redis application scenario
Install compile & & start
redis storage structure
Five data structures of Redis
string basic command
string storage structure
Application of string data type in redis
list basic command
list storage structure
storage struct ...
Added by artied on Thu, 03 Mar 2022 03:51:03 +0200
etcd Server startup overview
The startup of etcd server includes two parts:
The main process of etcdServer, which directly or indirectly includes many core components such as raftNode, WAL and snapshot, can be understood as a container; The other is raftNode, which encapsulates the implementation of the internal Raft protocol and exposes ...
Added by mishasoni on Thu, 03 Mar 2022 03:39:51 +0200
PostgreSQL PostGIS - getting started example
Spatial data is an important kind of data. The software used in our daily life, such as map navigation, taxi software, restaurant recommendation and takeout express, are closely related to spatial data. Spatial data usually has complex structure and large amount of data. For the analysis ...
Preface: introduce a simple MyBatis encryption and decryption method. This method is rarely mentioned in daily study and work, so let's talk about it. If you already know this method, ignore this article
Sometimes in our database, some sensitive information of users, such as mobile phone number, bank card and other information, ...
Added by gordong1968 on Wed, 02 Mar 2022 15:31:46 +0200
Hello, everyone. I'm Xiaoyan youcong noodles. Recently, I always use MongoDB database, which is really convenient. When you deploy the program, you always use database migration and backup. Today we will summarize briefly. Welcome to share and share (code word is not easy, I hope you can identify the source). Please correct it if there is somet ...
Added by cstevio on Wed, 02 Mar 2022 13:16:38 +0200
1, Case effect
2, Development preparation
It should be noted that if you want to use JS API, you must register an account and ...
Added by Daukan on Wed, 02 Mar 2022 07:09:23 +0200
0. All my software download directories are in the software directory
mkdir -p /usr/local/fastdfs
1. Install gcc on Linux machine
yum -y install cmake make gcc-c++
1, Install core library
1.1 installation version
Added by reecec on Wed, 02 Mar 2022 07:05:53 +0200
Python wechat ordering applet course video
Python actual combat quantitative transaction financial management system
Recently, a self-developed Dubbo registration center in charge often received alarms about CPU utilization, so it carried out a wav ...
Added by jevman on Wed, 02 Mar 2022 06:44:15 +0200
inout parameter mode of Oracle
Stored procedures and functions in Oracle can have parameters. The types of parameters can be specified as in, out and in out modes. IN: used to pass IN parameters When calling a procedure, the arguments are passed to the procedure Within a procedure, formal parameters are treated as read-only and cannot be chang ...
Added by mobile target on Tue, 01 Mar 2022 18:10:55 +0200
The customer in this case is from a provincial telecom. A large number of ORA-00600 errors in alert logs have affected the normal operation of the business.Fri Nov 19 16:07:09 2021Errors in file /u01/oracle/app/oracle/diag/rdbms/lcfa/LCFA1/trace/LCFA1_smon_5811.trc (incident=184182):
ORA-00600: internal error code, arguments: [41 ...
Added by kobayashi_one on Tue, 01 Mar 2022 12:40:45 +0200