Spring boot + Dubbo + zookerper in windows environment to realize mutual invocation
1. Download and configuration of zookerper:
jar Download Address: http://mirror.bit.edu.cn/apache/zookeeper/zookeeper-3.4.14/zookeeper-3.4.14.tar.gz
1. Download it and decompress it to modify the configuration file. Copy zoo_sample.cfg under the conf folder a ...
Posted on Wed, 18 Sep 2019 04:20:20 -0700 by lynn897
In mybatis, an sqlsession object (which encapsulates connection objects) is encapsulated to perform CRUD operations on the database.
Mybatis has a configurable XML for configuring data sources and mapping Mapping. The file name of XML is optional. For convenience, we still start mybatis-config.xml.
We read the xml of this conf ...
Posted on Tue, 17 Sep 2019 07:41:18 -0700 by llama
0. Spring transactions with LTW
0.1. Reasons for Spring Transaction With LTW:
Pure Proxy-base mode l is defective, its failure reason analysis and operation mechanism (LoadTime Weaver Bean Definition Parser and AspectJ Weaving Enabler) have been written, no more writing;
0.2 JDBC transactions are at the Connection level:
Basic operation templat ...
Posted on Tue, 17 Sep 2019 04:54:20 -0700 by misfits
I. Cluster Planning
A three-node Hadoop cluster is built here, in which three hosts deploy DataNode and NodeManager services, but only NameNode and ResourceManager services are deployed on hadoop001.
Hadoop runs on JDK and needs to be pre-installed. The installation steps are arranged separately to:
Installation of JDK under L ...
Posted on Mon, 16 Sep 2019 04:19:53 -0700 by edup_pt
Next, we implement the communication guard function, which is to provide users with a blacklist function. Users add the number they don't want to answer to the blacklist and hang up automatically if the number calls.
Because the view is separate ...
Posted on Mon, 16 Sep 2019 04:02:49 -0700 by Acs
On my blog, you have the opportunity to read many articles about building microservices using frameworks like Spring Boot or Micronaut.Here's another very interesting framework, dedicated to the architecture of micro-services, that's getting more and more attention- Quarkus .It was introduced as the next-generation native Java framework for Kub ...
Posted on Sun, 15 Sep 2019 19:14:05 -0700 by natasha_thomas
Object Relational Mapping (ORM) is a technology to solve the mismatch between object-oriented and relational database. In short, ORM automatically persists objects in programs to relational databases by using metadata that describes the mapping between objects and databases.
When you develop an application (without O ...
Posted on Sat, 14 Sep 2019 06:52:58 -0700 by batman
1. I don't know where to use it.
(1) Find the official example code, because my code reading ability is limited, so download the part of the code, read it while looking up the notes, and then knock it again (opencv2.x and opencv3.x are not the same u ...
Posted on Sat, 14 Sep 2019 06:50:03 -0700 by diagnostix
According to the execution flow chart above, we can see a whole execution outline of Spring MVC. Let's analyze it in detail below.
First, the server receives a request, matches and calls our Dispatcher Servlet, also known as the request path of the CPU, and configures it in the web.xml file. Let's look at the configuration file. ...
Posted on Sat, 14 Sep 2019 06:44:40 -0700 by sjaccaud
Navigation is a Fragment that allows users to browse, enter and exit different content in an application. Navigation enables you to move from simple button clicks to more complex modes, such as application bars and navigation drawers. Navigation comp ...
Posted on Sat, 14 Sep 2019 05:41:24 -0700 by spenceddd