lpi meaning

Guide: "SEO more and more complex, 10 years ago, SEO from the page accumulation of keywords into the chain of construction, and now the SEO from the chain into brand, user experience, socialization. "The above quotes from Zac's insights into the new era of SEO. New media, mobile interconnection, it technology, digital technology, the latest development, leading the internet to carry out a new era. The major search engines for the benign development of the Internet, the search optimization requi

work content is quite messy, must understand constructs the station, must understand the soft article, must understand the server. However, SEO training has to have a focus, not generalities. The most important is based on the current SEO industry needs to train the required talent, outdated training content has little meaning. when will SEO training be able to restore its true meaning? We treat the atti

Often used when connecting db, just do not know what the meaning of the representative ... Often used when connecting db, just do not know what the meaning of the representative ... Rs. OPEN sql,conn,a,b A: adOpenForwardOnly (=0)Read-only and the current data record can only move Down adOpenKeyset (=1)Read-only, the current data record is free to move adOpenDynamic (=2)Can read and write, the current d

1, the meaning of the reference References 变量别名 exist, so in some cases you can substitute pointers for better readability and usability relative to pointers The implementation of the SWAP function is compared to void swap (int A, int b) { int t = A; A = b; b = t;} void Swap (int* A, int* b) { int t = *a; *a = *b; *b = t;} Note: The reference parameter in the function does not need to be initialized, and initialization is done

Article Source: Linux average load average meaningThe meaning of load averageThe average payload (load average) refers to the average utilization of the operating queue of the system, or it can be considered as the average of the operational processes .In the case of road conditions, single-core CPUs and single-lane situations are as follows: The numbers between the 0.00-1.00 indicate that the traffic is very good at this time, without conge

Tags: symbol GPO script conditional expression string meaning BSP nbsp DashFile expression-e filename true if filename exists-d filename If filename is a directory, true-F filename True if filename is a regular file-L filename True if filename is a symbolic link-r filename If filename is readable, true-W filename if filename is writable, true-x filename If filename is executable, true-S filename true if the length of the file is not 0-H filename True

Tags: file run BSP case background POS linux lis Linux The meaning of shell variable $#,[email protected],$0,$1,$2 in Linux is explained:Variable Description:$$The PID of the shell itself (ProcessID)$!PID of the Shell's last running background process$?End code of the last Run command (return value)$-Flag at a glance using the SET command$*All parameter lists. such as "$*" in the Case of "" ", in the form of" $ $ ... $n "output all par

The purpose of forced type conversion in C language, the basic format, the essential meaning of variables in C, and the essence of Variables C forced type conversion Reading directory: 1. Purpose and basic format of forced type conversion Ii. Essential Meaning of variables in C Iii. Forced type conversion of common variables Iv. pointer variable type conversion 1. Purpose and basic format of forced type c

Call and apply the approximate use of the same, a simple look at the following example:We can call () and apply () as a method of an object, calling the function indirectly in the form of a calling method.That is, the method is the original method, but the parameter is the parameter of the object contained in call.The first parameter of the call function and the Apply method is the object to pass to the current object, and this inside the function. The arguments that follow are all arguments pas

The meaning of the four matching characters % indicates zero or multiple arbitrary characters. It indicates any character in the specified range []. Any single character [^] is not in the specified range. the character string must be enclosed in quotation marks, for example, the following example: LIKEBR % returns any string starting with BR. LIKEBr % returns The meaning of the four matching characters % i

Meaning: the transaction must have a very clear start and end point. Each data operation statement in SQL Server, such as SELECT, INSERT, UPDATE, and DELETE, is part of an implicit transaction. Even if there is only one statement, the system regards this statement as a transaction, either to execute all statements or to execute nothing. After the transaction starts, the firm Meaning: A transaction must have

From:http://www.jb51.net/article/71532.htm In JavaScript, Void is an operator that specifies that an expression is evaluated but does not return a value. I'd like to use Ajax for all the usual code like this: The code is as follows: But what is the meaning of void (0) here? The void operator uses the following format: 1. javascript:void (expression) 2. Javascript:void expression Expression is a standard of Javascript to evaluate. Parentheses on the o

Description of the. classpath file in the Eclipse project:The following is the content of A. classpath file: Note:1. Meaning: Path of the source code of the project -- under the SRC file of the current project path2. Meaning: The External jar package to be applied in this project, the specific path is G:/java_ocr/Asprise-OCR-Java-Windows_XP_32bit-4.0/aspriseocr. Jar here the absolute path is usedNote: Do

head before he had time to dry his urine. Wei Zhen, a Chinese coowner of Guan Yun, finally lost in the hands of Lu Meng, an unknown minor. Liu Xuande, the hero of the world, has been planted in Lu Xun, a white-faced scholar. It is also mighty, and its death is also wrong. Ouyang Xiu's "Ling Guan Chuan preface" said: Therefore, Fang Qisheng is also a hero of the world, and cannot compete with it; and its decline is also, the death of dozens of moles, and the death of the country, smile for the w

To understand the backlog argument, we must realize, a given listening socket, the kernel maintains the queues:To understand the meaning of the backlog parameter, we must understand that for a listening socket,kernel maintainer two queues:1.An Incomplete connection queue, which contains an entry for each SYN that have arrived from a client for which the server Is awaiting completion of the TCP Three-way handshake. These sockets is in the SYN_RCVD stat

Summary: When we write a program, it is always unavoidable to make mistakes, no matter how cautious. These errors often confuse the PHP compiler. If developers are unable to understand the meaning of compiler error messages, they are not only useless, but often frustrating. When we write a program, it is always inevitable to err on the wrong way, no matter how cautious. These errors often confuse the PHP compiler. If developers are unable to understa

Most of the time, I think, what is the purpose of human life? For fame and fortune? For life? To pursue? For responsibility? Or is it just for simplicity? This problem may cause a lot of questions. You may have been living for more than 10 years, and even have been living for decades, but you do not know what your life is. Sometimes I think it is a good thing to read more books. Sometimes I think it may not be a bad thing to read less books. Many people have low knowledge and knowledge. They th

Good article not only to recommend, but also to favorites, the original from: http://www.cnblogs.com/CoreCaiNiao/archive/2011/06/19/2084651.html To tell the truth, the word "Div + CSS" does not know how many people are harmed. Maybe the author's intention is correct, but the followers have misinterpreted its meaning in terms of performance, the whole page should be a combination of Div + CSS files. In this way, there is no visual impact, because the

Profound analysis of void and void pointer meaning, void pointer ParsingRules for using the void Keyword:1. If the function does not return a value, the void type should be declared;2. If the function has no parameters, the void parameter should be declared;3. If the function parameter can be of any type pointer, the parameter should be declared as void *;4. void cannot represent a real variable;Void represents an abstraction. All the variables in the

I know from the two answers, from the actual meaning and linguistics point of view to tell you how to understand the PR, very concise, this understanding is very good, will solve the novice just see the word PR (pull request) confusion. Practical Significance:There is a warehouse, called Repo A. If you want to contribute to the code, first fork this repo, so in your GitHub account has a repo A2,. Then you work under this A2, Commit,push and so on. The