ibb talk

Crawl strategy: Those pages are we need to download, those are no need to download, those pages are our priority to download, defined clearly, can save a lot of unnecessary crawling. Update policy: Monitor the list page to discover new pages, periodically check the page for expiration, and so on. Extract policy: How do we extract what we want from the Web page, not just the end of the target, but the next URL to crawl? Crawl frequency: We need to download a website reasonably, but not without lo

Promotion | website Promotion | webmaster Hello everyone, I am Hong Yue Source code Webmaster, perhaps a few have heard of me. hehe!Perhaps some friends to the website promotion has a more reasonable method, I shortcoming here!On the website to promote some of the site, I would like to talk about my personal promotion methods and practice theory, I believe that the website to promote friends have a little help! At present, we may flow from the search

Outside the chain is essential for every website. But do the chain and let people very sad. If you have a grumpy temper, you have to hit the computer's impulse. The outside chain divides into the forum, the platform, the blog. Especially the Forum and platform are the most. But now the forum for the outside chain is very strict restrictions. You have to send out a chain with that kind of restriction. Finally sent a chain, found that the time spent two or three hours of tinkering. Makes you very

Related readings: Talk about my understanding of JavaScript prototypes and closures (handy notes 8) I understand JavaScript prototypes and closures (handy notes 9) What is closure What's the closure? Closures are closure, which is a new feature that static languages do not have. But closures are not something that is too complex to be understood, in short, closures are: • Closures are a set of local variables for functions, except that these local

Also talk about BlackBerry network connection Precautions: 1. The WAP 2 Gateway of CT can only access the HTTP protocol, but the port can be arbitrary, such as access to Http://m.baidu.com, http://crj.fjgat.gov.cn:9080/ (Updated September 15, 2011) But not accessible://m.baidu.com:80;deviceside=true; CONNECTIONUID=WAP2, the error is as follows The telecommunication gateway complains as follows (you can get the text returned by the Telecommunication g

Let's talk about Python web development, and when it comes to web development, think about what makes Python the core language of more and more developers. Unlike PHP, it is not designed for the web, and there is no integrated core Web functionality in Python. So we have to use Web architecture to develop Web applications in Python. Web developers have now begun to use this structure since the prevalence of such a structure as Django has swelled. The

A comparison of the advantages of Apache and Nginx I've been told that Nginx is better than Apache, faster than Apache, and so on. Nginx is primarily used as a reverse proxy rather than a Web server. I translated a technical book on the reverse agent, at the same time proficient in the development of Apache API, Nginx and Apache working principles are a little understanding, rough talk about the views. Whether it's nginx or squid, the reverse proxy,

drawbacks, the biggest of which is the call to the Get_len function in the mix_cal function, which seems obvious here, but can we notice the problem when we write the program?For some of the unnecessary function calls we have to do is to extract them out, the use of temporary variables is a good way, because the compiler with the help of the temporary variable allows the full use of the CPU's registers. The reason is allowed, because the number of registers is not much, and the compiler in the

the difference is indeed not small. Below, I give the QQ millions on-line technology realization plan, and in order to expand, talk about the large-scale on-line system load balance mechanism design.QQ game from the login and game process, QQ game, also divided into at least three types of servers. They are:First layer: Login/account Server (login server), responsible for authenticating the user identity, to send the initial information to the client

. A series of statements and directives that operate for the intended purpose. In layman's terms, suppose you go to ATM to withdraw money, you must do so several steps: ① card. ② Enter the password. ③ enter how much money to take. ④ take the money. ⑤ back card. In these five steps, each step cannot be reversed. This is called the procedure. We often say that programming is the most important logical thinking ability, in fact, logical thinking is that you can do things according to the common sen

Not a few years of study, poor ability to express, grassroots do not blame the station 1 years to be K8 times, not jian a few money, the end of the brain, money, harm is also sad!!! Crap, let's talk straight into the conversation. First time, , do QQ station edvip.cn Do a half year IP has always been 1500-2000, an occasional key word (in Baidu more key word that copied to) let my IP soared so I wildly mining "Baidu more key word" one months later, the

We can often see a variety of robots in science fiction films with human beings in the same stage, and human freedom of communication, and even smarter than humans. People would like to know how such a man-made machine is done, can we really create such a robot now? Joking, I'm not going to be able to explain this right here, but from another point of view it's simple to communicate with the robot. This is through the voice to realize the interaction with the machine, interaction of an operatio

operation is to change the address of the F in the stack area to the FTN2 address, without any changes to the external ftn1 and FTN2. Remember: JavaScript both the variable copy and the function reference are the values that are being passed in the stack area . The value of the stack function in addition to the variable copy, it will also play a role in the IF statement, when the value of the stack area is undefined, null, "" (empty string), 0, False, if the condition of the judgment is false

The definition of SEO is nothing good to argue, that is, search Engine optimization, translated into search engine optimization. Most people will be directly understood as a keyword ranking for the site outside the station to optimize the various. It's all right, and there's no repetition here. In fact, about SEO, webmaster usually have their own attitude and understanding, I am no exception, especially engaged in SEO related work for some time later, more want to

say a few words, this year's popular trend is what the site, there are so many regardless of the mad general followed. As if they do not follow, are embarrassed to say that they are engaged in the site. Keep an ordinary and calm heart is very important, large companies, there are many sites are in advance awareness, in the fight economic strength, has seen a period of 51. COM interview, when the moderator asked 51 of the profit point where the time, old Pang's words are such: do such a site, th

With the Baidu search engine algorithm adjustment, especially the Green Luo algorithm on-line as well as the rejection outside the chain tool Bate official opening, the original more seoer began to question: The outside chain has died? Talk about the chain, and SEO-related personnel should be very familiar with, because the search engine ranking algorithm is the most important in the station optimization and station outside optimization, External chai

There are a lot of SEO novice seo understanding is to promote the ranking of the site, more one-sided also reflected in the thought that SEO is to do the home page ranking. In fact, this is a big misunderstanding, do SEO purpose is to enhance the weight of the entire site. Only enhance the weight of the entire site, in order to make the site home, section page and the ranking of the page better, so as to maximize the correlation flow. Therefore, the most important problem in SEO optimization is

station as long as the guarantee can download the good, and with the download software such as thunder, you can realize the function of downloading at the same time, a great program to reduce the pressure of the server, download speed even even if only 1 k/s are not related, but the video site is different, speed is the key to success, if not at least to ensure that 50k/s About the speed of words, then watch the video to the experience of the people feel very card. So how do we solve this probl

guided design now is related links, this is generated by keyword matching, but this and site search engine results are no different, and many times and text ads mixed together, it is easy to cause confusion, although can bring more PV, but this is far from enough. When a user browses a content, what other key points would he be interested in, what would be the desire to know more, what users were concerned about, and so on, if the elements of the content itself could be mined to form a depth of

Today, let's talk about a website about the user experience, there was a friend who worked in a moving company, and his job was to find a friend who had moved and found a market where he saw the power of the web, so he was ready to do a local Service site about the type of move, and here, He directly and I said that the site must be a good user experience Ah, you see moving this industry, itself is to serve the existence of, so, the site must do a goo