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How can I accurately determine whether a request is a request sent by a search engine crawler (SPIDER ?, Search engine Crawler

How can I accurately determine whether a request is a request sent by a search engine crawler (SPIDER ?, Search engine Crawler Websites are often visited by various crawlers. Some are search engine crawlers, and some are not. Generally, these crawlers have UserAgent, and we know that UserAgent can be disguised, userAgent is essentially an option setting in the Ht

Simple php template engine technology implementation, php template engine

Simple php template engine technology implementation, php template engine After using smarty and tp, I want to know how the template technology is implemented. So I wrote a simple template class, it is generally to read the template file-> Replace the content of the template file-> Save or static Main analysis of tpl. class. php Assign Method implementation /*** Template assignment operation ** @ param mixe

Explore the secrets of the recommended engine, part 2nd: in-depth recommendation engine-related algorithms-collaborative filtering

Transferred from: http://www.ibm.com/developerworks/cn/web/1103_zhaoct_recommstudy2/index.htmlThe first article in this series provides an overview of the recommendation engine, and the following articles provide an in-depth introduction to the recommended Engine's algorithms and help readers implement them efficiently. In Today's recommended technology and algorithms, the most widely recognized and adopted is based on collaborative filtering recommen

Game Development Learning Route--game engine principle _ game engine

For people like learning the fundamentals of game engines, they need to set their own clear long-term goals:1 First, there may be no concept of the game engine in the beginning, it is recommended to use one or two game engines first (I recommend C + + programmers to learn Unreal 4 game engine, now free open source, very worth learning.) Those not open source game engine

Java 3D game engine--jme (Java Monkey engine)

Transferred from: http://bbs.gameres.com/forum.php?mod=viewthreadtid=180732JME (Java Monkey engine), a great Java 3D game engineJava is not a mainstream platform for 3D graphics applications for performance reasons, but this has changed greatly with the advent of new technologies. From the beginning of the JIT, Static compilers, to the modern hotspot technology, so that the running efficiency of Java programs is more and more high, is now close to C +

A failure summary, HGE engine how to use? _ Engine

About three months ago, I was trying to use a few 2D game engines. The first is SDL, a cross-platform 2D game engine recommended to me by my colleagues. This engine is highly rated, in general because it is the bottom of the system, the functionality is very basic, and provides a platform-independent interface. So developers on this can be unrestrained development. But I'm not so keen on the bottom. So I g

MySQL Modify table engine: PHP bulk conversion MySQL table engine

Some times you may need to bulk convert the MySQL table engine, as follows for PHP operations /** * Bulk conversion MySQL table engine */ Error_reporting (E_all); Database Connection Configuration $host = ' localhost '; $username = ' root '; $passwd = '; $database = ' Test '; To convert the library name configuration, the multi-Library transformation adds configuration elements $configs = Array ($database);

How to modify the engine engine under Mysql _mysql

Modify My.ini, add under [mysqld] default-storage-engine=INNODB Where the red font part is the name of the engine to be specified. To modify an engine that has completed a table with SQL statements: ALTER TABLE TableName TYPE=INNODB My My.ini file is posted below for your reference (http://www.my400800.cn): [mysqld] Basedir=c:\program files\vertrigo

The difference between Engine=innodb and Engine=myisam in MySQL

When we first built the database with MySQL administrator, the table defaults to the InnoDB type, and I don't care. Later use Access2mysql Guide data when found can only lead to myisam type of table, do not know what the difference between the two types, went to check. It turns out that MyISAM types do not support advanced processing such as transaction processing, and InnoDB type support. The MyISAM type of table emphasizes performance, which is performed more quickly than the InnoDB type, but

Search engine spider program-search engine technology

Robots.txt and Robots META tagsAs we know, search engines all have their own "search ROBOTS" and use these ROBOTS to link on the web page over the network (generally http and src links) constantly crawl data to build your own database.For website administrators and content providers, there are sometimes some website content that they do not want to be crawled by ROBOTS. To solve this problem, The ROBOTS development community provides two methods: robots.txt and The Robots META tag.I. r

Search Engine Friendly URL design-Search Engine technology

In addition, as the content of the Internet with an alarming rate of growth has become more and more prominent the importance of search engines, if the site wants to be better indexed by search engines, site design In addition to user-friendly (users friendly), search engine friendly (searching Engine The design of friendly) is also very important. The more pages that go into search engines, the more likely

Search engine spider Program 1-search engine technology

Robots.txt and Robots META tagsPing Wensheng 2003-10-29As we know, search engines all have their own "search ROBOTS" and use these ROBOTS to link on the web page over the network (generally http and src links) constantly crawl data to build your own database.For website administrators and content providers, there are sometimes some website content that they do not want to be crawled by ROBOTS. To solve this problem, The ROBOTS development community provides two methods: robots.txt and

Search engine-search engine technology

Abstract: The competition for search engines in China has reached a fierce level. In addition to Baidu, Google, Sogou, and Yahoo have not yet formed a stable position. In the past 2006, the search engine industry was sometimes the most chaotic year. Yahoo is struggling to cope with the troubles and personnel shocks caused by rogue software; Baidu temporarily ignores others due to revenue pressure; Google strives to develop channels with Chinese charac

How to get out of the troubles of search engine marketing-search engine technology

Search engines are the preferred way for consumers and researchers to find information online today. Especially when the search engine can generate benefits online, we are more aware of its importance, now, if your company or product is planning to promote, let's take a look at these options. Simply put, search engine marketing can be summed up to two kinds, that is, Pay-per-click (PPC) and search

World search engine rankings using PHP to query search engine ranking Location code

Copy the Code code as follows: /*Search Google "Shenzhen photography studio", Lan Horizon LANSJ ranking position; 2009-10-11Lost63.com OriginalSearch in the first 30 pages*/$page = 30; Number of pages$domain = "lansj.com"; Domain name$domain = "lost63.com";for ($n =0; $n $url = ' http://www.google.cn/search?hl=zh-CNnewwindow=1q=%E6%B7%B1%E5%9C%B3%E6%91%84%E5%BD%B1%E5%B7%A5 %e4%bd%9c%e5%ae%a4start= '. $n. ' 0sa=n ';$url = ' http://www.google.cn/search?hl=zh-CNlr=newwindow=1q=%E8%BF%B7%E5%A4%

Search engine history-search engine technology

In the early days of Internet development, the site is relatively small, information lookup is easier. However, with the explosive development of the Internet, ordinary network users want to find the necessary information is like a needle in a haystack, then to meet the needs of the public information retrieval of professional search site has emerged. The ancestor of the search engine in the modern sense was the Archie invented by Alan Emtage, a unive

Login search engine must know ten secrets-search engine technology

In most cases, logging on to a search engine is not the only way to advertise and promote your site. To achieve real success, you need to use a lot of other techniques and methods. However, when you properly log on to the search engine, you can also bring a lot of traffic to your site, and you hardly need to spend anything. Of course, proper login will also take up a certain amount of time and effort, but t

The difference between the MYSQL MyISAM engine and the InnoDB primer engine

MyISAM and InnoDB are the two main engines of the MySQL database, MyISAM is the default engine prior to the MYSQL5.5 version, and InnoDB is the MySQL 5.5 version of the default engine.The differences between the two engines are as follows: Transaction processing InnoDB supports transaction processing features, A transaction has the following 4 properties, often referred to simply as the acid property of a transaction. Atomicity (atomic

The relational engine and the storage engine are the two major components of SQL Server.

Tags: address tor data buffered using cached browser protocol-a select query from the client to the SQL Server, the first place to arrive is the SQL Server network interface, which is a network connection between the client and the Server protocol layer (SNI), contains a series of connection to the database engine and SQL Server Native Client (SNAC) APIs. SNI replaces the existing network libraries and MDAC (Microsoft Data Access components) in SQL Se

View search engine ASP service from chinaren website-search engine technology

The search engine is the second largest Internet application after email, according to China Internet Information Center's sixth report on China's Internet development status. 55.91 of the Internet users in our country use search engines to provide search services. An excellent search engine is essential to attract users and increase the stickiness of the site. But search

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