with traditional virtual machines, Docker has fast startup speed and small footprint. 2. Docker component 2.1 docker server and client 2.2 docker image and container Mirroring is the foundation for building containers. 2.3 Registry registry Used to save user built images. I ...

DrawerLayout is a control that implements the sideslip menu effect. DawerLayout is divided into two parts: side menu and main content area: The main content area should be placed in front of the side menu. In addition, the main content area should preferably take the DrawerLayout as the root layout of the interface, otherwise the touch event ...

catalogue 1, Regular expression 1. Introduction 2. Common matching types 3. Query mode 2, Operator 1. Arithmetic operator 2. Comparison operator 3. Logical operator (Boolean)   4. Bitwise operator   3, Connection query 1. Inner connection 2. Left connection 3. Right connection summary 1, Regular expression 1. Introduc ...

Nginx common functions 1. Http proxy, reverse proxy: As one of the most commonly used functions of web server, especially reverse proxy. When working as a reverse proxy, nginx provides stable performance and flexible forwarding function. Nginx can adopt different forwarding strategies according to different regular matching, such as file ser ...

MyBatis framework dynamic Sql Dynamic SQL: judge the conditions through various tags provided by MyBatis to realize dynamic splicing of SQL statements. The expression used for conditional judgment here is OGNL expression. The commonly used dynamic SQL tags are,,, and so on. The dynamic SQL statement of MyBatis is very similar to the stat ...

Polynomial evaluation For polynomials f ( x ) = a 0 + a ...

io usage scenarios When we want to store some data in the disk so that the data can be found when the program closes and runs again, we need to write the data out of the program with io stream, write it to the local file, or save it to the database, etc. iO details Check the java API documentation -- java.base -- java.io. It is found ...

**WordPress is a commonly used software for building personal blog websites, which is developed in PHP language. Build nginx By default, CentOS 7.6 does not have the source of nginx. You need to configure the official website of nginx to provide the source address of Gentos. Configure nginx source [root@hl-web lnmp-wordpress]# rpm -Uvh h ...