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Tag: relationship

Hibernate – GRAILS Domain Relationship

I have a class called School, which has many students, so now when I use School.read to read the school instance, I don’t want all students Have been taken out eagerly, so I changed the laziness of

October 12, 2021By Simo Hibernate domain name, Grails, Hibernate, relationshipLeave a Comment

Use the Hibernate Projections on Entity With Manytoone relationship, use fewer columns on SQL query

I am trying to build a smaller SQL to avoid the “select * from A” built for hibernate Criteria by default.

If I Using simple fields (no relation), through “Transformers”, I can manage to have

October 12, 2021By Simo Hibernate entity, Hibernate, less, Manytoone, More, Projections, query, relationship, SQL, Through, useLeave a Comment

Trunk, Hybrid, Access, Tag, Untag, PVID

I. Concept

1, Trunk port, the trunk port can transmit multiple VLANs at the same time Packets are generally used for links between switches.

2, Hybrid port. The Hybrid port can transmit

October 9, 2021By Simo Hybrid Access, Hybrid, PVID, relationship, Tag, Trunk, UntagLeave a Comment

Android Studio 3.1 always gets an error on the ability to resolve dependencies

After updating android studio to 3.1, if I add a new dependency, it will suddenly error:

dependencies {
compile’com.github.florent37:android-slidr:1.0.4′
} It gives this error:

< /p>

October 7, 2021By Simo Android 3.1, About, Also, Android, Depending, error, relationship, Solving, Studio, UnableLeave a Comment

MySQL table relationship

One, field operation #Create a tf1 table with id as the primary key and increment, x and y are both int type create table tf1( id int primary key auto_increment, x int, y int); ”’Modify”’ 1

October 4, 2021By Simo Mysql mysql, relationship, tableLeave a Comment

Performance – Phoenix channel and its relationship with sockets

I need some suggestions about elixir/phoenix channels. I have an application related to venue changes, in order to reduce the amount of data sent to each client, I only want each client Subscribe t

October 2, 2021By Simo Performance and its socket, channel, performance, Phoenix, relationshipLeave a Comment

How to retrieve multiple depth relationships NEO4J DATABASE CYPHER?

Suppose there is a simple chart as follows,

(City {name:gotham})<-[:LOCATED] -(Tower {name:abc})<-[:LOCATED]-(Bank:{name:CityBank}) (City {name:gotham})<-[:LOCATED]-(Cinema {name:MainHall })

October 2, 2021By Simo Search Engines cypher, data, Depth, how to retrieve, multiple, NEO, Neo4J, nodes, relationshipLeave a Comment

What is the relationship between different WebSocket protocols?

I recently learned that there are many WebSocket protocol specifications (one of them is called hixie-, the other is hybi-, and finally RFC 6455).

Can someone please some highlights? What is

October 1, 2021By Simo Micro Services Agreement, between, Different, relationship, version, WebSocket, whatLeave a Comment

CMAKE Custom Definition Dependent Diagram

Should CMake’s –graphviz option depend on a custom target?

Sample CMakeLists.txt file:

cmake_minimum_required(VERSION 2.8)
add_executable(target0 test.cpp)
add_dependencies(target0 tar

September 30, 2021By Simo Design Pattern CMake, customization, dependency, goal, Map, relationshipLeave a Comment

UML diagram of dependencies between systems

Which UML diagram is most suitable to show the dependency between our IT system and other external IT systems?

For example, I want to display on the chart:

>System A obtains data from S

September 30, 2021By Simo Design Pattern between, dependency, diagram, relationship, system, UMLLeave a Comment

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