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
Tag: relationship
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
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
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:
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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
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
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 })
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
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
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