Unix Link File

This article mainly describes how to use PHP file functions to obtain file information. First of all let's take a look at the basic introduction to the PHP file functions Differences between the dirname () and basename () functions in the dirname () file dirname () Get the directory portion of the file directory path, and basename () Get the basic information of the file? Before introduced the PHP directory read instance, we only traverse the directory (folder) function listSubDir based on ...

The .htaccess file allows us to modify some server settings for a particular directory and its subdirectories. Although this type of configuration is best handled in the section of the server's own configuration file, sometimes we do not have permission to access this configuration file at all, especially when We are on a shared hosting host, and most shared hosting providers only allow us to change server behavior in .htaccess. .htaccess file is a simple text file, note the "." before the file name is very important, we can use your favorite text editor ...

Intermediary transaction SEO diagnosis Taobao guest Cloud host technology Hall now, web links have become a search engine to determine the quality of the page one of the key technologies. By analyzing how pages are linked to each other, search engines can determine the theme of the page (if the keywords linked to the page are similar to the keywords in the original page) and whether the page is considered important. Based on the link analysis algorithm, search engines provide a way to measure the quality of Web pages. Therefore, the link optimization in the Search engine optimization technology has a pivotal position, the link optimization technology research has a big theory and now ...

How to install Nutch and Hadoop to search for Web pages and mailing lists, there seem to be few articles on how to install Nutch using Hadoop (formerly DNFs) Distributed File Systems (HDFS) and MapReduce. The purpose of this tutorial is to explain how to run Nutch on a multi-node Hadoop file system, including the ability to index (crawl) and search for multiple machines, step-by-step. This document does not involve Nutch or Hadoop architecture. It just tells how to get the system ...

/bin:bin is the abbreviation for binary (binary). This directory is a lineage of Unix system habits, with commands that users use most often. For example: Cp,ls,cat. Boot: Here are some of the core files used to start Linux. /dev:dev is an abbreviation for device (device). This directory is the external device for all Linux, with functions similar to the. SYS and WIN under DOS. Devices and files are accessed in Linux in the same way. For example:/de ...

Intermediary transaction SEO diagnosis Taobao guest Cloud host technology Hall The following is my previous written for China Cotton Trading network http://www.socotton.com and China's Rubber and Plastic exhibition Network http://www.99plas.com optimization plan, take out for your reference! I. Implementation programme 1. Technical aspects of the website tle and Meta tag title: 1, Title short refining, high generalization, contains ...

MapReduce: Simple data processing on large cluster

The intermediary transaction SEO diagnoses Taobao guest cloud host technology Hall "the SEO new person to the website on-line" regarding the space choice to write a little, therefore today's year bin detailed to speak the basic knowledge of the space. 　　SEO rookie in the selection of host space, the main view of the following aspects of the space package, in the contact host their own site type, picture class or text class, the user in the south or north, but also economic strength, choose the right virtual host space to build the station. Host space: Web space is what you buy ...

The hardware environment usually uses a blade server based on Intel or AMD CPUs to build a cluster system. To reduce costs, outdated hardware that has been discontinued is used. Node has local memory and hard disk, connected through high-speed switches (usually Gigabit switches), if the cluster nodes are many, you can also use the hierarchical exchange. The nodes in the cluster are peer-to-peer (all resources can be reduced to the same configuration), but this is not necessary. Operating system Linux or windows system configuration HPCC cluster with two configurations: ...

The intermediary transaction SEO diagnoses Taobao guest Cloud host Technology Hall website completes, the maintenance and the management becomes the work which needs to carry on continuously. 　　In this chapter, the site will be optimized for internal links, efficient maintenance, PR upgrade way to introduce. First, optimize the internal links of the site two, the site efficient maintenance of three common sense three, improve the site PageRank have a coup four, site exchange links to beware of counterfeit five, against the vulgar ban on the site's illegal content six, simple configuration let Web server impregnable ...