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When mapping many-to-many relationships in JPA, configuration for the table used for the joining foreign-keys can be provided using the @JoinTable annotation: @Entity public class EntityA { @Id @Column(name="id") private long id; [...] @ManyToMany @JoinTable(name=...

insert into schema.table (field1, field2) select 'Static Value', foreignField from schema.otherTable;

Our UserProfile class Create a UserProfile model class with the relationship of OneToOne to the default User model: from django.db import models from django.contrib.auth.models import User from django.db.models.signals import post_save class UserProfile(models.Model): user = models.OneTo...

Right click on your project folder/name and create new area and name it. In mvc internet/empty/basic application a folder with the name of the area will be created,which will contain three different folders named controller , model and views and a class file called "areanameAreaRegistration.c...

Create a new controller foreg ControllerName: "Home", ActionresultName :"Index" open AreaRegistraion.cs and add the controller name and action name to be rerouted to context.MapRoute( "nameofarea_default", "nameofarea/{controller}/...

using System.Diagnostics.Contracts; public int DivideNumbers(int numerator, int denominator) { Contract.Requires(denominator != 0); return numerator / denominator; }

Hibernate is an implementation of the JPA standard. As such, everything said there is also true for Hibernate. Hibernate has some extensions to JPA. Also, the way to set up a JPA provider is provider-specific. This documentation section should only contain what is specific to Hibernate.

Using Android Studio 2.2 and higher Native Development Kit (NDK) you can use to compile C and C++ code. You can use NDK by manually downloading NDK and build it or through CMake . Here I will give process flow for manually install NDK and an example code, Based on your System OS you can download ...

Information about the item workflow is stored in the "Workflow" field. var workflow = Factory.GetDatabase("master").WorkflowProvider.GetWorkflow(workflowId); workflow.Start(item); var workflowId = item.Fields["__Default workflow"].Value; var workflow = Factory.Get...

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import play.libs.Json; public JsonNode createJson() { // {"id": 33, "values": [3, 4, 5]} ObjectNode rootNode = Json.newObject(); ArrayNode listNode = Json.newArray(); long values[] = {3, 4, 5}; for (long val: values) { listNode.add(val); ...

In the following examples, json contains a JSON object with the following data: [ { "name": "John Doe", "work": { "company": { "name": "ASDF INC", "country": "USA" }, ...

By default, Jackson (the library Play JSON uses) will try to map every public field to a json field with the same name. If the object has getters/setters, it will infer the name from them. So, if you have a Book class with a private field to store the ISBN and have get/set methods named getISBN/setI...

Use the tar (tape archive) command to compress your files and folders. It is similar to creating .ZIP files in Windows environment. Syntax: tar -zcvf <output tar file> <source file> Example: tar -zcvf outputfile.tar.gz source file Here’s what those switches actually mean: -c: Cr...

Inbound filter is applied when item is added to the search index and allows to specify whether item is included to the index or not. Examples when inbound filter can be used - do not include standard values and previous versions of the item in the index. Inbound filters are set in configuration: ...

Outbound filter can be used to filter the search results. One of the examples of outbound filter usage is removing items which user doesn't have access to from search results. Outbound filters are set in the configuration: <indexing.filterIndex.outbound> <processor type="Sitecore....

In command mode(Esc) enter :gg=G to use Vim's built-in indention engine. Command PartDescriptionggstart of file=indent (when equalprg is empty)Gend of file You can set equalprg in your .vimrc to use a more sophisticated auto-formatting tool. For example, to use clang-format for C/C++ put the foll...

Arrays in MATLAB are held as continuous blocks in memory, allocated and released automatically by MATLAB. MATLAB hides memory management operations such as resizing of an array behind easy to use syntax: a = 1:4 a = 1 2 3 4 a(5) = 10 % or alternatively a = [a, 10] a = ...

There are many fine ways to get this done, which others have already suggested. Following along the "get Excel data via SQL track", here are some pointers. Excel has the "Data Connection Wizard" which allows you to import or link from another data source or even within the very ...

Sometimes it is necessary to assert when an exception is thrown. Different unit testing frameworks have different conventions for asserting that an exception was thrown, (like NUnit's Assert.Throws method). This example does not use any framework specific methods, just built in exception handling. ...