Programming VIP

SSL Connection in Mysql The following is from the network reference and self-test collation, did not find the relevant information. If there are any mistakes, please correct them. Current Mysql client versions are basically not able to support caching_sha2_password authentication. With Mysql 8.0, it is recommended to add parameters: defa ...

php registry tree mode 1. What is the registration tree mode? Registered Tree mode registers object instances on the global object tree, removing objects from the global object tree when needed, just like buying candied gourds when you were a kid. Candied gourds are put on a big stick and people take them off when they buy them. The differenc ...

1. Installing PHP and Extension Packagerpm -Uvh http://mirror.webtatic.com/yum/el6/latest.rpm yum -y install php56w php56w-gd php56w-mysql php56w-bcmath php56w-mbstring php56w-xml php56w-ldap2. Install mysql and configure itrpm -ivh http://dev.mysql.com/get/mysql-community-release ...

Optimistic Lock Introduction: Optimistic Locking is a relative pessimistic lock. Optimistic Locking assumes that data will not conflict in general. Therefore, when data is submitted and updated, it will formally detect the conflict of data. If conflict is found, it will let the user return the wrong information and let the user decide. What to ...

I. Overview Usually, when operating a database, users want to request a connection from the database, and it usually takes a relatively large amount of resources and a long time to create a connection. If a website has millions of visits per day, the database server needs to create millions of connections. This is extremely important for datab ...

What is the purpose of this person? I have more or less heard some safety circle bulls say similar ideas, to the effect that they can scan configuration files of various programs and services (such as SVN files, RSYNC configuration files, etc.). Find sensitive information from it, and then find the breakthrough of intrusion. Along the same line ...

Windows builds Jenkins + SnoarQube from scratch This document does not currently contain publishing-related knowledge points. Continuous Integrated Environment: Jenkins Required system environment: java 8 and above, configure java-related environment variables (skipped here) Code hosting: Git 2.22 or gitlab Review tool: SonarQube The to ...

(Import the driver jar package for this database before connecting to it, for example MySQL is mysql-connector-java-5.1.46.jar) About the database connection pool c3p0 jar package that connects to the database: c3p0-0.9.5-pre1.jar dependent mchange-commons-java-0.2.4.jar itcast-tools-1.4.jar (where a JdbcUtils tool class is used to connect) ...

Docker is an open source application container engine that allows developers to package their applications and dependencies into a portable container and then publish them to any popular Linux machine, as well as virtualization. Containers are completely sandboxed and do not have any interfaces with each other. The advent of Docker has allowed ...

I used to use mysql on windows, now I use mysql on ubuntu16 and install workbench. 1) Installation process The installation process is relatively simple. sudo apt-get update sudo apt-get install mysql-server mysql-client You can install mysql well, and do not need to go to the mirror download and install it manually step by step. That req ...