what is the difference between standard object and custom object in salesforce?
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Standard objects are included with Salesforce by default; custom objects are objects that you create in your organization. Standard objects are objects that are included with Salesforce. ... Custom objects are objects that you create to store information that is specific to your company or organization.
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Object Creation And Difference Between Object And Reference Variable In C# Object is an instance of a class. Class is a template or blueprint from which objects are created. So object is the instance(result) of a class.
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Schema Builder provides details like the field values, required fields, and how objects are related by displaying lookup and master-detail relationships. You can view the fields and relationships for both standard and custom objects.
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IMO the main difference is that Textbox is not strongly typed. TextboxFor take a lambda as a parameter that tell the helper the with element of the model to use in a typed view. You can do the same things with both, but you should use typed views and TextboxFor when possible.
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The difference is in knowing which one is real, and which one is simply a view of the real thing. In other words, if you delete the real entity (the thing) in the database, the entity bean disintegrates.
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A Standard Report Type will show all the Opportunities the Running User can see, and that meet the criteria. A Custom Report Type will only show Opportunities owned by a User with the same Role as or a Role below them in the Hierarchy.
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When you invoke new to create an object, Java invokes a special method called a constructor to initialize the instance variables. You provide one or more constructors as part of the class definition. The methods that operate on a type are defined in the class definition for that type.
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An F() object represents the value of a model field or annotated column. ... When Django encounters an instance of F() , it overrides the standard Python operators to create an encapsulated SQL expression; in this case, one which instructs the database to increment the database field represented by reporter.
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Primitives are passed by value, i.e. a copy of the primitive itself is passed. Whereas for objects, the copy of the reference is passed, not the object itself. Primitives are independent data types, i.e. there does not exist a hierarchy/super class for them. Whereas every Object is descendent of class "Object".
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The object type can be passed as a method argument and method also can return object type. Var type cannot be passed as a method argument and method cannot return object type. Var type work in the scope where it defined. Dynamic type can be passed as a method argument and method also can return dynamic type.
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There are no major differences unless you are a power user looking fur an advanced feature or you need compatibility with SharePoint or Exchange or a 3rd party application. The biggest change is they like to refresh the User Interface with every release but functionally it's practically the same.
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The biggest difference is that oList. Where(e => e.Name == "John") is type of IEnumerable<Employee>, but oList. Find(e => e.Name == "John") is a type of Employee.
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"If an entity instance is to be passed by value as a detached object (e.g., through a remote interface), the entity class must implement the Serializable interface." when we make any POJO class serialize then whenever we try convert it to make any kind of database understand it changes itself to stream of bits.
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Salesforce - Master Detail Relationship. Unlike the relationships in relational database, the relationships in Salesforce are not through Primary and Foreign Keys. The relationships are maintained by using the Relationship Fields. It is a custom field which links one object record to another.
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2 Answers. Most of the code I have seen in Apex has a SOQL in the constructor. Well having a SOQL in the constructor is not bad practice unless its very bad and heavy SOQL which increases the page load time. ... In that case the constructor SOQL is bit overkill.
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Object is a class but it already has(is) an instance, so you can not call new ObjectName . On the other hand, Class is just type and it can be an instance by calling new ClassName() . In scala, there is no static concept. So scala creates a singleton object to provide entry point for your program execution.
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difference between object and reference. ... The objects are created in the heap area and, the reference obj just points out to the object of the Student class in the heap, i.e. it just holds the memory address of the object (in the heap).