olap engine

According to the perfect official statement, this time the Angelica engine was abandoned and the new-generation cube engine 3D engine was independently developed. The cube engine is specially tailored for 2.5D games to achieve a wide range of layered effects. The intelligent surface graphics system can generate infin

Efficient collaborative filtering recommendations based on Apache MahoutApache Mahout is an open-source project under the Apache Software Foundation (ASF) that provides a number of extensible machine learning domain Classic algorithms designed to help developers create smart applications more quickly and easily, and in Mahout Also added support for Apache Hadoop to enable these algorithms to run more efficiently in the cloud environment. For the installation and configuration of Apache Mahout, r

1, Elasticsearch (search engine) queryElasticsearch is a very powerful search engine that uses it to quickly query to the required data.Enquiry Category:Basic query: Query with Elasticsearch built-in query criteriaCombine queries: Combine multiple query criteria together for compound queriesFiltering: Querying at the same time, filtering data with the filter condition without affecting the score2, Elasticse

InnoDB Storage engine notes,Chapter 2 Mysql architecture and storage engine 1st define a set of databases and instance databases: databases, physical operating system files, or other forms of file types. When using the NDB storage engine, database files may be stored in the memory rather than on the disk. Instance: instance. the Mysql database instance consists o

MySQL changes the table storage engine, MySQL storage engineMySQL provides multiple database storage engines that store and extract data from MySQL databases. Different storage engines have different features. Sometimes you may need to convert an existing table storage engine into another storage engine. There are many ways to complete this conversion, each metho

Search Engine Optimization Research method: Technical Research method Do search engine optimization, if not understand the search engine technology is not a good seoer. Understand the search engine technology is not only to understand the working principle of search engines, search

Sina launched its own cloud computing service platform, which is called App Engine like Google. According to NIST's definition of cloud computing, Google App Engine is a PAAs platform service.What services does it provide? What are the differences between Sina App Engine launched by Sina and Google? Background Cloud computing services, led by successful products

The following articles mainly introduce the performance tests of MySQL MyISAM engine and InnoDB engine. The MyISAM engine and InnoDB engine are often used in actual operations, the following article describes the performance tests of MySQL MyISAM engine and InnoDB

March 2005 Discussion Velocity:a template engine or A rule engine or Both? Most of the developers must is familiar with Velocity as a great open source template engine and I don ' t do I need to s Ay much about its uses and features as a template engine. This paper compiles it features as a rule

In general, MySQL will provide a variety of storage engines by default, which you can view by:See what storage engine your MySQL has now provided:Mysql> show engines;Look at your MySQL current default storage engine:Mysql> Show variables like '%storage_engine% ';You want to see what engine the table is using (in the results, the storage engine that the table is c

key, and if no primary key is explicitly specified when the table is defined, the InnoDB storage engine generates a 6-byte ROWID for each row as the primary key. The InnoDB storage engine is the most commonly used engine for MySQL databases, and successful applications from companies such as Facebook, Google, and Yahoo! have proven that the InnoDB storage

), pre-read (read ahead), and more. For storage of data in tables, the InnoDB storage engine uses aggregation (clustered), each table is stored in the order of the primary key, and if no primary key is explicitly specified when the table is defined, the InnoDB storage engine generates one for each row6the rowid of the byte and takes this as the primary key. The InnoDB storage

rules, draw a conclusion. This conclusion may be a static result or a set of actions that need to be performed. The process of applying this rule is called reasoning. If the process of reasoning is handled by the program, then the program is called the Inference engine/inference machine. The inference engine adopts different control strategies depending on the knowledge representation, and common types inc

Mobile Game Development Attack and Defense-1. Game Engine selection and mobile game development Attack and Defense Engine Now mobile games fire of a mess, engine is also endless in addition to leading the 3D market Unity3D, Duba 2D market Cocos2D-X, as well as illusory, Sphinx and so on, and even Sohu has developed a domestic Genesis-3D

This article first quotes a few words: "To understand the user's intention, the need to return users." ” "Portals are thinking about how to save money, not how to spend money to buy technology." ” "Search engine is not everyone can do the field, enter the threshold is relatively high." ” "It's not enough to be good, the best way is to make it to the extreme." "(Google Ten Truths) "Do search engines need to focus on" "for a fourth-ranked business, port

Could you tell me whether the discuz template engine is easy to use or the smarty template engine is easy to use? now I want to create a private equity website for a customer. as per the customer's requirements, I have to write a program by myself. If you want to separate templates and programs, I can see that only smarty and disucz are used more often on the Internet. I have the following questions: 1. W

[1] DefinitionThe browser kernel is divided into two parts rendering engine and JS engine, because the JS engine becomes more and more independent, the kernel tends to refer to only the rendering engineThe rendering engine is a tool that parses an HTML document and displays it on a page[2] Common engineRendering

The rapid growth of information, so that search engines become the preferred tool for people to find information, Google, Baidu, China search and other large search engines have been the topic of discussion. With the increasing value of the search market, more and more companies to develop their own search engine, Alibaba's business opportunities search, 8848 of shopping search and so on, naturally, search engine