define statistician

Define reference relationships : In this tutorial, each dimension of your cube has been directly linked to a table in the fact data table of the measurement value group based on the relationship between the primary key and the foreign key. In Lesson 3rd and lesson 4th, you will not directly link to a table (called a snowflake table) in a fact data table) the dimension attribute in is included in the dimension that is directly linked to the fact da

We all know that define is defined as constants, what if constants are defined in the class? Certainly cannot use define, but uses the const, the following example: The code is as follows Copy Code define (' php ', ' I love php ');////Outside the class usually defines constants if (defined (' php ')) { echo ' php is defined! ' ; T

The use of define is only a pure substitution function, and the substitution of the macro definition is the replacement that the preprocessor handles. One: Simple macro-definition usage Formatting: Replacing content with #define Identifiers The replacement can be numbers, characters, strings, special characters, and spaces, and what will be replaced with what is behind it. For example: #

Original article address: Http://blog.csdn.net/kindazrael/article/details/8108868 In C, Preprocessor is a powerful tool that makes your code easier to read and modify. With preprocessing code, you can redefine a part of the code to make your code more suitable for your style. Preprocessor is processed in advance before the code is compiled. The pre-processing code starts with a pound sign.1. About #define #defineDeclarations are mainly used to assign

#define宏定义在C系开发中可以说占有举足轻重的作用. The underlying framework does not have to say, in order to compile optimization and convenience, as well as cross-platform capabilities, macros are heavily used, it can be said that the bottom of development left define will be unable to move. When developing at a higher level, we put more emphasis on business logic and seem to have little use and reliance on macros.But the ben

Original address: http://blog.csdn.net/xiaogou56a/article/details/21340213Define used to define modulesRequire used to load modules1Because defining a module may depend on other modules, and of course the simplest case is to not rely on other modules, then you can write:[JavaScript]View Plaincopy Inside file My/shirt.js: Define ({ Color: "Black", Size: "Unisize" }); Official ex

We often see a lot of great apps with some very beautiful controls, and the user experience is great. For example, ToggleButton is a very good example, the iOS system below the exquisite ToggleButton now can be implemented under Android, but also can define its own color text background, make a variety of beautiful switch button out.Here is a more often used technology in Android-Define your own controls.Le

Parse the differences between static, const, and define in php. Define: macros can be used not only to replace constant values, but also to replace expressions or even code segments. (Macros have powerful functions but are prone to errors, so their advantages and disadvantages are quite large. Define section:Macros can be used not only to replace constant values,

1. Simple define Definition # Deprecision MAX 1000 A simple max is defined. It represents 1000. If you writeFor (I = 0; I {................}The compiler replaces MAX with 1000 before processing this code. 2. define's "Function Definition" Define can accept some parameters as the function does, as follows: # Define max (x, y) (x)> (y )? (X) :( y ); This definition

This article mainly introduces how to use hidef extension in PHP to replace define to improve the performance. This article focuses on testing the performance of hidef and introduces the installation method and use example. For more information, see This article mainly introduces how to use hidef extension in PHP to replace define to improve the performance. This article focuses on testing the performance o

What is a const? What is a # define? What's the use of them? What difference do they have? What should I do with it? Summarize 1. What is a const?Const is a keyword (modifier) in C/s + +, which is typically used to define a constant that, since it is called a constant, cannot modify its value later.Const definition Constants2. What is a #

struct, so it is invented: typedef struct TAGPOINT {int x; int y;} Point;Point P1; This is less than the original way to write a struct, more convenient, especially in the large use of timePerhaps, in C + +, this use of TypeDef is not very large, but understanding of it, to master the old code is still helpful, after all, we may encounter in the project earlier legacy code.Use three:Use typedef to define platform-independent types. For example, to

Define dimension granularity in a measurement value group : Users may need to define fact data table dimensions of different granularities or specificity for different purposes. For example, sales data for distributors or Internet sales can be recorded once a day, while sales quota information may be recorded on a monthly or quarterly basis. In these cases, you may need time dimensions to have different gr

Use the typedef statement to define the array type 1. Definition Format of one-dimensional array type Typedef For example: (1) typedef int vector [10]; (2) typedef char strings [80]; (3) typedef short int array [N]; The first statement defines an array-type vector with an element type of int and 10 elements. If typedef is not used, the array definition is changed, it only defines an array vector whose element type is int and contains 10 elements.

# Ifndef # Ifndef in the header, which is critical. For example, you have two C files, both of which include the same header file. During compilation, these two C files need to be compiled into a runable file together, so the problem arises and a large number of declarations conflict. Put the header file content in # ifndef and # endif. Whether or not your header file will be referenced by multiple files, you must add this. The general format is as follows: # Ifndef #

1. const is used for defining class member variables. Once defined, the value cannot be changed. Define defines global constants that can be accessed anywhere. 2. Define cannot be defined in the class, But const can.3. Const cannot define constants in condition statements. If (...){Const Foo = 'bar'; // invalid}ButIf (...){

In the previous article, there is a pre-compiled directive that says # include, and a common precompiled directive: #define. Its surface meaning is defined, which is usually said to "define constants", but its real function is to replace;Such as:#define SUCCESS 1The whole sentence is to define a macro substitution wher

1. Const is used for class member variable definition once defined and cannot change its value. Define defines global constants that can be accessed anywhere. 2, define can not be defined in the class and Const. 3. Const cannot define constants in conditional statements Copy Code code as follows: if (...) { Const FOO = ' BAR '; Invalid } But

Css|frontpage Description: The current version of FrontPage is Frontpagexp (FrontPage 2002), this article is Frontpage2000, but the method described in this article is basically applicable in Frontpagexp! In addition, this is only discussed in Frontpage2000 how to define CSS, as for the knowledge of CSS please refer to the relevant information. When many people find it convenient to define CSS in DW4, they

Asynchronous modules define AMD and asynchronous modules amd It is called Asynchronous Module Definition, and is defined by Asynchronous components (or modules. AMD is a mechanism in which components and their dependencies can be asynchronously loaded.Define Method define(id?, dependencies?, factory); Component ID The component ID is the unique identifier of a component. In a script file that is one-to-one