End Of File In Vi Editor

VI since its inception, after continuous innovation, now Yun version of VI has a very powerful function, so that users can more easily and conveniently use it. 8.8.1 vi operating mode command mode begins to enter VI in command mode, if already in insert mode or last line mode, press <ESC> key can return to command mode. In this mode, you can only use the key command, you cannot enter text. Insert mode insert mode is to insert text into the file you want to edit, and the insertion position varies according to the command you are using. From command mode ...

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 ...

Intermediary transaction http://www.aliyun.com/zixun/aggregation/6858.html ">seo diagnose Taobao guest cloud host technology Hall One, content 1, let the reader have reason to stay. Make the Web page interesting and fascinating. But the first thing is to make it useful. A very simple way to do this is to provide mutual participation--let the reader do something, such as sign up for regular newsletters, and repay their participation in some way, such as a weekly lottery ...

What are the commands that are frequently used in Redhat Linux? <1>ls: Column directory. Usage: ls or ls dirname, parameter:-a displays all files,----- <2>mkdir: Build a directory. Usage: mkdir dirname, Parameters:-P build multilevel directories, such as: mkdir a/b/c/d/e/f-P <3>find: Find files. Usage: Find INDIR-HTTP://WW ...

MySQL has become one of the most widely used databases in the current network, especially in Web applications, which occupy the absolute advantage of small and medium applications. It all stems from its compact, safe, efficient, open licensing and multi-platform, and, more important, the perfect combination of--php with one of the three web languages. Unfortunately, a default installation of MySQL, because the root password is empty and the program vulnerabilities caused by the overflow, so that the installation of MySQL server is a frequent target. What is more serious is that the database is often destroyed after the attack, causing disaster easily ...

The intermediary transaction SEO diagnoses Taobao guest Cloud host technology Hall when optimizes the website, 301 redirects is the stationmaster must an essential optimization, and 301 redirects mainly uses for moves the content from one position to another position. In fact, in understanding is also very simple, such as I have some content on the http://www.abc.com/a.html, and then I want to refactor the site, so I want to move the content on this page to http://www.abc.com/b.html. So, I can actually ...

As a designer, the most concern may be the layout is good or not, the picture is not beautiful, the visual hyun hyun, we try to do the most beautiful design draft, and then put a huge PSD file directly to the reconstruction , Everyone knows this time refactoring is hating you: I rub, such a big PSD, but also have wooden open! Originally opened a variety of browser editor god horse also open a large PSD file, the machine to card dead! ! ! Probably stuck card machine, open it, I go, hundreds of layers! Okay, hundreds of layers too, why I obviously drag the button, but all kinds of even a mess ...

Hive is the most widely used SQL on Hadoop tool, and recently many major data companies have introduced new SQL tools such as Impala,tez,spark, based on column or memory hot data, although many people have a view of hive, inefficient, slow query, and many bugs. But Hive is still the most widely used and ubiquitous SQL on Hadoop tool. Taobao survey analysis of the previous report, Taobao 90% of the business run in hive above. The ratio of the storm audio and video ...

The intermediary transaction SEO diagnoses Taobao guest Cloud host Technology Hall preface: In this era of Internet expressway, many offline advertising has shifted position development for online advertising, making the online advertising industry in the past 10 years by leaps and bounds to achieve a qualitative leap. An enterprise website to the development of online advertising, in addition to the funds to promote other methods is SEO, through the optimization of the site has a natural good rankings, to maximize the benefits. It is precisely because of these reasons, so in recent years a group of network optimization workers known as seoer ... ...

To complete this chapter, you can do the following: Check http://www.aliyun.com/zixun/aggregation/18415.html > Network connection errors using the following command: Lanscan lanadmin Linkloop arp ping netstat-i netstat-a netstat-r hostname nslookup 1. Network error-checking tool in Unix ...