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BI Development process and ETL introduction BI Development process1. Building Dimension-Fact model2. Build data warehouses (dimensions, facts) based on dimension-fact model3. Data extraction (ETL)4. Analysis model topics for building sales

Copyright notice: When reprinted, please indicate the original source and author information of the article by hyperlink form and this statementhttp://blog.csdn.net/wenshuangzhu/article/details/46226179 The "Node connectivity check failed" is

Form Builder Group of objects in development (objectgroups) Text found in Form builder on-line help(Copyright notice, I original or translation of the article if necessary reprint, please contact me, the offender must investigate) Terminology Object

1, Upload files /** upload file $file int|string * Create a star model in models*/ Public functionUploadFile ($file) { if($_files [$file]) { if($_files [$file] [ ' ERROR '] > 0) return0; $path = ' upload/'. Date "Ym") . '/' . Date ' d ') .

2009 China's Internet has achieved global attention. Not only in the user size, online information resources and other aspects of the world forefront, but also in the Internet industry scale, attracting foreign investment and so on are shining; With

Laravel, as a popular PHP framework in China and abroad, has its own features and elegant style. a . Request Cycle 　　Laravel adopts a single entry mode, and all the request portals applied are public/index.php files.Register class file Auto Loader:

The first reason: Install LNMP a key installation package when PHP did not install successfully and 502 bad Gateway, starting from 0.9 as long as the installation of success or failure will be prompted. Failure to install the general reason is that

The full name of the MIME is the "Multipurpose Internet Mail Extensions" Multipurpose Internet Messaging Extension Service, a Multipurpose Internet Mail Extension protocol that was first applied to the e-mail system in 1992, but later applied to

This project is also a first glimpse into the Python crawler project, is also my graduation design, at that time, found that most people choose is the site class, it is common but, are some simple additions and deletions, business class to feel a

Many people may be learning the Laravel framework, the Laravel Database Migration (hereinafter referred to as migration) There is doubt: what is migration. Why to use migration. Migration in the end convenient where. Well, with these questions, we

Since joining Ali began to contact these words, the first to listen to the boss to start what strategy will be, our mission and vision is what. And so on, but there is no concept of the exact meaning of these words, Ms These things far away from me,

The meaning of PGP and MD5 when downloading These two files are just checksums, used to ensure that the Apache files you downloaded are correct and usually not available, If you do not rest assured that you can use the relevant tools to calculate

After two days of web development and discovering object management through spring, testing became complicated. Because all the beans need to be loaded in the Applicationcontext.xml, and then through the @resource to obtain. It is inefficient and

Factory Method Mode English name Factory Method Pattern definition Defines an interface for creating objects, but subclasses decide which class to instantiate, and the factory method pattern allows the class to defer instantiation to

1. Data Center Overview Data center Cabling Engineering construction should be based on the long-term strategy of IT development of data center, embody "future-oriented" design idea, construct a modern data center cabling system with reasonable

Error when updating a table with the merge statement: sql> Merge into Outsite_userinfo u2 using Tmp_update_newlib UT3 on (u.user_id = UT. NEWCOURSE_ID)4 when matched then5 update Set u.user_id = UT. newlib_id;On (u.user_id = UT. NEWCOURSE_ID)*ERROR

The overall overview of the implementation process of the genetic algorithm is as follows: 1, choose the coding strategy, convert the parameters into strings; 2, according to the population size n, randomly produces n string composition of the group;

xsd mixed content xsd With an indicator, we can control how elements are used in a document. Indicator There are seven kinds of indicators: Order Indicator: all Choice Sequence occurrence indicator : maxOccurs minOccurs Group indicator: Group Nam

1) Request (client-to-server [request])GET (The requested way)/books/java.html (requested target Resource) http/1.1 (the protocol and version number that the request takes)Accept: */* (the type of resource the client can

JBoss Settings 1. Hide access to Directory Jboss_home/server/default/deploy/jbossweb-tomcat55.sar/conf/web.xml listings false 2. Set the Jmx-console console password Because that is, using a firewall to shield the 8080 port, the malicious user can