define field properties

distribution of magnetic lines of permanent magnets http://www.bjlink.com/article.php?id=75Beijing Ying Ke Hongye Technology Co., Ltd./2011-07-21 [big] [medium] [small] Date: 2011-1-3 excerpt from: read: 381 1.

1. Display the list of databasesshow databases; # View all current databasesShow Databases \g #以行的方式显示2. On the command line, execute the SQL statementMysql-e ' show databases '-uroot-p123456mysqlshow-uroot-p123456 # not used, just remember the one

Field name and property name are the sameAnnotation: Default is @basicNote: If no annotations are added to the member properties, the default is to precede the @BasicDo not write column in XMLField name and property name are differentAnnotation:

field type (types) Autofield It is a self-growing Integerfield field based on ID. Typically, you do not have to use the field directly. If you don't specify a primary key on another field, Django will automatically add the primary key

I. Object-oriented concept1. What is Object-oriented (OOP)? To put it simply, "object-oriented" is a programming paradigm, and programming paradigms are programmed according to different programming features. As the saying goes, all roads lead to

Field:field is just a field, and it's simple to define one:XML code span style="font-size:20px;" >field name="tile" type="string" indexed="true" stored=" True "/>span> Field properties are similar to FieldType, whose

Chapter 7 CIDRDelphi 4 uses tfield to manipulate fields in the dataset. However, the specific fields are actually derived classes of tfield. Therefore, tfield is rarely directly used in applications. When you open a dataset, Delphi 4 automatically

Objective C # Principle 22: Define external interfaces with events Item 22: Define outgoing interfaces with events You can use events to define some external interfaces for your type. The event is based on the delegate, because the delegate can

First, the dependency property basic introductionThis article begins by learning about another important content dependency property of WPF.As you all know, WPF brings a lot of new features, one of which is the introduction of a new property

Questions about the assignment of fields, properties, and constructors in C #First, several questions are raised:1, how to achieve their own injection framework?2. What is the difference between a field and an automatic attribute?3. What is the