powerpivot data model

5.Model metadata Availability mechanismThe Modelmetadata object that represents the model metadata is ultimately provided by a Modelmetadataprovider object, and the supply mechanism of the model metadata is modelmetadataprovider-centric. Let's start by looking at the Modelmetadata constructor: Public Modelmetadata (Modelmetadataprovider provider, Type Containerty

First, prefaceThe Agileeas.net SOA middleware platform is based on agile parallel development ideas and Microsoft. NET component (component) development technology and a rapid development application platform. To help small and medium-sized software enterprises to establish a rapid market change for the development team to achieve savings in development costs, shorten development time, quickly adapt to market changes.The Agileeas.net SOA Middleware platform provides best practices for agile rapi

At present, the amount of data within the enterprise is rapidly expanding, and the data format exchanged between client and server is also varied. Due to the rapid development of Web2.0 and RIA, processing data on the client is becoming a trend, but the general Ajax client program based on XMLHttpRequest must be written by the Web developers themselves to handle

Undertake one or two chaptersindex.jsppageencoding= "UTF-8"%>Model Modification Operations1, raw data is 1 Tom 123456 2, the password can not be modified3, the form is echoed, and the simulation operation directly fills in the corresponding property values in the form-->namenameTest.java PackageCom.hdxy.domian;Importjava.util.Arrays;Importjava.util.Date;ImportJava.util.Map;ImportOrg.springframework.stereoty

One: Simple model bindingIn ASP., the model binding is used to parse the data transmitted by the client, and it is simpler to encapsulate the means of obtaining the data, so that the user can get the data more conveniently. Let's take a simple example. Public actionresult I

This article mainly introduces the use of the yii Framework form model and the example of submitting form data in the form of arrays. For more information, see the description in the Yii document, the general process of Yii processing forms is: Create a model class corresponding to the form and set field verification rulesCreate an action for form submission to

1. Overview In the use of DLP as a light source for surface exposure 3D Printing system, we often encounter the projector or light machine projection of light, deformation, fuzzy situation. These situations can lead to the following problems: Print model surface has a pixel texture, not enough smooth model local exposure distribution uneven, thick and thin, in the printing of very fine parts especially whe

(2) assign an initial value to the model data using the controller. Previously, the blog easily realized automatic binding of model data and page display. Now we use the Controller to assign an initial value to the model. If jquery is used to assign an initial value to a var

attributes are required Required .Code first ensures that the validation rules that you specify on the model class are executed before the application modifies the database. For example, the following code throws an exception when the method is called, SaveChanges because several required Movie property values are missing, and the price is 0 (this is outside the valid range).Moviedbcontext db = new Moviedbcontext (); Movie movie = new Movie (), movie

Label:Original address Pick up an articleModel tree structure of parent Reference Model tree structureThis data model describes a tree structure that stores references to parent nodes in child nodes.ModeThe parent reference mode stores each tree node in the document, and in addition to the tree node, the document stores the ID of the parent node. Consider the hie

Note: The article is translated from http://wgld.org/, the original author Sambonja 広 (doxas), the article assumes that I have additional instructions, I will add [Lufy:]. Other than that. My own WEBGL research is not deep enough, some professional words. Suppose the translation is wrong. You are welcome to correct me. the meaning of the vertex attributeIn the last article, we introduced the generation of shaders, the compilation, the generation of program objects, and the connection of shaders.

The following small series for you to share a MVC5 based on the model layer development data annotations, with a very good reference value, I hope to be helpful to everyone. Let's take a look at it with a little knitting. In the development of the model layer in ASP. MVC5, the data annotations used have three function

The relational model was introduced into the database field by E.f.codd in 1970. After this, the database experts also defined the basic concept of relational database, introduced the theory of normalization, put forward the data manipulation language such as relational algebra and relational calculus, and laid a solid foundation for the development of database. Because the relational database is based on t

ObjectiveWhen it comes to the data Model (ViewModel), you have to mention the MVVM pattern, and people exposed to WPF and Silverlight should be familiar with the pattern.Unfamiliar is not much of a relationship, because the use of Knockoutjs is relatively simple.MVVM and the View ModelsModel-view-view model (MVVM) is a design pattern that creates a user interface

Tags: mongodbMongoDB Data Model and Index learning Summary 1. MongoDB Data Model: MongoDB Data storage structure:MongoDB uses Bson (binary JSON, binary encoded) data format to store and exchange

to exclude form validation For example, in the controller to adjust a Model method, then to the method of one of the parameters, such as $city_id the fact that this $city_id can be int or can be a array So this time the post came to $city_id everyone is generally where check. If it's a model check, it feels like it's a multi-modal, not good But if the controller checks, but I think the

Yii Framework form model submits form data in array form According to the description in the Yii document, the general process of Yii in form processing is: create the model class corresponding to the form, set the field verification rule to create the corresponding action for form submission, process submitted content and create a form in the view. in a