What is rpm?
What is rpm?
The full name of rpm, The RPM Package Manager, is the package manager of the RHEL operating system with the suffix.Rpm.
RPM commands are used to install, uninstall, upgrade, query, list and check RPM packages on Linux systems.
rpm -ivh PAC ...
Posted on Mon, 18 May 2020 09:48:43 -0700 by loki1664
1. Summary of knowledge points
2. Case introduction
3. Layout file
4.1 entity class:
4.2 create database
4.3 CRUD operation
5.1. Difference between getWritableDatabase() and getReadableDatabase():
5.2. Interface description of SQLiteDataBase object
Posted on Sun, 17 May 2020 03:20:04 -0700 by exploo
Deploy monitoring server
Deploy monitoring server Zabbix Server
Web page validation settings
Deploy monitoring server
1, Install LNMP environment The Zabbix monitoring and management console needs to be displayed through Web pages, and MySQL is also needed to store data, so you need to prepare the basic LNMP ...
Posted on Sun, 17 May 2020 00:56:21 -0700 by mol
1. Single line comments in SQL statements
2. Multiline comment
3. Create a new database
4. Delete database
5. Create table
6. Delete data table in MySQL
7.MySQL insert data
8.MySQL query data
9.MySQL UPDATE records
10.MySQL DELETE statement delete records
11.MySQL LIKE clause fuzzy query
12.MySQL UNION operator union query
Posted on Sat, 16 May 2020 03:43:33 -0700 by terandle
Kong Jwt plugin with blacklist
extend Official jwt plug-in , keep token expiration and signature verification, add query redis blacklist database according to jti, and implement forced offline.
Optimize the configuration parameters, delete the token obtained from cookie, support the token obtained from url and header, ...
Posted on Fri, 15 May 2020 07:15:22 -0700 by Consolas
Ribbon Load Balancing
Simple steps to use:
1. New module for load balancing
2. Modify the module code:
3. Start module
4. Modify the consumer module
Load balancing algorithm:
Custom load rules:
(viii)Connect Last Spring Cloud Cognitive Learning (1): Introduction to Spring Cloud and Eureka Use
(viii)The previous article introduc ...
Posted on Thu, 14 May 2020 21:34:05 -0700 by kool_samule
1. Create database:
mysql> create database test ; // Create a database in mysql. The ID of the database is test.
[root@host] # mysqladmin -u root -p create test; / / create a database under linux. The database ID is test.
2. Delete database:
mysql> drop database test ; // Delete the database in mysql. The ID o ...
Posted on Thu, 14 May 2020 08:30:58 -0700 by baldwinw
The previous chapter introduced the ORM framework briefly, and wrote a tool class similar to orm. This chapter will introduce the Core version of Entity Framework, a famous ORM framework in the C ා world.
The non Core version of Entity Framework has been updated to 6 generations, which is a proven ORM framework. Here is a brief intro ...
Posted on Thu, 14 May 2020 03:05:51 -0700 by rebelo
This series of tutorials is divided into four stages
1.flask restful web service
2.flask restful api
3.flask Httpauth to realize authority control
4.uwsgi Manage flask applications
In the first two articles, we have studied the development and implementation of basic web services and restful api. After the implementation of interface develop ...
Posted on Thu, 14 May 2020 02:22:01 -0700 by Javizy
I don't know when it started, but the original obscure Bloom filter got a big reputation. In the interview, the interviewer asked how to avoid cache penetration. Your first reaction might be the Bloom filter. Cache penetration = Bloom filter became the standard match, but it's not clear what Bloom filter is and how to use it. Let's talk about ...
Posted on Wed, 13 May 2020 09:59:45 -0700 by broann